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1
Toohey, E. S., D. L. Hopkins, B. M. McLeod, and S. G. Nielsen. "Quantifying the rate of pH and temperature decline in lamb carcasses at three abattoirs in New South Wales." Australian Journal of Experimental Agriculture 46, no. 7 (2006): 875. http://dx.doi.org/10.1071/ea05324.
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The aim of this work was to benchmark the rate of pH and temperature decline in lamb carcasses (particularly the temperature at pH 6.0) at 3 commercial abattoirs across New South Wales. In total, 1197 carcasses were monitored over 13 months for pH and temperature decline. The lambs were sourced from a variety of regions, either direct from the paddock or from sale yards. Carcass weight was not significantly (P>0.05) different between abattoirs or seasons. There was a significant (P<0.05) interaction between abattoir and season for carcass fat depth at the 12th rib (GR) when adjusted to the same hot carcass weight, such that as carcass weight increased so did GR with changes in the relationship between seasons and abattoirs. The predicted pH at 3 h was significantly different between abattoirs, with abattoirs A and B having a significantly (P<0.05) higher pH than abattoir C. All abattoirs were different (P<0.05) for predicted temperature at 3 h, with abattoir A having the lowest and C having the highest temperature. Predicted pH at both 25 and 18°C were significantly different (P<0.05) between abattoirs, with abattoir C having the lowest and abattoir A having the highest pH at both temperatures. Abattoir A and B were not different for predicted temperature at pH 6.0, but abattoir C had a significantly higher temperature (P<0.05). Over all abattoirs only 18.8% of sampled carcasses complied with the recommended pH–temperature window of 18–25°C at pH 6.0. Of the carcasses sampled, 79.4% had a slow rate of pH decline and did not reach the onset of rigor (pH 6.0) by 18°C.
2
EKHAISE, F. O., and O. OSARENOTOR. "BACTERIOLOGICAL QUALITY OF INDOOR AIR ENVIRONMENT IN PRIVATE AND GOVERNMENT OWNED ABATTOIRS IN BENIN CITY, NIGERIA." Nigerian Journal of Life Sciences (ISSN: 2276-7029) 4, no. 2 (March 25, 2022): 48–58. http://dx.doi.org/10.52417/njls.v4i2.183.
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The airborne bacterial load of two abattoirs, private and government abattoirs in Benin City was studied using the settled plate methods. The air samples were collected during and after slaughtering operations in the two abattoirs monthly for a period of six months, between October, 2011 and March, 2012. The temperature and relative humidity of the two abattoirs were determined during each sampling time. The plasmid DNA profile of the isolated airborne bacterial was determined using the alkaline lysis method. The temperature reading ranged between 25 0C and 34 0C in the private abattoir and between 26 0C and 35 0C in the government abattoir. The relative humidity reading ranged between 46 % and 67 % in the private abattoir and between 34 % and 65 % in the government abattoir. The mean airborne bacterial counts on nutrient agar and blood agar in the private abattoir ranged from 17.55 x 102 ± 3.77cfu/m3 to 108.0 x 102 ± 10.35cfu/m3 during slaughtering and 12.84 x 102 ± 1.51 cfu/m3 to 49.71 x 102 ± 3.61 cfu/m3 after slaughtering. The mean airborne bacterial counts on nutrient agar and blood agar in the government abattoir ranged from 24.63 x 102 ± 3.75cfu/m3 to 58.30 x 102 ± 6.49 cfu/m3 during slaughtering and 15.62 x 102 ± 2.97 cfu/m3 to 114.13 x 102 ± 19.75 cfu/m3 after slaughtering. The mean airborne bacterial counts grown on eosine methylene blue agar in the private abattoir ranged from 1.057 x 102 ± 2.58 cfu/m3 to 22.54 x 102 ± 5.70 cfu/m3 during slaughtering and 2.44 x 102 ± 1.41 cfu/m3 to 9.87 x 102 ± 1.41 cfu/m3 after slaughtering. The mean airborne bacterial counts grown on eosine methylene blue agar in the government abattoir ranged from 1.05 x 102 ± 5.62 cfu/m3 to 24.40 x 102 ± 4.66 cfu/m3 during slaughtering and 1.06 x 102 ± 4.24 cfu/m3 to 21.08 x 102 ± 3.94 cfu/m3 after slaughtering. The result revealed the isolation of seven airborne bacterial isolates which include Staphylococcus aureus, Staphylococcus epidermidis, Streptococcus sp., Bacillus sp., Pseudomonas sp., Klebsiella sp., and Escherichia coli. The frequency of occurrence and distribution of the airborne bacterial isolates revealed Staphylococcus. aureus (48.75%) and Bacillus sp. (28.68%) as the most frequently isolated airborne bacterial isolates in the private abattoir, while S. aureus (31.95%) and Bacillus sp. (41.93%) were also recorded as the most frequently isolated airborne bacterial isolates in the government abattoir. The statistical analysis showed no significant difference between the airborne bacterial counts recorded during and after slaughtering in the two abattoirs. The result of the plasmid determination revealed that the airborne bacterial isolates harboured plasmid sizes which ranged between 1.5 kbs to 25.2 kbs. The result revealed that, the quality of air in the abattoirs was greatly influenced by the population and type of airborne bacterial isolates, which play significant role in the level of hygiene in meat processing plants. The type and population of airborne bacterial isolates in the indoor air of the two abattoirs are of great concern, which serves as index of quality of air in the environment. Hence, great measures are taken to checkmate this menace caused by the poor hygienic systems in the abattoirs
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MOTSOELA, CYNTHIA, ERNEST K. COLLISON, and BERHANU A. GASHE. "Prevalence of Salmonella in Two Botswana Abattoir Environments." Journal of Food Protection 65, no. 12 (December 1, 2002): 1869–72. http://dx.doi.org/10.4315/0362-028x-65.12.1869.
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A 1-year study was carried out to investigate the prevalence of Salmonella in two abattoir environments coded “A” and “B” in Gaborone, Botswana. The total number of environmental samples collected from abattoirs A and B was 250 and 300, respectively. The samples were taken from soils in the corrals, knife blades, saw blades, cattle-drinking water, cattle feces, and feed. Preenrichment, enrichment, and selective/differential media, which enabled the favorable growth of Salmonella, were used in the study. Salmonellae were present in all sampled environments. The most common serotypes found in the environment at abattoir A were E1, C1, C2, and B. Serotypes B, C1, C2, C3, and E1 were common in abattoir B. Antigenic characterization of the salmonellae isolates showed that Salmonella Anatum, Salmonella Azteca, Salmonella Saintpaul, Salmonella Cerro, and Salmonella Westhampton were predominant in abattoir A, whereas Salmonella Anatum, Salmonella Mbandaka, Salmonella Molade, Salmonella Reading, and Salmonella Oranienburg were dominant in abattoir B. Implementing hazard analysis critical control point principles in work procedures would definitely reduce the gross contamination taking place in abattoirs.
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Mwesigwa, R., PK Migwi, AM King’ori, and PA Onjoro. "Abattoir waste use in livestock diets: Uganda’s current situation." International Journal of Agricultural Research, Innovation and Technology 10, no. 1 (July 7, 2020): 129–34. http://dx.doi.org/10.3329/ijarit.v10i1.48105.
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In this study, we investigated the various ways slaughter wastes are utilized, problems encountered in order to give insights in future prospects of abattoir wastes as livestock feeds. A total of 100 abattoir workers were interviewed through semi-structured questionnaires covering Kampala, Wakiso and Mukono districts in Uganda. Results revealed that majority of abattoir work force were middle-aged adults between 30-45 years contributing 37% of total workers. There was a significant association between abattoir workers responses in relation to the proportion of livestock slaughtered (Chi square 147.55; df =2; p<0.0001) in the abattoirs. With reference to cattle, 1.06 and 1.01 more sheep and goats were slaughtered respectively in the dry season in comparison to the wet season. Blood was mostly disposed as animal feed ingredient (blood meal) by 40% of the respondents while rumen contents were mostly sold as manure by 59% of the respondents. Only 16% of the respondents processed rumen contents for livestock feeding. 92.3% of bones were sold for dog feeding while 7.7% of bones were processed for livestock feed ingredients. Polythene bags were reported the biggest contaminants found in slaughter wastes. Stench from slaughter wastes contents was the biggest problem encountered with handling of waste products by (62%) of the respondents. The handling of abattoir wastes was still rudimental at most abattoirs as envisaged by lack of proper handling facilities at the abattoirs. There is need for regular enforcements to ensure proper abattoir waste disposal mechanisms for enhanced livestock use.
Int. J. Agril. Res. Innov. Tech. 10(1): 129-134, June 2020
5
Nafarnda, W. D., I. E. Ajayi, J. C. Shawulu, M. S. Kawe, G. K. Omeiza, N. A. Sani, O. Z. Tenuche, D. D. Dantong, and S. Z. Tags. "Bacteriological Quality of Abattoir Effluents Discharged into Water Bodies in Abuja, Nigeria." ISRN Veterinary Science 2012 (July 19, 2012): 1–5. http://dx.doi.org/10.5402/2012/515689.
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Bacteriological characteristics of abattoir effluents (wastewater), abattoir water source, and water bodies receiving abattoir wastewater were investigated in Abuja, Nigeria using the multiple-tube fermentation technique. Source of water to the abattoirs and the usage of water bodies receiving abattoir effluents were determined using questionnaires. Bacterial counts ranged from 4.8 × 106 to 5.8 × 105 /100 mL of total coliform (TC), 8.2 × 104 to 3.2 × 104/100 mL of Fecal coliform (FC), 5.2 × 104 to 2.0 × 104/100 mL of Fecal streptococcus and 1.2 × 104 to 2.0 × 103/100 mL of Escherichia coli for abattoir effluents 6.6 × 105 to 6.0 × 105/100 mL of TC, 6.2 × 104 to 1.8 × 104/100 mL of FC, 1.8 × 104 to 6.0 × 103/100 mL of F. streptococcus, and 4.8 × 103 to 6.6 × 102/100 mL of E. coli for water bodies receiving abattoir effluents 100 m downstream. TC bacteria counts for abattoir effluents exceeded recommended limit for discharge into surface water in Nigeria. No significant difference (P<0.05) was observed between bacterial counts of abattoir effluents and receiving water bodies 100 m downstream: an indication of contamination of receiving water bodies by abattoir effluents and possible public and environmental health hazards.
6
Owagboriaye, Folarin Ojo, Gabriel Adewunmi Dedeke, and Kehinde Olutoyin Ademolu. "Glutathione-S-Transferase Production in Earthworm as Tool for Assessment of Heavy Metal Pollution in Abattoir Soil." Revista de Biología Tropical 64, no. 2 (May 13, 2016): 779. http://dx.doi.org/10.15517/rbt.v64i2.18484.
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<p>The use of Glutathione-S-transferase (GST) activities in earthworm tissue as tool for assessment of heavy metal pollution in abattoir soils was evaluated in this study. Five (5) replicates each of earthworm species (<em>Libyodrilus violaceous</em>, <em>Eudrilus eugeniae</em> and <em>Alma millsoni</em>), soil and rumen waste samples were collected from three (3) abattoir sites (Lafenwa, Gbonogun and Madojutimi abattoirs) and a control site located within Federal University of Agriculture Abeokuta, beside an undisturbed stream with no rumen waste. Heavy metal (Cu, Zn, Pb, Cd, Co, Cr, Ni and Mn) concentrations in rumen waste, abattoir soils and earthworm tissues were determined using Atomic Absorption Spectrophotometer. The pH and organic matter (OM) concentrations of the rumen waste and abattoir soils were determined by standard methods. GST activities in the earthworm tissues were determined through the conjugation of 1mM reduced glutathione (GSH) with 1mM 1-chloro-2,4-dinitrobenzene (CDNB). The rumen waste recorded significantly higher (p ≤ 0.05) % OM, heavy metal concentrations and pH level than in their respective abattoir soils. The mean heavy metal concentrations of Cu, Zn, Pb, Cd and Mn were highest in the tissue of earthworm species obtained from Lafenwa abattoir. A significantly (p ≤ 0.05) higher GST activities were recorded in the tissue of earthworm species obtained from Lafenwa and Gbonogun abattoirs. <em>Libyodrilous violaceus </em>obtained from Lafenwa abattoir recorded the highest GST activity (8.47±1.39) in their tissue followed by the ones from Gbonogun abattoir (8.21±0.85). A significant (p ≤ 0.05) positive correlations was observed between GST activities in earthworm tissues and heavy metal concentrations. GST activities can therefore be used to assess the level of heavy metal pollution in abattoir soils.</p><p><em>Keywords</em>: Glutathione-S-transferase, Biomarker, Earthworms, Heavy metals, Abattoir</p>
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Tolera, Sina Temsgen, and Fekade Ketema Alemu. "Potential of Abattoir Waste for Bioenergy as Sustainable Management, Eastern Ethiopia, 2019." Journal of Energy 2020 (February 1, 2020): 1–9. http://dx.doi.org/10.1155/2020/6761328.
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Our environment is facing serious problems of high volumes of waste generation and inadequate disposal system in worldwide particularly in developing countries. There is also lack of studies on quantification of abattoir waste and lack of workers awareness towards abattoir waste. Therefore, the purpose of the study was to estimate abattoir waste for bioenergy potential as sustainable management. A cross-sectional study was conducted in four selected abattoirs of Eastern Ethiopia from January 1st, 2018 to December 30th, 2018. The magnitude of abattoir waste composition was computed based on Aniebo mathematical computational from the actual number of slaughtered livestock. The study demonstrated that four selected abattoirs generate 1,606.403 ton of abattoir waste per year and using anaerobic digestion of about 85,139 m3/year of biogas and 111.25 ton/year of biofertilizer can be produced. The biogas or energy from the waste can replace firewood and charcoal and the expensive fossil fuels. Using Banks mathematical computation about 20,054.12 m3/year production of biogas could replace 20.56 ton/year of energy consumed by liquefied petroleum gas, kerosene, charcoal, furnace oil, petrol, and diesel in average. The current estimated biofertilizer (111.25 ton/year) from four abattoir sites can cover about 2,225 hectares/year with its advantage and efficiency of soil. When turned into cost, about $55,645 per year of price could estimate from biogas and biofertilizer. The study concluded that huge amount of biogas and dry biofertilizer yields could produce from abattoir waste through anaerobic digestion. Therefore, installing anaerobic digestion plant is recommended to ensure environmental safety and public health.
8
MCNAB, W. BRUCE, SHANE A. RENWICK, H. RUFFNER LOWMAN, and ROBERT C. CLARKE. "Variability in Broiler Carcass Bacterial Load at Three Abattoirs, as Measured by a Hydrophobic Grid Membrane Filter Interpreter." Journal of Food Protection 56, no. 8 (August 1, 1993): 700–705. http://dx.doi.org/10.4315/0362-028x-56.8.700.
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In this observational study, the variability of broiler carcass bacterial load was investigated at three federally inspected abattoirs, using an automated hydrophobic grid membrane filter interpreter system. The measurement protocol involved: whole carcass rinses aided by a mechanical carcass shaker; filtration of rinse solutions through hydrophobic grid membrane filters (HGMF) (ISO-GRID®, QA Laboratories, Ltd., Toronto, Ont.); and use of an automated HGMF interpreter (MI-100 HGMF Interpreter System, Richard Brancker Research, Ltd., Ottawa, Ont.). Carcass and lot mean bacterial loads were measured, respectively, in units of log10 most probable number (MPN) of mesophylic aerobic colony forming units per gram of carcass (LgMPN/g), and slaughter lot mean LgMPN/g (LMLgMPN/g). Whole carcass rinses were conducted on a total of 1,917 carcasses, among 96 slaughter lots from three abattoirs. Overall, the LgMPN/g ranged from 1.054 to 4.180 with a mean of 2.585 and a variance of 0.263. These corresponded to MPN/g counts from 11 to 15,135 and a geometric mean of 385 MPN/g. Statistically significant differences were observed between abattoirs and between lots within abattoirs. The intra-abattoir correlation coefficient of LgMPN/g was r = 0.180 (p < 0.001). The within abattoir intralot correlation coefficient was r = 0.259 (p < 0.001). In this data set, approximately 56, 26, and 18% of the variability in LgMPN/g were attributed to factors operating at the individual bird, lot, and abattoir levels of organization, respectively. Factors significantly associated with LMLgMPN/g included: abattoir (p < 0.001), transportation time from farm to abattoir (p < 0.001), and waiting time from arrival at the abattoir yard to actual slaughter (p = 0.002). Analysis of a series of five repeat rinses, conducted on one bird from each of the 96 study lots, demonstrated that bacterial counts in the second to fifth sequential rinses were positively associated with the bacterial count of the first rinse. Also, after adjusting for the initial count, a pattern of decreasing counts was observed in subsequent rinses.
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Esemu, Seraphine Nkie, Tendongmo Kinsley Aka, Achah Jerome Kfusi, Roland Ndip Ndip, and Lucy Mande Ndip. "Multidrug-Resistant Bacteria and Enterobacteriaceae Count in Abattoir Wastes and Its Receiving Waters in Limbe Municipality, Cameroon: Public Health Implications." BioMed Research International 2022 (March 31, 2022): 1–11. http://dx.doi.org/10.1155/2022/9977371.
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The release of untreated wastes from abattoirs into the environment and nearby water bodies poses a significant threat to public health. Such litters may contain pathogens, including antibiotic-resistant bacteria. This study investigated 80 samples collected from butchering tables, slaughter slabs, meat rinsing points, and abattoir wastes receiving water from two abattoirs (A and B). Total Enterobacteriaceae count (TEC) for each sample was determined, and Escherichia coli (E. coli), Salmonella spp., Shigella spp., and Staphylococcus aureus (S. aureus) were isolated and identified. Antimicrobial susceptibility testing was done on all bacterial isolates against nine locally used antibiotics. Overall, 118 bacterial isolates, comprising E. coli (42.5%), Salmonella spp. (27.5%), Shigella spp. (37.5%), and S. aureus (40.0%), were recovered. Of the 118 bacterial isolates, 104 (88.1%) were multidrug-resistant, including 58 (55.8%) from abattoir A and 46 (44.2%) from abattoir B; however, this difference was not statistically significant ( p = 0.6837 ). Of the 32 S. aureus isolates, 29 (90.6%) were multidrug-resistant. All S. aureus were 100% sensitive to vancomycin, kanamycin, and amikacin. Similarly, 31 (91.2%) of the 34 E. coli isolates recovered in this study were multidrug-resistant. Salmonella spp. and Shigella spp. also showed high levels of multidrug resistance corresponding to 81.8% and 86.7%, respectively. All isolates of E. coli, Salmonella, and Shigella were 100% resistant to ampicillin and 100% sensitive to ciprofloxacin. Minimum and maximum mean values for TEC were 3.62-5.83 log CFU/mL for abattoir A and 4.08–5.56 log CFU/mL for abattoir B. The highest and lowest TEC counts were from slaughter slab and upstream water, respectively, in each abattoir. Our results indicate a predominance of multidrug-resistant bacteria in abattoir wastes and their receiving waters in the study sites. Hence, we recommend the treatment of abattoir wastes before disposal and improved hygiene and sanitation practices to enhance public health.
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Garba, B., M. D. Salihu, B. Saidu, and U. G. Rambo. "Health hazards of abattoir effluents discharged from the Sokoto central abattoir, Nigeria." Sokoto Journal of Veterinary Sciences 18, no. 1 (July 21, 2020): 47–52. http://dx.doi.org/10.4314/sokjvs.v18i1.7.
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This study was undertaken to determine the level of water pollution that can be attributed to effluents discharged from the Sokoto Central abattoir. Both surface and well water samples from the abattoir and adjacent wells were investigated to determine their microbial and physicochemical properties. Samples were collected from five different spots that include; effluents from the abattoir where visceral organs are washed (sample point A), two wells located in the adjacent livestock market (sample point B and C), drainage outside the abattoir (sample point D) and another well downstream the abattoir used for irrigation farming (sample point E). The values for pH, were 7.2, 8.0, 7.5 and 6.8 for all the sampling sites respectively. Similarly, the values of nitrate and BOD recorded were all within the acceptable limit except for point A which had nitrate (60.0 mgl-1) and BOD (26.8 mgl-1) above the acceptable limit. While the total coliforms, for sampling point A and D were found to be very high. There was a significant difference in the quality of water from the studied samples in comparison with the acceptable standard especially with respect to total coliform, BOD, COD, and nitrates. The findings from this study indicate that abattoirs have the potential to contaminate and pollute water sources which may produce a detrimental effect on the quality of groundwater despite the sieving process. Hence, measures should be taken to prevent locating abattoirs in close proximity to human dwellings. Similarly, for the existing ones encroached by human habitation, effective pollution control measures such as treatment of hazardous waste and minimizing the use of chemicals for industrial and agricultural purposes should be taken in order to preserve the quality of groundwater and minimize the potential resultant health effect caused by such contaminants.
Keywords: Abattoir effluents, Health hazards, Sokoto State, Water quality, Waste water
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RUBY, JOHN R., JUN ZHU, and STEVEN C. INGHAM. "Using Indicator Bacteria and Salmonella Test Results from Three Large-Scale Beef Abattoirs over an 18-Month Period To Evaluate Intervention System Efficacy and Plan Carcass Testing for Salmonella." Journal of Food Protection 70, no. 12 (December 1, 2007): 2732–40. http://dx.doi.org/10.4315/0362-028x-70.12.2732.
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To develop a process for predicting the likelihood of Salmonella contamination on beef carcasses, we evaluated the influence of several possible causative factors (i.e., year, abattoir, day of week, month, and intervention system components) on the risk of Salmonella and indicator organism contamination. Hide and carcass sponge samples were collected in 2005 to 2006 in six steps at three abattoirs in the East (A), Midwest (B), and Southwest (C) United States. Each abattoir used the same intervention system. Samples were analyzed for aerobic plate counts (APCs; n = 18,990) and Enterobacteriaceae counts (EBCs; n = 18,989) and the presence or absence of Salmonella (n = 5,355). Our results demonstrated that many factors play a significant role in the level of microbial contamination of beef carcasses. Overall, Salmonella prevalence and EBC levels were significantly higher in 2006 than in 2005. APCs and EBCs were highest in abattoirs A (3.57 log CFU/100 cm2) and B (1.31 log CFU/100 cm2). The odds of detecting a positive Salmonella isolate were greatest in abattoir C and lowest in abattoir A. Across the three abattoirs, the overall intervention process effectively reduced microbiological contamination. Salmonella prevalence fell from 45% (preevisceration) to 0.47% (postchilled–lactic acid), and there were APC and EBC reductions of 5.43 and 5.28 log CFU/100 cm2, respectively, from hide-on to postchilled–lactic acid samples. At each abattoir, composites of three individual EBC-negative carcass samples yielded Salmonella-negative results 97 to 99% of the time. These results suggest the possibility of using indicator test results to accurately predict the absence of Salmonella in a beef carcass sample.
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Večerek, Vladimír, Eva Voslářová, Josef Kameník, Zuzana Machovcová, Lenka Válková, Martina Volfová, and Jarmila Konvalinová. "The effect of slaughtering skills on the welfare of cattle during stunning with a captive bolt." Acta Veterinaria Brno 90, no. 1 (2021): 109–16. http://dx.doi.org/10.2754/avb202190010109.
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The performance of stunning in various abattoirs can differ. The aim of the study was to compare the stunning of cattle with a captive bolt in two abattoirs. We monitored the slaughtering skills by measuring the deviation of the location of the stunning shot hole on the skull from the ideal point and further by measuring the angle of inclination of the stunning shot on the skull from the ideal perpendicular angle. We observed the impact of different slaughter skills on the quality of stunning of animals based on the occurrence of failure to achieve motor paralysis after a stun shot. The failure to collapse occurred significantly more frequently (P < 0.05) in abattoir A than in abattoir B. In both abattoirs there was a higher (P < 0.05) number of bulls failing to collapse than in females (cows and heifers). However, the effect of slaughter skills on the occurrence of signs associated with insufficient stunning was not found. The signs occurred in abattoir A and abattoir B to the same extent. In bulls, the number of animals with signs was higher (P < 0.05) than in females in both abattoirs. The results show that insufficient proficiency of skills in stunning cattle with a captive bolt leads to a higher number of animals failing to collapse after a stun shot. The effect of slaughter skills on the occurrence of signs in bulls and females was not proven; however, in bulls a higher incidence of signs was demonstrated than in females.
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Abdullahi, Auwalu, Norizhar Kadarman, Azmi Hassan, and Ibrahim Sulaiman Madobi. "Negative Impact of Abattoir Activities and Management in Residential Neighbourhoods in Kuala Terengganu, Malaysia." International Journal of Public Health Science (IJPHS) 4, no. 2 (June 1, 2015): 124. http://dx.doi.org/10.11591/ijphs.v4i2.4722.
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Poor management of abattoirs results in air and water pollution especially resident’s in their close proximity. The objevtive of the study was to investigate the effect of poor management of abattoirs on the quality of life and health of residents in their vicinity. A cross sectional survey was conducted within two month period. Fifty six residents of buildings located approximately five kilometers radius to the abattoir were randomly selected for interview using questionnaire. Among the 56 residents interviewed, 20 (35.7%) were sicked. Almost half (33.9%) of the residents suspected the sickness to be related to abattoir hazards. The prevalence of diseases and symptoms experianced by the residents were typhoid fever (14.4%), Diarhoea (12.5%), Coughing (10.7%), Asthma (8.9%), Foot and Mouth Disease (7.1%) and Dengue (3.6%). The main associated factors of abattoir activities on residents ‘s health were contamination of air with pollutants (odds ratio,15.52; 95% confidence interval, 3.62-10.52), water contamination (11.44; 3.17, 12.28), gutters and drainages blockage (6.35; 1.26, 9.99) and prevention of children from outdoor activities (4.65; 1.33, 16.31). There was also reported case of food poisoning among the residents. Abattoir activities has direct and indirect negative effect on residents health who are in close proximity.
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Abdullahi, Auwalu, Norizhar Kadarman, Azmi Hassan, and Ibrahim Sulaiman Madobi. "Negative Impact of Abattoir Activities and Management in Residential Neighbourhoods in Kuala Terengganu, Malaysia." International Journal of Public Health Science (IJPHS) 4, no. 2 (June 1, 2015): 124. http://dx.doi.org/10.11591/.v4i2.4722.
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Poor management of abattoirs results in air and water pollution especially resident’s in their close proximity. The objevtive of the study was to investigate the effect of poor management of abattoirs on the quality of life and health of residents in their vicinity. A cross sectional survey was conducted within two month period. Fifty six residents of buildings located approximately five kilometers radius to the abattoir were randomly selected for interview using questionnaire. Among the 56 residents interviewed, 20 (35.7%) were sicked. Almost half (33.9%) of the residents suspected the sickness to be related to abattoir hazards. The prevalence of diseases and symptoms experianced by the residents were typhoid fever (14.4%), Diarhoea (12.5%), Coughing (10.7%), Asthma (8.9%), Foot and Mouth Disease (7.1%) and Dengue (3.6%). The main associated factors of abattoir activities on residents ‘s health were contamination of air with pollutants (odds ratio,15.52; 95% confidence interval, 3.62-10.52), water contamination (11.44; 3.17, 12.28), gutters and drainages blockage (6.35; 1.26, 9.99) and prevention of children from outdoor activities (4.65; 1.33, 16.31). There was also reported case of food poisoning among the residents. Abattoir activities has direct and indirect negative effect on residents health who are in close proximity.
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SHEGUN, Victor, Oluwatuyi ., Adeola Anthony DADA, Saheed Adesola OGUNTADE, John Tolulope SALAMI, Lateefat Olajumake AYINLA, Mojisola BELLO, and Oluwakemi Ifedayo Sam-Ijadele. "Integrated Assessment of the Air Quality around the Environs of Dr. Abubakar Sola Saraki Memorial Abattoir, Ilorin, Kwara State, Nigeria." International Journal of Innovative Science and Research Technology 5, no. 6 (June 25, 2020): 241–46. http://dx.doi.org/10.38124/ijisrt20jun270.
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Environmental media of Dr. Abubakar Sola Saraki memorial abattoir, Akerebiata, Ilorin.The quality of air around the abattoir was assessed for PM2.5, PM10, HCHO and Volatile Organic Compounds. Result revealed that analyzed data were above WHO standards, the increase in the values could be due to burning of animal and pollution from animal waste which has deleterious effect of living organisms and system. It was revealed some these pollutants has relative high and low readings in the day and at dawn respectively which is also applicable to the temperature readings. High temperature is favorable to thermophiles biological activities eveidently shown by the outpour of gases. There could be consideration towards re-siting of the abattoir to a different location. Recommendations were proffered which includes: Reduction of pollutants emitted from the abattoir through sensitization of butchers and meat sellers in the abattoir, Government agencies should swing into action to regulate the level of pollutants released into the environment on routine basis while also empower the EHOs to step up routine inspection of Abattoirs to eliminate foreseeable threats to public health.
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Tolera, Sina Temesgen, Fekade Ketema Alemu, and Dechasa Adare Mengistu. "Knowledge, Attitude, and Practice of Abattoir Workers Toward Abattoirs Waste Management in Eastern Ethiopia." Environmental Health Insights 16 (January 2022): 117863022210754. http://dx.doi.org/10.1177/11786302221075450.
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Background: During meat production, a large amount of wastes are generated that consist of feces, tissue waste, blood, fat, bone, animal trimmings, intestinal content, and urine that can be a potential risk to humans and the environment. Low knowledge, negative attitude, and poor practice can lead to poor waste management, which is more severe in developing countries like Ethiopia. Thus, the current study aimed to assess the knowledge, attitudes, and practices of abattoir workers toward abattoir waste management in Eastern Ethiopia. Methods: A cross-sectional study was conducted in Eastern Ethiopia’ abattoirs from 1st to 30th of January, 2020. Two hundred and sixty-seven (n = 267) abattoir workers in 4 selected abattoirs (Haramaya University, Haramaya town, Harar town and Dire Dawa City administration) were interviewed using a pretested structured questionnaire. The data were analyzed using SPSS version 20 statistical package. Pearson’s correlation was used to determine the strength between knowledge and attitude, knowledge and practice, and attitude and practice. A P-value of .05 was considered as a cut-off point for statistical significance. Results: This study revealed that 203 (76%) of the respondents had less knowledge, 69 (26%) had a positive attitude and 43 (16%) of them had a good practice toward abattoir waste management. There was a statistically significant difference between socio-demographic characteristics (education, work experience, and salary) and knowledge, attitudes and practices of the study participants. This study found moderate positive correlations between knowledge and attitude [ r = .404, P = .013], weak positive correlations between knowledge and practice [ r = .229, P = .009], and strong positive correlations between attitude and practice [ r = .717, P = .023] of the abattoir workers toward waste management. Conclusion: This study concluded that more than one-quarter, less than one-quarter, and about 3-quarter of the participants had less knowledge, negative attitude, and poor practice, respectively toward abattoir waste management. Therefore, regulatory bodies and other relevant industries must implement effective control measures that can be important to increase the knowledge, attitude, and practices of abattoir workers toward waste management.
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Meerkhan, Azad A., and Wijdan M. S. Mero. "Prevalence of Echinococcus Granulosus in Different Intermediate Hosts in Duhok Province, Kurdistan Region, Iraq." Science Journal of University of Zakho 6, no. 1 (March 30, 2018): 8. http://dx.doi.org/10.25271/2018.6.1.379.
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This study was carried out in Duhok provinces, Kurdistan Region/ Iraq from August; 2014 to December 2015.The study focused on the prevalence of CE in slaughtered animals. The total prevalence was 5.25% (11753/223436), with a high rate in sheep (4.25%), and low rates in goats and cattle (0.64% and 0.37%, respectively). With respect to abattoirs involved in the study, the highest prevalence was detected in Akre abattoir (8.21%) and the lowest in Amedy abattoir (4.09%). Among the infected animals, sheep in Akre abattoir recorded the highest prevalence, while cattle in Duhok abattoir recorded the lowest prevalence (7.57 and 0.1%, respectively). Males of sheep, goats and cattle showed higher prevalence (70.51, 63.62, and 92.06%, respectively). Regarding organ involvements, malesand females of cattle showed high liver involvement (63.13 and 84.62%, respectively), while males and females of sheep (62.21 and 60.31%, respectively) and goats (60.59 and 54.51%, respectively) showed high lungs involvements.
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Meerkhan, Azad A., and Wijdan M. S. Mero. "Prevalence of Echinococcus Granulosus in Different Intermediate Hosts in Duhok Province, Kurdistan Region, Iraq." Science Journal of University of Zakho 6, no. 1 (March 30, 2018): 8. http://dx.doi.org/10.25271/2018.6.1.438.
Full textAbstract:
This study was carried out in Duhok provinces, Kurdistan Region/ Iraq from August; 2014 to December 2015.The study focused on the prevalence of CE in slaughtered animals. The total prevalence was 5.25% (11753/223436), with a high rate in sheep (4.25%), and low rates in goats and cattle (0.64% and 0.37%, respectively). With respect to abattoirs involved in the study, the highest prevalence was detected in Akre abattoir (8.21%) and the lowest in Amedy abattoir (4.09%). Among the infected animals, sheep in Akre abattoir recorded the highest prevalence, while cattle in Duhok abattoir recorded the lowest prevalence (7.57 and 0.1%, respectively). Males of sheep, goats and cattle showed higher prevalence (70.51, 63.62, and 92.06%, respectively). Regarding organ involvements, malesand females of cattle showed high liver involvement (63.13 and 84.62%, respectively), while males and females of sheep (62.21 and 60.31%, respectively) and goats (60.59 and 54.51%, respectively) showed high lungs involvements.
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Casas, Diego, Alexandra Calle, Mariely Bueso, Nelson Huerta-Leidenz, Markus F. Miller, and Mindy M. Brashears. "Multiple Interventions for Improving Food Safety Practices in 2 Small Beef Abattoirs of Honduras and Associated Impacts on Risk-Mitigation Management." Environmental Health Insights 14 (January 2020): 117863022091459. http://dx.doi.org/10.1177/1178630220914596.
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Mitigation of risk for Shiga toxin-producing Escherichia coli (STEC) and Salmonella contamination was evaluated after a multiple-intervention approach (comprising food safety education and training, implementation of customized food safety practices and programs, and environmental monitoring programs with audits and corrective actions) in 2 small Honduran beef abattoirs. Previously, neither abattoir had food safety programs in place nor were they subjected to strict food safety regulatory surveillance. Abattoirs A and B were sampled on 4 nonconsecutive months each. Swab samples of abattoir A (n = 160, 40 samples per sampling date) and abattoir B (n = 78, 16-22 samples per sampling date) were taken from direct and indirect food contact surfaces, screened by BAX real-time polymerase chain reaction (PCR) assays and confirmed using immunomagnetic separation, selective media, and latex agglutination. In abattoir A, Salmonella presence was negligible, whereas presumptive STECs were present in 10%, 12.5%, 0%, and 5% of the environmental samples respective to each sampling month, indicating a reduction of STEC ( P = .06) by the third and fourth sampling months. Conversely, presumptive STEC presence was negligible in abattoir B, whereas Salmonella presence for each sampling month was of 5.6%, 6.3%, 27.3%, and 0.0%, respectively. Upon the increased pathogen presence detected on the third sampling month, additional actions were taken to reinforce the implementation of food safety practices and programs, which resulted in a Salmonella reduction to 0% by the fourth sampling month ( P = .013). The satisfactory results strongly suggest that a multiple-intervention approach is crucial to improve food safety in this type of premises.
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Steel, Cameron C., Angela M. Lees, D. Bowler, P. A. Gonzalez-Rivas, G. Tarr, R. D. Warner, F. R. Dunshea, Frances C. Cowley, and P. McGilchrist. "Abattoir Factors Influencing the Incidence of Dark Cutting in Australian Grain-Fed Beef." Animals 11, no. 2 (February 10, 2021): 474. http://dx.doi.org/10.3390/ani11020474.
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The aim of this study was to evaluate the effect of carcass traits, lairage time and weather conditions during lairage and abattoir factors that impact the incidence of dark cutting in 142,228 grain-fed carcasses, as defined by Meat Standards Australia (MSA) guidelines. This study was conducted over a 12-month period analysing data from cattle that were supplied from seven feedlots and processed at three abattoirs. Abattoir data indicated that the average incidence of dark cutting within the study was 2.8%. Increased wind speeds (WSs) and rain during lairage at the abattoir was associated with an increased risk of dark cutting, whereas variation in ambient temperature and/or relative humidity did not influence dark cutting. Heavier carcasses with whiter fat, larger hump heights, more rib fat, higher marble scores and lower ossification had lower incidences of dark cutting. The factors abattoir, time in lairage, time to grading and grader within Abattoir had significant effects on the incidence of dark cutting. The results from this study suggest that reducing the time in lairage and increasing the time between slaughter and grading are the two major ways to reduce dark cutting in MSA carcasses.
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OTTO, Edet. "Evaluation of Abattoir Practices in Ijebu Ode, Nigeria." International Journal of Advances in Life Science and Technology 6, no. 1 (June 1, 2022): 12–23. http://dx.doi.org/10.18488/72.v6i1.3013.
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If used properly, abattoirs can help with disease management, ante- or postmortem investigation of animals and the meat, and can protect the population from most zoonotic illnesses that can develop after eating unsanitary, unsafe, or unwholesome meat or meat products. This underscores the need to examine and explore present abattoir practises in order to better understand the current situation of meat production in Ijebu Ode, Nigeria. Data was retrieved from three (3) government-approved abattoirs using self-administered structured questionnaires, personal interviews, and observations, and the data were computed descriptively using a statistical software for social scientists. Findings from the empirical observation and evidence indicated significant deficiencies in the essential hygiene facilities and services, with the lack of a veterinary laboratory for microbiological confirmation of suspected meat, and all the butchers reported no utilisation of protective gear during slaughtering activities. 66.7% of the abattoirs disposed of their solid waste by open dumping in the nearby bushes, while the wastewater was discharged into public drains. The study revealed that the abattoir practises in Ijebu Ode are unsatisfactory, with unsanitary practises and shortfalls in fundamental hygiene facilities and services, which are critical for producing healthy meat for public consumption. As a result, standardisation of facilities, including the closure of substandard ones, and educational training of abattoir workers were proposed as ways to improve hygiene facilities and practises.
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Adamu, MT, and M. Dahiru. "A Review on Abattoir Wastewater Treatment for Environmental Health Improvement." Journal of Environmental Bioremediation and Toxicology 3, no. 2 (December 31, 2020): 26–31. http://dx.doi.org/10.54987/jebat.v3i2.548.
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Impact of indiscriminate discharge of abattoir wastewater has been a major cause of concern globally due to its negative effect on public and environmental health. Lack of wastewater treatment plants and guidelines for proper disposal in many developing countries generates other numerous ecological problems to the affected countries. Its role as a nutrient-provider for pathogenic microorganisms was highlighted by many researchers. Treatment of abattoir wastewater remains the main reliable and efficient means of reducing environmental pollution it may consequently cause. Environmental pollutants released through wastewater by abattoirs may be complicated due changes brought about by additional substance used during animal processing. Several methods adopted by abattoirs were reported to be effective. However, the need for improvement in line with environmentally friendly guidelines is recommended
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KANG, SANGA, JOSHUA T. RAVENSDALE, RANIL COOREY, GARY A. DYKES, and ROBERT S. BARLOW. "Analysis of Bacterial Diversity in Relation to the Presence of the Top 7 Shiga Toxin–Producing Escherichia coli throughout Australian Beef Abattoirs." Journal of Food Protection 83, no. 10 (September 25, 2020): 1812–21. http://dx.doi.org/10.4315/jfp-20-109.
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ABSTRACT There is increasing evidence that diversity changes in bacterial communities of beef cattle correlate to the presence of Shiga toxin–producing Escherichia coli (STEC). However, studies that found an association between STEC and bacterial diversity have been focused on preslaughter stages in the beef supply chain. This study was designed to test a hypothesis that there are no differences in bacterial diversity between samples with and those without the presence of the top 7 STEC (O26, O45, O103, O111, O121, O145, and O157) throughout processing in an integrated (abattoir A) and a fragmented (abattoir B) Australian beef abattoir. Slaughter and boning room surface samples from each abattoir were analyzed using 16S rRNA amplicon sequencing and tested for the top 7 STEC following the Food Safety and Inspection Service protocol. Potential positives through slaughter were similar between the abattoirs (64 to 81%). However, abattoir B had substantially reduced potential positives in the boning room compared with abattoir A (abattoir A: 23 and 48%; abattoir B: 2 and 7%). Alpha diversity between the sample groups was not significantly different (P > 0.05) regardless of different STEC markers. Nonmetric multidimensional scaling of slaughter samples showed that the bacterial composition in fecal and hide samples shared the least similarity with the communities in carcass and environmental samples. Surface samples from slaughter (carcass and environmental) and boning (carcass, beef trim, and environmental) all appeared randomly plotted on the scale. This indicated that the STEC presence also did not have a significant effect (P > 0.05) on beta diversity. Although presence of STEC appeared to correlate with changes in diversity of fecal and hide bacterial communities in previous studies, it did not appear to have the same effect on other samples throughout processing. HIGHLIGHTS
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Kempster, A. J., and M. J. Sloyan. "The structure of the British abattoir industry post 1992." Proceedings of the British Society of Animal Production (1972) 1991 (March 1991): 1. http://dx.doi.org/10.1017/s0308229600019541.
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1. Implementation of the EC meat hygiene standards (Proposal COM (89/673)) by the British abattoir industry post 1992 is likely to have a major impact on its structure. Against the background of low operating margins, many abattoirs are faced with the necessity of making substantial investment in order to conform with the standards.2. The term ‘post 1992’ is used advisedly because there could be temporary derogations beyond the 1 January 1993 deadline. The possibility and current lack of definition of these is a major cause of uncertainty and anxiety over investment in the industry, and makes forecasts of industry structure difficult.3. A survey was carried out during June to September 1990 to examine the projected future size and structure of the industry. Data were obtained from three sources:(a) a telephone survey to the managers of 80 non-EC approved abattoirs stratified by size and geographical region (carried out in August 1990),(b) a survey by MLC regional staff in close day-to-day contact with the industry (approximately 450 abattoirs), and(c) information obtained by MLC in the course of operating its Meat Plant Advisory Service (advice was provided to 150 abattoirs in 1989/90).The data included a Judgement as to whether the abattoir would continue to operate post 1992 and an estimate of anticipated slaughtering capacity based on chiller capacity. Numbers of cattle, sheep and pigs slaughtered in each abattoir in Great Britain are available from MLC's levy records. The database is being updated regularly as new information becomes available.
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Weeding, C. M., E. J. Hunter, H. J. Guise, and R. H. C. Penny. "The effect of slaughter handling system on pig welfare and meat quality." Proceedings of the British Society of Animal Production (1972) 1992 (March 1992): 59. http://dx.doi.org/10.1017/s0308229600021772.
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Pigs from 4 farms were slaughtered at 2 abattoirs, each with 2 slaughter handling systems. Pigs at abattoir 1 were electrically stunned, either in a floor pen holding 5 pigs or a race restrainer. A straight race 1m wide led to the floor pen. A stepped collection pen and single file race led to the race restrainer. At abattoir 2 a single file curved race led to a floor pen with electrical stunning and a circular collection pen led to a double race and dip-lift C02 stunner. Each replicate involved 2 farms sending 50 pigs to each abattoir. There were 16 replicates (3200 pigs). Stun system had a significant effect on the development of early rigor, muscle pH, muscle colour and skin blemish (GLM Analysis of Variance). At abattoir 1, pigs slaughtered through the race restrainer had a greater tendency to develop early rigor and more skin blemish. Pigs slaughtered through the race restrainer also had lower pH in the m. longissimus dorsi at both initial and ultimate readings post mortem. In general, pH readings were higher than would be expected in the pig m. longissimus dorsi. Muscle reflectance was higher in the m. longissimus dorsi of pigs slaughtered through the race restrainer at both initial and ultimate readings. Significant differences between means at abattoir 1 (two-sample t-tests) are contained in Table 1. At abattoir 2, the floor pen produced carcases with a greater tendency to develop early rigor and more skin blemish. There were no significant differences in muscle pH or colour. Significant differences between means at abattoir 2 (two-sample t-tests) are contained in Table 2.
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Wang, Yi-Wen, and John Pendlebury. "The modern abattoir as a machine for killing: the municipal abattoir of the Shanghai International Settlement, 1933." Architectural Research Quarterly 20, no. 2 (June 2016): 131–44. http://dx.doi.org/10.1017/s1359135516000294.
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The public abattoir emerged as an institution across the industrialized world in the mid-nineteenth century to centralize and control animal killing and meat processing, activities that had traditionally taken place in private slaughterhouses. The modern idea of the abattoir, however, is more than a place where animals are killed for human consumption. Designed to optimize a disassembling process that efficiently took apart the livestock into small pieces, the modern abattoir is one of the earliest building types where the production line was incorporated into the spatial layout. Modern abattoirs also separated livestock from people, and production from consumption, into special places removed from public view.This paper is concerned with the production of a public abattoir in 1930s colonial Shanghai. The Shanghai Municipal Abattoir, completed in 1933, was deliberately designed as a ‘machine for killing’, which applied production-line principles to the efficient slaughter of animals. The result of this functionalism was an extraordinary series of multi-storey concrete structures, dictated by the bloody business of slaughtering animals and processing their carcasses, set behind an art deco façade. In this paper we seek to tell the story of the production of a building that has previously been little researched, with most of the archival material in Shanghai Municipal Archives (SMA) and the limited published material available only in Mandarin.
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Anie, Clement Oliseloke, Sinodukoo Eziuzo Okafo, Amelia-Jane Oluchi Anthony, and Kayode Temitope Egbon. "Incidence and antibiotic profile of gram-positive and gram-negative bacteria isolated from aprons and tables used in abattoir located in Abraka and Obiaruku, Delta State, Nigeria." Journal of Drug Delivery and Therapeutics 12, no. 3-S (June 15, 2022): 101–5. http://dx.doi.org/10.22270/jddt.v12i3-s.5387.
Full textAbstract:
This study was designed to investigate the presence of gram-positive and gram-negative bacteria in aprons and tables used in abattoirs in Abraka and Obiaruku.
A total of one hundred samples were obtained. Fifty samples were obtained from the aprons of butchers and meat vendors working in an abattoir located in Abraka and fifty samples from the sectioning tables in an abattoir located in Obiaruku using sterile swab sticks. Biochemical tests were carried out to characterize the bacterial isolates and susceptibility carried out using Kirby-Bauer disc diffusion method.
Out of the 50 aprons sampled, 47 were gram negative bacteria and 3 were gram positive bacteria. The bacteria were: Proteus spp. (16), Citrobacter spp. (15), Salmonella spp. (10), Shigella spp. (3), Aeromonas spp. (2), Providentia spp. (1), Mycobacterium spp. (1), Enterococcus spp. (1) and Streptococcus spp. (1). From the table samples, all 50 were gram negative bacteria. The gram-positive bacteria showed high susceptibility (100%) with high zones of inhibition to most antibiotics used. Gram-negative bacteria showed highest susceptibility to erythromycin (95.7%)
This study reveals that aprons and tables of butchers and meat vendors at the abattoirs are reservoir of various bacteria, some of which are food borne pathogens and are multidrug resistant. The high prevalence of some of these organisms in this study coupled with their high antibiotic resistance profile is reflective of the poor hygiene practices carried out at the abattoirs in Abraka and Obiaruku and thus, pose a serious public health concern to the consumers of meat from such abattoirs.
Keywords: Bacteria, isolates, abattoir, butchers, meat vendors
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NORTJÉ, G. L., L. NEL, E. JORDAAN, K. BADENHORST, G. GOEDHART, W. H. HOLZAPFEL, and R. J. GRIMBEEK. "A Quantitative Survey of a Meat Production Chain to Determine the Microbial Profile of the Final Product." Journal of Food Protection 53, no. 5 (May 1, 1990): 411–17. http://dx.doi.org/10.4315/0362-028x-53.5.411.
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Samples from carcasses, personnel surfaces, equipment, and minced meat, packaged and displayed in cabinets were taken at a city abattoir, a wholesaler, and 10 different supermarkets. Bacteria enumerated were 1) psychrotrophs; 2) Enterobacteriaceae; 3) enterococci; 4) micrococci; 5) Pseudomonas spp; and 6) Brochothrix thermosphacta. The non integrated production system of abattoirs, wholesalers, and retailers yielded psychrotrophic and enterococci counts at retail which compared fairly well with those reported in literature, while the Enterobacteriaceae and micrococci counts were higher. Besides the psychrotrophs the pseudomonads were the most numerous group in the final product. Different surfaces were not sanitized with the same efficacy, while a general tendency towards lower counts at one supermarket group was monitored. The counts described 96% of the variation in the psychrotrophic count at the abattoir, while the success in using these counts in estimating the psychrotrophic count at the wholesaler and retailers was not as significant. At the abattoir the Enterobacteriaceae and psuedomonads were the biggest contributors to the psychrotrophic count, at the wholesaler the Enterobacteriaceae and micrococci counts, and at the retailers the micrococci and pseudomonads respectively. This indicates that Enterobacteriaceae might be common psychrotrophs in the meat production chain, maybe originating from the abattoir and wholesale environments.
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ZWEIFEL, C., and R. STEPHAN. "Microbiological Monitoring of Sheep Carcass Contamination in Three Swiss Abattoirs." Journal of Food Protection 66, no. 6 (June 1, 2003): 946–52. http://dx.doi.org/10.4315/0362-028x-66.6.946.
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At three Swiss abattoirs, 580 sheep carcasses were examined at 10 sites by the wet-dry double-swab technique. The aim of this study was to obtain data on microbiological contamination at the abattoirs and to develop a procedure for monitoring slaughter hygiene. Median aerobic plate counts (APCs) (log CFU/cm2) ranged from 2.5 to 3.8, with the brisket and neck sites showing the most extensive contamination. Enterobacteriaceae were detected on 68.1% of the carcasses and in 15.2% of the samples. The proportion of positive results ranged from 2.6% (for the hind leg and the flank at abattoir C) to 42.2% (for the perineal area at abattoir A). The percentage of samples testing positive for stx genes by polymerase chain reaction was 36.6%. A significant relationship between APC and the detection of Shiga toxin–producing Escherichia coli (STEC) was found for abattoirs A and B (depending on sampling site), whereas a significant relationship between Enterobacteriaceae and STEC detection was confirmed only for abattoir A (P < 0.05). In 57.1% of the 56 isolated non-O157 strains, stx2 genes were detected, and most of them were stx2d positive. Additional virulence factors were detected in 50% of the STEC strains, with 8.9% of these strains being eae positive, 50% being EHEC-hlyA positive, and 3.6% being astA positive. For the determination of carcass contamination, the monthly examination of 10 sheep carcasses for APC and Enterobacteriaceae counts in the neck, brisket, and perineal areas is recommended. This procedure is a valuable tool for the verification of slaughter hygiene according to hazard analysis critical control point principles.
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De Luca, Silvio, Emanuela Zanardi, Giovanni Loris Alborali, Adriana Ianieri, and Sergio Ghidini. "Abattoir-Based Measures to Assess Swine Welfare: Analysis of the Methods Adopted in European Slaughterhouses." Animals 11, no. 1 (January 18, 2021): 226. http://dx.doi.org/10.3390/ani11010226.
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The assessment of swine welfare requires feasible, reliable, and reasonable indicators. On-farm evaluation of pig welfare can provide valuable information to veterinarians and farmers. However, such protocols can result expensive and time-consuming. With this regard, an interest in the appraisal of swine welfare at abattoir has grown over the recent years. In particular, the use of certain lesions collected directly from slaughtered animals to determine the welfare status of pigs has been evaluated by several authors. In the present review, the different methods developed to score lesions collected directly from the body and the viscera of animals slaughtered in European abattoirs (“abattoir-based measures”) are presented. The text specifically focuses on the methods currently available in the literature for the scoring of body, pluck and gastric lesions during post-mortem activities. Moreover, the strengths and weaknesses of abattoir-based measures schemes are discussed. To conclude, the future perspectives of the assessment of pig welfare at the slaughterhouse are described, appealing for a benchmarking system that can be systematically used by veterinarians and other professional figures involved in the process.
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M. H. Bahtiyar, H. Nuraini, L. Cyrilla, and E. L. Aditia. "Kajian Program Kesehatan dan Keselamatan Kerja (K3) Rumah Potong Hewan (RPH) di DKI Jakarta." Jurnal Ilmu Produksi dan Teknologi Hasil Peternakan 10, no. 3 (October 31, 2022): 105–11. http://dx.doi.org/10.29244/jipthp.10.3.105-111.
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The slaughterhouse is responsible for the Occupational Safety and Health of the workers and other people related to the activities. The purpose of the study was to examine the implementation of the Occupational Health and Safety program at abattoir in DKI Jakarta. This study uses the Hazard Identification, Risk Assessment, and Risk Control (HIRARC) method as a guideline for identifying potential hazards and health problems in slaughterhouses. The results of the hazard severity assessment (Severity) based on risk analysis and risk evaluation show that the percentage of the impact of very light risk is 7%, light risk is 34% the impact of currently risk is 34%, the impact of heavy risk is 21% and the impact of fatal risk is 3%. The probability of an accident (likelihood) in the three abattoirs shows that abattoir C is less likely to have an accident with a percentage of 53%. The smaller of production capacity of an abattoir, the less likely an accident will occur. Risk control can be carried out by elimination, substitution, technicalcontrol, administrative control, and the use of Personal Protective Equipment (PPE).
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Annabi, Carrie Amani, and Jinadu Lolade Ahmed. "Halal Beef Handling in Nigeria: The Abattoir Workers‟ Perspective." Journal of Emerging Economies and Islamic Research 3, no. 2 (May 31, 2015): 62. http://dx.doi.org/10.24191/jeeir.v3i2.9060.
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Despite Nigeria‟s large Muslim population of 77.3 million citizens, very little research has been carried out in terms of addressing Halal needs in Nigeria. This study reviewed the perspective of abattoir workers‟ involved with Halal beef in two abattoirs in Abuja. The research made use of primary data gathered by conducting telephone interviews, using semi-structured interview questions. Although the National Agency for Food and Drugs Administration Control (NAFDAC) guidelines which govern Halal beef handling in Nigeria proved to have commonalities with those recommended by the Jurisdiction of Department of Islamic Development in Malaysia, (JAKIM), the findings revealed that there was a general lack of awareness about either of those guidelines amongst the abattoir workers interviewed. The abattoir workers that participated indicated that their perception of what constitutes Halal beef handling best practice was based on personal opinion. Thus, there is the need to create better awareness on the current guidelines for Halal beef handling provided by NAFDAC. Furthermore there is a need for Halal beef handling training for the abattoir workers in Nigeria. This was evidenced in the fact that additional Halal beef logistics activities such as packaging, storage and transportation were found to be carried out by third party logistics (3PLs) organizations which made it difficult to ascertain the Halal integrity of the Halal beef supply chain.
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SPESCHA, C., R. STEPHAN, and C. ZWEIFEL. "Microbiological Contamination of Pig Carcasses at Different Stages of Slaughter in Two European Union–Approved Abattoirs." Journal of Food Protection 69, no. 11 (November 1, 2006): 2568–75. http://dx.doi.org/10.4315/0362-028x-69.11.2568.
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At sequential steps of slaughter (scalding, dehairing, singeing, polishing, trimming, washing, and chilling), 200 pig carcasses from two abattoirs were examined for total viable bacteria count (TVC) and the presence of Enterobacteriaceae and coagulase-positive Staphylococcus (CPS) by the wet-dry double-swab technique at the neck, belly, back, and ham. Before scalding, mean TVCs ranged from 5.0 to 6.0 log CFU cm32, and Enterobacteriaceae and CPS were detected on all carcasses. At abattoir A, mean TVCs and the percentage of Enterobacteriaceae-positive carcasses were reduced (P < 0.05) after scalding (1.9 log CFU cm−2 and 12%, respectively), singeing (1.9 log CFU cm−2 and 66%, respectively), and blast chilling (2.3 log CFU cm−2 and 17%, respectively) and increased (P < 0.05) after dehairing (3.4 log CFU cm−2 and 100%, respectively) and polishing (2.9 log CFU cm−2). The proportion of CPS-positive samples decreased to ≤10% after scalding and remained at this level. At abattoir B, mean TVCs and the percentages of Enterobacteriaceae- and CPS-positive carcasses were reduced (P < 0.05) after scalding (2.4 log CFU cm−2 and 29 and 20%, respectively), polishing (3.7 log CFU cm−2), and chilling (2.6 log CFU cm−2 and 55 and 77%, respectively) and increased (P < 0.05) after the combined dehairing-singeing (4.7 log CFU cm−2 and 97 and 100%, respectively). Among sites, the neck tended to yield higher levels of contamination from trimming to chilling at both abattoirs (P < 0.05). Consequently, scalding, singeing, and chilling may be integrated in a hazard analysis critical control point (HACCP) system for pig slaughter. As indicated by the higher levels of contamination on carcasses after dehairing-singeing and the following stages at abattoir B, each abattoir should develop its own baseline data and should customize HACCP systems to match process- and site-specific circumstances.
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EBNER, REBECCA, SOPHIA JOHLER, HENNA-MARIA SIHTO, ROGER STEPHAN, and CLAUDIO ZWEIFEL. "Microarray-Based Characterization of Staphylococcus aureus Isolates Obtained from Chicken Carcasses." Journal of Food Protection 76, no. 8 (August 1, 2013): 1471–74. http://dx.doi.org/10.4315/0362-028x.jfp-13-009.
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A total of 34 Staphylococcus aureus isolates from flock-wise pooled chicken neck skin samples collected at two abattoirs during slaughter were characterized with DNA microarray analysis and spa typing. The 20 isolates from abattoir A all belonged to clonal complex (CC) 12 and spa type t160. Of the 14 isolates from abattoir B, 7 belonged to CC5–t3478, 5 to CC12–t160, 1 to CC45–t040, and 1 to CC101–t056. Of the various resistance-associated genes tested, only blaZ/R/I (6 isolates of CC12 and CC101 from abattoir B), sdrM (n = 34), fosB (n = 33), and qacC (n = 22) were detected. None of the isolates harbored genes conferring methicillin resistance. In terms of genes encoding enterotoxins, seb (all isolates of CC12), egc (seg, sei, selm, seln, selo, selu; all isolates of CC5 and CC45), and sea (14 isolates of CC12 and 1 isolate of CC5) were found. In addition, all isolates harbored genes for intracellular adhesion proteins (icaA/C/D) and were positive for cap5 or cap8 (capsule type 5 or 8). Comparison of DNA microarray profiles identified four categories comprising (i) all isolates of CC12, (ii) all isolates of CC5, (iii) the CC45 isolate, and (iv) the CC101 isolate. The high similarity of the isolates from abattoir A could indicate contamination of chicken carcasses with S. aureus persisting on the slaughter equipment, but further investigations are required to elucidate potential contamination routes.
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Esther Eneyi Ebah, Joel Inya Odo, and Joseph Adanu Adah. "Screening and identification of some selected fungi species from Abattior waste water." International Journal of Scholarly Research in Multidisciplinary Studies 1, no. 1 (September 30, 2022): 009–15. http://dx.doi.org/10.56781/ijsrms.2022.1.1.0025.
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This study was carried out to screen and identify some selected fungi species from abattoir waste water in Makurdi metropolis. Abattoirs Waste water samples were collected from different locations which include Modern Market, Wadata, Wurukum, North bank, new bridge. The samples were transported to the Microbiology laboratory, Federal University of Agriculture, Makurdi. Standard microbiological tests were carried out to identify the organisms from abattoir waste water. The fungi species identified were, Aspergillus spp, Mucor, Absidia, Fusaruim, Rhizopus spp, Saccharomyces. Rhizopus and Mucor spp had the highest prevalence accounting for 21.05%, while Fusaruim spp had the lowest prevalence accounting for 10.52%. From the statistical analysis using ANOVA, there was significant difference between the colony counts in the different locations. Wurukum had the highest fungi count (20.40± 3.20 CFU/ml), followed by Wadata market (18.40± 9.62 CFU/ml), New bridge had the lowest fungi count of (8.20 ± 8.49 CFU/ml). The Physicochemical characteristics of abattoir waste water. Physicochemical analysis of waste water from abattoir shows that the temperature of wastewater ranges from 28.9°C to 29.8°C. The temperature was within the limit for wastewater discharge of <40°. The pH of the wastewater was near neutral (8.0-9.4), which plays a major role in determining the qualitative and quantitative abundance of microorganisms in the wastewater. From the findings of this study, it is recommended that there is need for regulatory authorities to enforce strict compliance to environmental safety rules.
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Bello, N. U., H. Y. Ibrahim, and Y. Garba. "Assessment of facilities and slaughter figures of livestock species in Oko-Oba central abattoir Ifako-Ijaye, Agege Lagos State, Nigeria." Bayero Journal of Pure and Applied Sciences 15, no. 1 (December 9, 2022): 165–68. http://dx.doi.org/10.4314/bajopas.v15i1.24.
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Abattoirs are needed to centralize slaughter processes and ensure surveillance of animal diseases at slaughter in order to avoid zoonotic transmission to humans through meat consumption. Inadequate facilities and hygiene at abattoirs can result in the contamination of meat and cause occupational hazards to workers. The objectives of this study were to assess the conditions of the facilities and the daily slaughter figures of livestock species at Oko-oba abattoir, Ifako-ijaye, Agege Lagos State. The study was conducted for three seasons from August 2020 to April 2021. A structured questionnaire was used to collect information on the study area, while daily visits, physical observation and interviews were used to collect data. Data collected were analyzed using descriptive statistics of frequencies and percentages. Cattle was the most commonly slaughtered species (92.34 %), followed by goat (6.34 %), sheep (1.15 %) and camel (0.18 %) in the late wet season (August - September). Cattle, goat, sheep and camel were slain in decreasing order during the early dry season (October - December) (90.17 %, 8.38 %, 1.40 % and 0.04 % respectively). In the late dry season (January - April), the cattle were recorded to have 88.00 %, goat 10.92 %, sheep 1.07 % and camel 0.01 %. It was determined that the season had no impact on the types of livestock slaughtered. Cattle were the most butchered species regardless of the seasons studied, followed by goats, sheep and camels. The abattoir also lacks several fundamental amenities that are expected of a standard abattoir, and those that are present are either non-functional or inadequate.
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Ilo, Clementine Ifeyinwa, Ede, Alison Okorie, Aronu, Cecilia Nkechi, Abonyi, Isaiah Chimezie, Okeke, Monique Ugochinyere, Nwazunku, Augustine Alugbala, Nwankwo, Chidiebere Joy, and Mbaegbu, Nnamdi Okwudili. "Knowledge of occupational health hazards and preventive practices among abattoir workers in Anambra State." GSC Advanced Research and Reviews 7, no. 3 (June 30, 2021): 115–21. http://dx.doi.org/10.30574/gscarr.2021.7.3.0129.
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An occupational health hazard is any agent, substance, object, equipment, human behaviour or factor capable of injury, disability, disease or death in individual working in an organization. Occupational infections caused by transmissible agents like bacteria, virus, fungi, parasites and toxins produced by these organisms can be hazardous when contracted by abattoir workers in their daily practices. This cross-sectional study assessed the knowledge of occupational health hazards and preventive practices among abattoir workers in Anambra State. Simple random sampling technique was used to select one hundred and twenty abattoir workers from the two major abattoirs in Awka South LGA, Anambra State, Nigeria. A validated structured questionnaire was used for data collection. The split half method was used to obtain a reliability index of 0.73 using Pearson Product Moment correlation coefficient formula. The Chi-Square statistics was utilized to test the null hypothesis at0.05 level of significance and at the appropriate degree of freedom. Data regarding knowledge of occupational health hazards and the preventive practices against occupational health hazards were analyzed using frequency distribution tables and percentages. The mean and standard deviation of occupational hazard scores of the workers were 2.43 (2.93). The result showed that occupational hazards prevalent among these abattoir workers were of physical, chemical, biological, psychosocial, musculoskeletal and ergonomics in nature. Among the workers, 72.8% had a low level of knowledge while 27.3% had good knowledge of occupational hazards. 23.3% had good preventive practices while 67.7% had fair practice, Sex had a significant association with the level of knowledge (P<0.001) and practice (P=0.052) among the workers. The females had a higher level of knowledge than the males, while the males had a better practice of preventive measures than females. There is need to sensitize and organize trainings for abattoir workers to improve their knowledge and ensure proper control of occupational health hazards.
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Yaro, C. A., T. M. Abdulazeez, U. U. Afia, I. H. Udoudom, A. E. Onoja-Abutu, and K. N. Opara. "Status of bovine fasciolosis and dicrocoeliosis in cattle slaughtered in abattoirs, Akwa Ibom State, Nigeria." Nigerian Journal of Parasitology 43, no. 2 (September 30, 2022): 335–44. http://dx.doi.org/10.4314/njpar.v43i2.16.
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This study was conducted to investigate the current status of bovine fasciolosis and dicrocoeliosis in cattle slaughtered in abattoirs, Akwa Ibom State, Nigeria. Visits were paid to slaughtered houses to collect bile samples from slaughtered cattle between 6.00 and 8.00 a.m. on each sampling day. A total of 378 cattle were observed for the presence of Fasciola spp., and Dicrocoelium spp. Bile samples collected were processed using sedimentation methods and viewed under the microscope for the eggs of these parasites. Descriptive statistics and Chi-square tests were performed. An overall prevalence of 280(74.1%) was observed for Fasciola spp., the prevalence was higher at Abak abattoir, 118(80.8%) than Itam abattoir, 162(69.8%). Dicrocoelium spp. had an overall prevalence of 260(68.8%) with Itam abattoir having significantly higher prevalence of 172(74.1%) than Abak abattoir, 88(60.3%). Females [28(77.8%)] had higher prevalence of Fasciola spp. than males [252(73.7%)] while for Dicrocoelium spp, females [28(77.8%)] had higher prevalence than male [232(67.8%)]. The age group of 5-6 years had the highest prevalence of 58(85.3%) for Fasciola spp. and 52(76.5%) for Dicrocoelium spp. Significant difference was observed in the prevalence of Fasciola spp. according to age group. An overall coinfection of 222(58.7%) was observed between Fasciola spp. and Dicrocoelium spp. Fasciolosis and dicrocoeliosis are still endemic in Akwa Ibom State with very high prevalence, this calls for urgent measures in the handling of meat before consumption. Also, the need for proper ranching in the rearing of cattle should be adopted in the state.
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LASTA, JORGE A., RICARDO RODRÍGUEZ, MARTA ZANELLI, and CARLOS A. MARGARÍA. "Bacterial Count from Bovine Carcasses as an Indicator of Hygiene at Slaughtering Places: A Proposal for Sampling." Journal of Food Protection 55, no. 4 (April 1, 1992): 271–78. http://dx.doi.org/10.4315/0362-028x-55.4.271.
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A sampling technique by which the whole carcass is rubbed with a polyurethane sponge was used to study bacterial status on 523 beef carcasses at six different slaughterhouses over four different years. Although some abattoirs were differentiated based upon the psychrotroph counts from their carcasses, effects on counts of visits and season of sample taking, as well as interaction year x abattoir found at the other plants were large enough to mask the abattoir effect. Mesophile counts were not consistent enough to discriminate abattoirs, while, Enterobacteria, total and fecal coliforms, and Staphylococcus aureus coagulase-positive organisms showed very low counts and did not set apart differences. A guideline to monitor beef carcass hygiene and indirectely the hygiene of the slaughtering practices through the psychrotroph counts is proposed. A two-kinds sampling plan is suggested with “right-incorrect” as levels of hygiene. A sample unit (n) of 10, an acceptance number of contaminated carcasses (c) of 3, and a count limit (m) of 103 CFU/cm2 are proposed. Under this guideline, a lot of carcasses will be deemed as hygiene lacking when 4 or more, out of 10 carcasses, yield counts of 103 CFU/cm2 or higher.
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Sa’idu, A. S., E. C. Okolocha, A. A. Dzikwi, A. A. Gamawa, S. Ibrahim, J. K. P. Kwaga, A. Usman, and S. A. Maigari. "Public Health Implications and Risk Factors Assessment of Mycobacterium bovis Infections among Abattoir Personnel in Bauchi State, Nigeria." Journal of Veterinary Medicine 2015 (January 31, 2015): 1–5. http://dx.doi.org/10.1155/2015/718193.
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Bovine tuberculosis (bTB) is a chronic infectious and contagious zoonotic disease of domestic animals, wild animals, and humans. It poses a public health threat and economic losses due to abattoir condemnation of infected carcasses during meat inspection of slaughtered animals. Bovine tuberculosis is widespread in Africa including Nigeria affecting both cattle and humans, particularly Northern Nigeria. A prospective survey was conducted from June to August 2013 in the three Zonal abattoirs of Bauchi State, Nigeria. A total of 150 structured close-ended questionnaires were administered to abattoir personnel to assess their level of awareness of bTB. This study was aimed at determining the level of public health awareness, attitude, and practices of abattoir workers of bTB in Bauchi State, Nigeria. There was a statistically significant association between respondents’ awareness of bTB and their occupational status, age, and duration of exposure to cattle carcasses (P<0.05); the odds of being aware of bTB were 9.4, 7.3, and 2.1, respectively. In conclusion, these demonstrate the urgent need for public health authorities to intervene in bTB control. The risk of bTB transmission as indicated by the personnel’s practices and awareness levels in Bauchi State could be prevented through the use of protective clothing (PPEs).
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Wakayo, Befekadu Urga, and Yohanis Abrham. "Prevalence and associated economic loss of fetal wastage in small ruminants slaughtered at Addis Ababa municipality abattoir, Ethiopia." Ethiopian Veterinary Journal 25, no. 1 (April 26, 2021): 110–27. http://dx.doi.org/10.4314/evj.v25i1.7.
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The study examined prevalence and economic implications of abattoir pregnancy/ fetal wastage in small ruminants. Survey was conducted on ewes (n=201) and does (n=183) slaughtered at Addis Ababa municipality abattoirs, during December 2017 and January 2018. Female reproductive tracts were examined for presence and types of pregnancy and/ or gross disorders. Net economic lossand net economic risk due to abattoir fetal wastage were calculated for each species after accounting for naturally expected abortion and neonatal losses, and domestic net market values. One hundred forty-two (37 %) animals were pregnant 131 (34.1 %) with single and 11 (2.9 %) with twin fetus. A total of 153 fetuses were recovered giving a fetal wastage prevalence of 39.8 %. More animals in the second trimester (25.5 %) were slaughtered than those in first (8.3 %) or third (3.1 %) trimesters (p < 0.05). Prevalence of pregnancy was 32.8 % in does and 40.8 % in ewes (p = 0.104). Prevalence of fetal wastage was 37.2 % (68 fetuses) and 42.3 % (85 fetuses) in goats and sheep, respectively (p > 0.05). Abattoir pregnancy prevalence showed variations relative to slaughter month in goat (p < 0.01) and body condition in sheep (p < 0.05). Observed abattoir pregnancy prevalence levels incurred net economic loss of 313.55 USD in sheep (per 201 ewes) and 315.4 USD in goats (per 108 doe). This translated to net economic risk of 1.7 USD per mature doe or ewe slaughtered for meat. Nine (4.9 %) does and 1 (0.5 %) ewe showed gross reproductive tract disorders (p < 0.05). Frequent female slaughter without efficient ante-mortem pregnancy screening predisposed significant proportion of small ruminants to pregnancy/ fetal wastage. Deeper investigations are needed to understand reasons behind pregnant small ruminant slaughter and to mitigate its negative impacts onsustainability of animal production. Evaluating and capacity building on alternative small ruminant pregnancy diagnosis methods requires due attention.
Key words: Doe; Pregnancy; Reproductive disorders; Ewe; Fetal wastage; Economic implication; Abattoir
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Davis, Leslie A., and Hermine Karagheuz. "La province abattoir." Chimères 63, no. 1 (2007): 29. http://dx.doi.org/10.3917/chime.063.0029.
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Descamps, Benoît. "Fenêtre sur abattoir." Histoire urbaine 24, no. 1 (2009): 123. http://dx.doi.org/10.3917/rhu.024.0123.
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Dan, Emmanuel, Kayode Fatunla, and Solomon Shuaibu. "Influence of Abattoir Wastes on Soil Microbial and Physicochemical Properties." International Journal of Advance Research and Innovation 6, no. 4 (2018): 22–38. http://dx.doi.org/10.51976/ijari.641805.
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Influence of abattoir wastes on physicochemical and microbiological properties of soil samples obtained from Akwa Ibom State, Southern Nigeria were investigated using standard analytical and microbiological methods. Studied abattoirs and the control soils were in the sandy-clay-loamy soil category with varied quantities of sand, silt and clay. Bulk density, pH , electrical conductivities, salinity, moisture content, total organic and carbon content, cation exchange capacities, total petroleum hydrocarbon, nitrogen and phosphorus contents of studied abattoir soils were higher than in control. Essential elements (K, Na, Ca, and Mg) and trace metals (Fe, Zn, Cd, Cu, Pb, Cr and Ni) levels were also higher in abattoir soils than in control though were within permissible limit in soil except for Fe. Metal pollution index (MPI), enrichment factor (EF), geo-accumulation index (Igeo), degree of contamination (Cdeg) and pollution load index (PLI) of trace metals have also been calculated using existing pollution models. Microbial studies revealed total heterotrophic bacteria ranged from 6.41±0.43 to 7.91±0.58 log10CFU/g while fungal count ranged from 4.94±0.26 to 5.79±0.34 log10CFU/g. Among the four (4) locations, IK2 had the highest heterotrophic bacterial densities of 7.91±0.58 log10CFU/g while IK1 had the highest fungal count of 5.79±0.34 log10CFU/g. A total of six (6) bacteria (Klebsiella, Micrococcus, Pseudomonas, Bacillus, Escherichia and Enterobacter) and two (2) fungi (Aspergillus and Penicillium) species were isolated. The study revealed a significant (p=0.05) increase in the number and varieties of microorganisms most of which may be pathogenic but are more often than not indicators of recent faecal pollution in the soil impacted with the abattoir wastes.
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LÁZARO, NORMA S., ANITA TIBANA, and ERNESTO HOFER. "Salmonella spp. in Healthy Swine and in Abattoir Environments in Brazil." Journal of Food Protection 60, no. 9 (September 1, 1997): 1029–33. http://dx.doi.org/10.4315/0362-028x-60.9.1029.
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Tonsils and inguinal, mesenteric, and prescapular lymph node samples collected from 115 swine carcasses from two abattoirs and a family-run operation in the State of Rio de Janeiro, Brazil, were cultured for the presence of Salmonella species. Salmonella spp. were detected in 40 (34.8%) of the swine samples with the following distribution; tonsils (31/40, 77.5%), mesenteric lymph nodes (16/40, 40.0%), inguinal lymph nodes, (9/40, 22.5%), and prescapular lymph nodes (7/40, 17.5%), Scalding tank water and environmental swabs collected from the abattoirs were also analyzed. Salmonella spp. were recovered from 13 of 51 (22.5%) of the environmental samples from one of the two abattoirs, none from those from the other abattoir. Salmonella spp. were recovered from the evisceration tables (5/11, 45.5%), the killing room (3/10, 30.0%), the holding pen (2/10, 20.0%), the butchering saw (2/10, 20.0%), and the scalding tank (1/10, 10.0%). The most frequently detected serovar was Salmonella Muenster. The results show the necessity of adopting more effective hygienic measures in the abattoirs as well as in the areas where swine are raised in order to reduce the role of abattoirs and storage facilities in the spread of Salmonella contamination.
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Brusa, Victoria, Magdalena Costa, Nora L. Padola, Analía Etcheverría, Fernando Sampedro, Pablo S. Fernandez, Gerardo A. Leotta, and Marcelo L. Signorini. "Quantitative risk assessment of haemolytic uremic syndrome associated with beef consumption in Argentina." PLOS ONE 15, no. 11 (November 13, 2020): e0242317. http://dx.doi.org/10.1371/journal.pone.0242317.
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We developed a quantitative microbiological risk assessment (QMRA) of haemolytic uremic syndrome (HUS) associated with Shiga toxin-producing Escherichia coli (STEC)-contaminated beef (intact beef cuts, ground beef and commercial hamburgers) in children under 15 years of age from Argentina. The QMRA was used to characterize STEC prevalence and concentration levels in each product through the Argentinean beef supply chain, including cattle primary production, cattle transport, processing and storage in the abattoir, retail and home preparation, and consumption. Median HUS probability from beef cut, ground beef and commercial hamburger consumption was <10−15, 5.4x10-8 and 3.5x10-8, respectively. The expected average annual number of HUS cases was 0, 28 and 4, respectively. Risk of infection and HUS probability were sensitive to the type of abattoir, the application or not of Hazard Analysis and Critical Control Points (HACCP) for STEC (HACCP-STEC), stx prevalence in carcasses and trimmings, storage conditions from the abattoir to retailers and home, the joint consumption of salads and beef products, and cooking preference. The QMRA results showed that the probability of HUS was higher if beef cuts (1.7x) and ground beef (1.2x) were from carcasses provided by abattoirs not applying HACCP-STEC. Thus, the use of a single sanitary standard that included the application of HACCP-STEC in all Argentinean abattoirs would greatly reduce HUS incidence. The average number of annual HUS cases estimated by the QMRA (n = 32) would explain about 10.0% of cases in children under 15 years per year in Argentina. Since other routes of contamination can be involved, including those not related to food, further research on the beef production chain, other food chains, person-to-person transmission and outbreak studies should be conducted to reduce the impact of HUS on the child population of Argentina.
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P.U., Umeanaeto, Ogbogu N.E., Irikannu K.C., Onyido A.E., Okwelogu I. S. Mbanefo, E. C., and Ifeanyichukwu M.O. "A comparative Analysis of the Gastro-Intestinal Helminth Parasites of Cattle in Awka and Obosi Abattoirs in Anambra State, Southeastern Nigeria." Journal of Advance Research in Medical & Health Science (ISSN: 2208-2425) 2, no. 7 (July 31, 2016): 01–06. http://dx.doi.org/10.53555/nnmhs.v2i7.628.
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A comparative study was carried out on the prevalence of gastro-intestinal helminthes of cattle in Awka and Obosi abattoirs in Anambra State, between August and September, 2014. Fresh faecal specimens were collected from the rectum of 120 fleshly slaughtered cattle using universal specimen containers. arasitological examination of the faeces were done using direct smear and formal-ether concentration techniques. Out of 120 faecal specimens examined, 53(44.2%) of the cattle harboured gastro-intestinal helminth parasites. The prevalence of the intestinal parasites was higher in Obosi abattoir 33(55.0%) than in Awka abattoir 20(33.3%).The highest intestinal parasite encountered was nematode infection (26.7% in Awka; 31.7% in Obosi) and the least was cestode (15.0% in Awka; 21.7%in Obosi). Among the nematodes, Haemonchus contortus was common (10% in Awka; 11.7% in Obosi). Mixed infection recorded were 13.3% in Awka and 18.3% in Obosi abattoirs. White Fulani species had the highest infection rate in both Awka 10(16.7%) and Obosi abattoirs 14(23.4%) while the Red Fulani had the least prevalence in Awka3(5.0%) and Bokolo species 8(13.4%) in Obosi. Prevalence according to gender showed that females (20.0% in Awka; 28.3% in Obosi) were more infected than the males (13.3% in Awka; 26.7% in Obosi). The prevalence of gastro-intestinal parasites was observed to be statistically significant with gender (P>0.05) but not with different breeds (P<0.05). Good management practices in cattle rearing will help to reduce intestinal parasites of cattle
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Starling, Melissa J., Elyssa Payne, and Paul McGreevy. "Optimal Flow—A Pilot Study Balancing Sheep Movement and Welfare in Abattoirs." Animals 11, no. 2 (January 29, 2021): 344. http://dx.doi.org/10.3390/ani11020344.
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Abattoirs are faced with the challenge of moving livestock efficiently through the plant, while also engaging in handling practices that assure good animal welfare. Achieving optimal outcomes for both of these goals can bring them into conflict. An additional source of conflict can arise from the design of the abattoir. These problems are compounded by the dearth of research available to inform how livestock should be handled to achieve all of these goals. We applied the concept of ‘Optimal Flow’ to describe conditions under which rate of movement is maximised while overt signs of distress in sheep are minimised. Effectively, this represents the point at which trade-offs between speed and welfare converge. The current pilot study examined the behavioural interactions between humans (n = 5), livestock herding dogs (n = 7), and sheep (n = 3235) in a large Australian abattoir to describe the factors associated with an increase or decrease in rate of sheep movement per minute. It revealed that distress behaviours in sheep were associated with dog presence and with a decrease in livestock movement rate. However, we found that as sheep density increased, there was increased livestock movement rate as well as an elevated incidence of distress behaviours. Optimal Flow at this abattoir was achieved by maintaining sheep at lower densities. Our report discusses the possible confounds in this interpretation.
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POWELL, L. F., T. E. A. CHENEY, S. WILLIAMSON, E. GUY, R. P. SMITH, and R. H. DAVIES. "A prevalence study ofSalmonellaspp.,Yersiniaspp.,Toxoplasma gondiiand porcine reproductive and respiratory syndrome virus in UK pigs at slaughter." Epidemiology and Infection 144, no. 7 (November 20, 2015): 1538–49. http://dx.doi.org/10.1017/s0950268815002794.
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SUMMARYAn abattoir-based study was undertaken between January and May 2013 to estimate the prevalence ofSalmonellaspp. andYersiniaspp. carriage and seroprevalence of antibodies toToxoplasma gondii andporcine reproductive and respiratory syndrome virus (PRRSv) in UK pigs at slaughter. In total, 626 pigs were sampled at 14 abattoirs that together process 80% of the annual UK pig slaughter throughput. Sampling was weighted by abattoir throughput and sampling dates and pig carcasses were randomly selected. Rectal swabs, blood samples, carcass swabs and the whole caecum, tonsils, heart and tongue were collected.Salmonellaspp. was isolated from 30·5% [95% confidence interval (CI) 26·5–34·6] of caecal content samples but only 9·6% (95% CI 7·3–11·9) of carcass swabs, which was significantly lower than in a UK survey in 2006–2007.S.Typhimurium andS.4,[5],12:i:- were the most commonly isolated serovars, followed byS.Derby andS.Bovismorbificans. The prevalence ofYersinia enterocoliticacarriage in tonsils was 28·7% (95% CI 24·8–32·7) whereas carcass contamination was much lower at 1·8% (95% CI 0·7–2·8). The seroprevalence of antibodies toToxoplasma gondiiand PRRSv was 7·4% (95% CI 5·3–9·5) and 58·3% (95% CI 53·1–63·4), respectively. This study provides a comparison to previous abattoir-based prevalence surveys forSalmonellaandYersinia, and the first UK-wide seroprevalence estimates for antibodies toToxoplasmaand PRRSv in pigs at slaughter.
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Tizhe, M. A., T. K. Daniel, H. I. Kubkomawa, D. Dass, and I. S. R. Butswat. "Seasonal abattoir foetal wastage food security and the National economy." Nigerian Journal of Animal Production 38, no. 2 (February 1, 2021): 172–77. http://dx.doi.org/10.51791/njap.v38i2.2809.
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The study was conducted to evaluate seasonal abattoir foetal wastage and assess its impact on the national economy and food security in Nigeria. A total of 10,176, 19,078 and 16,226 fetuses were recovered from cattle, goats and sheep at three abattoirs located in three towns namely: Michika, Uba and Mubi over a period of four years (2005-2008) to assess the extent at which fetuses wasted affect farmers and the national GDP. Estimated market value of the fetuses from the three abattoirs assuming they were given the opportunity to survive and attain maturity before sales were N712,320,000, N228,936,000 and N 243,390,000. This amount of money would have been added to the national domestic revenue. On the average, 2,544 calves, 4,769.75 kids and 4,111.5 lambs valued at N] 78,070,000, N57,237,000 and N61.672,500 are lost every year. On monthly bases, Nigeria is losing the sum of N59,360,000, N14,078,500 and N2,028,200 through foetal wastage from two local governments areas alone. Season has high significant effect (P<0.01) on the number of fetuses wasted especially during the dry seasons. Means of foetal recovery were highest in the year 2006, and lowest from cattle and sheep in the year, 2008. Higher number of foetal recovery was recorded in Mubi abattoir followed by Uba and then Michika. This practice of killing pregnant animals has enormous consequences on the farmers, other stake holders in the livestock industry and the national GDP.