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Vieira, Frederico Márcio Corrêa, Iran José Oliveira da Silva, José Antonio Delfino Barbosa Filho, and Afrânio Márcio Corrêa Vieira. "Productive losses on broiler preslaughter operations: effects of the distance from farms to abattoirs and of lairage time in a climatized holding area." Revista Brasileira de Zootecnia 39, no. 11 (November 2010): 2471–76. http://dx.doi.org/10.1590/s1516-35982010001100021.
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This work aimed to assess the effects of preslaughter lairage time on the welfare and mortality of broilers transported in different farm-abattoir distances. It was evaluated 215 poultry transport trucks from a commercial poultry slaughterhouse from 2006 to 2007. Data were obtained from the holding area acclimatized through fans and water misting in the mornings, afternoons and at night. The thermal variables (temperature and relative humidity), distance, lairage time and density of birds per cage were considered in the analysis. The effects of distance and lairage time were important in the variation of rectal temperature of the animals and on the number of dead animals per truck. Two models were developed (mean and dispersion), for each response variable in function of the interaction between lairage time and distance. As the lairage time in the holding area increased, the rectal temperature of the birds was reduced for all the studied distances. In farm-abattoir distances higher than 25 km, mortality was low when lairage time was lower than 1 hour. However, for distances below 25 km, in the same time interval, the number of dead birds was two-fold higher than in the first situation. The adjustment of lairage time has to be done accordingly to the distance provided that the lairage environment is correctly climatized.
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Racedo, S. E., M. C. Branzini, D. Salamone, V. Y. Rawe, and H. Niemann. "250 CYTOPLASMIC DYNEIN INTERMEDIATE CHAIN AND DYNACTIN p150Glued EXHIBIT DISTINCT SPATIAL AND TEMPORAL MICROTUBULE ASSOCIATIONS DURING BOVINE IN VITRO MATURATION AND ARE AFFECTED BY FOLLICLE SIZE." Reproduction, Fertility and Development 20, no. 1 (2008): 204. http://dx.doi.org/10.1071/rdv20n1ab250.
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Microtubule molecular motors are critically involved in transporting vesicles during interphase, in building and maintaining spindles during mitosis and meiosis, and also in the localization of various organelles. DYNC1I1 (cytoplasmic dynein 1 intermediate chain) and its cofactor DCTN1 (dynactin p150Glued) are crucial for oocyte maturation but their role during mammalian female meiosis is not yet known. The goal of this study was to analyze the dynamics of these proteins in oocytes collected from different-size follicles at different stages of in vitro maturation (IVM), i.e., germinal vesicle stage (GV), germinal vesicle breakdown (GVBD), metaphase I (MI), and metaphase II (MII), and their association with microtubules. Ovaries were collected at a local abattoir. Cumulus–oocyte complexes (COCs) were aspirated from follicles either <2 mm or 2–8 mm in size and matured in M199, supplemented with 1% fatty acid-free BSA, 10 UI pregnant mare serum gonadotropin (PMSG)/5 UI HCG, and 100 µm cysteamine, at 39�C and 5% CO2. Follicle sizes and time points for fixation were: GV-0 h; GVBD-8 h for oocytes <2 mm and 9 h for oocytes 2–8 mm; MI-15 h; MII-24 h (Racedo et al. 2007, pub. online: 10.1002/mrd.20770). The distribution of the proteins was assessed by immunocytochemistry and laser confocal microscopy. The attached cumulus cells and zona pellucida of oocytes were removed in TALP-HEPES medium containing 1 mg mL–1 hyaluronidase and 2 mg mL–1 pronase, respectively. The oocytes were then incubated in a fixation–permeabilization solution containing 2% formaldehyde and 0.1%Triton X-100 for 1 h. Samples were then blocked for 1 h in 10 mm PBS + 0.3% BSA + 1% fetal calf serum (ICC blocking solution). The primary antibody was applied over night at 4�C, followed by treatment with fluorochrome-conjugated secondary antibodies for 1 h at 37�C in the dark. After RNase treatment, oocytes were incubated with TOTO-3 (Invitrogen, Carlsbad, CA, USA) to visualize the DNA. The material was mounted in an anti-fade medium (Vectashield�, Vector Laboratories, Burlingame, CA, USA) and imaged with a Zeiss laser scanning microscope. Immediately after chromatin condensation (GVBD), dynactin was in close association with the DNA and interacting with the spindles in MI and MII oocytes recovered from large follicles. No clear association with the DNA was observed in GVBD oocytes obtained from small follicles; little dynactin was found in MI and MII spindles. Dynein localization did not differ from dynactin in GVs and was homogeneously distributed in the cytoplasm of both groups of follicles. Dynein was not associated with the DNA in the GVBD stage while at MI and MII it was associated with the meiotic spindle. The association of dynein with microtubules was weak at the MI stage in oocytes from small follicles. Results provide insight into the regulatory mechanisms of oocyte maturation and a possible relationship with oocyte competence.
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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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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.
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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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Kolin, Philip C. "Williams's The Municipal Abattoir." Explicator 64, no. 2 (January 2006): 108–11. http://dx.doi.org/10.3200/expl.64.2.108-111.
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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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BADEJO, A. A., J. M. NDAMBUKI, W. K. KUPOLATI, S. ADEYEMO, D. O. OMOLE, and A. A. ADEKUNLE. "EVALUATION OF TWO-STAGE SUBSURFACE FLOW CONSTRUCTED WETLANDS FOR ABATTOIR WASTEWATER MANAGEMENT." Journal of Natural Sciences Engineering and Technology 19, no. 1 (December 2, 2021): 101–11. http://dx.doi.org/10.51406/jnset.v19i1.2106.
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Abattoir wastewater is high in organic content, the waste recovery and treatment facility is expensive and this results in indiscriminate dumping into streams without adequate treatment. The effectiveness of using a two-stage subsurface flow constructed wetland to treat abattoir effluent was examined in this study. Diluted abattoir wastewater from Lafenwa Abattoir, Abeokuta, Ogun State, Nigeria was fed into a two-stage Vegetated Subsurface Bed Constructed Wetlands (VSBCW). The VSBCW consisted of 500 mm deep 10-15 mm diameter granite with 150 mm thick overlay of well graded sand planted with locally available Vetiveria nigritana. Grab samples were collected at selected points along Ogun river and measurement of physico-chemical parameters such as: Chemical Oxygen Demand (COD), Biochemical Oxygen Demand (BOD5), Electrical Conductivity (EC), Total Dissolved Solids (TDS) and Total Suspended Solid (TSS) of the influent and effluent from the VSBCW were carried out. Irrigation with water and diluted abattoir wastewater to examine the variation in plant growth rate was also investigated. The results revealed a pollution load reduction as the wastewater moves away from the discharge point but inadequate to meet the FEPA (1991) standard for wastewater discharge into rivers. The VSBCW was observed to reduce the concentration of BOD5, COD, EC, TDS and TSS in the abattoir wastewater by 88.71, 87.28, 45.72, 56.89 and 72.27 % respectively. The growth rate of the V. nigritana reduced by 1.9% when irrigated with abattoir wastewater. The study revealed that locally available V. nigritana in VSBCW is effective in abattoir wastewater treatment and could be use to curtail the pollution caused by discharge of untreated wastewater into rivers.
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Woldemariyam, Fanos Tadesse, Tibebeu Markos, Dereje Shegu, Kassa Demissie Abdi, and Jan Paeshuyse. "Evaluation of Postmortem Inspection Procedures to Diagnose Bovine Tuberculosis at Debre Birhan Municipal Abattoir." Animals 11, no. 9 (September 7, 2021): 2620. http://dx.doi.org/10.3390/ani11092620.
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Routine meat inspection in the abattoir was used to examine carcass for subsequent approval for consumption. However, the chance of missing lesions results in approval of carcass and/or the offal with lesions of tuberculosis. A cross-sectional study was conducted at Debre Birhan Municipal abattoir from October 2016 to May 2017. Lesion prevalence estimation and two meat inspection procedures’ efficacy evaluation was attempted. The breeds of the animals inspected were zebu breeds. Routine abattoir meat inspection involves visual inspection, palpation and incision of intact organs such as the liver and kidneys, as well as inspection, palpation and incision of tracheobronchial, mediastinal and prescapular lymph nodes. The detailed meat inspection involves inspection of each of the carcass. In this case, the seven lobes of the two lungs, lymph nodes and organs were also thoroughly examined. The cut surfaces were examined under bright light sources for the presence of an abscess, cheesy mass, and tubercles in detail. The study involved and compared both routine and detailed meat inspections at the abattoir. Chi-square test of independence and odds ratio were used to see the association of lesion and different risk factors. Based on detailed meat inspection, the overall lesion prevalence of bovine tuberculosis in the carcass of cattle slaughtered at Debre Birhan municipality abattoir was found to be 4.7% but only 0.5% of the carcass examined had detectable bovine tuberculosis lesions when routine abattoir meat inspection alone was used. The majority of the lesions were distributed to the lungs and associated lymph nodes. There was a significant association (p < 0.05) in TB infection rate and body condition score. In conclusion, this study has clearly indicated the prevalence of bovine tuberculosis lesions in the abattoir that are missed by routine abattoir meat inspection. In addition, it showed low sensitivity of the routine meat inspection procedure used. Hence, our study warrants immediate attention to strengthen the current meat inspection practices at Debre Birhan public abattoir.
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ROSTAGNO, MARCOS H., H. SCOTT HURD, and JAMES D. McKEAN. "Resting Pigs on Transport Trailers as an Intervention Strategy To Reduce Salmonella enterica Prevalence at Slaughter†." Journal of Food Protection 68, no. 8 (August 1, 2005): 1720–23. http://dx.doi.org/10.4315/0362-028x-68.8.1720.
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Recent research has shown that much preharvest Salmonella enterica infection in pigs occurs immediately before slaughter during this rest period in the contaminated abattoir holding pens. The objective of this study was to evaluate a potential intervention strategy to reduce the prevalence of S. enterica–positive pigs at slaughter, which consisted of resting pigs prior to slaughter on their transport vehicle, instead of in the abattoir holding pen. Additionally, the effect of transportation of pigs from farm to the abattoir on S. enterica prevalence was investigated. A total of 120 animals were included in the experiment, divided in four replicates (n = 30 pigs per replicate). Fecal samples were collected from each animal at the farm and at the abattoir, where 15 randomly chosen pigs were unloaded and moved to a holding pen, while the remaining 15 pigs stayed in the transport trailer. After approximately 1.5 h of resting, both groups were slaughtered. Samples collected included distal ileum portion, cecal contents, and ileocecal lymph node. The overall S. enterica prevalence (pigs positive in at least one of the samples collected at slaughter) was higher for pigs held in the abattoir pens (40.7% versus 13.3%, P < 0.05). There was no difference (P > 0.05) for the S. enterica prevalence before and after transportation from farm to abattoir (5.8% versus 0.8%, respectively). This study demonstrates that resting pigs on the transport vehicle has the potential to decrease S. enterica levels entering the abattoir.
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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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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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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.
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Richard, Otolorin, E. Okolocha, Ameh Odinya, Mshelbwala Paul, Danjuma Audu, and Dzikwi Adamu. "Public Health Risk of Abattoir Operation in Zango Abattoir Zaria, Kaduna State Nigeria." Annual Research & Review in Biology 5, no. 2 (January 10, 2015): 139–46. http://dx.doi.org/10.9734/arrb/2015/12350.
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Monteiro, George. "The Abattoir beneath the Abattoir: Moral Realism in an Essay by Richard Selzer." Modern Language Studies 24, no. 4 (1994): 86. http://dx.doi.org/10.2307/3195054.
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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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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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Adugna, Feben, Mahendra Pal, and Gebrerufael Girmay. "Prevalence and Antibiogram Assessment of Staphylococcus aureus in Beef at Municipal Abattoir and Butcher Shops in Addis Ababa, Ethiopia." BioMed Research International 2018 (2018): 1–7. http://dx.doi.org/10.1155/2018/5017685.
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Objective. A cross-sectional study was conducted from October 2013 to April 2014 to determine the prevalence and antibiotic resistance of Staphylococcus aureus from beef of Addis Ababa Abattoir and butcher shops in Addis Ababa. Seven hundred sixty-eight swab samples were taken from the abattoir and butcher carcasses using a systematic random sampling. One hundred twenty swab samples were also taken from hooks, cutting tables, and knives from the abattoir. Staphylococcus aureus positive isolates were taken for antibiotic susceptibility test. A questionnaire survey was conducted in the abattoir and butcher workers to assess the hygienic practice and possible risk factors regarding the contamination of meat. Results. The prevalence of S. aureus in the abattoir, butcher, cutting table, hook, and knife was 9.4%, 19.8%, 15%, 15%, and 22.5%, respectively. The prevalence of S. aureus in the knife and butcher was found to be 2.8 (OR = 2.8, CI = 1.2–6.4) and 2.4 (OR = 2.4, CI = 1.6–3.6) times that of the abattoir results (p<0.01). The antimicrobial susceptibility testing was also conducted on 133 isolates of S. aureus using the disc diffusion susceptibility method. Bacitracin, neomycin, and methicillin were found to be 100% resistant to S. aureus. To avoid the presence of pathogenic Staphylococcus isolates, preventive measures using good hygienic practices during slaughtering and handling of the beef carcasses are recommended.
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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.
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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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NATTRESS, F. M., and A. C. MURRAY. "Effect of Antemortem Feeding Regimes on Bacterial Numbers in the Stomachs and Ceca of Pigs†." Journal of Food Protection 63, no. 9 (September 1, 2000): 1253–57. http://dx.doi.org/10.4315/0362-028x-63.9.1253.
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Three groups, each of 45 pigs, were either not fasted, fasted for 15 h during lairage at the abattoir, or fasted for 15 h before dispatch from the piggery to the abattoir. Three subgroups, each of 15 pigs from each group, were held at the abattoir for additional times of either 0 to 1 h, 2 to 3 h, or 4 to 5 h. Immediately after slaughter, stomach and cecal contents were collected for pH measurement and enumeration of coliforms, Escherichia coli biotype 1 and lactic acid bacteria (LAB). Stomach pH changed from 4.1 to 3.1 as additional abattoir holding time increased from 0 to 1 h to 4 to 5 h but was unaffected by feed withdrawal (mean pH, 3.5). Cecal pH (range 6.4 to 7.2) increased in response to both treatments. Coliform and E. coli biotype 1 numbers in the stomach, means 4.6 and 4.5 log CFU/g, respectively, were not affected by feed withdrawal but decreased 0.8 log units as additional abattoir holding time increased from 0 to 1 to 4 to 5 h. LAB in the stomach decreased in response to both feed withdrawal and holding at the abattoir. Cecal numbers of coliforms and E. coli biotype 1 increased 0.8 and 1.0 log units to 7.8 and 7.6 log CFU/g, respectively, as a result of feed withdrawal, and 0.6 log units to 7.6 and 7.5 log CFU/g, respectively, as additional abattoir holding time increased to 4 to 5 h. The LAB in the cecum (mean 9.4 log CFU/g) increased slightly with increasing abattoir holding time. In the event of release of stomach or cecal contents onto the meat during carcass dressing, larger numbers of E. coli per g would be released from the ceca and fewer per g from the stomachs of pigs that have had feed withdrawn as compared to pigs not subjected to feed withdrawal.
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Basarab, J. A., D. Milligan, and B. E. Thorlakson. "Traceback success rate of an electronic feedlot to slaughter information system for beef cattle." Canadian Journal of Animal Science 77, no. 3 (September 1, 1997): 525–28. http://dx.doi.org/10.4141/a97-047.
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The traceback success rate of an electronic feedlot to slaughter information system was evaluated using 4186 yearling cattle from three Alberta feedlots. Each animal was identified with an external Allflex electronic identification (EID) eartag before the end of the feeding period. The EID number was scanned with stationary Allflex TIRIS readers at the abattoir and electronically linked to its carcass data. The traceback success rate was 39.8% from abattoir to feedlot and 46.4% from abattoir to herd of origin. Key words: Allflex, electronic identification, reliability, transponder, cattle
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Mohammed, Alhassan, and Kwame Anane. "Prevelence and economic inference of small ruminant foetal wastage at the Kumasi Abattoir Ltd (Kaase)." Asia Pacific Journal of Sustainable Agriculture, Food and Energy 10, no. 1 (May 31, 2022): 28–33. http://dx.doi.org/10.36782/apjsafe.v10i1.105.
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Postmortem survey of small ruminant pregnancy wastage was conducted at Kumasi Abattoir Ltd, Kaase. Abattoir visits and investigations were conducted on 16 randomly selected abattoir working days. All mature ewes and does slaughtered on selected abattoir working days (mean = 71.69 animals/day) were included in the study, giving a total of 1,147 animals (301 ewes and 846 does). The reproductive tracts of study animals were collected at slaughter line and the uterus were grossly inspected for pregnancy. Thereafter, uterine body and horns were longitudinally incised to check the lumen for a visible fetus. The type of pregnancy (single or twin) was recorded and crown-rump length (CRL) of the largest fetus was demarcated on a piece of string and measured on a standard measuring tape. The length of gestation was estimated using the formula; Developmental Age (Days) = 2.1(Y+17), where Y = the CRL in “cm”. A survey was conducted within the premises of the Kumasi abattoir to estimate the average prices of matured small ruminants to calculate the prevailing market value of small ruminants. The potential economic impact of small ruminant abattoir fetal wastage was estimated by calculating the gross economic value and net economic value forgone due to loss of potential offspring. Kumasi Abattoir Annual Off-take was estimated to be 26,095 small ruminants where 73.8% were does and 26.2% were ewes. Pregnant does slaughtered had 37.2% of them carrying single foetus and 12.5% carrying twin foetus whereas pregnant ewes slaughtered had 28.9% carrying single foetus and 9.3% carried twin foetus. Total pregnancy wastage recorded had 3.7% early pregnancy and 96.3% mid-pregnancy with no late pregnancy recorded. Economic losses due to pregnancy wastage was estimated to be from GHS 2,755,140.80 to 3,534,791.80. The greater amounts of foetal waste encountered, places a substantial risk not only to the livestock production sector, but also to the economy of the nation.
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Bersisa, Abebe, Dereje Tulu, and Chaluma Negera. "Investigation of Bacteriological Quality of Meat from Abattoir and Butcher Shops in Bishoftu, Central Ethiopia." International Journal of Microbiology 2019 (May 2, 2019): 1–8. http://dx.doi.org/10.1155/2019/6416803.
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The study was conducted from November 2015 to November 2016 to determine bacterial load and identify pathogenic bacteria (S. aureus,E. coli, andSalmonellaespecies) in meat from abattoir and butcher shops as well as to assess associated hygienic and sanitation practices being experienced in the selected study site. A cross-sectional study was conducted where a simple random sampling method was used to select butcher shops, and the municipal abattoir was purposively selected. A structured questionnaire survey was also used to assess hygienic status of the municipal abattoir and butcher shops. A total of 124 samples (48 swab samples from abattoir carcass, 4 samples of carcass washing water about 20 ml of each, and 36 swab samples each from butcher shop cutting table and cutting knife, respectively) were collected during the study period. The collected samples were processed for aerobic plate count, and the total mean count was found to be 4.53 log10 cfu/cm2from abattoir carcass swab samples, 2.4 log10 cfu/ml from water samples, 6.58 log10 cfu/cm2from butcher shops cutting table, and 6.1 log10 cfu/cm2from cutting knife swab samples.E. coliwas the dominant bacterial species isolated (35.2%), followed byS. aureus(22.5%) andSalmonellaespecies (9.9%). According to the questionnaire survey, 48.4% (15/31) of the abattoir workers did not receive any training regarding food safety issues. Moreover, a majority (66.67%) of the respondents of the butcher house workers were grade 1–4 (elementary) in their educational level and do not use hairnet and handle money with bare hands during serving meat to consumers. The study showed that the hygienic status of the abattoir and butcher shops in the study area is poor, and the obtained results of bacterial load are higher than the acceptable limit of the standard. Therefore, the necessary strategies towards hygiene and sanitation of meat in the town should be implemented.
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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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Stenberg, Elin, Katarina Arvidsson-Segerkvist, Anders H. Karlsson, Aðalheiður Ólafsdóttir, Óli Þór Hilmarsson, María Gudjónsdóttir, and Guðjón Thorkelsson. "A Comparison of Two Different Slaughter Systems for Lambs. Effects on Carcass Characteristics, Technological Meat Quality and Sensory Attributes." Animals 11, no. 10 (October 11, 2021): 2935. http://dx.doi.org/10.3390/ani11102935.
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Two slaughter systems for lambs and their effects on meat quality in terms of texture, colour and sensory attributes were compared. The slaughter systems differed in methods for controlling rigor mortis and carcass chilling. One slaughter system (large-scale) used electrical stimulation and fast chilling of carcasses, while the other system (small-scale) did not use electrical stimulation and applied slower chilling, with carcass temperature decreasing over a longer period after slaughter. Ten pairs of ram lamb twins were selected, and one of each pair was slaughtered at the large-scale abattoir and the other at the small-scale abattoir. Carcass weight, conformation, fatness, pH and temperature were recorded. Musculus longissimus thoracis et lumborum was analysed for colour, cooking loss, Warner–Bratzler shear force and sensory attributes. For meat quality attributes, the only differences were found in meat colour L* (lightness; p = 0.0073), sensory attribute “appearance colour” (p = 0.0089) and “fatty flavour” (p = 0.0554). Meat from the small-scale abattoir was darker in colour and had a more fatty flavour than the meat from the large-scale abattoir. For sensory attributes (apart from colour), no significant differences were found between the two abattoir systems.
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HURD, H. S., J. D. McKEAN, R. D. GRIFFITH, and M. H. ROSTAGNO. "Estimation of the Salmonella enterica prevalence in finishing swine." Epidemiology and Infection 132, no. 1 (January 27, 2004): 127–35. http://dx.doi.org/10.1017/s0950268803001249.
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The study objective was to evaluate three methods of Salmonella enterica prevalence estimation in swine herds (faecal culture, culture of abattoir-collected samples, and serum ELISA). From each of six swine herds, we necropsied approximately 100 finishing pigs (>70 kg); one-half on farm and the other half at the abattoir, after transport and approximately 2·5 h holding. We collected the same samples for S. enterica culture at both locations (1 g faecal, 10 g caecal contents, ileocaecal lymph nodes, superficial inguinal lymph nodes, 25 g of gluteal muscle for serum ELISA). On farm, the 1 g faecal sample only detected 13·3% (2/15) of all positive pigs necropsied on farm. However, with abattoir and on-farm results combined, the faecal sample detected 57·4% (74/129) of positive pigs. Abattoir-collected samples provided prevalence estimates much higher than on-farm collected samples (39·9 vs. 5·3%; P<0·001). This study shows that faecal samples have a low sensitivity for detecting infected pigs and that abattoir-collected samples overestimate the on-farm S. enterica prevalence. For most herds, serology overestimated the on-farm culture prevalence.
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Sullivan, Colin, and Jane Clark. "Recruiting OVs for abattoir work." Veterinary Record 188, no. 10 (May 2021): 395. http://dx.doi.org/10.1002/vetr.535.
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Deverell, William, and David Lgler. "The Abattoir of the Prairie." Rethinking History 3, no. 3 (September 1999): 321–23. http://dx.doi.org/10.1080/13642529908596354.
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HAMIR, A. N. "An abattoir survey of neoplasms." Australian Veterinary Journal 62, no. 12 (December 1985): 423. http://dx.doi.org/10.1111/j.1751-0813.1985.tb14128.x.
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Kaneene, John B., RoseAnn Miller, and Robert M. Meyer. "Abattoir surveillance: The U.S. experience." Veterinary Microbiology 112, no. 2-4 (February 2006): 273–82. http://dx.doi.org/10.1016/j.vetmic.2005.11.018.
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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.
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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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Hanley, James, Amelia Garcia-Ara, and Wendela Wapenaar. "Cattle and sheep farmers’ opinions on the provision and use of abattoir rejection data in the United Kingdom." Veterinary Record 186, no. 7 (November 26, 2019): 217. http://dx.doi.org/10.1136/vr.105162.
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BackgroundCommunication between farmers and veterinary surgeons is reported to differ when involving abattoir rejection data on cattle or sheep.MethodsUsing surveys, distributed online and on paper at livestock markets, this study describes the interest and positive opinion of a sample of UK cattle and sheep farmers in receiving abattoir data.ResultsForty-nine per cent of respondents always received abattoir data (n=37/76). Over 80 per cent of respondents were interested in all suggested rejection conditions and particularly liver fluke and respiratory conditions. Eighty-two per cent of farmers were willing to share data with their veterinary surgeon as the information could be used to inform health plans.ConclusionThe study findings indicate that having an accurate and consistent data system, which is easily accessible to farmers and veterinary surgeons, appears an essential next step to improve the use of existing abattoir data and enhance animal health, welfare and production.
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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
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Hurd, H. S., J. D. McKean, R. W. Griffith, I. V. Wesley, and M. H. Rostagno. "Salmonella enterica Infections in Market Swine with and without Transport and Holding." Applied and Environmental Microbiology 68, no. 5 (May 2002): 2376–81. http://dx.doi.org/10.1128/aem.68.5.2376-2381.2002.
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ABSTRACT The objective of this study was to compare, by using identical sample types, the Salmonella enterica prevalences and serovar diversities between pigs necropsied on the farm and those necropsied at the abattoir after transport and holding. We necropsied 567 market weight pigs (>70 kg) from six herds. Pigs were alternately assigned to be necropsied on the farm or at the abattoir. One-half of the group was sent in clean, disinfected trailers to slaughter at a commercial abattoir. After transport (mean distance, 169 km) and 2 to 3 h of holding in antemortem pens, these pigs were necropsied. The 50 pigs remaining on the farm were necropsied the following day. The same sample types and amounts were collected for S. enterica culture at both locations. Results show a sevenfold-higher (P < 0.001) S. enterica isolation rate from pigs necropsied at the abattoir (39.9%; 114 of 286) than from those necropsied on the farm (5.3%; 15 of 281). This difference was also observed for each individual herd. All sample types showed a significantly higher prevalence when comparing abattoir to on-farm collection, respectively: lymph nodes, 9.15 versus 3.6%; cecal contents, 13.6 versus 1.8%; 1 g of fecal matter, 25.2 versus 0.7%. Recovery of additional serovars at the abattoir suggests the pigs are receiving S. enterica from extra-farm sources. This study demonstrates that rapid infection during transport, and particularly during holding, is a major reason for increased S. enterica prevalence in swine. This finding identifies the holding pen as an important S. enterica control point in the pork production chain.
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Bala, J. D., F. A. Kuta, N. U. Adabara, O. P. Abioye, H. S. Auta, and S. Gumel. "Biodegradation Potential of Abattoir Wastewater Microbiota in Nigeria." Nigerian Journal of Technological Research 15, no. 3 (November 23, 2020): 70–77. http://dx.doi.org/10.4314/njtr.v15i3.10.
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Water used for washing carcasses of slaughtered animals and slaughter house is referred to as abattoir wastewater. This study was designed to investigate the microorganisms associated with abattoir wastewater and to establish the biodegradation potential of abattoir wastewater microbiota. Isolation of the microbes was carried out using pour plate technique. The total viable count for the microbes’ ranges from 2.5×104 - 4.6×105 cfu/mL. Results revealed that all the physicochemical parameters exceeded the permissible limits (total dissolved solid (TDS) 1748mg/L, total suspended solid (TSS) 176mg/L, biochemical oxygen demand (BOD5) 91 mg/L and chemical oxygen demand (COD) 227 mg/L). Microorganisms isolated include Staphylococcus aureus, Pseudomonas aeruginosa, Bacillus subtilis, Bacillus anthracis, Aspergillus niger, A. flavus, Mucor sp, Trichophyton quickeanum and Penicillium sp. Some of the microbes were observed to have biodegradation potential by their ability to grow on mineral salt media (MSM) incorporated with starch, cellulose, crude oil, kerosene and diesel as the sole source of carbon and energy. This study suggests that abattoir wastewater harbors microorganisms that could be hazardous to public health when discharged into the environment untreated hence the need for strict monitoring. These microbes isolated could be employed as agent of bioremediation of wastewaters.
Key words: Abattoir; Biodegredation; Isolation; Microbiota; Wastewater
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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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Wythes, JR, RJ Arthur, RM Dodt, and WR Shorthose. "Cattle handling at abattoirs. II. The effects of rest in transit and duration of the resting period before slaughter on carcass weight, bruising and muscle properties." Australian Journal of Agricultural Research 39, no. 1 (1988): 97. http://dx.doi.org/10.1071/ar9880097.
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In two experiments, we examined the effects on carcass weight, bruising and muscle properties of resting cattle during a long rail journey and for various periods at an abattoir before slaughter. In experiment 1, 170 Shorthorn bullocks (mean liveweight 556 kg) were transported 90 km by road and 650 km by rail, with three groups (34 per group) going directly to an abattoir and two groups resting once for one day midway during the rail journey. The resting periods at this abattoir were 2, 3, 4,2 and 3 days, respectively. In experiment 2, 240 cows (mean liveweight 424 kg) were transported 190 km by road and 965 km by rail, with three groups (40 per group) going directly to another abattoir, two groups resting once for one day and one group twice for one day during the rail journey. The resting periods at this second abattoir were 1.5, 2.5, 3.5, 1, 2 and 1 day(s), respectively. All cattle had access to feed and water during resting periods and to water until slaughter. As the total resting period after the start of the rail journey and before slaughter increased, the percentage of carcasses with high pH values for M. longissimus dorsi decreased (P < 0.05); correlations for pH 24 h post mortem and ultimate pH were -0.97 and -0.71, respectively. The correlation between total resting period and shear values (initial yield and peak force) were c. -0.5. A resting period during the rail journey was as effective as that time spent resting at the abattoir. Cattle transported directly by rail to the abattoir had a greater bruise score than those rested en route, although cows rested twice were as bruised as those going direct. Treatment had no significant effect on carcass weight or systematic effect on cooking loss. Very high incidences of high ultimate pH values in one group of bullocks (29.4%) and another of cows (20.5%) occurred following periods of stress when slaughtering was interrupted by unavoidable stoppages.
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De Boni, Liesl, Sumaya Mall, Veerle Msimang, Alex de Voux, Jennifer Rossouw, and John Frean. "Exposure of South African Abattoir Workers to Coxiella burnetii." Tropical Medicine and Infectious Disease 7, no. 2 (February 16, 2022): 28. http://dx.doi.org/10.3390/tropicalmed7020028.
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Abattoir workers may contract Q fever by inhalation of Coxiella burnetii bacteria in aerosols generated by slaughtering livestock, or in contaminated dust. We estimated the seroprevalence of C. burnetii and examined the associated factors in a survey of South African abattoir workers. Coxiella burnetii seropositivity was determined by detection of IgG antibodies against C. burnetii phase II antigen. Logistic regression, adjusted for clustering and sampling fraction, was employed to analyze risk factors associated with C. burnetii seropositivity. Among 382 workers from 16 facilities, the overall seroprevalence was 33% (95% confidence interval (CI): 28–38%) and ranged from 8% to 62% at the facility level. Prolonged contact with carcasses or meat products (odds ratio (OR): 4.6, 95% CI: 1.51–14.41) and prior abattoir or butchery work experience (OR: 1.9, 95% CI: 1.13–3.17) were associated with C. burnetii seropositivity. In contrast, increasing age and livestock ownership were inversely associated. Precautions to protect abattoir personnel from Q fever are discussed.
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Nijsten, R., N. London, A. Van Den Bogaard, and E. Stobberingh. "Resistance in faecal Escherichia coli isolated from pigfarmers and abattoir workers." Epidemiology and Infection 113, no. 1 (August 1994): 45–52. http://dx.doi.org/10.1017/s0950268800051451.
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SUMMARYFaecal samples collected from three populations of healthy adult volunteers (290 pigfarmers, 316 abattoir workers, 160 (sub)urban residents) living in the south of The Netherlands were analysed for the prevalence and degree of antibiotic resistance of Escherichia coli.Significant differences in prevalence of resistance to amoxicillin, neomycin, oxytetracycline, sulfamethoxazole and trimethoprim were observed. The pig-farmers showed the highest percentages of resistance and the (sub)urban residents the lowest. In contrast no significant differences in high degrees of resistance were observed, except for neomycin.Although both pigfarmers and abattoir workers have regular contact with pigs differences in prevalences of resistance were observed. However, because abattoir workers with intensive and less intensive pig(carcass) contact did not show significant differences, this is probably not the only important source of resistant E. coli in pigfarmers.The high antibiotic use by pigfarmers (5%) and abattoir workers (8%) than by (sub)urban residents (0%) did not result in significantly different resistance percentages.
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Ezemonye, Mary N., Stephanie I. Osiatuma, and Chukwudi N. Emeribe. "Impact Of Abattoir Waste On The Physico-Chemical Quality Of Anwai River, Asaba Delta State, Nigeria." European Scientific Journal, ESJ 12, no. 20 (July 30, 2016): 277. http://dx.doi.org/10.19044/esj.2016.v12n20p277.
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Abattoir management is left in the hands of the populace and to this end, the wastes generated thereof are handled without consideration of the impacts on the environment. The study established quality deterioration for rainy/dry season physicochemical parameters at downstream (points after the abattoir) as theyexceeded values of the control point (sample site before the abattoir). The analysis of variance test at 0.05 confidence level supports the fact that quality of Anwai River at effluent discharge point differ significantly from quality at control point during rainy season. The rainy season values of the physicochemical parameters for slaughter days far exceeded the non slaughter days. The ANOVA test to determine if dry season quality of the Anwai River at effluent discharge point differ significantly from quality at control point showed no statistical variation at 0.05 level of confidence of confidence suggesting reduced diffused pollution and transportation of pollutant during the dry season. The study also established that the season of the year does have effect on quality deterioration of Anwai River. Diffuse pollution was established to on Anwai River as a result of poor abattoir waste management. It is recommended that the State government intervenes to stem the indiscriminate disposal of abattoir waste into the river to help preserve the health of the river and Anwai community.
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Tolera, Sina Temesgen, and Dechassa Adere Mengistu. "Occupational Hazards Exposure and Knowledge, Attitude and Practice towards Meat Safety amongst Abattoir Workers, Hawassa City, Southern Ethiopia." International Journal of Occupational Safety and Health 11, no. 2 (June 30, 2021): 108–15. http://dx.doi.org/10.3126/ijosh.v11i2.36306.
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Introduction: Food-borne diseases and occupational problems due to poor knowledge, attitude,s and practice towards safe food handling practices in developing countries are common. The purpose of the study was to determine occupational hazards exposure and to assess knowledge, attitude, and practice towards meat safety among abattoir workers.
Methods: A cross-sectional study was carried out on 216 abattoir workers from December 1st to February 30th, 2018 in Hawassa city. Systematic random sampling and semi-structured questionaries were used to collect data. Ethical approval for data collection was obtained from Hawassa University.
Results: The study indicated that the majority of them had fair knowledge (42.3%), positive attitude (43.8%), and fair practice (45.3%) towards food safety and compliance with abattoir law. The study also revealed the positive relationship between knowledge and attitude (p<0.01); knowledge and practice (p<0.001), attitude and practice (p<0.01). The main three frequently reported occupational hazards were ergonomic hazard (19.7%), mechanical hazard (18.9%), and psychological hazard (16.7%).
Conclusion: The study concluded that there was a poor level of knowledge, negative attitudes, and poor practices of abattoir workers towards meat handling, and compliance with the abattoir law. The study also found that occupational-related hazards most common in this work setting, which are persisting were needed to be improved, through training and occupational health and safety service.
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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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ADDY, Francis, Edward MASEKO, and Osman DUFAILU. "Abattoir-based prevalence and distribution of porcine cysticercosis in northern Ghana inferred from Kumasi Abattoir." Ghana Journal of Science, Technology and Development 7, no. 1 (August 8, 2020): 82–89. http://dx.doi.org/10.47881/224.967x.
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Taenia solium cysticercosis is a cosmopolitan foodborne disease that is neglected in many endemic tropical societies. The disease situation is less understood in parts of sub-Saharan Africa including Ghana, meanwhile useful surveillance data are needed from all endemic localities for designing effective intervention strategies. The present study estimated abattoir-based prevalence and distribution of T. solium cysticercosis in pigs from northern Ghana. A survey was carried out at the Kumasi abattoir to screen for cyst infection and localization sites, and evaluate the handling of infected carcasses. Taenia solium cysticercosis infection was noted in pigs at the abattoir, drawn from all five Regions of northern Ghana. Generally, porcine cysticercosis had 9.73% prevalence across the Regions with the Upper East Region (10.10%) being noted as a key focus of the cestode. Animals from the Upper West, Savannah, Northern and North East Regions also recorded a prevalence range of 8.25 – 12.12%. The results indicate considerable prevalence of T. solium cysticercosis that was in wide distribution in pig in northern Ghana and point to a public health threat in cities where such infected pigs are slaughtered.
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Alemu, Bethelehem, Shahid Nazir, Tarekegn Tintagu, and Awot Teklu. "Diagnostic efficacy of abattoir meat inspection for detecting bovine tuberculosis at Adama municipal abattoir, Ethiopia." Comparative Clinical Pathology 25, no. 4 (May 18, 2016): 885–93. http://dx.doi.org/10.1007/s00580-016-2278-1.
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RODRÍGUEZ-CALLEJA, JOSE M., JESÚS A. SANTOS, ANDRÉS OTERO, and MARÍA-LUISA GARCÍA-LÓPEZ. "Microbiological Quality of Rabbit Meat." Journal of Food Protection 67, no. 5 (May 1, 2004): 966–71. http://dx.doi.org/10.4315/0362-028x-67.5.966.
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World rabbit meat production is estimated to be over 1 million tons, and Spain is the third largest producer. Although rabbit meat is marketed and consumed worldwide, information on microbiological quality is very scarce. Here, we report indicator organisms, spoilage flora, sensory quality, and some physicochemical traits of 24 h postmortem chilled rabbit carcasses and prepackaged rabbit meat stored chilled in air for 0 to 3 days at the retail level. The mean total bacterial count (4.01 ± 0.48 log CFU/g) for carcasses dressed at a small abattoir by a manual process was significantly lower (P < 0.05) than that (4.96 ± 0.90 log CFU/g) for carcasses dressed at a large abattoir in automated slaughter lines. Both groups of carcasses had mean pH values of 5.98. The dominant contaminants on carcasses from the small abattoir were Pseudomonas, lactic acid bacteria, and yeasts. These microorganisms and Brochothrix thermosphacta were dominant on carcasses from the large abattoir. On prepacked hind legs (pH 6.26 ± 0.18) stored at −1 to + 1° C (supermarket 1), mean aerobic mesophilic count was 5.87 ± 1.03 log CFU/g, and the major microbial groups were Pseudomonas, yeasts, lactic acid bacteria, and B. thermosphacta. On prepacked whole carcasses (pH 6.37 ± 0.18) displayed at −1 to + 5° C (supermarket 2), mean aerobic mesophilic count was 6.60 ± 1.18 and the same microbial groups were dominant. Relative Escherichia coli incidence was supermarket 2 > large abattoir > supermarket 1 > small abattoir. Overall, low numbers of coliforms, Enterobacteriaceae, psychrotrophic clostridia, coagulase-positive staphylococci, and molds were found. Sensory scores, pH values, and L-lactic acid content differentiated fresh carcasses from retail samples. Data obtained suggest that the microflora of chilled rabbit meat are different from those found on the meat of other animals.
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Tukur, H. B. "An Appraisal of the Knowledge, Attitude and Practices of Abattoir Workers and Butchers on Bovine Tuberculosis in Kaduna Central Abattoir, Kaduna State, Nigeria." Journal of Veterinary and Biomedical Sciences 3, no. 2 (December 20, 2021): 33–46. http://dx.doi.org/10.36108/jvbs/1202.30.0240.
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Bovine tuberculosis (bTB) caused by Mycobacterium bovis is a chronic infectious and contagious zoonotic disease of domestic animals, wild animals and humans. This research involved abattoir workers who are personnel involved in the management of animals before and during the slaughtering process. Three hundred pretested, well-structured and closed-ended questionnaires were self-administered to abattoir workers made up of 13 Veterinarians, 8 Animal Scientists, 37 Para-veterinarians, 197 butchers and 45 unskilled labourers to determine the level of their knowledge, attitude and practices on tuberculosis. The study revealed that the abattoir workers in this study had low knowledge of bTB 32(10.6%). Their knowledge on the transmission pathways, prevention, control measures against bTB and its zoonotic importance were also sought. Detection of tubercle lesions of bTB in slaughtered cattle makes their potential source of infection to human and pose a public health risk. There is the need for enhanced public education and awareness campaigns among meat handlers and abattoir workers especially on the mode of transmission, aetiology and public health importance of bTB in Kaduna State
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Atlaw, Nigatu Aklilu, Shivaramu Keelara, Maria Correa, Derek Foster, Wondwossen Gebreyes, Awa Aidara-Kane, Lyndy Harden, Siddhartha Thakur, and Paula J. Fedorka Cray. "Identification of CTX-M Type ESBL E. coli from Sheep and Their Abattoir Environment Using Whole-Genome Sequencing." Pathogens 10, no. 11 (November 14, 2021): 1480. http://dx.doi.org/10.3390/pathogens10111480.
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Widespread dissemination of extended-spectrum beta-lactamase (ESBL) Escherichia coli (E. coli) in animals, retail meats, and patients has been reported worldwide except for limited information on small ruminants. Our study focused on the genotypic characterization of ESBL E. coli from healthy sheep and their abattoir environment in North Carolina, USA. A total of 113 ESBL E. coli isolates from sheep (n = 65) and their abattoir environment (n = 48) were subjected to whole-genome sequencing (WGS). Bioinformatics tools were used to analyze the WGS data. Multiple CTX-M-type beta-lactamase genes were detected, namely blaCTX-M-1, blaCTX-M-14, blaCTX-M-15, blaCTX-M-27, blaCTX-M-32, blaCTX-M-55, and blaCTX-M-65. Other beta-lactamase genes detected included blaCMY-2, blaTEM-1A/B/C, and blaCARB-2. In addition, antimicrobial resistance (AMR) genes and/or point mutations that confer resistance to quinolones, aminoglycosides, phenicols, tetracyclines, macrolides, lincosamides, and folate-pathway antagonists were identified. The majority of the detected plasmids were shared between isolates from sheep and the abattoir environment. Sequence types were more clustered around seasonal sampling but dispersed across sample types. In conclusion, our study reported wide dissemination of ESBL E. coli in sheep and the abattoir environment and associated AMR genes, point mutations, and plasmids. This is the first comprehensive AMR and WGS report on ESBL E. coli from sheep and abattoir environments in the United States.