Relevant bibliographies by topics / Catfishes Catfishes Smoked fish

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Academic literature on the topic 'Catfishes Catfishes Smoked fish'

Author: Grafiati
Published: 4 June 2021
Last updated: 8 February 2022

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Journal articles on the topic "Catfishes Catfishes Smoked fish"

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Olalekan, Adeyeye Samuel Ayofemi. "Effect of Smoking Methods and Natural Spices on Quality and Consumer Acceptance of Smoked Silver Catfish (Chrysichthys nigrodigitatus)." Recent Patents on Food, Nutrition & Agriculture 10, no. 2 (September 18, 2019): 152–63. http://dx.doi.org/10.2174/2212798410666181120124012.

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Aims and Background: Fish serves as a good source of dietary protein which is very inexpensive in relation to other animal protein foods and it is an excellent component of human diet. This study assessed the effects of smoking methods and natural spices on studied parameters and consumer acceptance of smoked silver catfish (Chrysichthys nigrodigitatus). Methods: One hundred samples of silver catfish were obtained by purposive sampling method. The fresh fish samples were smoked in two batches, the first batch was smoked with drum smoker and the second batch with oven smoker while the control was smoked without the natural spices. Rancidity indices (TVB-N, TMA-N, TBA and pH), microbiological analysis and sensory evaluation were carried out on smoked fish samples. The recent patents on edible fat blends (US20020031595A1), long chain fatty acids (WO2008085840A2) and esters of polyunsaturated fatty acids (US20090023808A1) helped in selecting the analytical methods. Results: The results showed that there was statistical significant difference (P≤0.05) between total volatile base-nitrogen, trimethylamine values and pH of the smoked silver catfish samples treated with different concentrations of clove, ginger and garlic paste and those samples which were not treated with clove, ginger and garlic. This study showed that smoking methods has effects on quality indices, microbial quality and consumer acceptance of smoked silver catfish. Clove, ginger and garlic have some anti-oxidative effects on rancidity indices of smoked silver catfish as there was inverse relationship between clove, ginger and garlic and values of peroxide, free fatty acid and thiobarbituric acid. This was also observed for the microbial quality of the smoked silver catfish. There was also inverse relationship between clove, ginger and garlic and all the sensory parameters except for texture and as the concentrations of the natural spices increase the values of the sensory parameters decrease. Conclusion: In conclusion, this study showed that smoking methods affects the studied parameters, microbial quality and consumer acceptance of smoked silver catfish. Addition of clove, ginger and garlic had anti-microbial and anti-oxidative effects on quality parameters of smoked silver catfish. There was also a negative correlation between clove, ginger and garlic and all the sensory parameters except for texture.
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Meutchieye, Felix, Henri Grisseur Djoukeng, Youssouf Jamilou Ngouyamsa, and Yacouba Manjeli. "Description of Freshwater Fish Traditional Smoking in the Western Region, Cameroon." Cameroon Journal of Experimental Biology 14, no. 1 (March 10, 2021): 61–64. http://dx.doi.org/10.4314/cajeb.v14i1.7.

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Western Cameroon is one of the regions most in needs of innovative and healthy solutions for freshwater fish conservation. This study aimed at evaluating the socio-economical characteristics of fish smokers and technical factors on the species smoked in the Noun Division. A total of 91 fish smokers were chosen. The socio-economic data were on age, gender, religion, number of dependents, marital status, ethnic group, education level, economic activities, smoking goals and workforce. The results of this study showed that fish smoking is practiced mainly by women (70%) which is common in Sub Sahara Africa small scale fish sector. The smokers are aged from 20 to 50 years (80%), married (92.2%) and taking care of a family of 1 to 10 persons (80%). These smokers are Muslim (74%), belonging to the Bamoun ethnic group (81%). They were also involved in other activities: agriculture (29%) and trade (1%). About 67% of the sampled smokers’ population had an experience of more than 10 years in the domain. The Purpose of smoking was largely sales (97%) and subsistence (3%). Nile tilapia (Oreochromis niloticus) was the most smoked species (36%), followed by African catfish (Clarias gariepinus) with a proportion of 32%. The average quantity of fresh fish smoked was 110 kg/day/smoker, with Oreochromis niloticus being more produced (60±4.74 kg/day/smoker). With regard to the smoking techniques used, hygiene measures were poorly respected. The major constraints revealed by the survey were that freshwater’s traditional fish smoking activities in Noun Division are influenced by gender, economic and cultural background. There is a lack of technical support material and financial means. Any implications for future investigations on health and food safety will be suitable for fresh fish smokers and the entire consumers.
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Sally, Saqbhani Puspa, Nabila Ukhty, Anhar Rozi, and Ikhsanul Khairi. "KARAKTERISTIK KIMIA DAN FISIKA IKAN LELE ASAP DENGAN BAHAN PEMBAKAR BERBEDA (STUDI KASUS UMKM UD SARONA KOTA BINJAI SUMATERA UTARA)." JURNAL PERIKANAN TROPIS 6, no. 2 (October 1, 2019): 109. http://dx.doi.org/10.35308/jpt.v6i2.2187.

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Catfish is one of the leading commodities in aquaculture in Indonesia. Catfish derivative products are currently very much developed, one of them was smoked catfish. The characteristics of smoked fish are influenced by several factors, including the type of firewood used. This study aims to examine the chemical and physical characteristics of smoked catfish with different burners. The smoking method used is heat fumigation. The parameters observed were proximate, pH value, phenol content, formaldehyde content, characteristics of color, texture and aroma. The results obtained, protein content, water content, ash content and fat content using laban wood are higher than rambutan wood 60.6%:58.8%; 6.65%:5.54%; 7.97%:7.29%; 20.4%;14.6% repectively. The phenol value of smoked fish using laban wood is higher than that of rambutan wood 0.2401ppm:0.2204ppm respectively. Formaldehyde levels in both types of wood are negative. The characteristics of the two smoked fish are the same in texture, aroma, pH and temperature parameters were solid texture, typical aroma of smoked fish, pH value 6.7 with a temperature of 80-100oC respectively. But the color of smoked fish by burning laban wood is bright brown while the rambutan wood is shiny brown.
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ADEOSUN, O., F. E. OLAIFA, and G. R. AKANDE. "AMINO ACID PROFILE AND POLYCYCLIC AROMATIC HYDROCARBONS (PAHS) OF SMOKED FARMED CLARIAS GARIEPINUS (BURCHELL, 1822) RAISED UNDER DIFFERENT CULTURE SYSTEMS IN IBADAN, NIGERIA." Journal of Agricultural Science and Environment 16, no. 2 (November 22, 2017): 69–78. http://dx.doi.org/10.51406/jagse.v16i2.1709.

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Fish food quality and safety is critical to consumers due to its public health implication. To exploit huge export opportunities for smoked farmed catfish, there is need for strict adherence to international quality and safety standards. This paper examined amino acid profile and polycyclic aromatic hydrocarbons (PAHs) of smoked farmed catfish Clarias gariepinus raised under different culture systems with a view to determining its quality and safety. Six farms with the two most common fish culture systems (3 concrete tanks (CTs) and 3 earthen ponds (EPs) were purposively selected based on frequency of harvest and yield. Fish samples (500±10g) obtained from these farms after 4 months of culture were processed, smoked, packaged and stored for 36 weeks. Amino acid profile in farmed fresh and smoked C. gariepinus was determined at 12, 24 and 36 weeks of storage and polycyclic aromatic hydrocarbons (PAH) was determined at 0 and 16 weeks of storage. These were compared with traditional smoked wild catfish obtained from local fish processor (LFP). The amino acids with highest concentrations (mg/g) found in this study were leucine (22.16 - 31.61 and 13.89 – 29.64), lysine (16.31 – 20.19 and 9.86 – 18.08), arginine (15.16 – 12.29 and 8.97 - 15.86), valine (15.96 – 21.35 and 9.68 - 19.36 ) and asparagine (19.66 – 21.61 and 12.36 mg/g – 20.71mg/g) for fresh and smoked catfish respectively. Levels of other amino acids ranged from 1.5mg/g to 9.98mg/g in smoked fish and 2.95mg/g to 12.21mg/g in fresh fish. The mean total poly aromatic hydrocarbons in smoked catfish at 16 weeks of storage were 0.039±0.004µg/kg, 0.034±0.005 µg/kg and 0.053±0.005 µg/kg for EP, CT and LFP, respectively. Therefore smoked farmed catfish raised under different culture systems still contain essential amino acids and Benzo(a)pyrene which is a carcinogen was not at detectable level in the samples.
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Stolbunov, I. A., V. A. Gusakov, Tran Duc Dien, and Nguyen Thi Hai Thanh. "Food Spectrum, Trophic and Length-Weight Characteristics of Nonindigenous Suckermouth Armored Catfishes Pterygoplichthys spp. (Loricariidae) in Vietnam." Inland Water Biology 14, no. 5 (September 2021): 597–605. http://dx.doi.org/10.1134/s1995082921050163.

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Abstract The food spectrum and trophic and length–weight characteristics of an invasive species, South American suckermouth armored catfishes Pterygoplichthys spp. (Loricariidae), from lotic and lentic inland waters of Vietnam have been studied. It is found that the diet of suckermouth armored catfishes consists of plant and animal food, as well as organic detritus. According to the predominant type and pattern of feeding, suckermouth armored catfishes can be classified as detritivore gatherers (janitor). Some specimens of catfish with a high consumption of animal food have been identified. It is noted that invasive suckermouth armored catfishes can be a significant food competitor for aboriginal fish species; detritivores; and, possibly, benthophages in the lotic and lentic inland waters of Vietnam.
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Diharmi, Andarini, Dewi Fortuna Ayu, and Akhyar Ali. "Characterization of the oil from the abdomen part of smoked catfish (Pangasius hypophthalmus) processing by-product." Jurnal Pengolahan Hasil Perikanan Indonesia 22, no. 1 (April 30, 2019): 187. http://dx.doi.org/10.17844/jphpi.v22i1.25897.

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Smoke catfish (Pangasius hypophthalmus) processing place produces waste in the form of fish entrails. Abdominal fat is the main component of fish entrails and is a source of fish oil. This study was aimed to determine the physicochemical characteristics and composition the catfish abdominal fat. The oil was extracted by rendering the abdominal fat at 70°C for 5 h followed up by purification through bentonite and active charcoal. Crude catfish oil was observed to be semi-solid in texture, yellow and fishy. The purification improved the characteristics of the fish oil. The purified fish oil was white and less fishy. Furthermore, the purification step reduced the free fatty acid content, the acid number and peroxide value up to 11; 4 and 3 fold, respectively. Palmitic, stearic and myristic acid dominated saturated fatty acid group, representing 26.22; 5.06 and 2.85% of the total fat, respectively. Meanwhile, oleic and linoleic represented 40.14 and 19.97 of the total fat, respectively and were the dominant fatty acid of the unsaturated fatty acid group.
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Ayu, Dewi Fortuna, Andarini Diharmi, and Akhyar Ali. "Characterization of the oil from the abdomen part of smoked catfish (Pangasius hypophthalmus) processing by-product." Jurnal Pengolahan Hasil Perikanan Indonesia 22, no. 1 (April 30, 2019): 187–97. http://dx.doi.org/10.17844/jphpi.v22i1.26473.

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Smoke catfish (Pangasius hypophthalmus) processing place produces waste in the form of fish entrails. Abdominal fat is the main component of fish entrails and is a source of fish oil. This study was aimed to determine the physicochemical characteristics and composition the catfish abdominal fat. The oil was extracted by rendering the abdominal fat at 70°C for 5 h followed up by purification through bentonite and active charcoal. Crude catfish oil was observed to be semi-solid in texture, yellow and fishy. The purification improved the characteristics of the fish oil. The purified fish oil was white and less fishy. Furthermore, the purification step reduced the free fatty acid content, the acid number and peroxide value up to 11; 4 and 3 fold, respectively. Palmitic, stearic and myristic acid dominated saturated fatty acid group, representing 26.22; 5.06 and 2.85% of the total fat, respectively. Meanwhile, oleic and linoleic represented 40.14 and 19.97 of the total fat, respectively and were the dominant fatty acid of the unsaturated fatty acid group.
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Adah, P. M., L. U. Onyia, and R. A. Obande. "Fish Hybridization in Some Catfishes: A Review." Biotechnology(Faisalabad) 13, no. 6 (October 15, 2014): 248–51. http://dx.doi.org/10.3923/biotech.2014.248.251.

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Fitrawati, Rahmi AM, Muhamad Musbah, Muliadin Muliadin, Roni Hermawan, Renol Renol, and Mohammad Akbar. "PENGARUH KONSENTRASI PROTEIN IKAN LELE TERHADAP KANDUNGAN KIMIA DAN ORGANOLEPTIK KERUPUK IKAN." Jurnal Pengolahan Pangan 3, no. 1 (June 30, 2018): 28–31. http://dx.doi.org/10.31970/pangan.v3i1.10.

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Catfish is one of potential fisheries products in Central Sulawesi, but this fact is not in line with community consumption level. Catfishes contain protein and fatty acid which are good for health. The use of catfishes as fish chips become one of the way out to increase the community consumption level. This research aims at knowing the effect of catfishes protein concentration toward chemical content (water content, ash content) and organoleptics. The research result shows that the treatment of catfishes protein concentration is unsignifficantly effect the water and ash content, besides the result of hedonic test shows that the concentration signifficantly effect the taste, the smell and the texture of catfish chips but unsignifficanly effect the colour of it. The treatment by adding 200 g of catfish was being the panels’ most favorite treatment with a score of 4.5 or with the rounding 5 indicated as favored.
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Vlasov, V., and I. Kulkova. "The cultivation of sharptooth catfish (Clarias gariepinus burchell) when the use of compound feed with different protein level." Glavnyj zootehnik (Head of Animal Breeding), no. 4 (April 1, 2020): 58–67. http://dx.doi.org/10.33920/sel-03-2004-08.

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It has been found as a result of the research that sharptooth catfishes grown on a highprotein diet (the 2nd variant) had a higher growth rate compared to fish that consumed low-protein, but cheap feed (the 1st variant). The average daily gains of fish in the 2nd variant of the experiment corresponded to 6,1 g/day, which was 3,4 g higher compared to the herdmates of the 1st variant. During the experiment period (60 days) the individual weight of catfishes that consumed low-protein compound feed has been increased by 160 g while fish have been grown on high-protein compound feed added 364 g, which was 2,3 times more. In the end the higher yield of fish products per unit of water area has been obtained in the 2nd variant of the experiment 271,2 kg/m[sup]3[/sup] against 118,4 kg/m[sup]3[/sup] in the 1st variant. However, economic analysis has shown that the use of expensive high-protein feed does not give a significant effect. The additional profit in the 1st variant was only 12 %. Catfishes have been grown on high-protein compound feed had the best conformation and technological indicators. They differed from their herdmates from the other variant with higher indicators of edible body parts their body contained less internal fat. High growth and better physiological condition of catfishes that consumed higher-quality protein feed are confirmed by interior, hematological and biochemical indicators. Their blood had a higher concentration of protein, hemoglobin, and fewer white blood cells. In catfishes of the 1st variant the higher level of AST and ALT enzymes has been found in the blood serum, which indicates a low protein metabolism, increased urea synthesis and the high load of work of the liver.
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Dissertations / Theses on the topic "Catfishes Catfishes Smoked fish"

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Jiang, Mingkang Wang Yifen. "Development of smoked and gelatin-based products from catfish." Auburn, Ala, 2009. http://hdl.handle.net/10415/1849.

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Diffoot, Nanette. "Corydoras aeneus: a diploid-tetraploid fish species complex." Thesis, Virginia Polytechnic Institute and State University, 1986. http://hdl.handle.net/10919/101468.

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Corydoras aeneus is an armoured catfish found in the upper amazon regions of South America. It is a member of the family Callichthyidae. Studies done with this species of fish showed that C. aeneus is a tetraploid with a chromosome number of 132 (Scheel et al. , 1972). Dunham et al. (1980) reported 120 chromosomes. The C. aeneus used in this study were bought from direct importers. We had four samples of fishes supposedly coming from Brazil (Belem), Guyana, Peru and Trinidad. During our initial studies in an attempt to karyotype aeneus we came across individuals with a highly reduced chromosome number. A diploid form of C. aeneus was discovered. Only those fishes from our Belem sample were diploid. A comparison of the diploid and tetraploid forms was done. Both forms were karyotyped, the tetraploid form of C. aeneus has 134 chromosomes and the diploid has 56. Physically both forms looked exactly the same. Morphometric as well as meristic data was collected from 131 fishes and analyzed by multivariate, discriminant and contingency chi- square analyses. The results obtained do not suggest any absolute morphological differences between the diploid and the tetraploid forms anymore than between tetraploids.
M.S.
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Haylor, Graham S. "The culture of African Catfish, Clarias gariepinus (Burchell) in Africa, with particular reference to controlled hatchery production." Thesis, University of Stirling, 1992. http://hdl.handle.net/1893/3267.

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A rationale is presented for a primary nursing strategy and an on-growing strategy for Clarias gariepinus (Burchell) culture in Africa, thus providing a potential model for the development of culture technology for the species. Existing information pertaining to the production strategies identified is reviewed, highlighting the attributes of African catfish for aquaculture. Some of the current deficiencies and inconsistencies in available information pertaining to controlled hatchery production are addressed. The early developmental stages of Clarias gariepinus are defined, in order to promote consistent use of terminology and help farmers better address the changing needs of their developing stock. The pattern of growth and survival of larvae and fry is investigated at higher stocking densities than those used experimentally to provide a database for planning full-scale commercial operations. Tank design and water flow rates appropriate for Clarias gariepinus in hatcheries are investigated and recommendations made. Finally, in order to promote maximal growth rates of hatchery stocks the maximum daily feed intake of larvae in relation to different feeding regimes is estimated based on rates of gastric evacuation and return of appetite. An overview of the controlled hatchery production of Clarias gariepinus is presented.
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Lückhoff, Paul Daniël. "Application of the condition factor in the production of African sharptooth catfish Clarias gariepinus /." Link to the online version, 2005. http://hdl.handle.net/10019/1098.

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Mullins, Margy 1958, and Margy 1958 Mullins. "Effect of frozen storage on some biochemical, ultrastructural, and textural properties of tilapia (Tilapia aureus) and catfish (Ictalarus punctatus) muscle." Thesis, The University of Arizona, 1986. http://hdl.handle.net/10150/625875.

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Britz, P. J. (Peter Jacobus) 1959. "Environmental requirements for the hatchery rearing of African catfish Clarias Gariepinus (Pisces: Clariidae) larvae and juveniles." Thesis, Rhodes University, 1988. http://hdl.handle.net/10962/d1001964.

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Inadequate seed production has historically been a factor limiting the commercial culture of Clarias gariepinus. The need to determine the environmental requirements of larvae was identified, in order to facilitate their successful mass rearing in hatcheries. The effects of key environmental factors on the growth, survival and aspects of the behaviour of C. gariepinus larvae and juveniles were investigated under controlled conditions. A strong emphasis was placed on the interpretation of the observed responses in terms of the natural history of the animal. Larvae were obtained by artificially inducing and spawning feral adult broodfish. Larval growth rates were highest in the temperature range 26-33ºC, with a peak at 30ºC. Survival of larvae was high between 22 and 33ºC. The final temperature preferendum of juveniles, determined in a thermal gradient was 30ºC, and it was concluded that this temperature is probably optimal for most of the physiological processes of the animal. Larvae and juveniles displayed strong negative phototaxis. When reared under different photoperiod regimes, larval growth increased with longer dark periods, however a similar rate of mortality was recorded in all photoperiod treatments. The provision of cover was found to enhance larval growth under conditions of continual light (24L/OD), however under conditions of continual darkness (OL/24D) similar growth rates were recorded regardless of the presence or absence of cover. All growth rates in continual darkness (OL/24D) were higher than those in continual light (24L/OD), regardless of whether cover was provided or not. It was concluded that a OL/24D photoperiod is optimal for larval rearing. At salinities between 0 and 5% similar growth and mortality rates of larvae were recorded. At 7.5 % larval growth and survival rates were lower, and at 10 % all larvae died within 48 hours. The 96h-LCSO for unionised ammonia was found to be 2.3 mg/l. The cytological effects of unionised ammonia were evident as degenerative changes in the gill and liver tissues. In an investigation of tank hygiene, it was found that larval growth and survival rates were highest in tanks not cleaned at all. As the frequency of tank cleaning increased, the growth and survival rates of larvae decreased. When reared at densities ranging from 45-450/1, larval growth was found to be density dependent. A model of hatchery productivity (number larvae of standard size produced/time/vol.) was developed based on the density dependent nature of larval growth. The model predicts that maximum productivity, will be achieved at a rearing density of 1400/1. The high growth and survival rates obtained over a broad range of each environmental parameter investigated serve to explain how larvae survive and grow in their unstable floodplain habitat in nature. The broad environmental tolerances of C. gariepinus are of benefit with respect to the culture of larvae, as successful larval rearing is possible over a fairly wide range of environmental conditions.
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German, Donovan Parks. "Beavers of the fish world can wood-eating catfishes actually digest wood? a nutritional physiology approach /." [Gainesville, Fla.] : University of Florida, 2008. http://purl.fcla.edu/fcla/etd/UFE0023785.

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Wudtisin, Idsariya. "Bottom soil quality in ponds for culture of catfish, freshwater prawn, and carp in Thailand." Auburn, Ala., 2006. http://repo.lib.auburn.edu/2005%20Fall/Dissertation/WUDTISIN_IDSARIYA_58.pdf.

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Fagbenro, Oyedapo Adewale. "Studies on the use of fermented fish silage in diets for juvenile tilapia (Oreochromis niloticus) and catfish (Clarias gariepinus)." Thesis, University of Stirling, 1994. http://hdl.handle.net/1893/1924.

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Fermented silage was prepared from a mixture of minced tiiapias (Oreochromis spp. ), different carbohydrate substrates (molasses, corn flour, tapioca flour) and Lactobacillus plantarum as inoculum, incubated anaerobically for 30 days at 5°-35°C. The pH and protein solubilization were temperature-dependent, and the source of carbohydrate substrate did not affect non-protein nitrogen (NPN) content or proximate composition of tilapla silage. During storage at 30°C for 180 days, NPN content increased and there was 8-11% loss of tryptophan. Moist diets containing tilapla silage (stored up to 60 days) were fed to Clarias gariepinus and differences in growth and protein utilization were demonstrated, but there were no effects on body composition. Partial replacement of fish meal with co-dried tilapla silage and soybean flour blend (FSS: BF) in dry diets supported growth and protein utilization similar to the control treatment. Fish growth and protein utilization were reduced with total replacement of fish meal. Apparent protein digestibility decreased with Increasing dietary level of co-dried FSS: BF. Carcass composition was not affected and morphological defects were not observed. Co-dried tilapla silage blended with soybean meal, poultry by-product meal, hydrolysed feather meal or meat and bone meal (FSS: BM, FSP: BM, FSH: FM, FSM: BM) (providing 50% of the dietary protein) In dry diets fed to Oreochromis niloticus and Clarias gariepinus gave differences In growth, protein utilization and digestibility, and apparent energy digestibility. Carcass composition was not affected by silage blend and histological examination of exocrine pancreas, liver and Intestine tissues did not show any lesions suggestive of nutritional imbalance. Haematocrit, haemoglobin content and mean cell haemoglobin concentration values showed no differences among the treatments. The results indicated that fermented tilapla silage is a suitable protein supplement in moist or dry diets for Oreochromis niloticus and Clarias gariepinus, without affecting feed efficiency, fish growth or health.
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Luckhoff, Paul Daniel. "Application of the condition factor in the production of African sharptooth catfish Clarias gariepinus." Thesis, Stellenbosch : University of Stellenbosch, 2005. http://hdl.handle.net/10019.1/3421.

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Thesis (MPhil (Animal Sciences. Aquaculture))--University of Stellenbosch, 2005.
In recent years there has been a renewed interest in the commercial culture of African Sharptooth Catfish. Its robust characteristics and its air breathing capabilities makes the African catfish a good candidate for culture in intensive recirculating systems. In light of the size variation in offspring spawned from undomesticated fish, that may eventually increase cannibalism, suitable methods for the quantification of some production performance parameters such as growth and health measurements need to be established for application in intensive catfish culture. In fish the condition factor (CF) reflects information on the physiological state of the fish in relation to its welfare. This factor is expressed as Fulton’s condition index, or the K-factor. African Sharptooth Catfish fry with average weight of 1.9g ± 0.7867 and average length of 59.375mm ±8.812 were equally allocated into ten 1000L-recirculating tanks. The fish were fed a commercial feed to apparent saturation at a frequency of 5 times per day. Sixteen fish were sampled out of each treatment. Weight (g) and length (mm) of each fish were recorded every seven days over a trial period of 175 days from which Fulton’s condition index K was calculated. Results were analysed for significant differences using one-way ANOVA and Tukey’s pair wise comparison test for the various parameters. Growth parameters (a = -5.083, b = 3.004, R2 = 99.4%) derived from the logarithmic relationship between body weight (W) and standard length (L) indicated an isometric growth through the duration of the trail. No significant differences (P>0.05) in condition factors between treatments were found at the beginning of the trail. Significant differences (P<0.05) were found at the end of the trail for weight between ponds and condition factor between treatments. No significant difference (P> 0.05) between length and treatments were found at the end of the trial. Mean condition factor was 0.856 ± 0.187. By using this information on condition factor for African catfish a K-factor calculation chart for African catfish could be calculated, to be used as a practical measurement tool to measure performance goals on catfish farms.
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Books on the topic "Catfishes Catfishes Smoked fish"

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Omole, A. J. Golden tips on catfish farming. [Ibadan]: Green Choice Agric. Publications, 2006.

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Lee, Jasper S. Commercial catfish farming. 3rd ed. Danville, Ill: Interstate Publishers, 1991.

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McVey, Eileen. Catfish farming: January 1983 - March 1991. Beltsville, Md: National Agricultural Library, 1991.

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McVey, Eileen. Catfish farming: January 1983 -March 1990. Beltsville, Md: U.S. Dept. of Agriculture, National Agricultural Library, 1990.

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Decker, Lee. Catfish farming, 1970-86: 215 citations. Beltsville, Md: U.S. Dept. of Agriculture, National Agricultural Library, 1987.

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Kaplan, Elise. Catfish farming: January 1987 - June 1992. Beltsville, Md: National Agricultural Library, 1992.

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Decker, Lee. Catfish farming, 1970-86: 215 citations. Beltsville, Md: U.S. Dept. of Agriculture, National Agricultural Library, 1987.

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Decker, Lee. Catfish farming, 1970-85: 195 citations. Beltsville, Md: U.S. Dept. of Agriculture, National Agricultural Library, 1986.

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E, Edsall Mary. Catfish farming: January 1983-April 1993. Beltsville, Md: National Agricultural Library, 1994.

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Fishing for gold: The story of Alabama's catfish industry. Tuscaloosa, Ala: University of Alabama Press, 2006.

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Book chapters on the topic "Catfishes Catfishes Smoked fish"

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Karal Marx, K., A. Rathipriya, J. K. Sundaray, and M. Muthu Abishag. "Induced Breeding and Seed Production in Catfishes." In Broodstock Management and Fish Seed Production, 83–95. CRC Press, 2020. http://dx.doi.org/10.1201/9781003111689-11.

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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by JEREMY S. TIEMANN, STEPHEN E. MCMURRAY, M. CHRISTOPHER BARNHART, and G. THOMAS WATTERS. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch62.

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<em>Abstract</em>.—Catfishes are important in freshwater ecosystems not only as consumers, but also as essential partners in symbiotic relationships with other organisms. Freshwater mollusks are among the many organisms that have interactions with catfishes. For example, ictalurids are hosts for larvae of several native freshwater mussel species. The larvae, which attach briefly to gills or fins of fish to complete their development to the free-living juvenile stage, disperse via upstream and downstream movement of host fish. In turn, freshwater mussels serve as a food source for some catfish species while other catfish species may use spent mussel shells for habitat. Ictalurids also benefit from the conservation status of many freshwater mussel species. Federal and state laws protecting these invertebrates can preserve water quality and habitat and, at times, provide incentives and funding for conservation and restoration of stream and riparian habitats.
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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by KATHRYN N. S. MCCAIN, JOSEPH W. RIDINGS, QUINTON PHELPS, and ROBERT A. HRABIK. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch12.

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<em>Abstract</em>.—Using Long Term Resource Monitoring Program data collected from impounded (Pool 26) and unimpounded (Open River) reaches of the upper Mississippi River, we investigated population dynamics of flathead catfish <em>Pylodictis olivaris</em>, channel catfish <em>Ictalurus punctatus</em>, and blue catfish <em>I. furcatus</em> from random sites located in side channel border (SCB) and main channel border (MCB) habitats. Objectives were to (1) compare trends (1993–2007) of three catfishes collected in Pool 26 and Open River reaches of the upper Mississippi River, and (2) provide needed information to managers on population dynamics through time using a binary gear approach of active (i.e., daytime electrofishing) and passive gears (hoopnetting). Active gears resulted in a higher catch per unit effort (CPUE) of all catfishes in each habitat–reach combination as compared to passive gears. Passive gears resulted in negligible catches of blue catfish and flathead catfishes (e.g., mean of <1 fish/net night). Catch per unit effort using active gear resulted in a greater number of channel catfish captured in Pool 26 compared to the Open River, with Open River SCB habitat having the lowest CPUE in most years. Blue catfish in the Open River had a higher CPUE using active gear as compared to Pool 26, with the Open River MCB having the greatest CPUE. Flathead catfish had a higher CPUE in MCB habitat compared to SCB habitat, with the Open River MCB having the highest CPUE in most years. However, declining trends in flathead catfish appears to be occurring in Open River habitats while trends in flathead catfish appear to be slightly increasing in Pool 26. The most common length-classes captured were substock and stock-sized fish regardless of habitat, species, or reach. Trends for channel catfish were easily determined due to high catch rates; however, more monitoring and enhanced sampling is needed to accurately assess flathead catfish and blue catfish trends and to accurately determine demographics for all three species.
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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by JEFFREY C. JOLLEY and ELISE R. IRWIN. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch13.

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<em>Abstract</em>.—Catfish are popular recreational fish in Alabama, and management interest has been rising. We hypothesized that tailwater habitat more closely resembling lotic conditions would provide more suitable conditions for catfishes compared to impounded habitats. We examined and compared population characteristics, including abundance, age and size structure, growth, and survival of blue catfish <em>Ictalurus furcatus</em>, channel catfish <em>I. punctatus</em>, and flathead catfish <em>Pylodictis olivaris</em> between tailwater and reservoir habitats in a section of the Coosa River in 2001–2002. Coosa River system tailwater habitats appear to generally provide higher quality environments for abundance and growth of catfishes than reservoir habitat, although results were often not consistent among species. We found no differences for many comparisons of stock descriptors between tailwater and reservoir habitat. We found that blue catfish were larger (48 mm total length larger) and flathead catfish electrofishing catch rates were higher (13 fish/h greater) in tailwater areas. Catfish populations in the Coosa River were characterized by slow growth and high longevity, findings in accord with other recent otolith-based age analyses from populations in the Southeast. All species had moderate to high annual survival (57–88%), likely indicating light exploitation levels. Catfish populations in this section of the Coosa River appear robust, and the tendency for these dam tailwaters to have higher quality catfish populations may warrant management actions to enhance/sustain these fisheries.
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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by SUSAN F. STEFFEN and KEVIN M. HUNT. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch20.

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<em>Abstract</em>.—Previous research indicates that hand grabbling does not negatively affect catfish populations in Mississippi, but hand grabbling is restricted to a season to control harvest of large fish. We conducted a mail survey from October to December 2008 to compare Mississippi hand grabbler and rod-and-reel catfish angler sociodemographics, fishing characteristics, participation patterns, and catch-related attitudes. A catch-related attitude scale was used to measure angler’s evaluation of catching fish in four constructs (catching something, catching numbers, catching large fish, and retaining fish). Results indicated that hand grabblers had stronger attitudes toward catching large fish, but rod-and-reel catfish anglers had stronger attitudes toward catching numbers. We explained that possible differences in catch-related attitudes and other characteristics were due to hand grabblers being a more specialized subworld of catfish anglers. Understanding differences in characteristics and processes through which these subworlds differed can assist with policy formation, especially if competition over resources (e.g., large, trophy catfishes) intensifies.
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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by KURT T. SMITH and GREGORY W. WHITLEDGE. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch55.

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<em>Abstract</em>.—Natural chemical markers in otoliths and fin rays have proven useful for retrospectively describing environmental history of fishes in a variety of environments. However, no studies have applied this technique to catfishes or evaluated catfish pectoral spine chemistry as a nonlethal alternative to otolith chemistry. We characterized relationships between water, otolith, and pectoral spine (articulating process) chemistry for channel catfish <em>Ictalurus punctatus</em>, flathead catfish <em>Pylodictis olivaris</em>, and blue catfish <em>I. furcatus</em> and determined the accuracy with which fish could be classified to their environment of capture using otolith and pectoral spine chemical signatures. Fish and water samples were collected from nine sites during 2009. Otolith, spine, and water samples were analyzed for Sr:Ca and Ba:Ca; otolith δ<sup>18</sup>O and δ<sup>13</sup>C and water δ<sup>18</sup>O were also measured. Water, otolith, and spine Sr:Ca were highly correlated, as were water and otolith δ<sup>18</sup>O. Relationships between water, otolith, and spine chemistry did not differ among species. Otolith Sr:Ca, δ<sup>18</sup>O, and δ<sup>13</sup>C and spine Sr:Ca differed among sites, reflecting geographic differences in water chemistry. Neither otolith nor spine Ba:Ca differed among sites despite intersite differences in water Ba:Ca. Both otolith Sr:Ca, δ<sup>18</sup>O, and δ<sup>13</sup>C and fin spine Sr:Ca classified fish to their environment of capture with a high degree of accuracy, except in the middle and lower Mississippi River where many recent immigrants appeared to be present. Natural chemical signatures in otoliths or pectoral spines will likely be effective for reconstructing environmental history of catfishes when spatial differences in water chemistry are present, enabling investigations of stock mixing and recruitment sources for these species.
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"Conservation, Ecology, and Management of Catfish: The Second International Symposium." In Conservation, Ecology, and Management of Catfish: The Second International Symposium, edited by PETER C. SAKARIS, DANIEL J. DAUGHERTY, and DAVID L. BUCKMEIER. American Fisheries Society, 2011. http://dx.doi.org/10.47886/9781934874257.ch58.

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<em>Abstract</em>.—We validated methods for estimating daily age of age-0 blue catfish <em>Ictalurus furcatus</em> and flathead catfish <em>Pylodictis olivaris</em>. Larvae of each species were reared in the laboratory and were sampled approximately every 10 d over a 4-month period. Five individuals of each species were randomly selected for daily age estimation from each of nine age-groups, ranging from 40 to 119 d posthatch for blue catfish and 20–121 d posthatch for flathead catfish. Mean daily ring count and known age were related for both species, indicating that daily ring deposition occurred in the otoliths of these fishes. Daily increment counts were accurate through 60 d posthatch for blue catfish and through 72 d posthatch for flathead catfish, with mean deviance of estimated age within 1 d of the known age. For both species, daily increments could be enumerated for older fish; however, accuracy decreased with age. We encourage researchers to utilize our aging technique to estimate hatch dates, the timing and frequency of hatching, and early growth rates of catfishes in wild populations. Such early life history information will be valuable in enhancing the management and conservation of important catfish populations.
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"Biology, Management, and Conservation of Lampreys in North America." In Biology, Management, and Conservation of Lampreys in North America, edited by Philip A. Cochran. American Fisheries Society, 2009. http://dx.doi.org/10.47886/9781934874134.ch9.

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<em>Abstract</em>.—Silver lamprey <em>Ichthyomyzon unicuspis</em> has been most strongly associated with native host species that are relatively large and have naked skin or relatively small scales, including paddlefish <em>Polyodon spathula</em>, lake sturgeon <em>Acipenser fulvescens</em>, lake trout <em>Salvelinus namaycush</em>, ictalurid catfishes, and esocids. In many regions, however, and especially in the southern part of the silver lamprey’s geographic range, these host species have declined in abundance through a combination of human impacts, and the most abundant large fish species is now the common carp <em>Cyprinus carpio</em>, an exotic species with large scales. Silver lampreys removed from paddlefish in the Wisconsin River and allowed to feed on carp in the laboratory displayed very little growth relative to lampreys in the river. Although paddlefish lack scales, skin densities of carp and paddlefish, measured as dry mass per unit area, were similar. However, dried samples of paddlefish skin displayed a substantial lipid residue, and skin density of paddlefish expressed as ash weight was less than that of carp. It is likely that increased handling time contributes to reduced growth by silver lampreys on carp. The importance of paddlefish skin lipids to silver lamprey feeding ecology should be investigated.
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"Early Life History of Fishes in the San Francisco Estuary and Watershed." In Early Life History of Fishes in the San Francisco Estuary and Watershed, edited by Frederick Feyrer. American Fisheries Society, 2004. http://dx.doi.org/10.47886/9781888569599.ch5.

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<em>Abstract.</em>—Fish larvae were sampled at multiple fixed sites from late winter to early summer over 6 years (1990–1995) in the southern Sacramento–San Joaquin Delta. A total of 394,797 fish larvae representing 15 species or taxonomic groups was collected. The assemblage was numerically dominated by three species that represented 98% of the total catch: alien shimofuri goby <em>Tridentiger bifasciatus </em>(71%), threadfin shad <em>Dorosoma petenense </em>(15%), and native prickly sculpin <em>Cottus asper </em>(12%). The abundance of native and alien species differentially clustered along environmental gradients of water temperature and river flow. Each native species (prickly sculpin, splittail <em>Pogonichthys macrolepidotus</em>, delta smelt <em>Hypomesus transpacificus</em>, longfin smelt <em>Spirinchus thaleichthys</em>, and Sacramento sucker <em>Catostomus occidentalis</em>) and one alien species (bigscale logperch <em>Percina macrolepida</em>) were associated with the early season conditions of cool water temperature and high river flow. Alien species (especially shimofuri goby, threadfin shad, and ictalurid catfishes) were associated with late season conditions of relatively warm water temperature and low river flow. Accordingly, native species dominated the assemblage February–March, while alien species dominated May–July. However, peak seasonal abundance of alien species was typically five times greater than that of native species. Seasonal succession of assemblage structure was persistent among years and was highly correlated with water temperature, a likely result of the differential spawning requirements of adult fishes. Interannually, the assemblage remained consistent over the study period despite considerable variability in delta inflow. I hypothesize, given the consistent temporal segregation between native and alien larval fish assemblages, that direct interactions such as competition between the two groups may not be a major factor influencing poor native fish recruitment in the south delta.
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