OCCURRENCE OF AFLATOXIN IN POULTRY FEED INGREDIENTS
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Authors
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C. Kathirvelan
Department of Animal Nutrition, Veterinary College and Research Institute, Namakkal-637 002.
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D. Chandrasekaran
Department of Animal Nutrition, Veterinary College and Research Institute, Namakkal-637 002
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M.R. Purushothaman
Department of Animal Nutrition, Veterinary College and Research Institute, Namakkal-637 002
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P. Vasanthakumar
Department of Animal Nutrition, Veterinary College and Research Institute, Namakkal-637 002
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P. Vasan
Department of Animal Nutrition, Veterinary College and Research Institute, Namakkal-637 002
Keywords:
Aflatoxin, Maize, Groundnut oil cake, Dried distillers grain solublesAbstract
A total of 30 maize samples, 30 deoiled rice bran (DORB), 20 groundnut oil cake (expeller) and 20 dried distillers’ grain soluble (DDGs) feeds samples were collected from different parts of Namakkal district. Aflatoxin B1 was estimated in all the samples by extracting the aflatoxin and spotted in an activated thin layer chromatography (TLC) plate with standards and ascertained the concentration by visual comparison method in a UV viewing cabinet. Among 30 samples of maize, analyzed for aflatoxin, 20 samples (60%) contained traces of aflatoxin and 8 samples contained between 10-30 ppb. Two samples contained between 50-100 ppb. Similarly, among 30 samples of DORB analyzed for aflatoxin, 24 samples contained traces of aflatoxin and five samples contained between 10-30 ppb. One sample contained between 50-100 ppb of aflatoxin. Three samples of GNC and Four samples of DDGS had 50-100 ppb of aflatoxin. It reveals that, very few samples of maize and DORB contained high level of aflatoxin. Hence the regular screening of toxins in every lot of feed prior to feeding the animals or poultry needs to be regularized.
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References
Devagowda, G (2001). Mycotoxins in hand book of Poultry Nutrition, American Soybean Association, India
Banu,N and J.Muthumary (2008). Screening of commercial feed samples for the presence of multimycotoxins. Indian Journal of Science and Technology, 1(4): 1-4.
Sundaram TK, Natarajan A, Chandrasekaran D and Mani K (2001). Feed Analytical Techniques. Laboratory Manual pp: 70 –71
Romer, R.T. (1975). Screening methods for the detection of aflatoxins in mixed feed and other agricultural commodities. J. Association of Official analytical Chemistry. 58: 500-506.
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