ASSESSMENT OF THE OCCURRENCE OF MYCOTOXINS IN LIVESTOCK FEEDS AND FEED INGREDIENTS
2022
D, Raghu | R.P, Senthilkumar | M.R, Srinivasan | C.M, Jaikanth | G, Sarathchandra
Mycotoxins are carcinogenic, mutagenic and teratogenic toxic metabolites that are known to cause detrimental effect on the health of animals consuming its contaminated feed. The objective of this study was to study the seasonal occurrence of mycotoxins, aflatoxins (B1, B2, G1 and G2), citrinin, ochratoxin A and T-2 toxin in feed and feed ingredients submitted to Pharmacovigilance Laboratory for Animal Feed and Food Safety (PLAFFS). A total of 412 samples which included feed (289) and feed ingredients (123) received during 2019-2020 were analyzed using thin layer chromatographic method. Among the 249 positive samples, the incidence of aflatoxin B1, aflatoxin B2, Aflatoxin G1 &G2, citrinin and ochratoxin A were 85.54%, 14.06%, 1.2%, 20.08%, 3.21% and 2.41% respectively and the concentration of these mycotoxins ranged between 1.14 to 899.78 μg kg-1. Only few samples were contaminated with aflatoxin G1 & G2, Ochratoxin A and T-2 toxin. Seasons had an influence on the mycotoxin contamination and the highest incidence was detected during winter, whereas, Citrinin and T-2 toxin were maximum at monsoon and summer respectively. Regular monitoring of mycotoxin contamination in animal feed is essential to prevent the entry of mycotoxins in the food chain.
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