Determination of aflatoxin B1 in animal feed in dairy farms of Sabzevar District (Northeast Iran) during 2020
نویسندگان: Hossein Elyasi ©, Amirreza Parsinejad,, Rahim Golmohammadi
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Background and Aim
Aflatoxins are a class of carcinogenic mycotoxins produced by Aspergillus fungi and are known to contaminate a large portion of the world's food supply. Aflatoxin B1 (AFB1) is the most potent of these compounds and has been well-characterized to lead to the development of hepatocellular carcinoma (HCC) in humans and animals. This study was designed and performed to determine the aflatoxin B1 in livestock feed of farms around the Sabzevar.
There are about 360 farms around the Sabzevar that were divided into two groups :large (industrial) and small (traditional) farms .The sampling were performed from different food groups (concentrate, dry bread and dry forage). In order to measure aflatoxin B1in animal feed ,tests were performed by ELISA aflatoxin B1 kit (R-Biofarm, Germany) according to the manufacturer's protocol.
The average amount of aflatoxin B1 in the feed of industrial and traditional farms was 14.9 ± 2.99ng / g and 13.6 ± 2.72ng / g, respectively.
The results of this study showed that all samples of concentrate, dry forage and dry bread collected from traditional and industrial farms were contaminated and the level of contamination was higher than the national standard of Iran (5 ng / g).
Aspergillus; Aflatoxin B1; Animal feed
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