Presence of Aflatoxin M sub(1) in Raw Milk at Cattle Farms in Babol, Iran

In this study, raw cow milk samples were collected from milk churns at 40 traditional and semi-industrial cattle farms located in Babol (Northern Iran) in winter 2006. In total, 120 raw milk samples were tested for Aflatoxin M sub(1) (AFM sub(1)) contamination by competitive ELISA. In 68 out of 120...

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Bibliographic Details
Published in:Pakistan journal of biological sciences 2008-02, Vol.11 (3), p.484-486
Main Authors: Sefidgar, SAA, Azizi, G, Khosravi, A R, Roudbar-Mohammadi, S
Format: Article
Language:English
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Summary:In this study, raw cow milk samples were collected from milk churns at 40 traditional and semi-industrial cattle farms located in Babol (Northern Iran) in winter 2006. In total, 120 raw milk samples were tested for Aflatoxin M sub(1) (AFM sub(1)) contamination by competitive ELISA. In 68 out of 120 samples (56.7%) the presence of AFM sub(1) was detected by concentration ranging from 50 to 352.3 ng L super(-1). Fifty two samples (43.3%) contained AFM sub(1) at levels of 4-50 ng L super(-1) (The AFM sub(1) contamination levels were between 4-352.3 ng L super(-1) by the average of 102.73 ng L super(-1)). In general, 56.7% of samples were beyond the limit of European community regulations (50 ng L super(-1)). In other words, the AFM super(1) contamination levels in raw milk were more than twice over standard levels. The AFM sub(1) contamination levels, (>50 ng L super(-1)), in January, February and March were 40, 65 and 65%, respectively. Estimation of contamination of AFB sub(1) using AFM sub(1) in feed stuff showed that it was about 0.25 to 22 kg kg super(-1) holding the average of 46.7%, being higher than European community limit (5 kg kg super(-1)).
ISSN:1028-8880