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Article: Excretion of aflatoxin M1 in milk of dairy ewes treated with different doses of aflatoxin B1
- Article from:
- Journal of Dairy Science
- Article date:
- August 1, 2003
- Author:
CopyrightCopyright American Dairy Science Association Aug 2003. Provided by ProQuest LLC. (Hide copyright information)
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ABSTRACT
Two experiments were conducted to study the amount of aflatoxin M1 (AFM1) in milk in response to feeding aflatoxin B1 (AFB1). In experiment 1, four dairy ewes in early lactation received a single dose of pure AFB1 (2 mg). Individual milk samples were collected during the following 5 d to measure AFMl concentration. The average excretion of AFM1 in milk followed an exponential decreasing pattern, with two intermediate peaks at 24 and 48 h. No AFM1 was detected in milk at 96 h after dosing. The mean rate of transfer of AFB1 into AFM1 in milk was 0.032%, with a high individual variability (SD = 0.017%).
In experiment 2, 16 dairy ewes in midlactation were divided into four groups that ...