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Related Experiment Videos

Aflatoxicosis in feedlot cattle.

G D Osweiler, D W Trampel

    Journal of the American Veterinary Medical Association
    |September 15, 1985
    PubMed
    Summary
    This summary is machine-generated.

    A large aflatoxicosis outbreak in feedlot cattle, caused by contaminated cottonseed feed, resulted in significant hepatic damage and death. This highlights the critical need for stringent quality control in animal feed to prevent mycotoxin contamination.

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    Area of Science:

    • Veterinary Medicine
    • Animal Nutrition
    • Toxicology

    Background:

    • Aflatoxicosis, a disease caused by aflatoxins, poses a significant threat to livestock health.
    • Contaminated feed ingredients, such as cottonseed, are common sources of aflatoxin exposure in cattle.

    Purpose of the Study:

    • To diagnose and describe a large-scale outbreak of aflatoxicosis in feedlot cattle.
    • To identify the source and concentration of aflatoxin contamination in feed products.
    • To emphasize the importance of feed quality control in preventing mycotoxin-related diseases.

    Main Methods:

    • Clinical examination of affected cattle and post-mortem liver examination.
    • Analysis of feed samples for aflatoxin concentration (ng/g).
    • Detection of aflatoxin B1 and M1 in urine and liver tissues of affected animals.

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    Main Results:

    • Over 200 out of 14,000 cattle exhibited signs of hepatic damage and mortality.
    • Aflatoxin concentrations in feed ranged from 96 to 1,700 ng/g.
    • Characteristic liver lesions and aflatoxin B1/M1 presence confirmed the diagnosis.

    Conclusions:

    • Aflatoxin-contaminated cottonseed and gin trash caused a major aflatoxicosis outbreak in feedlot cattle.
    • Effective quality control measures for feed products are essential to prevent widespread animal health issues and economic losses.