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Related Experiment Videos

Discrepancies between bone ash and toe ash during aflatoxicosis.

W E Huff

    Poultry Science
    |October 1, 1980
    PubMed
    Summary

    Aflatoxin exposure in broiler chicks significantly decreased bone mineralization. While toe ash increased, it did not accurately reflect bone ash levels, highlighting potential misinterpretations in toxicity studies.

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    Area of Science:

    • Animal Nutrition
    • Toxicology
    • Biochemistry

    Background:

    • Aflatoxins are toxic secondary metabolites produced by Aspergillus fungi.
    • Poultry are susceptible to aflatoxicosis, impacting growth and health.
    • Bone mineralization is crucial for skeletal integrity in growing animals.

    Purpose of the Study:

    • To investigate the effects of graded aflatoxin levels on bone and toe ash in broiler chicks.
    • To determine if toe ash can serve as a reliable indicator of bone mineralization under aflatoxin exposure.
    • To elucidate the impact of aflatoxin on bone mineralization processes.

    Main Methods:

    • Broiler chicks were fed diets containing varying concentrations of aflatoxin (0 to 10.0 µg/g).
    • Tibias and middle toes were collected from chicks aged 1 to 3 weeks.
    • Bone ash and toe ash content, along with toe lipid levels, were determined.

    Main Results:

    • Aflatoxin levels of 2.5 ppm and above significantly increased toe ash.
    • Concurrently, bone ash significantly decreased at aflatoxin levels of 2.5 ppm and above.
    • Increased toe ash was partially linked to decreased toe lipid levels, suggesting altered tissue composition.

    Conclusions:

    • Aflatoxin significantly inhibits bone mineralization in broiler chicks.
    • Toe ash determination alone may not accurately reflect bone mineralization status in all experimental contexts.
    • Careful interpretation of toe ash data is necessary in aflatoxin toxicity assessments.

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