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Rickets in turkey poults.

C Riddell

    Avian Diseases
    |April 1, 1983
    PubMed
    Summary

    Rickets outbreaks in turkey poults were linked to feed issues, not just vitamin D or calcium deficiency. Supplementing vitamin D effectively treated affected poults, suggesting feed processing or distribution problems.

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    Area of Science:

    • Avian pathology
    • Poultry nutrition
    • Veterinary medicine

    Background:

    • Rickets is a significant skeletal disorder in young poultry.
    • Outbreaks of rickets in turkey poults have been reported.
    • Nutritional deficiencies, particularly vitamin D and calcium, are common causes.

    Purpose of the Study:

    • To investigate the causes of rickets outbreaks in turkey poults.
    • To determine the role of feed and vitamin D in these outbreaks.
    • To evaluate the effectiveness of vitamin D supplementation in treating rickets.

    Main Methods:

    • Diagnosis of rickets in turkey poults over a four-year period.
    • Chemical analysis of feed for calcium, phosphorus, and vitamin premixes.
    • Biological feed testing to assess vitamin D availability.
    • Clinical observation and response to vitamin D supplementation.

    Main Results:

    • Fifteen outbreaks of rickets occurred in Saskatchewan turkey poults (1978-1981).
    • Chemical analysis showed adequate nutrient levels, but biological tests implicated feed in five outbreaks.
    • Vitamin D supplementation in drinking water or by injection significantly reduced rickets severity.

    Conclusions:

    • Feed-related factors, including vitamin D distribution or destruction during processing, likely contributed to rickets.
    • Inadequate vitamin D in feed or interference with its utilization are probable causes.
    • Vitamin D supplementation is an effective treatment for rickets in turkey poults.

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