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Related Experiment Videos

Distal extremity necrosis in captive birds.

P P Calle, R J Montali, D L Janssen

    Journal of Wildlife Diseases
    |October 1, 1982
    PubMed
    Summary

    Distal extremity necrosis (DEN) in birds often follows trauma or frostbite. Some cardiovascular issues may also cause DEN by affecting circulation to the extremities.

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    Area of Science:

    • Veterinary Pathology
    • Avian Medicine
    • Zoological Medicine

    Background:

    • Necropsy records from zoological institutions reveal cases of distal extremity necrosis (DEN) in birds.
    • DEN is characterized by tissue death in the extremities, commonly affecting toes, feet, and beaks.

    Purpose of the Study:

    • To investigate the incidence and potential causes of distal extremity necrosis (DEN) in birds housed in zoological collections.
    • To identify predisposing factors and pathological mechanisms associated with DEN.

    Main Methods:

    • Review of necropsy files from the National Zoological Park and Baltimore Zoological Society.
    • Analysis of clinical and pathological findings in avian cases diagnosed with DEN.

    Main Results:

    • Nineteen cases of DEN were identified, with most linked to trauma or frostbite.
    • Six cases presented as primary DEN with no apparent clinical predisposing factors.
    • Cardiovascular lesions were implicated as a potential predisposing factor by compromising peripheral circulation.

    Conclusions:

    • DEN in birds can result from external factors like trauma and frostbite, or potentially from underlying cardiovascular disease.
    • Further research into the cardiovascular links could improve prevention and treatment strategies for DEN in avian populations.

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