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Psoroptic mange in a Wapiti.

D A Colwell, J S Dunlap

    Journal of Wildlife Diseases
    |January 1, 1975
    PubMed
    Summary

    A 10-year-old wapiti (Cervus canadensis nelsoni) in Idaho died from Psoroptes equi var. cervinus mite infestation. This parasite caused neurological signs and hair loss in the affected elk.

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    Area of Science:

    • Veterinary Parasitology
    • Wildlife Health
    • Mammalian Pathology

    Background:

    • Wapiti (Cervus canadensis nelsoni) are large ungulates native to North America.
    • Parasitic infestations can cause significant morbidity and mortality in wildlife populations.
    • Dermal parasites can lead to secondary complications and impact animal welfare.

    Purpose of the Study:

    • To report a case of Psoroptes equi var. cervinus infestation in a wapiti.
    • To document the clinical signs associated with this parasitic infection in elk.
    • To highlight the diagnostic findings in a case of severe mite infestation.

    Main Methods:

    • Necropsy and post-mortem examination of a deceased wapiti.
    • Microscopic examination of dermal tissue samples.
    • Identification of the causative parasitic agent.

    Main Results:

    • The wapiti exhibited clinical signs of ataxia and alopecia prior to death.
    • Dermal examination confirmed a severe infestation with Psoroptes equi var. cervinus mites.
    • The findings indicate a significant parasitic burden contributing to the animal's demise.

    Conclusions:

    • Psoroptes equi var. cervinus can cause severe clinical disease in wapiti.
    • Parasitic dermatitis should be considered in the differential diagnosis for neurological and dermatological signs in elk.
    • Effective parasite management is crucial for wildlife health.

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