Section 38
Chapter 37,242

Ectoparasites from elk (Cervus elaphus nelsoni) from Wyoming

Samuel, W.M.; Welch, D.A.; Smith, B.L.

Journal of Wildlife Diseases 27(3): 446-451


ISSN/ISBN: 0090-3558
PMID: 1920665
DOI: 10.7589/0090-3558-27.3.446
Accession: 037241688

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Hides of nine elk, collected during the winter of 1986-1987 from the National Elk Refuge, Wyoming (USA) were examined for ectoparasites. Parasites recovered were mites, Psoroptes sp. (five elk); lice, Solenopotes ferrisi and Bovicola (Bovicola) longicornis (seven elk); and winter ticks, Dermacentor albipictus (nine elk). Three elk with severe scabies had an estimated 0.6 x 10(6), 3.8 x 10(6) and 6.5 x 10(6) mites, respectively. Densities of mites were much higher in skin regions with severe dermatitis. Skin lesions on elk with scabies consisted of dense, often moist, scabs extending along the dorsal and lateral thoracic regions of the body. Lesions attributed to winter ticks consisted of broken hair and alopecia on the dorsal portion of the lower neck, often extending in a "collar" around the neck.

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