THADEUA GREENI–ASSOCIATED DERMATITIS IN AN EASTERN BETTONG (BETTONGIA GAIMARDI)

Timothy J. Portas; David Taylor; David M. Spratt

doi:10.1638/2014-0251R.1

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Timothy J. Portas,^*,** David Taylor,^** David M. Spratt^**

^*Correspondence should be directed to Dr. Portas (tandsportas@bigpond.com).
^**From the Veterinary and Research Centre, Tidbinbilla Nature Reserve, R.M.B. 141, Via Tharwa, Australian Capital Territory 2620, Australia (Portas); Vetnostics, 60 Waterloo Road, North Ryde, New South Wales 2113 Australia (Taylor); and Australian National Wildlife Collection, Commonwealth Scientific and Industrial Research Organisation National Wildlife Research Facilities Australia, G.P.O. Box 1700, Canberra, Australian Capital Territory 2601, Australia (Spratt).

Abstract

An adult female bettong (Bettongia gaimardi) presented with extensive alopecia and dermatitis affecting the ventral and lateral aspects of the neck and thorax. Microscopic examination of skin scrapings collected from the affected area revealed large numbers of the dermanyssid mite Thadeua greeni. A histopathologic diagnosis of chronic proliferative and hyperkeratotic perivascular dermatitis with intralesional mites was returned. Treatment with a combination of topical fipronil and parenteral ivermectin weekly for 3 wk resulted in the resolution of clinical signs and apparent elimination of the mite.

American Association of Zoo Veterinarians

Citation Download Citation

Timothy J. Portas, David Taylor, and David M. Spratt "THADEUA GREENI–ASSOCIATED DERMATITIS IN AN EASTERN BETTONG (BETTONGIA GAIMARDI)," Journal of Zoo and Wildlife Medicine 46(2), 435-437, (1 June 2015). https://doi.org/10.1638/2014-0251R.1

Received: 29 December 2014; Published: 1 June 2015

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