Vet Med - Czech, 2005, 50(6):276-280 | DOI: 10.17221/5624-VETMED

Co-infection with papillomavirus and Knemidokoptes jamaicensis (Acari: Knemidokoptidae) in a chaffinch (Fringilla coelebs) and a case of beak papillomatosis in another chaffinch

I. Literak1, B. Smid2, F. Dusbabek3, R. Halouzka4, L. Novotny4
1 Department of Biology and Wildlife Diseases, Faculty of Veterinary Hygiene and Ecology,
4 Department of Pathological Morphology, Faculty of Veterinary Medicine, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic 2Veterinary Research Institute, Brno, Czech Republic 3Institute of Parasitology, Academy of Sciences of the Czech Republic, Ceske Budejovice, Czech Republic

Nodular papillomatous lesions combined with proliferation and formation of scales and crusts were observed on both tarsi of a dead chaffinch (Fringilla coelebs) found in February 2004 in the eastern part of the Czech Republic. Electron microscopic examination demonstrated the presence of papillomavirus virions in the lesions. The parasitological examination of crust scraps revealed the presence of mites Knemidokoptes jamaicensis. Skin lesions were caused by a co-infection with the two pathogens. This paper is the first report of such a co-infection. In another chaffinch netted in May 2004 in the northern part of the Czech Republic, marked papillomatous lesions were found at the base of the beak. Proliferation of basal epidermal cells with sporadic intranuclear inclusions in the keratinocytes of stratum granulosum of the epidermis observed in the histopathological examination was suggestive of a viral aetiology of the papillomatous lesions. This is the first reported case of beak papillomatosis in the chaffinch.

Keywords: bird; Czech Republic; disease; mite; parasite; virus

Published: June 30, 2005  Show citation

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Literak I, Smid B, Dusbabek F, Halouzka R, Novotny L. Co-infection with papillomavirus and Knemidokoptes jamaicensis (Acari: Knemidokoptidae) in a chaffinch (Fringilla coelebs) and a case of beak papillomatosis in another chaffinch. Vet Med - Czech. 2005;50(6):276-280. doi: 10.17221/5624-VETMED.
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