Avian polyomavirus infection of a fledgling budgerigar (Melopsittacus undulatus) and differential diagnoses of viral inclusions in psittacine birds - case report and mini-review = Aviäre Polyomavirusinfektion bei einem jungen Wellensittich (Melopsittacus undulatus) und Differenzialdiagnostik viraler Einschlusskörperchen in Psittaciden - Fallbericht und Mini- Review

Herder, V. , König, A., Seehusen, F. and Wohlsein, P. (2011) Avian polyomavirus infection of a fledgling budgerigar (Melopsittacus undulatus) and differential diagnoses of viral inclusions in psittacine birds - case report and mini-review = Aviäre Polyomavirusinfektion bei einem jungen Wellensittich (Melopsittacus undulatus) und Differenzialdiagnostik viraler Einschlusskörperchen in Psittaciden - Fallbericht und Mini- Review. Berliner und Munchener Tierarztliche Wochenschrift, 124(5-6), pp. 209-216. (doi: 10.2376/0005-9366-124-209)

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Abstract

A two-week-old budgerigar (Melopsittacus undulatus) of an outdoor aviary diedsuddenly and was submitted for determination the cause of illness and death.Macroscopically, the sparsely feathered animal was in a poor body condition.Histopathological examination revealed in various mesenchymal and epithelialtissues, numerous up to 15 amp;#956;m in diameter large intranuclear, amphophilic tobasophilic inclusion bodies with a clearing of the centre. Additionally, a featherdysplasia and retention hyperkeratosis of feather follicles was found. Ultrastructurally,viral particles of approximately 35 nm in diameter were detected in thefeather follicle epithelium. A PCR for Avian Polyomavirus on fresh skin sampleswas negative whereas on formalin-fixed kidney samples with a high amount ofviral inclusion bodies yielded a positive result. In addition, viral inclusion bodydiseases, like Avian Poxvirus, Psittacine Beak and Feather disease virus, AvianAdenovirus, Psittacine Herpesvirus and papillomavirus of psittacines are summarizedand compared in the present article.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Herder, Dr Vanessa
Authors: Herder, V., König, A., Seehusen, F., and Wohlsein, P.
College/School:College of Medical Veterinary and Life Sciences > School of Infection & Immunity > Centre for Virus Research
Journal Name:Berliner und Munchener Tierarztliche Wochenschrift
Publisher:Schlütersche Verlagsgesellschaft mbH & Co. KG
ISSN:0005-9366

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