Avian pox in crimson rosellas (Platycercus elegans) in southern Australia

Poxviral infection was identified in a crimson rosella presented to the Australian Wildlife Health Centre (Victoria) in 2002, and from a second crimson rosella in 2008. Both cases were characterized by proliferative lesions on non-feathered skin. Routine histopathology identified intra-lesional epid...

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Bibliographic Details
Published in:Avian pathology 2013-04, Vol.42 (2), p.147-150
Main Authors: Slocombe, R. F, McCowan, C, Wang, J, Holz, P
Format: Article
Language:English
Subjects:
Animals
Avian flu
Avipoxvirus - genetics
Avipoxvirus - pathogenicity
Bird Diseases - pathology
Bird Diseases - virology
Birds
Deoxyribonucleic acid
DNA
electron microscopy
Electrophoresis - veterinary
genetic techniques and protocols
genome
Genomes
histopathology
Microscopy, Electron - veterinary
Parrots
Polymerase Chain Reaction - veterinary
Poxviridae
Poxviridae Infections - pathology
Poxviridae Infections - veterinary
Victoria
Viral Core Proteins - genetics
Virulence
wildlife
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Summary:Poxviral infection was identified in a crimson rosella presented to the Australian Wildlife Health Centre (Victoria) in 2002, and from a second crimson rosella in 2008. Both cases were characterized by proliferative lesions on non-feathered skin. Routine histopathology identified intra-lesional epidermal changes consistent with those caused by poxvirus. Electron microscopy confirmed the presence of poxvirus in inclusions in the first case, and genetic analysis of DNA extracted from both cases found an identical viral genome that differs from all other known poxviruses. We conclude that this infection in crimson rosellas is caused by a previously unrecognized avian poxvirus endemic to this region of Australia, and with low virulence.
ISSN:1465-3338
0307-9457
1465-3338
DOI:10.1080/03079457.2013.773581