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Poxvirus Infection in a Colony of Laboratory Pigeons ().

Authors:
Brianne M Hibl Rebecca S Blackwood Brian W Simons Dalis E Collins

Comp Med 2019 05 18;69(3):179-183. Epub 2019 Mar 18.

Center for Comparative Medicine, Baylor College of Medicine, Houston, Texas.

Pigeons () are used in biomedical research for studies of vision, cognition, neuronal pathways, and spatial orientation. Because there are few commercial laboratory sources, research pigeons are typically acquired from local fancier breeders or bred onsite. For acquired pigeons, the health and vaccine status is often unknown. A juvenile pigeon, born onsite and living in an enclosed outdoor loft, presented with small, bleeding, wart-like lesions on the medial aspects of digits 1 and 4. Topical treatment was initiated. Within a week, 4 fledglings were reported for small, dark papular lesions on the face, head, neck, and beak, and shortly thereafter, 2 additional juvenile pigeons developed similar lesions. The fledglings were euthanized, and histologic examination revealed numerous intralesional eosinophilic cytoplasmic viral inclusions (Bollinger bodies) confirming a diagnosis of poxvirus infection, likely pigeon pox. Although usually self-limiting, pigeon pox can cause moderate to severe lesions in fledgling and juvenile birds. Vaccination with a modified live poxvirus labeled for chickens was used to create herd immunity to pigeon poxvirus. Since vaccination of our entire flock and implementation of more stringent health protocols, all lesions have resolved, and no new lesions have been noted.

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http://dx.doi.org/10.30802/AALAS-CM-18-000074DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6591677PMC
May 2019

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