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Characterization of Avian Pox in a Ruffed Grouse (Bonasa umbellus) from Pennsylvania.
Robinson, Corissa A; Dunn, Patricia A; Williams, Lisa M; Poulson, Rebecca L; Miller, Erica A; Brown, Holly M; Brown, Justin D.
Afiliação
  • Robinson CA; Animal Diagnostic Laboratory, Penn State University, University Park, PA 16802.
  • Dunn PA; Animal Diagnostic Laboratory, Penn State University, University Park, PA 16802.
  • Williams LM; Pennsylvania Game Commission, Harrisburg, PA 17110.
  • Poulson RL; Southeastern Cooperative Wildlife Disease Study, Athens, GA 30602.
  • Miller EA; Wildlife Futures Program, University of Pennsylvania, Kennett Square, PA 19348.
  • Brown HM; Metzger Animal Hospital, State College, PA 16801.
  • Brown JD; College of Agricultural Sciences, Penn State University, University Park, PA 16802, jdb56@psu.edu.
Avian Dis ; 65(3): 453-455, 2021 09.
Article em En | MEDLINE | ID: mdl-34699142
ABSTRACT
A free-ranging, adult male ruffed grouse (Bonasa umbellus) was harvested by a hunter during November 2019 in Forest County, PA. The bird was submitted for necropsy due to a skin mass on its left leg. Upon necropsy, two proliferative skin masses were grossly visible, one on the left leg and one on the cere. An additional mass was present on the oropharyngeal mucosa covering the hard palate. These masses were diagnosed as avian pox based on histopathologic and cytologic findings, including marked epithelial hypertrophy, hyperplasia, vacuolar degeneration with eosinophilic stippling, and intracytoplasmic inclusion bodies. An avipoxvirus was detected using PCR and was identified as fowlpox virus through sequencing of the 4b core gene segment. The avipoxvirus from this case showed genetic similarity to isolates from Eastern wild turkeys (Meleagris gallopavo silvestris).
RESUMEN
Caracterización de la viruela aviar en un grévol engolado (Bonasa umbellus) en el estado de Pensilvania. Un cazador recolectó un grévol engolado macho adulto silvestre (Bonasa umbellus) durante noviembre del 2019 en el condado de Forest, Pensilvania. El ave fue sometida a necropsia debido a una masa cutánea en su pata izquierda. Durante la necropsia, dos masas cutáneas proliferativas fueron claramente visibles, una en la pierna izquierda y otra en la cera. Había una masa adicional en la mucosa orofaríngea que cubría el paladar duro. Estas masas se diagnosticaron como viruela aviar con base en los hallazgos histopatológicos y citológicos, que incluyeron hipertrofia epitelial marcada, hiperplasia, degeneración vacuolar con punteado eosinofílico y cuerpos de inclusión intracitoplasmáticos. Se detectó un avipoxvirus mediante PCR y se identificó como virus de la viruela aviar mediante la secuenciación del segmento del gene 4b del centro viral. El avipoxvirus de este caso mostró similitud genética con aislamientos de pavos salvajes del este (Meleagris gallopavo silvestris).
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Doenças das Aves / Avipoxvirus / Infecções por Poxviridae Tipo de estudo: Prognostic_studies Limite: Animals País/Região como assunto: America do norte Idioma: En Revista: Avian Dis Ano de publicação: 2021 Tipo de documento: Article

Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Assunto principal: Doenças das Aves / Avipoxvirus / Infecções por Poxviridae Tipo de estudo: Prognostic_studies Limite: Animals País/Região como assunto: America do norte Idioma: En Revista: Avian Dis Ano de publicação: 2021 Tipo de documento: Article