Detection of Reticuloendotheliosis Virus in Muscovy Ducks, Wild Turkeys, and Chickens in Brazil

Reticuloendotheliosis viruses (REVs) are known to cause immunosuppressive and oncogenic disease that affects numerous avian species. Reticuloendotheliosis viruses are present worldwide and recently have been reported in South America with cases of infected commercial flocks in Argentina. We surveyed...

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Veröffentlicht in:Journal of wildlife diseases 2020-07, Vol.56 (3), p.631-635
Hauptverfasser: Caleiro, Giovana S., Nunes, Cristina F., Urbano, Paulo R., Kirchgatter, Karin, de Araujo, Jansen, Durigon, Edison Luiz, Thomazelli, Luciano M., Stewart, Brittany M., Edwards, Dustin C., Romano, Camila M.
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Sprache:eng
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Zusammenfassung:Reticuloendotheliosis viruses (REVs) are known to cause immunosuppressive and oncogenic disease that affects numerous avian species. Reticuloendotheliosis viruses are present worldwide and recently have been reported in South America with cases of infected commercial flocks in Argentina. We surveyed for the presence of REV in birds from a state in the northern region of Brazil using real-time PCR. We report here the presence of REV in Brazil, detected in Muscovy Ducks (Cairina moschata), Wild Turkeys (Meleagris gallopavo), and chickens (Gallus gallus) at a relatively high prevalence (16.8%). Phylogenetic analysis indicated a close relationship of these strains to variants in the US. This study provides evidence of REV in the Amazon biome and provides a baseline for future surveillance of the virus in the region and throughout Brazil.
ISSN:0090-3558
1943-3700
DOI:10.7589/2019-04-088