2019
DOI: 10.1101/698985
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Detection of Reticuloendotheliosis Virus in Brazil

Abstract: Reticuloendotheliosis retroviruses (REV) are known to cause immunosuppressive and oncogenic disease that affects numerous avian species. REV is present worldwide and recently has 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 the first cases of REV in Brazil, detected in Muscovy ducks (Cairina moschata), wild turkeys (Meleagris gallopavo), and chickens… Show more

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Cited by 2 publications
(6 citation statements)
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“…Limphoproliferative disease virus, a retrovirus associated with tumors in wild and domestic turkeys, has also been described in turkey flocks in Europe, the Middle East, and the United States [42]. A study conducted in Brazil also detected REV in Muscovy ducks, wild turkeys, and chickens at a relatively high prevalence rate of 16.8% [44]. The impact of ALV on broiler chickens has also been reported in Malaysia [45].…”
Section: Discussionmentioning
confidence: 99%
“…Limphoproliferative disease virus, a retrovirus associated with tumors in wild and domestic turkeys, has also been described in turkey flocks in Europe, the Middle East, and the United States [42]. A study conducted in Brazil also detected REV in Muscovy ducks, wild turkeys, and chickens at a relatively high prevalence rate of 16.8% [44]. The impact of ALV on broiler chickens has also been reported in Malaysia [45].…”
Section: Discussionmentioning
confidence: 99%
“…Por último, recentemente nosso grupo de pesquisa descreveu através de ensaios moleculares, pela primeira vez no país a presença do REV isoladamente, em amostras de swab cloacal de aves das espécies: pato-selvagem (Cairina moschata), galinha (Gallus gallus domesticus) e peru-selvagem (Meleagris gallopavo), todas provenientes do norte do estado do Pará, de três cidades diferentes (Maribitana, Maracajá e Marajó). O sequenciamento parcial destas concluiu que a cepa encontrada é similar a cepa de referência APC-566, de galinhas de pradaria da região do Texas, EUA 84 .…”
Section: Históricounclassified
“…Até o presente momento existem apenas dois relatos do vírus no Brasil; um feito pelo nosso grupo, mostrando a presença do REV mais especificamente no Norte do Estado do Pará e o outro em amostras de galinhas com coinfecção de Marek e REV, no Estado de São Paulo e do Paraná 32,83,84,107 . Isso portanto, mostra que há a necessidade de mais estudos abrangendo outras regiões e Estados do Brasil, para que se tenha a real noção da circulação desse vírus no país.…”
Section: Justificativaunclassified
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