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Experimental infection with Brazilian Newcastle disease virus strain in pigeons and chickens BJM
Carrasco,Adriano de Oliveira Torres; Seki,Meire Christina; Benevenute,Jyan Lucas; Ikeda,Priscila; Pinto,Aramis Augusto.
Abstract This study was designed with the goal of adding as much information as possible about the role of pigeons (Columba livia) and chickens (Gallus gallus) in Newcastle disease virus epidemiology. These species were submitted to direct experimental infection with Newcastle disease virus to evaluate interspecies transmission and virus-host relationships. The results obtained in four experimental models were analyzed by hemagglutination inhibition and reverse transcriptase polymerase chain reaction for detection of virus shedding. These techniques revealed that both avian species, when previously immunized with a low pathogenic Newcastle disease virus strain (LaSota), developed high antibody titers that significantly reduced virus shedding after...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Gallus gallus; Columba livia; Experimental infection; RT-PCR; Serology.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000100231
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Survey on Chlamydophila psittaci in captive ramphastids in São Paulo State, Brazil Ciência Rural
Raso,Tânia de Freitas; Ferreira,Vivian Lindmayer; Teixeira,Rodrigo Hidalgo Friciello; Pinto,Aramis Augusto.
Chlamydophila psittaci (C. psittaci) has been detected in 460 avian species, among them the most frequent are the Psittaciformes, Columbiformes, Anseriformes and raptors. In Brazil, the main avian species recognized as healthy carriers belong to the order Psittaciformes and Columbiformes, but very few studies have been done in other bird families. Reports of the occurrence of this disease in the clinical form are rare in the Ramphastids; consequently, they are not commonly evaluated for this agent. The present study reports the investigation of C. psittaci in 25 captive ramphastids from a zoological park in São Paulo State, Brazil. Swabs samples from the cloaca were submitted to semi-nested polymerase chain reaction (semi-nested PCR) for direct detection...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Aracaris; Chlamydiosis; Chlamydophila psittaci; Ramphastids; Toucans.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782012000700018
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