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Arq. bras. med. vet. zootec. (Online) ; 71(1): 225-231, jan.-fev. 2019. tab
Article in Portuguese | LILACS, VETINDEX | ID: biblio-989388

ABSTRACT

As aves silvestres podem ser reservatório de bactérias patogênicas e atuar como veiculadoras desses microrganismos para o ambiente, os animais domésticos e o homem. Portanto, o objetivo deste trabalho foi verificar a ocorrência de Campylobacter spp., Yersinia enterocolitica e Salmonella enterica em aves silvestres capturadas nas áreas próximas de aviários e em frangos de corte alojados nesses estabelecimentos, além de verificar a presença dos genes cdtA, cdtB e cdtC nos isolados de Campylobacter e identificar os sorotipos de Salmonella encontrados. Amostras de fezes de 189 aves silvestres capturadas com redes de neblina nas áreas próximas de 10 aviários e de 200 frangos de corte foram processadas para pesquisa de Campylobacter spp., S. enterica e Y. enterocolitica. Duas espécies de aves silvestres, Sicalis flaveola (canário-da-terra) e Zonotrichia capensis (tico-tico), foram positivas para Salmonella e Campylobacter, respectivamente. Foram isolados Campylobacter spp., S. enterica e Y. enterocolitica de frangos. Todos os isolados de Campylobacter analisados apresentaram os genes cdt. Em dois aviários, Campylobacter foi isolado tanto de frangos como de aves silvestres, entretanto a contaminação mútua entre essas aves não foi comprovada. Este foi o primeiro relato de isolamento de Campylobacter de Z. capensis e de Salmonella do sorotipo Derby de S. flaveola.(AU)


Wild birds can be reservoirs of pathogenic bacteria and act as carriers of these microorganisms to the environment, domestic animals, and humans. Therefore, this study had as objective to verify the occurrence of Campylobacter spp., Yersinia enterocolitica and Salmonella enterica in wild birds captured in the surroundings of the aviaries and in the broilers housed in these establishments. The presence of the cdtA, cdtB and cdtC genes in Campylobacter isolates was also investigated and Salmonella serotypes were identified. Stool samples from 189 wild birds captured with mist nets in around 10 aviaries and from 200 broilers were processed for Campylobacter spp., S. enterica and Y. enterocolitica research. Two species of wild birds, Sicalis flaveola (Saffron Finch) and Zonotrichia capensis (Rufous-collared Sparrow) were positive for Salmonella and Campylobacter, respectively. Campylobacter spp., S. enterica and Y. enterocolitica were isolated from broilers. The cdt genes were found in all Campylobacter isolates. In two aviaries, Campylobacter was isolated from both broilers and wild birds, however the mutual contamination among these birds has not been shown. This was the first report of Campylobacter isolation from Z. capensis and of Derby Salmonella serotype isolation from S. flaveola.(AU)


Subject(s)
Birds/microbiology , Campylobacter/pathogenicity , Enterobacteriaceae/pathogenicity
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