Serologic occurrence of Newcastle disease in ostriches raised in Bahia and Sao Paulo/Soroepidemiologia da doenca de Newcastle em planteis de avestruzes dos Estados da Bahia e de Sao Paulo

Serological studies in ostriches (Struthio camelus) are important tools to assess the risk of Newcastle disease in these herds and to the national poultry industry. In the present study blood samples were obtained from male and female ostriches without symptoms of the disease, raised in Bahia and Sa...

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Veröffentlicht in:Ciência rural 2010-01, Vol.40 (1)
Hauptverfasser: Fernandes, Lia Muniz Barretto, da Silva, Priscila Sousa, Ramos, Izabella, Sales, Tatiane Santana, Herval, Elen Fabiane Guimaraes, Batinga, Thais de Brito, Maia, Paulo Cesar Costa, Cesar, Andre Eduardo Rocha, Doretto, Jr., Luciano, Meyer, Roberto, Freire, Songeli Menezes
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Zusammenfassung:Serological studies in ostriches (Struthio camelus) are important tools to assess the risk of Newcastle disease in these herds and to the national poultry industry. In the present study blood samples were obtained from male and female ostriches without symptoms of the disease, raised in Bahia and Sao Paulo in order to evaluate the presence of antibodies against Newcastle disease virus using an indirect ELISA. There were collected 339 samples in Bahia and 105 samples in Sao Paulo. Although the owners guarantee that animals were not vaccinated, it was verified the presence 17,9% positives in Bahia and 4,7% in Sao Paulo, suggesting contact with vaccinal or field strain. Key words: ostrich, Newcastle disease, ELISA, diagnosis. Estudos sorologicos em Avestruzes (Struthio camelus) sao ferramentas uteis para analisar os riscos relacionados a Doenca de Newcastle nesses planteis e a avicultura nacional. No presente estudo, amostras de sangue foram obtidas de avestruzes de ambos os sexos, de diferentes faixas etarias e sem apresentacao de sintomatologia clinica, criadas nos Estados da Bahia e de Sao Paulo com o objetivo de avaliar a presenca de anticorpos contra o virus da Doenca de Newcastle por meio de ELISA indireto. Foram testadas 339 amostras provenientes do Estado da Bahia e 105 amostras do Estado de Sao Paulo. Apesar de os proprietarios afirmarem que nao foi utilizada vacina em seus animais, foi verificada positividade na Bahia de 17,9% e de 4,7°% em Sao Paulo, em avestruzes, sugerindo contato com virus vacinal ou de campo. Palavras-chave: avestruz, doenca de Newcastle, ELISA, diagnostico.
ISSN:0103-8478