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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Avaliação do método de sucção de encéfalo de morcegos (Chiroptera, Mammalia) para diagnóstico da raiva /

Gonçales, Juliano Ferreira. January 2008 (has links)
Orientador: Luzia Helena Queiroz da Silva / Banca: Wagner Andre Pedro / Banca: Elenice Maria Sequetin Cunha / Resumo: O diagnóstico laboratorial da raiva em morcegos é realizado utilizando-se, principalmente, o encéfalo do animal suspeito. O objetivo do presente trabalho foi testar a hipótese de que o método de aspiração com pipeta plástica (tipo Pasteur) é eficaz na obtenção de encéfalo de morcegos para a realização do diagnóstico comparado com o método tradicional de abertura de crânio. Para tanto, estudaram-se quatro espécies diferentes de morcegos, Molossus rufus (E. Geoffroy, 1805), Molossus molossus (Pallas, 1766), Artibeus lituratus (Olfers,1818) e Myotis nigricans (Schinz, 1821), totalizando 200 amostras. A quantidade de massa encefálica obtida pelo método tradicional foi significativamente maior, contudo, o material colhido pela aspiração foi suficiente para a execução do diagnóstico da doença. Ambos os métodos detectaram indivíduos positivos, sendo que o método de aspiração teve a vantagem de preservar o crânio possibilitando melhor identificação das espécies. / Abstract: Rabies diagnosis in bats is usually performed using the brain of suspected animals. The main hypothesis tested by this work was that aspiration method using plastic pipette (Pasteur type) was effective in the collection of bat brain sample for rabies diagnosis when compared to the opening skull method. A total of two hundred bats of four species were studied: Molossus rufus (E. Geoffroy, 1805), Molossus molossus (Pallas, 1766), Artibeus lituratus (Olfers, 1818) and Myotis nigricans (Schinz, 1821). The proportion of brain weight compared to body weight was statistically higher when using the traditional method, although the brain mass collected by aspiration method was enough for rabies diagnosis. Results demonstrate that independently of the collecting method, both gated to detect positive samples and the aspiration method has the advantage of skull preservation, permitting the identification of the species. / Mestre

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