Evaluation of aspiration method for bat brain collection for rabies diagnosis.
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2009-01-01
Autores
Goncales, J.F.
Carvalho, C.
Pedro, W.A.
Queiroz, L.H.
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The diagnosis of rabies in bats is usually performed using the brain of suspected animals. The main hypothesis tested by the present study was whether the aspiration method using a plastic pipette (Pasteur type) was effective in the collection of bat brain sample for rabies diagnosis when compared to the skull-opening method. A total of 200 bats of 4 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 the aspiration method was enough for rabies diagnosis and did not damage any skull biometric characteristics. The results demonstrate that both collection methods detected positive samples, while the aspiration method has the advantage of skull preservation, permitting the identification of the species.
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Arquivos do Instituto Biologico São Paulo. , v. 76, n. 4, p. 701-705, 2009.