Avaliação da ultraestrutura e ação de desinfetantes em Trypanosoma vivax (Ziemann, 1905)
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2017-07-31
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Universidade Federal de Goiás
Resumo
Trypanosoma vivax (Ziemann, 1905) is a protozoon responsible for causing trypanosomiasis
in bovines, a disease currently increasing in Brazil and, in the state of Goiás, it was first
identified in 2015. As it causes abortion, lethality and greatly diminishes milk production,
trypanosomiasis may cause significant losses to farmers, especially those working with milk
production. However, there is not much information about this protozoon in Brazil. As it is
necessary to gather more knowledge about isolates in the country to evaluate the disease real
prevalence, impact in economy and, more importantly, develop control programs, this work
proposed evaluate the morphometry of this parasite in scanning electron microscopy and the
efficacy of different disinfectants in its elimination. Scanning electron microscopy is a highresolution
technique used to analyze the external structures of the parasite, which shows
morphometric differences between Latin America and Brazilian isolates. In this work, it was
shown that there is no size difference among isolates found in Brazil and Goiás. The results of
disinfectants efficacy evaluation to eliminate this agent have shown that many disinfectants
commonly found in the market may be used. This information may be applied directly in
farms to help control infection focus and contribute in reducing the disease impact in
Brazilian milk production.
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MADRID, D. M. C. Avaliação da ultraestrutura e ação de desinfetantes em Trypanosoma vivax (Ziemann, 1905). 2017. 37 f. Dissertação (Mestrado em Ciência Animal) - Universidade Federal de Goiás, Goiânia, 2017.