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Rev. bras. parasitol. vet ; 20(1): 85-87, jan.-mar. 2011. ilus
Article in English | LILACS | ID: lil-608263

ABSTRACT

The blood infection by Trypanosoma sp. in tuvira (Gymnotus aff. inaequilabiatus) from the Pantanal wetland was reported in this study. Ten fish from the Paraguay River in the Pantanal were evaluated for the presence of hemoflagellates. Trypomastigotes of Trypanosoma sp. were observed in blood smears from three fish (30 percent prevalence) and some forms were seen to be undergoing division. Using the diagnostic methods of fresh examination and blood centrifugation in hematocrit capillary tubes, the prevalence rate was 80 percent. This is the first report of Trypanosoma sp. in tuvira in Brazil.


O objetivo do presente estudo foi reportar a infecção por Trypanosoma sp. em tuviras (Gymnotus aff. inaequilabiatus) oriundas do Pantanal Sul-mato-grossense, Brasil. Dez peixes provenientes do rio Paraguai, Pantanal Sul-mato-grossense, foram avaliados quanto à presença de hemoflagelados. Tripomastigotas de Trypanosoma sp. foram observados nas extensões sanguíneas de três peixes (30 por cento de prevalência), e algumas formas encontravam-se em divisão. Por meio do exame a fresco e da centrifugação do sangue em capilar de hematócrito como métodos para diagnóstico, a taxa de prevalência foi de 80 por cento. Esse é o primeiro relato de Trypanosoma sp. em tuviras no Brasil.


Subject(s)
Animals , Euglenozoa Infections/veterinary , Fish Diseases/parasitology , Gymnotiformes/parasitology , Kinetoplastida/isolation & purification , Brazil , Euglenozoa Infections/blood , Fish Diseases/blood , Gymnotiformes/blood , Rivers
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