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Updated: Jul 17, 2026

Sexual Transmission of American Trypanosomes from Males and Females to Naive Mates
Published on: January 27, 2019
Outbreaks of trypanosomosis due to Trypanosoma vivax in cattle in Bolivia
R A Silva1, G Morales, E Eulert
1Laboratory of Ecopathology, EMBRAPA, Centro de Pesquisa Agropecuária do Pantanal, Corumbá, MS, Brazil. ramss@sede.embrapa
Abstract:
This paper reports the first occurrence of bovine trypanosomosis due to Trypanosoma vivax in Bolivia. T. vivax was identified in thin blood smears of 159 cattle from the Provinces of Velaco (57), Nuflo de Chavez (20), Guayaros (30) and Chiquitos (52), and in 86.20% of 29 cattle from Laguna Concepción examined by microhematocrit test. The clinical signs observed were fever, anemia, abortion, progressive weakness, loss of appetite, lethargy, substantial weight loss in a relatively short time, and progressive emaciation.
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