First Detection Of Trypanosoma Vivax In Cattle In The State Of Bahia, Brazil, Based On Parasitological And Molecular Analyses

Hayala Caroline Silva Ferreira Gomes,Igor Leonardo de Jesus Genipapeiro, Fabíola Teixeira Andrade,Danielle de Campos Vieira Barbosa,Leonardo Ribas Pacheco,Regiane Pereira Benevides Silva,Epaminondas do Patrocínio,Cristiane de Jesus Barbosa,Jorge Raimundo Lins Ribas,Luciana Veiga Barbosa, Agência de Defesa Agropecuária da Bahia

SEMINA-CIENCIAS AGRARIAS（2021）

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Abstract

We report the first detection of Trypanosoma vivax in Bahia state based on blood smear and PCR analyses. A total of 623 bovine blood samples were collected over two years. Parasitological analysis by smear technique detected the presence of T. vivax in 0.3%, while molecular analysis by PCR showed a prevalence in 18.9% of the samples. This study demonstrated the higher sensitivity of molecular analysis in the diagnosis of hemoparasitosis caused by T. vivax in dairy cattle herds.

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Key words

Trypanosomiasis, Blood smears, PCR, Northeast of Brazil

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