Publicação: Molecular and serological detection of Babesia Bovis and Babesia Bigemina in cattle in the Rio de Janeiro, Brazil
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Univ Estadual Londrina
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Resumo
Bovine babesiosis is an important disease of cattle where Rhipicephalus microplus acts as a vector for the two causal organisms Babesia bovis and Babesia bigemina. A total of 22 calves were randomly monitored during three years by semi-nested PCR assay and ELISA test to determine prevalence of B. bovis and B. bigemina. The overall prevalence of B. bovis and B. bigemina was 30% and 35% by nested PCR (nPCR), and 70% and 75% by ELISA, respectively. Statistical analysis of the characteristics of animals showed that age and tick infestations (p<0.05) might play an important role in the spread of babesiosis as animal less than 6 months old. A high correlation (Kappa index of 0.70 for B. bovis and 0.65 for B. bigemina, respectively) between serological and molecular tests suggests that the combination of the utilized techniques in the present study is suitable for babesiosis diagnosis in an endemic unstable area.
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Babesiosis, Brazil, diagnosis, ELISA, PCR
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Inglês
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Semina-ciencias Agrarias. Londrina: Univ Estadual Londrina, v. 35, n. 6, p. 3139-3145, 2014.
