Seroconversion to Cowdria ruminantium of Malawi zebu calves, reared under different tick control strategies
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The seroconversion by indirect ELISA to Cowdria ruminantium over the first year of life of sixty-six Malawi zebu calves born into groups which were dipped 17 times per year was compared to seroconversion of 32 calves born into non-dipped groups. Amblyomma vari... ...
