Madruga, Claudio Roberto, et al. “Antibody Levels Anti-<i>Babesia bigemina< i> and <i>Babesia bovis< i> In Calves of Nelore and Ibagé Breeds and Nelore Crosses”. Pesquisa Agropecuaria Brasileira, vol. 19, no. 9, Apr. 2014, pp. 1163-8, doi:10.1590/S1678-3921.pab1984.v19.16072.