High herd-level seroprevalence and associated factors for bovine leukemia virus in the semi-arid Paraíba state, Northeast Region of Brazil

Gisele Cândida Ramalho, Maria Luana Cristiny Rodrigues Silva, Brunna Muniz Rodrigues Falcão, Clécio Henrique Limeira, Denise Batista Nogueira, Amanda Martins dos Santos, Camila Marinelli Martins, Clebert José Alves, Inácio José Clementino, Carolina de Sousa Américo Batista Santos, Sérgio Santos de Azevêdo