Efficacy of a modified-live virus vaccine administered to calves with maternal antibodies and challenged seven months later with a virulent bovine viral diarrhea type 2 virus. The Bovine Practitioner, [S. l.], v. 43, n. 1, p. 35–43, 2008. DOI: 10.21423/bovine-vol43no1p35-43. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/2733. Acesso em: 22 nov. 2024.