Vaccination with a multivalent modified-live virus vaccine administered one year prior to challenge with bovine viral diarrhea virus type 1b and 2a in pregnant heifers. The Bovine Practitioner, [S. l.], v. 47, n. 1, p. 22–23, 2013. DOI: 10.21423/bovine-vol47no1p22-23. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/188. Acesso em: 22 nov. 2024.