A Comparison of two Mannheimia haemolytica vaccination strategies in freshly weaned southeastern feedlot heifers. The Bovine Practitioner, [S. l.], v. 43, n. 1, p. 27–31, 2008. DOI: 10.21423/bovine-vol43no1p27-31. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/2731. Acesso em: 22 nov. 2024.