JANZEN, E. D.; MCMANUS, R. F. Observations on the use of a long-acting oxytetracycline for in-contact prophylaxis of undifferentiated bovine respiratory disease in feedlot steers under Canadian conditions. The Bovine Practitioner, [S. l.], v. 1980, n. 15, p. 87–90, 1980. DOI: 10.21423/bovine-vol1980no15p87-90. Disponível em: https://bovine-ojs-tamu.tdl.org/bovine/article/view/1925. Acesso em: 14 jul. 2024.