UMUNNA, N. N.; WOODS, W. R.; KLOPFENSTEIN, T. J. Urea Utilization by Cattle as Influenced by Casein. Nigerian Journal of Animal Production, [S. l.], v. 2, n. 1, p. 104–111, 2021. DOI: 10.51791/njap.v2i1.2364. Disponível em: https://njap.org.ng/index.php/njap/article/view/2364. Acesso em: 13 may. 2026.