Metabolizable protein supply according to the nrc (2001) for dairy cows grazing elephant grass . Scientia Agricola, [S. l.], v. 65, n. 2, p. 130–138, 2008. DOI: 10.1590/S0103-90162008000200004. Disponível em: https://www.revistas.usp.br/sa/article/view/22368.. Acesso em: 2 may. 2024.