IBEAWUCHI, J. A.; AKINSOYINU, A. O. . A NOTE ON PROTEIN REQUIREMENT OF FRIESIAN COWS FOR MAINTENANCE IN A TROPICAL ENVIRONMENT . Nigerian Journal of Animal Production, [S. l.], v. 14, p. 95–103, 2021. DOI: 10.51791/njap.v14i.2621. Disponível em: https://mail.njap.org.ng/index.php/njap/article/view/2621. Acesso em: 23 sep. 2025.