IKHATUA, U. J.; OLUBAJO, F. O. STUDIES ON PROTEIN REQUIREMENTS OF STEERS : II* — NITROGEN BALANCE STUDIES WITH THREE BREEDS OF CATTLE MAINTAINED ON ALL-ROUGHAGE SUPPLEMENTED DIETS . Nigerian Journal of Animal Production, [S. l.], v. 6, p. 88–93, 2021. DOI: 10.51791/njap.v6i.2673. Disponível em: https://njap.org.ng/index.php/njap/article/view/2673. Acesso em: 25 sep. 2026.