NWAKALOR, L. N.; ORJI, B. I. TESTICULAR SIZE AND SPERM OUTPUT IN HOLSTEIN-FRIESIAN AND N’DAMA BULLS. Nigerian Journal of Animal Production, [S. l.], v. 10, p. 114–118, 2021. DOI: 10.51791/njap.v10i.2721. Disponível em: https://njap.org.ng/index.php/njap/article/view/2721. Acesso em: 10 jun. 2026.