OLA, S. I. .; DANIYAN, O. C.; THOMAS, K. D. .; OLUBUNMI , P. A. . Effect of contact with male on the physical and chemical qualities of eggs of black harco layers . Nigerian Journal of Animal Production, [S. l.], v. 29, n. 1, p. 127–131, 2021. DOI: 10.51791/njap.v29i1.1543. Disponível em: https://www.njap.org.ng/index.php/njap/article/view/1543. Acesso em: 23 sep. 2026.