OKPARA, J. O.; ABUDUL, M. B.; GARBA, S. I.; ADELOWO, O. V.; MBGOJIKWE, A. C. Effects of Ficus syncomorus and Datura metel stem-bark extracts on the sperm characteristics of Yankasa rams. Nigerian Journal of Animal Production, [S. l.], v. 47, n. 2, p. 37–45, 2020. DOI: 10.51791/njap.v47i2.56. Disponível em: https://njap.org.ng/index.php/njap/article/view/56. Acesso em: 15 sep. 2026.