UMESIOBI, D. O.; LLOEJE, M. U.; BEREPUBO , N. A. . Artificial insemination in sows using Guelph and two local semen extenders . Nigerian Journal of Animal Production, [S. l.], v. 29, n. 1, p. 121–126, 2021. DOI: 10.51791/njap.v29i1.1541. Disponível em: https://njap.org.ng/index.php/njap/article/view/1541. Acesso em: 3 aug. 2026.