NWAKPU, P. E. .; OBIANWUNA, E. U.; OGUNNUPEBI, J. T. . Heterosis of crossbred genotypes of muturu cows mated with white fulani bulls using modified co-synch protocol under natural grazing conditions . Nigerian Journal of Animal Production, [S. l.], v. 49, n. 5, p. 30–35, 2023. DOI: 10.51791/njap.v49i5.3761. Disponível em: https://njap.org.ng/index.php/njap/article/view/3761. Acesso em: 28 jul. 2026.