ETUK, I.F.; OJEWOLA, G.S.; NWACHUKWU, E.N. Effect of Management Systems on Semen Quality of Muscovy Drakes. International Journal of Poultry Science, Pakistan, v. 5, n. 5, p. 482–484, 2006. DOI: 10.3923/ijps.2006.482.484. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/564. Acesso em: 22 sep. 2025.