RWUAAN, J.S.; REKWOT, P.I.; ABDU, P.A.; EDUVIE, L.O.; OBIDI, J.A. Semen Characteristics of Vaccinated Shikabrown Cocks Challenged with a Velogenic Newcastle Disease Virus. International Journal of Poultry Science, Pakistan, v. 8, n. 9, p. 896–901, 2009. DOI: 10.3923/ijps.2009.896.901. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/1274. Acesso em: 22 sep. 2025.