REDDY, I.J.; DAVID, C.G.; RAJU, S.S. Active Immunization Against cVIP and It`s Role on the Pattern of Sequence Length and Pause Days in Domestic Hen (Gallous domesticus). International Journal of Poultry Science, Pakistan, v. 5, n. 2, p. 156–161, 2006. DOI: 10.3923/ijps.2006.156.161. Disponível em: https://ijpsjournal.org/index.php/ijps/article/view/503. Acesso em: 22 sep. 2025.