A survey for maintenance of virulent newcastle disease virus-free area in poultry production in Brazil

le Orsi, M.A., Doretto Jr, L., Camillo, S.C.A., Reischak, D., Ribeiro, S.A.M., Ramazzoti, A., Mendonça, A.O., Spilki, F.R., Buzinaro, M.G., Ferreira, H.L., Arns, C.W.
Foilsithe 2010

Prevalence of newcastle disease virus in broiler chickens (Gallus gallus) in Brazil

le Orsi, M.A., Doretto Jr, L., Camillo, S.C.A., Reischak, D., Ribeiro, S.A.M., Ramazzoti, A., Mendonça, A.O., Spilki, F.R., Buzinaro, M.G., Ferreira, H.L., Arns, C.W.
Foilsithe 2010