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

Tekijä 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.
Julkaistu 2010

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

Tekijä 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.
Julkaistu 2010