7Ahmed A S, Amin A A, Hassan M K,et al. A Premiliminary report of subgroup J avian leukosis virus-infection in import broiler parent chickens Vet Med J Giza[J]. 1999,47 : 605-610.
4Seong H W,Kim S J,Kim J H,et al.Outbreaks of reticuloendotheliosis in Korea[J].RDA J Agr Sci Vet,1996,38:707-715.
5Aly M M,Hassan M K,Elzahr A A,et al.Serological survey on retieuloendotheliosis virus infection in comercial chicken and turkey flocks in Egypt[C]//Proceedings of the 5th Science Conference of Egypt Vet Poultry Association,1998,23:51-68.
6Guillermo Z,Sunny C,Taylor B,et al.Enzootic reticuloendotheliosis in the endangered attwater's and greater prairie chickens[J].Avian Dis,2006,50:520-525.
7Cheng W H,Huang Y P,Wang C H.Serological and virological surveys of reticuloendotheliosis in chickens in Taiwan[J].J Vet Med Sci,2006,68(12):1315-1320.
9Cui Z Z,Sun S H,Zhang Z,et al.2009.Simultaneous endemic infections with subgroup J avian leukosis virus and reticuloendotheliosis virus in commercial and local breeds of chickens[J].Avian Pathol,38(6):443-448.