6BAIGENT S J,SMITH LP, CURRIE R L, et al. Replication kinet-ics of Marek ’ s disease vaccine virus in feathers and lymphoid tissuesusing PCR and virus isolation [J]. J Gen Virol, 2005 , 86: 2989 -2998.
7SCHAT K A,MARKOWSKI - GRIMSRUD C J. Immune responsesto Marek’s disease virus infection[ J]. Current Topics Microbiol Im-munol ,2001,255; 91 - 120.
8Tian W X, Sun N, Ning G B, et al. Effects of gallid herpes vi- rus 2 Marek's disease challenge virus and atteunated vaccine vi- rus CVI988/rispens on immune adhesion of erythrocytes of chickens[J]. Int J Poul Sci,2013,12(4) :217-223.
9Payne L N, Rennie M. Pathogenesis of Marek's disease in chicks with and without materal antibody[J]. Journal of the National Cancer Institute, 1973,51 : 1559-1573.
10Buseaglia C, Calnek B W, Schat K A. Effect of immunoeom- petence on the establishment and maintenance of latency with Marek's disease herpesvirus[J]. J Gen Virol, 1988,69: 1067- 1077.
