3Mankertz A, Persson F, Mankertz J, et al. Mapping and charac- terization of the origin of DNA replication of poreine circovirus [J]. J Virol,1997,71(3) :2562-2566.
4Chang H W, Pang V F, Chen L J, et al. Bacterial lipopolysac- charide induces porcine circovirus type 2 replication in swine alveolar macrophages [J]. Vet Microbiol, 2006, 115 (4) : 311- 319.
5Kim J, Han D U,Choi C,et al. Simultaneous detection and dif- ferentiation between porcine circovirus and porcine parvovirus in boar semen by multiplex seminested polymerase chain reac- tion [J]. J Vet Med Sei,2003,65(6):741-744.
6Allan G M, McNeilly F, Kennedy S, et al. Isolation of porcine circovirus-like viruses from pigs with a wasting disease in the USA and Europe [J]. J Vet Diagn Invest,1998,10(1):3-10.
7Dulac G C,Afshar A. Porcine circovirus antigens in PK-15 cell line (ATCCCCL-33) and evidence of antibodies to circovirus in Canadian pigs [J]. Can J Vet Res,1989,53(4):431-433.
8Tischer I,Mields W,Wolff D,et al. Studies on epidemiology an- d pathogenicity of porcine circovirus [J]. Arch Virol, 1986,91 (3/4), 271-276.
9Chae C. Postweaning multisystemie wasting syndrome: A re- view of aetiology, diagnosis and pathology [J]. Vet J, 2004,168 (1) :41-49.
10Guo L J,Lu Y H,Wei Y W,et al. Porcine circovirus type 2 (P- CV2) :Genetic variation and newly emerging genotypes in Chi na [J]. Virol J,2010,7:273.
