1Tischer H, Vettermann W, Hoch M A. Distribution of antibodies to porcine circovirus in swine populations of different breeding farms[J]. Arch Virol, 1995,140:737-743.
2Tischer I,Mields W,Wolff D. Studies on epidemiology and pathogenicity of porcine circovirus[J]. Arch Virol,1986, 91:271-276.
3Martijn F, Patrick G H, Mike G, et al. Genetic characterization of type 2 porcine circovirus (PCV2) from pigs with postweaning multisystemic wasting sydrome in different geographic region of North America and development of a different PCR-restriction of fragment length polymorphism assay to detect and differentiate between infections with PCV-1 and PCV2[J].J Clin Microbiol, 2000,38(7);2494-2503.
4Allan G M, McNeilly F, Meehan B M. Isolation and characterization of circoviruses from pigs with wasting syndromes in spain, Denmark and Northern Ireland[J]. Vet Micro,1999, 66(2):115-123.
5Allan G M, Meelan B, Todd D, et al. Novel porcine circovirus from pigs with wasting disease syodromes[J].Vet Rec,1998,142:467-468.
6Allan G M, McNeilly F, Kennedy S, et al. PCV2-associated PDNS in Northern Ireland in 1990. Porcine dermatitis and nephropathy syndrome[J]. Vet Rec,2000,146(24):711-712.
7Allan G M, McNeilly F, Cassidy J P. Pathogenesis porcine circovirus-expermental infections of colostram deprived piglets and examination of pig foetal material[J]. Vet Microbial,1995, 44(1):49-64.
8Allan G M, John A. Porcine circovirus: a review[J]. Vet Rec, 1998,142:467-468.
