6Kim J, Chae C.Simultaneous detection of porcine circovirus 2 and porcine parvovims in naturally and experimentally coinfected pigs by double in situ hybridization[J]. J Vet Diagn Invest, 2002, 14(3):236- 240.
7Bogdan J ,Wet al. Association of porcine circovirus 2 with repro-ductive failure in pigs:a retrospective study 1995- 1998[J].Cana-dian Veterinary Journal,2001,42 (7):548- 550.
8Joaquim Segalés.Porcine circovirus type 2 (PCV2) infections: Clinical signs, pathology and laboratory diagnosis[J].Virus Research (-).2011(1-2)
9Yonghou Jiang,Hanwu Shang,Hui Xu,Liangjun Zhu,Weijie Chen,Lingyan Zhao,Li Fang.Simultaneous detection of porcine circovirus type 2, classical swine fever virus, porcine parvovirus and porcine reproductive and respiratory syndrome virus in pigs by multiplex polymerase chain reaction[J].The Veterinary Journal.2008(2)