3Lindberg A M,Johansson S. Phylogenetic analysis of ljungan virus and A-2 plaque virus,new members of the picomaviridae [J]. Virus Res,2002,85(1 ) :61-70.
4Rodrigo M J,Dopazo J. Evolutionary analysis of the picornavirus family [J ]. J Mol Evol, 2002,40 : 362-371.
5Knowled H J,Samuel A R. Molecular epidemiology of foot- and-mouth disease virus[J]. Virus Res,2003,91:65-80.
6Oberstc M S,Maher K,Pallansch M A. Genomic evidence that simian virus 2 and six other simian picornaviruses represent a new genus in Picomaviridae [J ]. Virol, 2003,314 : 283-293.
7Lu Y S,Lin D F,Le Y L,et al. Infectious bill atrophy syndrome caused by parvovirus in a co-outbreak with duck viral hepatitis in ducklings in Taiwan[J]. Avian Dis, 1993,37:591-596.
8[美]卡尔尼克 B W.禽病学[M].第十版.高福,刘文军,译.北京:中国农业出版社.1999.840-850.