5Leiner G, Franz B, Strutzberg K, et al.A novel enzymelinked immunosorbent assay using the recombinant Actinobacillus pleuropleumoniae ApxⅡ antigen for diagnosis of pleuropneumonia in pig herds. Clinical and Diagnostic Laboratory[J]. Immunology, 1999, (6):630-632.
6Laftager M K, Eriksen L, Nielsen R. Antibodies against App serotype 2 in mucosal secretions and sera of affected pigs as demonstrated by an enzyme-linked immunosorbent assay[J].Res Vet Microbiol, 1993, 54 (1):57 62.
7Radocovici S,Gottdchalk M, Dubreuil J D. Lipopolysacch rides of App(serotype 1)a readily obtainable antigen for ELISA serodiagnosis of pig pleuropneumonia[J].Vet Microbiol, 1994,39(3-4):219-230.
8Gram T, Ahrens P, Anderson M, et al. An App PCR typing system based on the apx and OmlA genes evaluation of isolates from lungs and tonsils of pigs[J].Vet Microbiol, 2000, (75):43-57.
9Chiers k, Van Overbeke I, Donne E, et al. Detection of App in cultures from nasal and tonsillar swabs of pigs by PCR assay based on the nucleotide sequence of a dsbE-like gene[J].Vet Microbiol, 2001,83(2):147-159.
10Machnnes J I, Rosendal S. Prevention and control of Actinobacillus(Haemophilus) pleuropleumoniae infection in swine[J].A review J can Vet, 1998, (29):572-574.
4Tascon R I, Vazquezholand J, Gutierrezmartin C B. The RTX haemolusins Apx I and ApxII are major virulence factor of the swine pathogen Actinobacillus pleuropmeumoniae:evidence from mutation analysis[J ]. Mol Microbiol, 1994,14: 207-221.
5Fedorka-cray P J, Huether M J, Stine D L, et al. Efficacy of a cell extract from Actinobacillus pleuropmeumoniae serotype laganist disese in swine[J].Infect Immun,1991,58:358-365.
7Nielsen R. Serological and Immunological of pleuropneumonia of swine caused by Haemophilus parahaemolyticus [J]. Acta Vet Scand, 1974,5: 80-89.
8Nielsen R. Serological characterization of Haemophilus (Actinobacillus) pleuropneumoniaestrains and proposal of a new serotype:serotype 9[J]. Acta Vet Stand, 1985,26: 501-512.
9Nicolet J, Krawinkler M, Baumgartner A. An enzyme-linked immunosorbent assay, using an EDTA-extracted antigen for serology of Haemophihus plenuropneumoniae[J]. Am J Vet Res, 1981,42:2139-2142.
10Jiannen M, Inzane T J. Indirect Enzyme-linked Immunosorbent assay for detection of antibody to a 110,000-Molecular-Weight hemolysin of Actinobacillus pleuropleumoniae[J]. J Clin Microbiol, 1990,28:1356-1361.