4Macinnes J,Gottschalk M,Lone A G,et al.Prevalence of Actinobacillus pleuropneumoniae,Actinobacillus suls,Haemophilus parasuis,Pasteurella multocida,and Streptococcus suis in representative Ontario swine herds[J].Can J Vet Res,2008,72(3):242-248.
5Olvera A,Ballester M,Nofrarias M,et al.Differences in phagocytosis susceptibility in Haemophilus parasuis strains[J].Vet Res,2009,40(3):24.
8Rosner H,Kielstein P,Muller W,et al. Relationship between serotype, virulence and SDS-PAGE protein patterns of Haemophilus parasuis[J].Dtseh Tieraztl Woehensehr, 1991,98( 9 ): 327-330.
9Moller K, Kilian M. V factor-dependent members of the family Pasteure disease in the porcine upper respiratory tract [J].J Clin Microbiol. 1990,28( 12): 2711-2716.
10Hill C E, Metcalf D S, Maclnnes J L.A search for virulence genes of Haemophilus parasuis using differential display RTPCR[J].Vet Microbiol, 2003,96(2 ): 189-202.