4Blanco I, Canals A, Evans G, et al . Differences in susceptibility to Haemophilus parasuis infection in pigs[J]. Can J Vet Res, 2008,72(3) :228-35.
5Olivera S. Development of a PCR test to diagnose Haemophilus parasuis infections[J]. J Vet Diagn Invast, 2001 : 13 (6), 495- 501.
6Lrichtensteiger C A, Vimr E R. Purification andrenaturation of membrane neuraminidase from Haemophilus parasuis [J]. Vet Microbiol, 2003,93 (1) : 79-87.
7De la Puente R, Navas M J, DelBlanco N, et al. Typing of Haemopluius parasuis strains by PCR RFLP analysis of the tbpA gene[J]. Vet Microbiol, 2003, 92(3) : 1253- 1262.
8Muller G, Kohler H, Diller R, et al. Influences of naturally occurring and experimentally induced porcine pneumonia on blood parameters[J]. Res Vet Sci, 2003,74(1) : 23-30.
9Weaonga H O, Thiaucount F. Experimental contagious caprine pleuropneumonia: a long term study on the course of infection and pathology in a flock of goats infected with Mycoplaszna capricolum subsp, capripneumoniae [ J ]. Acta Veterinaria Candinavica, 2004,45 (3-4) :167-179.
10Amano H, Shibata M, Kajio N, et al. Pathogenicity of Haemophilus parasuis serovars 4 and 5 in contact exposed pigs [J]. J Vet Med Sci, 1996, 58(6):559-561.