5DESROSIERS R,PHANEUF J B,BROES A.An outbreak of atypical Glasser' s disease in Quebec[J].Proc Int Congr Pig Vet Soc, 1986,9 (6) : 277.
6RUBIES X,KIEI.STEIN P,COSTAL,et al.Prevalenceof Haemo philu spara suisser ovars isolated in Spain from 1993 to 1997[J].Vet Microbiol, 1999,66 (3) : 245-245.
7OLIVEIRA S, GALINA L, BLANCO I, et al.Naturally-farrowed ,artificially-reared pigs as an alternative model for experimental infection by Haemoohilus oarasuis[J].Can J Vet Res ,2003,67(2) : 146-150.