2Higgins R, Gottschalk M, Boudreau M, et al. Descrip- tion of six new capsular types(29-34)of Streptococcussuis [J]. J Vet Invest,1995(7): 405-406.
3YangQP, LiuWP, GuoLX, etal. Autopsy report of four cases who died from Streptococcus suis infection, with a review of the literature[J]. Nut J Clin Microbiol Infect Dis, 2009, 28(5):447-445..
6Robertson I D, Blackmore D K. Prevalence of Strepto- coccus suis types 1 and 2 in domestic pigs in Australia and New Zealand [J]. Vet Rec, 1989, 124(15): 391-394.
9Aarestrup F M, Rasmussen, Artursson K, et al. Trends in the resistance to antimicrobial agents of Streptococcus suis isolates form Denmark and Sweden[J]. Vet Microbi- o1,1998(63) : 71-80.