Streptococcus dysgalactiae equisimilis Vandamme et al. 1996 Kawata K. Minakami T. Mori Y. Katsumi M. Kataoka Y. Ezawa A. Kikuchi N. Takahashi T. rDNA sequence analyses of Streptococcus dysgalactiae subsp. equisimilis isolates from pigs 2003 53 6 1941 1946 International Journal of Systematic and Evolutionary Microbiology Int J Syst Evol Microbiol 1466-5026 1466-5034 10.1099/ijs.0.02666-0 14657127