And S. cow mastitis vaccine would inactivate obtained

And S. The present invention discloses a dairy cow mastitis vaccine would inactivate obtained. The present invention is one kind of cow mastitis vaccine protection, the active ingredient after SAWR-6 strain is inactivated, and the strain SDTR-9 strain after inactivation SURF-5 after inactivation. The present invention also protects one kind of cow mastitis vaccine strain and the active ingredient is inactivated after capsular polysaccharides; inactivated strain as strain after SAWR-6 after inactivation, the inactivated strain SDTR-9 and destroy SURF-5 strain after live; capsular polysaccharide is a capsular polysaccharide of SAWR-6 strain, strain SDTR-9 and the capsular polysaccharide capsular polysaccharide of SURF-5 strain. Vaccines The present invention provides an efficient, versatile, security, stability, the advantages of various dosage forms, the present invention is a safe, efficient, comprehensive and effective prevention of streptococcal infection of the cow mastitis provide a strong guarantee, it will be Streptococcus cow mastitis vaccine development the new milestone. CGMCC No.8533 20131209