FIELD: biotechnology.
SUBSTANCE: invention concerns a new strain of bacteria of Streptococcaceae family of Streptococcus genus of Streptococcus agalactiae SA-21 species, deposited in the All-Russian State Collection of Exotic Types of FMD Viruses and Other Animal Pathogens (GKSM) FGBU "ARRIAH" under registration number: No. 386 - dep/22-20 — GKShM FGBU "ARRIAH". The proposed strain is cultivated on nutrient media — Columbia agar and heart-brain broth, the strain has pronounced properties characteristic of its species, belongs to serogroup B in terms of serogroup differentiation, is highly virulent, and also has antigenic and immunogenic properties.
EFFECT: strain presented can be used for the manufacture of biological products for the specific prevention of mastitis in cows.
1 cl, 3 tbl, 7 ex
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