FIELD: biotechnology.
SUBSTANCE: invention relates to the field of biotechnology, veterinary microbiology, in particular to the new strain SD-21 of bacteria of Streptococcaceae family Streptococcus genus Streptococcus dysgalactiae species, deposited in the Russian National Collection of Exotic types of viruses of foot-and-mouth disease and other animal pathogens (FGBI ARRIAH) under registration number: No. 389 – dep. / 22-23-GKShM FGBU VNIIZZh. Proposed strain is cultured on nutrient media – brain heart agar and brain heart broth, strain has pronounced properties characteristic of its species, according to serogroup differentiation refers to serogroup C, is highly virulent, and also has antigenic and immunogenic properties.
EFFECT: presented strain can be used for production of biopreparations for specific prevention of cow mastitis.
1 cl, 2 tbl, 7 ex
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