FIELD: biotechnology.
SUBSTANCE: invention relates to biotechnology and veterinary medicine. Proposed is a vaccine for protecting pigs against Streptococcus suis, Escherichia coli, and Clostridium, containing (a) an immunologically effective amount of an antigen of Streptococcus suis IgM protease , (b) an immunologically effective amount of a fimbrial Escherichia coli antigen, and (c) an immunologically effective amount of a Clostridium toxoid. Presented is an application of the vaccine in a method for protecting pigs against the pathogenic infection of Streptococcus suis, Escherichia coli, and Clostridium.
EFFECT: possibility of producing a combined vaccine for protecting a piglet against more than one pathogenic infection, wherein the piglet is protected against said infections through the vaccination of sows.
12 cl, 11 tbl, 2 ex
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