FIELD: medicine.
SUBSTANCE: invention refers to veterinary science and biotechnology. The supernatant of the culture Clostridium perfringens type C is used for producing a vaccine for protection of mature pigs and piglets against the infection Clostridium perfringens type A.
EFFECT: use of the inventions leads to the considerable protection of piglets against the infection caused by Clostridium perfringens type A and improvement of breeding sow health.
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