| 摘要 |
<p>veterinary science. SUBSTANCE: the suggested vaccine is obtained out of viral agent NEB-1-P94 kept in the American collection of type cultures under registration number of VR-2525. The method for protecting deals with introducing the present vaccine for swine at efficient quantity. The innovation enables to considerably decrease the death rate in piglets and infection of vaccinated sows. EFFECT: higher efficiency. 7 cl, 5 ex, 4 tbl</p> |
