A VACCINE FOR PORCINE REPRODUCTIVE AND RESPIRATORY SYNDROME, A PREPARION METHOD AND USE THEREOF

摘要

An inactivated vaccine is made of porcine reproductive and respiratory syndrome virus super-virulent variant (NSP2 1594-1680 variant). The vaccine is used to prevent PRRS resulted from the supper-virulent variant (NSP2 1594-1680 variant). The method for preparing the vaccine and for testing the efficacy of the same and the use thereof are further disclosed.