摘要
根据PPA-ELISA测定的猪瘟弱毒抗体OD值来决定的规模化集约化养猪场的猪瘟免疫程序为:使用猪瘟弱毒犊牛睾丸细胞苗免疫的母猪,其仔猪在20日龄进行首免,60日龄或断乳后进行二免,育肥猪直至出栏,不再免疫。种猪于配种前进行第三次免疫,以后每半年于断奶后配种前进行一次加强免疫。每次免疫接种剂量均是2头剂猪瘟弱毒犊牛睾丸细胞苗。
This paper descried a new immunization procedure for Hog Cholera .based on antibody level detected by PPA-ELISA. The vacouie ased in the study was Hog Cholera Cell vaccine. All sows were inoculated with the vaccine The piglets ,were first vaccinated at 20 days old , and second vaccination was performed at 60 days old. For breeding Swine ,it's necessary to inoculate one more time before every breeding.