Tongbai county of henan province is one of the high - epidemic areas of bovine theileriosis . in 1985 , gelatin - protected schizont cell vaccine for 20 , 000 cattle was introduced . from ningxia institute of animal husbandry and veterinary medicine against theileria annulata . on the basis of regional tests , the vaccine was applied throughout 16 townships of the county . the annual investigation showed that the safety of the vaccine was 100 % . among the 15 , 000 cattle ( including 4 , 500 water buffaloes ) inoculated with the vaccine , only 3 cattle suffered from theileriosis . the incident rate was 0 . 02 % . however of the 3600 un - inoculated cattle , 2060 heads suffered from the disease . the incident rate was 5 . 7 % . the effective protection reached 99 . 98 % with a significant social and economic effect 河南省桐柏縣是牛環形泰勒蟲病流行的多發區,對養牛業危害十分嚴重, 1985年該縣從寧夏農林科學院畜牧獸醫研究所引進“蟲苗” 2萬頭份,在區域試驗的基礎上在全縣16個鄉(鎮)進行了大面積防疫注射,經年終統計表明:蟲苗安全性100 % ,注苗15000頭(其中有水牛4500頭) ,發病3頭,發病率0 . 02 % ;未注苗36000頭,發病2060頭,發病率5 . 7 % ,實際有效保護率達99 . 98 % ,取得了明顯的社會經濟效益。
Abstract : tongbai county of henan province is one of the high - epidemic areas of bovine theileriosis . in 1985 , gelatin - protected schizont cell vaccine for 20 , 000 cattle was introduced . from ningxia institute of animal husbandry and veterinary medicine against theileria annulata . on the basis of regional tests , the vaccine was applied throughout 16 townships of the county . the annual investigation showed that the safety of the vaccine was 100 % . among the 15 , 000 cattle ( including 4 , 500 water buffaloes ) inoculated with the vaccine , only 3 cattle suffered from theileriosis . the incident rate was 0 . 02 % . however of the 3600 un - inoculated cattle , 2060 heads suffered from the disease . the incident rate was 5 . 7 % . the effective protection reached 99 . 98 % with a significant social and economic effect 文摘:河南省桐柏縣是牛環形泰勒蟲病流行的多發區,對養牛業危害十分嚴重, 1985年該縣從寧夏農林科學院畜牧獸醫研究所引進“蟲苗” 2萬頭份,在區域試驗的基礎上在全縣16個鄉(鎮)進行了大面積防疫注射,經年終統計表明:蟲苗安全性100 % ,注苗15000頭(其中有水牛4500頭) ,發病3頭,發病率0 . 02 % ;未注苗36000頭,發病2060頭,發病率5 . 7 % ,實際有效保護率達99 . 98 % ,取得了明顯的社會經濟效益。