Mean concentration for complete inhibition of schizont formation ; * * resistance concentration of chloroquine / dihydroartemisinin has no lay down standards 完全抑制裂殖体形成的平均浓度; * *氯喹/双氢青蒿素合剂抗性浓度尚未确定。
2.
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 河南省桐柏县是牛环形泰勒虫病流行的多发区，对养牛业危害十分严重， 1985年该县从宁夏农林科学院畜牧兽医研究所引进“虫苗” 2万头份，在区域试验的基础上在全县16个乡(镇)进行了大面积防疫注射，经年终统计表明：虫苗安全性100 % ，注苗15000头(其中有水牛4500头) ，发病3头，发病率0 . 02 % ；未注苗36000头，发病2060头，发病率5 . 7 % ，实际有效保护率达99 . 98 % ，取得了明显的社会经济效益。
3.
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:河南省桐柏县是牛环形泰勒虫病流行的多发区，对养牛业危害十分严重， 1985年该县从宁夏农林科学院畜牧兽医研究所引进“虫苗” 2万头份，在区域试验的基础上在全县16个乡(镇)进行了大面积防疫注射，经年终统计表明：虫苗安全性100 % ，注苗15000头(其中有水牛4500头) ，发病3头，发病率0 . 02 % ；未注苗36000头，发病2060头，发病率5 . 7 % ，实际有效保护率达99 . 98 % ，取得了明显的社会经济效益。
