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为探讨化疗降低洞庭湖区家畜血吸虫感染率及传播的作用，自１９８７年来，我们在洞庭湖区选择３０个村作为试点，进行了８年的纵向观察。 内容与方法１ 病原学调查 用孵化法与集卵法对牛及猪进行定性与定量粪检。２ 化疗方法及对象 用兽用吡喹酮３０ｍｇ／ｋｇ治疗牛及?
In order to explore the effect of chemotherapy on reducing the infection rate and spread of schistosomiasis in Dongting Lake area, since 1987, we selected 30 villages in the Dongting Lake area as the pilot to carry out 8-year longitudinal observation. Contents and methods 1 Etiological investigation Cattle and pigs were screened qualitatively and quantitatively by hatching and egg laying. 2 chemotherapy methods and objects with animal praziquantel 30mg / kg treatment of cattle and?