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据报道 [1] ,硼镁石粉对湖区钉螺具有良好的杀灭作用 ,且有持效时间长 ,使用方便 ,价廉低毒等特点。为进一步观察该药在云南血吸虫病流行区的灭螺效果 ,我们开展了硼镁石粉及其以此为基料制成的灭螺灵的灭螺试验工作。1 材料和方法1 .1 材料1 .1 .1 硼镁石粉 由南京市疾病
It has been reported [1] that boro-magnesia powder has a good killing effect on snails in the lake area, and has the characteristics of long holding time, convenient use, low cost and low toxicity. In order to further observe the snail killing effect of the drug in the endemic area of schistosomiasis yunnanensis in our country, we carried out the test work of borneol and its molluscicide snail prepared by this method. 1 Materials and methods 1.1 Materials 1.1.1 magnesium phosphate powder by the Nanjing disease