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我县新民滩钉螺密度高,危害严重,从1971年起采用矮围五氯酚钠药浸灭螺后,(以下简称药浸灭螺)坚持反复斗争,现将1971～1982年共12年纵向观察结果报告如下:新民滩地处高邮湖、邵伯湖之间,是准水入江泄洪之咽喉。根据历年调查历史累计有螺滩118块,钉螺面积53554亩,活螺平均密度4.23只/市尺~2,湖区居民感染率80%以上。湖滩上有136个自然小村庄,居民5257人,1950年因打粽叶等接触疫水,一次急性感染4019人,死亡1335人,死绝45户,危害严重性是全国罕见的,1971年进行药浸灭螺,根据螺情滩
Xinmin Beach in our county has a high density and serious harm to the snails. Since 1971, we have adopted the dwarf carapace of sodium pentachlorophenate and insisted on repeatedly fighting against the disease. Now, from 1971 to 1982, 12 years of vertical The observation report is as follows: Xinmin Beach is located between Gaoyou Lake and Shaobo Lake, and is the throat of flood discharge of Zhunhui River. Based on the surveyed history over the years, there are 118 snail banks, 53554 mu of snails, and an average density of live snails of 4.23 per square meter ~ 2, with an infection rate of over 80% in the lake area. There are 136 small villages on the beach with 5257 inhabitants. In 1950, there were 4019 acute infectious diseases caused by exposure to polluted water such as the dried bamboo leaves. There were 1335 deaths and 45 deaths. The seriousness of the damage was rare in China. In 1971 Medication dip snail, according to snail beach