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近年来，缢蛏养殖在江苏省海门市发展迅猛。单纯依靠采捕野生苗以获得苗种的方式已远远不能满足生产的需要、为此。海门市从１９９６年开始进行了缢蛏半人工采苗技术研究试验，一并获得成功。１９９８年５０亩滩涂产蛏苗１４．８吨、平均亩产０．２９吨。１９９９年２５０亩滩
In recent years, Xuyi aquaculture has developed rapidly in Haimen, Jiangsu Province. To rely solely on harvesting wild seedlings to obtain seedlings has far failed to meet the needs of production. Haimen started from the beginning of 1996 Xuyi semi-artificial mining technology research trials, together with success. In 1998, 50 mu of tidal flat seedlings produced 14.8 tons, with an average yield of 0.29 tons per mu. In 1999 250 mus of beach