山西省忻州市位于山西省北中部,稻田连片种植面积达10万余亩,且处于忻州市最大河流滹沱河沿岸,从北到南纵贯六个县(市、区),水资源十分丰富。2004年,代县首次引进河蟹进行稻田养蟹试验,获得亩产河蟹60kg,河蟹平均规格达到100g/只,稻谷亩增产75kg,亩纯收入增加585元的成绩,增效 Located in the north central part of Shanxi Province, Xinzhou City, Shanxi Province, contiguous rice planted area of ​​10 acres, and in Xinzhou City, the largest river Hutuo River, from north to south through six counties (cities, districts), water is very rich . In 2004, on behalf of Crabs, Crabs were first introduced into paddy fields for crab experimenting on behalf of the county for 60 kg of crabs produced per mu. The average specifications of crabs reached 100g / kg. The output of paddy acres increased by 75kg. The net income per mu increased by 585 yuan.