河蟹学名中华绒螯蟹,是名贵的淡水产品,味道鲜美、营养丰富,规格越大经济价值越高。盘锦地区的河蟹养殖开始于20世纪90年代中期,采取的养殖模式主要有池塘养殖、苇田养殖、稻田养殖,但是辽河水系养殖的河蟹与长江水系和黄河水系养殖的河蟹相比,生长期较短,平均个体较小,雌性达到100g以上、雄性达到150g以上的河蟹比例较低,这就影响了河蟹的产值和效益。 Crab scientific name Eriocheir sinensis, is a precious freshwater products, delicious, nutritious, the greater the greater economic value. Crab farming in Panjin started in the mid-1990s. The main breeding patterns are pond farming, reed farming and rice farming. However, compared with crabs raised in the Yangtze River and Yellow River waterways, crabs cultured in the Liaohe River system grew more Short, the average individual smaller, more than 100g females, males to 150g above the lower proportion of crabs, which affects the crab production value and effectiveness.