苏州是实施池塘虾蟹混养模式的先导区。养殖户在养殖生产实践中不断摸索在河蟹养殖池中春秋两季套养青虾的模式,以实现高效的目的。但到目前为止,本地区养殖户的河蟹放养密度在800只/亩左右、产量在75千克/亩的模式下套养的青虾产量始终在30～40千克/亩,尤其是春季虾亩产量始终在25千克左右徘徊,有的只有15千克。昆山淀山湖永兴虾 Suzhou is the pilot area for the implementation of polyculture pond shrimp and crab. Farmers in the practice of farming and production continue to explore the crab breeding pool in spring and autumn nest raising shrimp model, in order to achieve efficient purpose. However, until now, the crab stocking density of farmers in this region is about 800 / mu, and the production of shrimp cultured in the mode of 75 kg / mu is always 30-40 kg / mu, especially in spring. Always hovering around 25kg, some only 15kg. Dianshan Lake in Kunshan Yongxing shrimp