苗种是养殖的基础，高质量的青蟹苗种是青蟹养殖取得成功的前提条件。青蟹养殖生产上往往由于苗种无法满足，影响了养殖的产量和效益。尤其是经越冬后的秋苗开春时节价格昂贵，且数量难以满足。而目前我市通常采取一年两茬的养殖方式，秋苗存塘越冬，冬季无法搁塘清淤，长年累 Breeding is the basis of breeding, high-quality blue crab seedlings is a prerequisite for the success of blue crab farming. Blue crab breeding production is often unable to meet due to seed, affecting the breeding yield and benefits. Especially after the wintering autumn seedlings spring season expensive, and the quantity is difficult to meet. At present, our city usually adopts the farming method of two stubbles a year, and the autumn seedling storage ponds wintering. In winter,