河北省水产研究所淡水室的科技人员,为了提高河蟹人工养殖效益,缩短养殖周期;提高河蟹人工育苗厂房及设备利用率,继一九八六年秋季育苗成功的基础上,对河蟹冬季人工育苗的可能性进行了小规模实验和探索。试验从一九八七年十二月下旬至一九八八年一月中旬结束,历经二十多天,在河北 Hebei Institute of Fisheries freshwater room science and technology personnel, in order to improve the effectiveness of artificial breeding of crabs, shorten the breeding cycle; improve the crab artificial seedling plant and equipment utilization, following the successful breeding in the autumn of 1986, based on the crab winter artificial breeding The possibility of small-scale experiments and exploration. The trial ended in late December 1987 to mid-January 1988. After more than 20 days in Hebei