近年来从春节前后的早繁蟹苗到6月份的后期蟹苗，在大限幼体培育成Ⅱ期仔蟹的过程中，中华绒螫蟹（河蟹）Ⅰ期仔蟹大量上滩死亡，给养殖者带来了巨大的损失，也给正常的养蟹生产带来了影响，为此，笔者根据1994年至1999年的多年从事河蟹工厂化育苗技术研究及仔蟹死亡原因课题研 In recent years, from the early crab seedlings before and after the Spring Festival to the late crab seedlings in June, during the process of cultivating the second-stage crabs, the first-stage crabs of Chinese crab (crab) Brought a huge loss, but also to the normal crab production have an impact, therefore, the author according to 1994 to 1999 for many years engaged in crab plant breeding technology research and the cause of death of crab