河蟹育苗的关键是饵料、水温、水质三大要素。纵观报刊报道内容，论述水质、水温偏多，对饵料阐述不够。投喂淡水浮游动物育蟹苗，可以降低饵料成本，便于调控水质，减少换水量，提高青苗成活率，减轻劳动强度。众所周知，河蟹本性贪食好斗，有互相残食习性。尤其渔幼w期开始， The key to crab breeding is bait, water temperature and water quality. Throughout the press coverage, discusses the water quality, water temperature is too much, the food is not elaborated. Feeding freshwater zooplankton crabs, can reduce the cost of bait, easy to regulate water quality, reduce water change, improve the survival rate of young crops, reduce labor intensity. As we all know, crab nature of bulimia, have each other eating habits. In particular, young fish w beginning,