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在当前的河蟹养殖中，河蟹性早熟的问题日益突出，直接影响到商品蟹的规格，致使养殖经济效益下滑，笔者拟结合多年来的实践经验，浅谈一些心得体会。一、温度适宜的水温是河蟹正常生长的基础条件，一般认为，河蟹生长的适宜水温为１５～３０℃。笔者认为，其最适生长水温为２
In the current crab farming, the problem of precocious crabs become increasingly prominent, which directly affects the specifications of commercial crabs, resulting in the decline of the economic benefits of farming. I would like to combine years of practical experience, to talk about some experience. First, the temperature of the water temperature is the basic conditions for the normal growth of crabs is generally believed that the suitable water temperature for the growth of crab 15 ~ 30 ℃. The author believes that the optimum temperature for its growth is 2