pH值在河蟹育苗中是一个非常重要的水质指标，它的变化直接影响河蟹状幼体的变态发育，也会影响其它水质指标的变化，甚至影响育苗的成败。今年河北省唐海县东福育苗场，连续三批育苗因没能及时找出幼体死亡原因，而造成育苗失败。为此，笔者根据多年的育苗经验，到此进行了生? pH value is a very important water quality index in crab breeding. Its changes directly affect the metamorphosis of crab larvae, but also affect the changes of other water quality indicators, and even affect the success or failure of breeding. This year, Tanghai County, Hebei Province, Dongfu nursery grounds, three batches of nursery for failure to identify the cause of death of juveniles in a timely manner, resulting in failure of nursery. To this end, the author based on years of nursery experience, this was a student?