目前,河蟹育苗的工艺、技术已成熟;蟹苗的市场价格已接近成本价格;一般育苗场家育有二茬苗,在头茬苗成功的基础上,后期苗能否成功成为场家盈利的关键。笔者结合历年生产实践,就后期育苗生产中影响Z1(第一期蚤状幼体)变态的几个因素作如下探讨。一、关于提高Z1质量的问题二茬苗 At present, the crab breeding process, technology has matured; crab market prices are close to the cost price; general nursery farm has two stubble seedlings, the success of the first stubble seedlings, the late seedlings successfully become a home profitability The essential. The author combines the years of production practice, the late nursery production affect Z1 (first flea larvae) metamorphosis of several factors as follows. First, on the issue of improving the quality of Z1 Second stubble