随着罗氏沼虾育苗业的发展 ,育苗生产中问题不断出现。现就１９９３年到２０００年育苗工作中的几个常见问题进行分析讨论 ,作一总结。一、抱卵虾脱卵和孵化率低抱卵虾拣出后 ,在孵化池中常可见脱落的卵块 ,产完卵后虾的腹部发现有部分死卵、坏卵 ,尤其是每年的第一批和最后一 With the development of nursery industry of Macrobrachium rosenbergii, the problems in nursery production continue to emerge. Now on the breeding of seedlings in 1993 to 2000 several common problems analyzed and discussed, to make a conclusion. First, holding shrimp shrimp oviposit and hatching rate After shrimp picking, in the hatchery shedding eggs can often be seen, after the production of eggs shrimp abdomen found some dead eggs, bad eggs, especially the first and last year each one