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(一)蟹苗的质量鉴别蟹苗质量的鉴别,可以从以下几个方面进行:1、了解蟹苗生产的过程:购买蟹苗时,如果是人工繁殖的蟹苗,就要了解蟹苗的日龄、饵料投喂情况,淡化处理过程等情况。一般饲养管理好,蟹苗日龄达5天以上,经过多次淡化处理,池内苗种密度较大,并且比较活跃,同一批蟹苗大
(A) the quality of crabs identification Crabs quality identification, you can from the following aspects: 1, to understand the process of crab production: buy crabs, if it is artificial propagation of crabs, we must understand the crab Day-old, food feeding, desalination process and so on. General feeding and management, crab seedling age of more than 5 days, after several desalination treatment, pool seedling density, and more active, the same batch of large crab seedlings