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近几年 ,罗氏沼虾人工育苗技术已日趋完善 ,但要达到低投入高产出 ,仍有许多问题值得探讨。1 提高亲虾越冬成活率1 1 通过在池底设置固型隐蔽和悬浮附着物 (网片 )以增加亲虾蜕皮时的栖息场所 ,减少自相残杀的机会。1 2 采用 4‰的咸淡水越冬 ,减少疾病发生率并提高交尾率
In recent years, Macrobrachium rosenbergii artificial seedling technology has matured, but to achieve low input and high output, there are still many problems worth exploring. 1 Increase the survival rate of broodstock overwintering 1 1 Reduce the chance of cannibalism by setting solid concealed and floating attachments (webs) at the bottom of the pond to increase the habitat of brood moults during molting. 1 2 Use 4 ‰ of fresh and brackish water for winter, reduce the incidence of diseases and increase the rate of mating