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利用罗氏沼虾与青虾的特性差异 ,年周期内进行两茬养殖 ,并混养部分银鲫鱼种 ,取得了淡水虾 2 60 2 .5kg· hm- 2 与鱼种 70 5kg· hm- 2 的好成绩。这一养殖模式 ,较大幅度增加了池塘养殖淡水虾的产量 ,大大提高池塘的利用率 ,取得明显的经济效益 ,是淡水虾养殖的新模式 ,有良好的推广前景。
Utilizing the difference of the characteristics of Macrobrachium rosenbergii and the freshwater shrimp, two generations of breeding were conducted during the annual cycle, and part of the silver carp species were mixed to obtain freshwater shrimp 2 60 2 .5 kg · hm -2 and 70 5 kg · hm 2 Good results. This farming model has greatly increased the production of freshwater prawn in ponds, greatly increased the utilization rate of ponds and achieved obvious economic benefits. It is a new model of freshwater prawn farming and has good promotion prospects.