淡水虾养殖的新模式

New Mode of Breeding Macrobtachium rosenbergii

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。

Applying the difference between Macrobtachium rosenbergii and Macrobtachium nipponense , two generations are bred in annual circle. Meanwhile breeding together with some Carassius auratus gibelio , good harvest is obtained:2 602 50 kg·hm -2 of Macrobtachium nipponense and 705 00 kg·hm -2 of Carassius auratus gibelio . This mode rapidly improves the product content of Macrobtachium nipponense and the effect of pond, economic effect is apparent, so this mode is promising.[HJ5:1]