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利用南美白对虾对盐度适应性广的特点 ,通过二级训养 ,在盐度为 2‰的池水中过渡 5～ 7d后放入淡水中饲养 ,饲养周期为 12 8d,产量达到 4 76.9kg/ 10 0 0 m2 ,收益 2 0 892元 / 10 0 0m2 。
Based on the characteristics of wide adaptability to salinity, Penaeus vannamei passed through secondary training and was kept in freshwater for 5 to 7 days after its transition to salinity of 2 ‰, with a feeding period of 12 8 days and a yield of 4 76.9 kg / 10 0 0 m2, gain of 2 0 892 yuan / 10 0 0 m2.