罗氏沼虾是江苏省里下河地区主要养殖的虾品种,扬州和盐城等市有大规模养殖,据不完全统计,仅高邮市罗氏沼虾就已经形成具有10亿元产值的庞大产业群。2004年江苏省罗氏沼虾总产为43218吨,比2003年增加6464吨。这个产量与南美白对虾持平,但不到青虾总产的1/2。专家分析,近年来罗 Macrobrachium rosenbergii is a major shrimp breed cultured in the Lixiahe area of ​​Jiangsu Province. Large-scale aquaculture is carried out in cities such as Yangzhou and Yancheng. According to incomplete statistics, only Macrobrachium rosenhallensis in Gaoyou has formed a huge industry group with output value of 1 billion yuan. In 2004, the total production of Macrobrachium rosenbergii in Jiangsu Province was 43218 tons, an increase of 6464 tons over 2003. This yield is comparable to that of P. vannamei but less than one-half of the total freshwater shrimp. Expert analysis, Luo in recent years