南美白对虾是1988年从国外引进,1999年池塘淡水养殖获得成功以来,养殖户效益明显,且南美白对虾壳薄肉嫩、出肉率高,深受广大消费者欢迎。但随水环境变化等因素导致虾病频发,产量不高,效益较低,有的养殖户辛苦一番,不但没收入,且造成亏本。为提高虾的养殖产量,增加虾农的经济效 Penaeus vannamei was introduced from abroad in 1988, the success of pond freshwater aquaculture was successful in 1999, farmer benefit is obvious, and Penaeus vannamei thin tender meat, a high rate of meat, welcomed by the vast number of consumers. However, with the changes in water environment and other factors lead to frequent shrimp, yield is not high, low efficiency, and some farmers hard, not only did not income, and caused a loss. In order to increase shrimp farming output, increase the economic efficiency of shrimp farmers