近年来，南美白对虾以其生长快、规格大、抗病能力强、肉质鲜美且能在淡水中养殖等优点，而使养殖者趋之若骛。部分省区还通过政府行为，用派任务、下指标、给政策等方式，鼓励农民养殖南美白对虾。去年，仅广东、海南、广西沿海三省区就新增虾池近１０万亩，新增面积是原有中 In recent years, white shrimp Penaeus vannamei with its fast growth, large size, strong disease resistance, delicious meat and can be cultured in freshwater, etc., leaving farmers flocking. Some provinces and autonomous regions also encouraged peasants to cultivate P. vannamei through governmental actions, using missions, indicators and policies. Last year, only 10 million mu of shrimp ponds were newly added to the three provinces and autonomous regions in Guangdong, Hainan and Guangxi coastal areas. The newly added area is the original