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3.适时放虾苗 南美白对虾最适生长水温为 22～ 35℃，在此水温范围内放虾苗养殖，生长速度快，摄食量大，体质健壮，抗病力强。南美白对虾生活在偏低水温的环境中则摄食量小，体质弱，生长慢，从而养成成活率低。因此南美白对虾在我国南方的放养时间是 4～ 5月份较合适。
3. Proper release of shrimp South American white shrimp optimum growth temperature of 22 ~ 35 ℃, shrimp breeding in this water temperature range, fast growth, food intake, robust physique, disease resistance and strong. Penaeus vannamei life in low water temperature environment, the food intake is small, weak constitution, slow growth, resulting in low survival rate. Therefore, P. vannamei stocking time in southern China is 4 ~ May more appropriate.