南美白对虾又称白肢虾、白对虾,因其壳薄体肥,生长速度快,盐度适应广,抗病能力强等特点,近几年在我国推广养殖很快。根据笔者调查发现,不同养殖户的养殖成活率相差很大,有的高达88%以上,有的则不到30%。现将影响南美白对虾淡水养殖成活率的几个主要因素归纳如下,供参考。1.虾苗 South American white shrimp, also known as white limb shrimp, white shrimp, shell thin body fat, fast growth, wide adaptation to salinity, disease resistance and other characteristics, in recent years to promote rapid breeding in China. According to the author’s investigation, the survival rates of different farmer’s breeds vary greatly, some of them are over 88%, while others are less than 30%. Now affect the survival rate of P. vannamei survival of several major factors summarized below, for reference. Shrimp