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１．目前对虾主要的病毒性疾病有几种？如何进行防治？ 当前对虾的主要病毒性疾病有“白斑病”及“桃拉症”，防治的方法为：①种苗须经过病毒检测确定无毒后，才能进入养殖环境；②投喂优质的全价饲料，并在饲料内添加０．２％“多糖”、０．１％“人参皂甙”及稳定型０．２％
1. At present, there are several major viral diseases shrimp? How to control? The current main shrimp virus diseases are “white spot disease” and “Tau pull disease”, prevention and control methods are as follows: ① seedlings to be virus-free test to determine non-toxic before entering the farming environment; ② feeding high-quality full-price feed, And add 0.2% “polysaccharide”, 0.1% “ginsenosides” and stable type 0.2%