春末夏初,水温逐渐升高,养殖动物的致病因素及敌害生物也随之增多,加上养殖水域环境的污染,病害呈暴发性地发生。因此,广大养殖户应引起高度重视,坚持“以防为主,防重于治,防治结合”的原则,做到防患于未然。根据笔者多年实践,现鱼、虾、蟹三种易暴发疾病的综合防治方法介绍如 Early spring and early summer, the water temperature gradually increased, the risk factors of animal breeding and predatory organisms also will increase, coupled with the pollution of aquaculture water environment, the disease occurred in an outbreak. Therefore, the majority of farmers should attach great importance to adhere to the principle of “taking prevention as the mainstay, preventing and controlling as the principle and combining prevention with prevention” so as to take preventive measures in the first place. According to the author for many years of practice, the current fish, shrimp, crab three kinds of integrated disease prevention and control methods such as introduction