进入5月,我国自南而北气温逐渐升高,将进入炎夏,养殖的鱼、虾、蟹、贝类摄食旺盛,但也是各种病害多发季节。当前,在海水养殖生产中,为清除敌害,往往大量使用药物,这不仅造成环境污染,还可能危害人们的身体健康。因此,在海水养殖用药时须知以下事项:1、对于一些毒性大、残效期长、不易分 Into May, China’s southern and northern temperatures gradually increased, will enter the summer, farmed fish, shrimp, crabs, shellfish strong feeding, but also a variety of disease-prone season. At present, in the marine aquaculture production, in order to eliminate predators, drugs are often used in large quantities, which not only causes environmental pollution, but also may endanger people’s health. Therefore, in the marine aquaculture medication should be aware of the following: 1, for some of the toxicity, long residual period, not easy to divide