近年来，随着我市水产养殖集约化程度的不断提高，加上水域环境的恶化，水产养殖病害问题日益突出，用药量也随之不断上升。但由于不少养殖户不懂药物的性能和给药方法，药害事故不断发生，损失较大，有些塘口甚至绝收，严重挫伤了养殖户的生产积极性。据调查分析，常见药害事? In recent years, with the continuous improvement of aquaculture intensification in our city, coupled with the worsening of the water environment, the problem of aquaculture diseases has become increasingly prominent, and the dosage has also been on the rise. However, many farmers do not understand the performance and administration methods of drugs. Injuries and injuries have occurred continuously and the loss is relatively large. Some ponds even fail to meet their needs, which seriously dampen the enthusiasm of farmers. According to the investigation and analysis, common drug harm?