近几年来,由于实施了高密度养殖及过度投饵、施肥、再加上池塘老化和受水质污染等影响,各地鱼、虾、蟹等水生动物的病害较为严重,一些养殖者往往病急乱投区,乱用滥用药物,而造成较大的经济损失。笔者根据多年使用药物防治水生动物病害的经验,结合有关资料,将常用药物的应用效果及注意事项介绍如下,供养殖者参考。 In recent years, aquatic animals such as fish, shrimp and crab have been severely affected by aquaculture due to high-density farming and over-feeding, fertilization, and pond aging and water pollution. Some farmers are often in panic Investment Zone, indiscriminate use of drugs, resulting in greater economic losses. The author based on years of experience in the prevention and treatment of aquatic animal diseases with drugs, combined with the relevant information, the commonly used drugs, the application effects and precautions are described below for reference for farmers.