鱼在水中生活,环境比较复杂,发病的潜在危险无时不有。掉以轻心,则鱼病流行,认真对待,才可免遭病难。但是,鱼在水中不易直观,轻病难以察觉,一旦发现,已是重症,诊断和治疗均有困难。所以,必须着眼于预防和早治,贯彻无病先防,防重于治的原则。一、日常预防措施 1.增强鱼的抗病力。从鱼体本身即内因入手防病是最根本 Fish live in the water, the environment is more complex, the potential risk of onset all the time. Take it lightly, then the fish disease epidemic, take seriously, before suffering from illness. However, the fish in the water is not easy to visualize, undetected mild illness, once found, is already critically ill, diagnosis and treatment are difficult. Therefore, we must focus on the prevention and early treatment and implement the principle of disease prevention and prevention and prevention of diseases. First, the daily preventive measures 1. Enhance the fish’s disease resistance. From the fish itself is the internal cause of disease prevention is the most fundamental