随着养鱼技术不断普及与提高,小水面精养高产技术在大水面逐步得到广泛应用。但精养水体鱼类一旦发病,易使病情扩散。采用“以防为主、防治结合”的办法,会大大减少或杜绝鱼病的发生,能起到事半功倍的效果。 With the continuous popularization and improvement of fish farming techniques, small-scale water-saving and high-yielding techniques have been widely applied in large water areas. However, once the intensive water body fish disease, easy to make the condition spread. Adopting the principle of “prevention first, combination prevention and treatment” will greatly reduce or eliminate the occurrence of fish diseases and can play a multiplier effect.