鱼病预防“三步曲”鱼病防治一般遵循“以防为主、防治结合”的原则，体现了“防”的重要性。如何突出防的作用，笔者认为要“奏”好如下三步“曲”。一、放养前鱼病预防鱼种放养前池塘彻底清整、消毒对整个养殖过程的鱼病预防有举足轻重的作用。池塘清整是指清除池塘里过... The prevention and treatment of “three steps” fish diseases in fish disease prevention generally follows the principle of “prevention first, prevention combined with prevention”, and reflects the importance of “prevention”. How to highlight the role of prevention, I think to “play” the following three steps “song.” First, the fish stocking prevention before stocking Species ponds thoroughly cleaned before disinfection of the entire breeding process of fish disease prevention play a decisive role. Pond cleaning is to clear the pond too ...