开春冰化完后 ,不少池塘里发现鱼游向池边 ,活动迟缓 ,受惊动无多大反应 ,没几天就逐渐见到死鱼。症状都是身体、鳍上、头部布满棉絮状的“长毛”。这就是水霉病 ,防治的方法如下 :首先是减少感染水霉菌的机会。在秋季并塘或定塘时操作要细致 ,切忌粗糙。用光滑的桶、盆 ,手指 After the spring ice, many ponds found the fish swim to the edge of the pool, activities slow, no response by surprise, a few days gradually see the dead fish. Symptoms are the body, the fin, the head covered with cotton-like “long hair.” This is the water mold, prevention and treatment as follows: The first is to reduce the chance of infection with water fungus. In the fall and ponds or pond operation should be meticulous, should not be rough. Use smooth buckets, pots, fingers