水环境是池塘养殖中的首要限制因子,下面将几种不良水质引起的常见疾病及防治方法介绍如下:1泛池1.1病因主要是由水中缺氧引起的。1.2症状池鱼因缺氧而群集水面,吞吸空气,称之为浮头。当水中溶氧降到1 mg/L时,青鱼、草鱼、鲢、鳙、鳊等就开始浮头。如持续一定时间,水中含氧量持续降低,鱼类就会窒息死亡。 Water environment is the primary limiting factor in the pond culture, the following will be several common diseases caused by poor water quality and prevention methods are described below: 1 Pan-Pond 1.1 Etiology is mainly caused by hypoxia in the water. 1.2 Symptoms pond fish due to lack of oxygen and water surface, swallow air, call it floating head. When dissolved oxygen in water dropped to 1 mg / L, black carp, grass carp, silver carp, 鳙, 鳊, etc. began floating head. If it persists for some time, the oxygen content in the water will continue to decrease, and the fish will suffocate and die.