防治鱼病是鱼种越冬阶段的一个重要环节,也是提高鱼种成活率的主要措施之一。在鱼种越冬期间,比较常见的疾病有如下几种:一、赤皮病主要是并池拉网等原因造成的,鱼种在整个越冬期都有发生。病鱼体表局部或全部出血发炎,鳞片脱落,尤其在两侧和腹部比较明显。有的鱼在鳍基部充血, Prevention and treatment of fish disease is an important part of the fish overwintering stage, but also one of the main measures to improve the survival rate of fish species. Overwintering species during the fish, the more common diseases are as follows: First, red-skin disease is mainly caused by the pool and pull the net and other species throughout the winter have occurred. Partial or complete diseased fish body surface inflammation bleeding scales off, especially on both sides of the abdomen and more obvious. Some fish in the fin base congestion,