一、新三病的概念及症状在华中地区,相信很多养殖工作者都碰到过这种草鱼病:发病初期,鱼吃食非常正常,极少的草鱼离群于池边独游、全身发黑、捞起来一看,大都是烂鳃、有时伴有赤皮、鳍的末端乱掉、尾鳍更明显;有的口腔充血;解剖后明显肠炎、有时伴有肝胆病。这就是笔者 First, the concept of the new three diseases and symptoms In central China, I believe many breed workers have encountered this kind of grass carp disease: early onset, the fish eat very normal, very few grass carp swarmed in the pool alone tour, black body , Picked up a look, mostly rotten gills, sometimes accompanied by red skin, the end of the fin chaos, the caudal fin more obvious; some oral congestion; obvious intestinal inflammation after dissection, sometimes accompanied by hepatobiliary disease. This is the author