黄颡鱼虽然抗病力强,但随着养殖密度增大,加上管理和操作不当,也会引起疾病发生。现将其常见疾病和防治方法介绍如下:1.细菌性肠炎(1)病原。病原为点状产气单孢杆菌。(2)病症。病鱼腹部膨大,肛门红肿,轻压腹部,肛门有黄色粘液流出。肠道发炎,呈浅红色,充满血脓。病鱼离群靠岸独 Cattle Although the disease resistance, catfish, but with the breeding density increases, together with the management and improper operation, can also cause disease. Now its common diseases and prevention methods are as follows: 1. Bacterial enteritis (1) pathogen. The pathogen is Corynebacterium aeruginosa. (2) illness. Diseased fish abdominal swelling, anal swelling, light pressure on the abdomen, anal yellow mucus outflow. Intestinal inflammation, pale red, full of blood pus. Diseased fish frayed alone