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一、肠炎病:主要危害草鱼。病鱼离群独游,腹部膨大,肛门红肿外突,严重的鳍条基部充血,腹部出现红斑,体色乌黑,用手压腹部有血黄色粘液从肛门流出。一般用磺胺胍掺入食物中制成药饵进行防治,每10公斤鱼每天用药0.5克,每天投喂1次,6天为一个疗程。二、打印病;主要危害鲢、鳙鱼。病鱼通常在身体后部两侧出现圆形、卵圆形或椭圆形红斑,严重时肌肉烂穿,露出骨骼和内脏。常用1ppm漂白粉或
First, enteritis disease: the main harm grass carp. Diseased fish outing solitary tour, abdominal swelling, swelling of the anus, severe basilar congestion, erythema in the abdomen, black body color, hand pressure abdominal bloody yellow mucus from the anus. General Sulfaguanidine spiking into the food made of bait for prevention and treatment, every 10 kilograms of fish daily medication 0.5 grams, 1 day feeding, 6 days for a course of treatment. Second, print the disease; major harm to silver carp, bighead carp. Diseased fish usually appear round, oval or oval erythema on both sides of the back of the body, severe muscle rotten wear, exposing the bones and internal organs. Commonly used 1ppm bleach or