细菌性烂鳃病、肠炎病、赤皮病,这“老三病”是草鱼养殖中较为严重的常见病,若防治不当,往往造成重大损失。现介绍一套中药、西药、草药轮番使用,内服外治相结合的综合防治方法,供养鱼者选用。1.大黄50%、黄柏30%、黄芩20%,共研成粉(俗称“三黄粉”)。按每100千克鱼重用“三黄粉”700克、食盐500克、麦麸5千克,加水调匀制成适口药饵投喂,每天1次,连喂3天。2.大黄、黄柏、黄芩各25%,生栀子、大蒜各12.5%,研碎成粉。按每100千克鱼重用药粉500克,均匀拌于饵料中投喂,每月1次,每次连续投喂3～5天。3.每100千克鱼重用铁苋菜、地锦草各400克,菖 Bacterial gill disease, enteritis disease, red-skin disease, this “third-year disease” is a more serious common disease of grass carp breeding, if the prevention and treatment are not properly, often resulting in heavy losses. Is now introduced a set of traditional Chinese medicine, Western medicine, herbal turns use, oral administration of a combination of integrated prevention and control methods for the selection of fish. 1. Rhubarb 50%, Treats 30%, 20% skullcap, a total of research into powder (commonly known as “three yellow powder”). According to every 100 kilograms of fish reuse “three yellow powder” 700 grams, 500 grams of salt, wheat bran 5 kg, add water and mix it into a palatable bait fed 1 day, and even fed 3 days. 2. Rhubarb, Treats, Scutellaria 25%, raw gardenia, garlic 12.5%, crushed into powder. According to 100 kg of fish re-use powder 500 grams, evenly mixed in feed feeding, once a month, each feeding for 3 to 5 days. 3. Every 100 kilograms of fish reused amaranth, Fusarium 400 grams, calamus