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1991年5—10月,我县各地发生了鲢鱼暴发病,死亡率50％以上,有的甚至全部死光,使不少养鱼户造成巨大经济损失。死鱼对象先是鲢鱼、鳊鱼、白鲫,其次是草鱼、鲤鱼、青鱼等。为了有效地防治此病,笔者与当地农友一道,选用多种药方进行治疗实验,从中得出下列药方疗效最好。现介绍如下: 1.每亩水深1米用生石灰25kg、硫酸铜350克,兑水溶解后配成混合液,全塘均匀泼洒,轻者即可停止死鱼。严重者在施药过3天后接着用井岗霉素乳剂1瓶,兑水稀释后全塘均匀泼洒即可。 2.每亩水深1米用生石灰30kg,兑水化成热石灰乳浆全塘均匀泼洒,过3天后接着用香烟浸液全塘泼洒(每亩水深1米,选用便宜香烟8包或干旱烟400—500克铡碎,用3—5公斤开水浸泡6小时可用)只需一次可愈。此外,为了控制发生此病,笔者认为在常年
From May to October 1991, silver carp broke out in various parts of our county, with a mortality rate of over 50%. Some even completely died out, causing many fish farmers to cause huge economic losses. The first dead fish object is silver carp, bighead carp, white carp, followed by grass carp, carp, herring and so on. In order to effectively prevent and treat this disease, the author and local farmers, choose a variety of prescriptions for treatment experiments, derived from the best efficacy of the following prescriptions. Now introduced as follows: 1 acre depth of 1 meter with quicklime 25kg, 350 grams of copper sulfate, watered with water after mixing into a mixture, the whole pond evenly sprinkle, the light can stop dead fish. In severe cases, 3 days after the application followed by Jingangmycin emulsion 1 bottle, dilute the whole pond evenly sprinkle can be. 2 per acre depth of 1 meter with quicklime 30kg, watered into hot lime milk whole pond evenly sprinkle, after 3 days and then with a full immersion of cigarette soak (1 m per mu depth of water, use 8 packets of cheap cigarettes or Drought 400 -500 g 铡 broken, soaked with 3-5 kg of water 6 hours available) can be more than once. In addition, in order to control the occurrence of the disease, I believe that all year round