大水面养鱼,由于水体面积大、水位深,必须采用综合防治措施,才能收到良好的效果。1.投放大鱼苗规格大的鱼苗抗敌害和抗病害能力强,大水面放养的鱼苗要求青鱼、草鱼尾重250克以上,鲤鱼、团头鲂50克以上,鲢鱼、鳙鱼100克以上。2.鱼苗消毒鱼苗投放前,宜集中在容器或小池中药浴15～ Due to the large area of ​​the water body and the deep water level, large-scale fish culture must adopt comprehensive prevention and control measures in order to receive good results. 1. put large fry specifications fry anti-predators and anti-disease ability, large water surface stocking requirements of herring, grass carp tail weight more than 250 grams, carp, bream 50 grams or more, silver carp, catfish more than 100 grams . 2. fry disinfection fry put before, should focus on the container or small pool of Chinese medicine bath 15 ~