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目前,养鱼最大的威胁是暴发性鱼病并发症,其特点是来势猛、传播快、死亡率高。一般流行于4～10月份,夏季尤甚,严重危害鲢、鳙、鲤、鲫、鳊、鲂等鱼类。盐域市郊区从1992年开始,养殖鱼类就普遍发生暴发性鱼病,笔者经多次参与防治,总结出生态与药物防治把六关的经验如下:1 生态预防关 在养殖中,我们着重在水、种、饵三方面,改进养殖技术。“水”即调节水质,使水色
At present, the biggest threat to fish farming is the complication of fulminant fish disease, which is characterized by a strong tendency to spread rapidly and a high mortality rate. Generally popular in 4 to 10 months, particularly in the summer, a serious threat to silver carp, bream, carp, crucian carp, 鳊, 鲂 and other fish. Salt outskirts of the suburbs since 1992, farmed fish epidemic of outbreaks of fish diseases, the author after many times involved in prevention and treatment, summed up the ecological and drug prevention experience of the six are as follows: 1 ecological prevention in breeding, we focus In water, species, bait three aspects, improve farming techniques. “Water” is the regulation of water quality, so water color