在往年的鲤鱼人工繁殖生产中,我们通常采用池塘孵化鲤鱼卵。生产实践表明,此种孵化方法存在着孵化率高低差异较大、不便于防病管理和鱼苗放养量不准等问题。去年我们采用网箱孵化鲤鱼卵,取得了较好效果。在网箱中共放鲤受精卵205万粒,孵出鱼苗160万尾,孵化率达78%。一、孵化方法和管理 In the past years, carp artificial breeding production, we usually use the pond hatching carp eggs. Production practice shows that there is such a hatching hatch different rates of high and low, not easy to prevent disease management and fish stocking levels are not allowed to wait. Last year we hatched carp eggs with cages, and achieved good results. In the cages, a total of 2.05 million carp zygotes were hatched, and 1.6 million hatched fry hatched at a rate of 78%. First, the incubation method and management