青鱼是我国四大家鱼之一,其孵化技术早在上个世纪60年代就已经研究试验成功。然而,由于当时饲料营养的研究不够,青鱼高密度集约化养殖的配合饲料问题无法解决。天然饵料,如螺蛳、河蚬等在我国大多数养殖地区都不能满足养殖的需要。更重要的是一龄苗种的饲料问题没有解决,严重的 Herring is one of the four major domestic fish in China. Its hatching technology has been successfully researched and experimented in the 1960s. However, due to insufficient research on feed nutrition at that time, the problem of compound feed for high-density intensive farming of herring could not be solved. Natural bait, such as snail, river tuna and other breeding areas in most of our country can not meet the needs of farming. More importantly, the problem of feed for the first instar seed is not solved, serious