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80比20池塘养鱼,是指饲养池在收获时总产量中约80%由摄食颗粒饲料的主养鱼所组成,其余约20%产量由“服务性”鱼,如滤食性或肉食性鱼类组成。该技术在我国通过几年的应用,取得了显著成效,是传统池塘养鱼模式的有效创新。
80 to 20 Pond fish culture means that about 80% of the total catch at the feedlot is made up of the main fish fed pellets and the remaining about 20% of the output consists of “serviceable” fish such as filter feeders or carnivores Class composition. The technology has achieved remarkable results through several years of application in our country and is an effective innovation of the traditional pond fish culture mode.