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由于受自然条件限制,多年来西北地区主要以养殖“四大家鱼”及鲤、鲫等杂食偏植物性饲料鱼类为主,在养殖生产中自繁的野杂鱼作为副产品,每年需花费20元/亩左右的饲料损失及清理费用,给渔民群众带来较大的经济损失。为此,经笔者查阅大量资料,考察当地水质及水体中基础饵料生物资源状况,决定在池塘中套养肉食性凶猛鱼类加洲鲈,既杜绝饲料损失又提高养殖户的经济效益,可谓是一条行之有效的增收途径。
Due to natural conditions, over the years in Northwest China mainly to breeding “four major domestic fish ” and carp, crucian carp and other omnivorous feed animal fish mainly in the breeding production since the wild wild trash as a by-product each year Spent about 20 yuan / mu loss of feed and cleaning costs, to the fishermen to bring greater economic losses. To this end, the author access to a large amount of information, to investigate the local water quality and basic biological state of water in the body of water, decided to raise carnivorous ferocious fish in the pond perch, both to eliminate feed losses and increase the economic benefits of farmers, it can be described as An effective way to increase income.