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在饲料价格上涨的情况下,要提高养鱼经济效益,节省饲料是有效措施之一。现简介省料的5种方法: 1、以草代料每亩水面种4分田的优质牧草,种一次草可割几茬。以牧草喂鱼,可少用或不用饲料.牧草一般亩产5吨,平均每25公斤青料长1公斤鱼。此外,鱼食青料,不易得病。 2、诱蝇育蛆夏季在鱼塘水面安装数盏6瓦灯泡,每盏电灯每晚可诱得蚊蝇、螟虫等5~6公斤,或在塘面上吊一只瓷盆,内装畜肉诱蝇育蛆。大量蛆虫沿盆边爬出掉入水中,成为鱼饵佳肴。一般2公斤蝇蛆可长1公斤鱼。 3、禽鱼混养家禽粪便含蛋白质、矿物质
Feed prices in the case, to raise the economic benefits of fish farming, feed saving is one of the effective measures. Now the introduction of five kinds of methods of saving material: 1, to the grass on behalf of the water per mu of 4 species of high quality forage grass, a grass can cut a few stubble. Feeding forage grass, with little or no feed.Forage generally 5 tons per mu, an average of 25 kilograms of green material per 1 kilogram of fish. In addition, fish food green material, not easy to get sick. 2, fly maggot lure maggot in the pond in the summer to install the number of 6-watt light bulbs, each lamp can be induced nightly mosquitoes, stem borers 5 to 6 kg, or in the pond surface hanging a porcelain pot, Education maggots. A large number of maggots crawling out of the basin along the water into a bait. General 2 kg maggots can grow 1 kg of fish. 3, poultry polyculture poultry manure containing protein, minerals