鱼鸭混养互惠互利 ,是实现农民增收的新途径。鸭在水中活动能吃掉水中的青蛙、蝌蚪、水生昆虫等对鱼类有害的生物 ;鱼能利用鸭粪、残饵等鸭产出的废弃物 ,使水质清新、环境良好。混养可消除鱼、鸭养殖的不利因素。鱼鸭混养应掌握以下主要技术。1 .鱼池、鸭舍的建造。鱼池要求选 Fish and ducks mutual benefits, is to achieve a new way for farmers to increase income. Duck swimming in the water can eat water frogs, tadpoles, aquatic insects and other fish harmful organisms; fish can use duck manure, bait and other ducks produce waste, so that fresh water, the environment is good. Polyculture can eliminate the negative factors of fish and duck farming. Fish and duck polyculture should master the following major technologies. 1 fish pond, duck house construction. Fish pond required election