鱼鸭混养是一种综合养鱼的好模式。一方面,鸭子可以取食病鱼、水生昆虫的幼虫等有害生物,消除对鱼类生长的不利影响,同时,鸭粪落入水中,小部分以有机腐屑的形式直接被鱼所食,大部分经游离分解,被水 Fish and ducks polyculture is a good model of integrated fish. On the one hand, ducks can eat pests such as sick fish and larvae of aquatic insects and eliminate the adverse effects on the growth of fish. Meanwhile, duck feces fall into the water and a small part is fed directly by the fish in the form of organic decayed crumbs Part of the free decomposition, was water