鱼塘养鸭鱼肥鸭壮鱼塘养鸭，鱼鸭结合（即水下养鱼、水面养鸭）有许多好处：鱼塘养鸭可以为鱼增氧鱼类生长，需要足够的氧气。鸭于好动，在水面不停浮游、梳洗、嬉戏，一方面能将空气不断压入水中；另一方面也可将上层饱和溶氧水搅入中、下层，有利于改善鱼塘中、下层水中... Fish ponds Duck fish Duckfish pond ducks, fish and ducks combine (that is, underwater fish, surface ducks) has many benefits: Duck fish ponds can be fish for oxygenated fish growth, need enough oxygen. On the other hand, it can stir the upper saturated dissolved oxygen water into middle and lower layers, which will help to improve the middle and lower layers of fish ponds Water ...