近年来，一些水产养殖户对鱼鸭混养有争议：有的认为鱼鸭混养好，可促进鱼鸭双丰收；有的则认为，鱼鸭混养会影响鱼的产量，得不偿失。其实，鱼鸭混养好不好，关键是得法不得法。 如何进行鱼鸭混养才算得法呢？ 一、放养鱼种要适当在鱼鸭混养的池塘里，应以养殖罗非鱼为主，其? In recent years, some aquaculture farmers have controversial opinions on the fish polygamy. Some people think that the fish polygamy is good and can promote the double bumper harvest of fish and ducks. Some people think that the fish polyculture will affect the fish production more than the loss. In fact, fish and ducks polyculture is not good, the key is not law. How to fish and duck polyculture is it? First, the stocking species should be properly mixed ponds in fish and ducks, tilapia should be the main culture, its?