猪、鸭、鱼综合饲养,已在我国很多地方推广,都取得了较高的经济效益。1986年,我们在广西利用6.7亩的小山塘作试验,把养鱼同养猪、养鸭结合起来,让猪鸭粪尿直接下塘养鱼,取得了平均每亩产鱼421.94公斤,每亩纯收入630.8元的好成绩。现将本项工作简介如下: 材料与方法:鱼塘面积6.7亩,鱼塘水源主要靠山洪雨水。每年3月份以后,鱼塘 Pigs, ducks, fish, integrated feeding, has been promoted in many parts of our country, have achieved higher economic benefits. In 1986, we experimented with 6.7-hectare small ponds in Guangxi and combined them with pigs and ducks to make pigs and pigs excrement and urine directly under the ponds and obtained an average of 421.94 kilograms of fish per mu per mu Good income of 630.8 yuan net income. Now this work is as follows: Materials and methods: fish pond area of ​​6.7 acres, the main source of fish pond rainwater flood. After March each year, fish ponds