江苏里下河地区鸭鱼共养模式研究

Study on the Mixed Cultivation Model of Duck and Fish in Lixiahe Region of Jiangsu Province

[目的]探讨江苏里下河地区半放养情况下鸭鱼共生比例关系。[方法]通过鸭鱼共养试验测定鸭日排粪量和鱼塘中鸭粪的施肥量,并观测正常养鸭情况下河塘水质情况和鱼的生长情况。[结果]每只鸭每天排出153 g新鲜粪。鸭粪中干物质含量为44.83%,全氮含量为1.67%,全磷含量为0.92%,全钾含量为1.62%。采用鸭鱼共养模式可以提高江苏里下河地区养殖的综合效益。[结论]鸭鱼共养模式在江苏里下河地区具有较高的推广价值。

[ Objective ] The research aimed to discuss the proportion of duck and fish in the mixed cultivation under the semi-rearing conditions in Lixiahe Region of Jiangsu Province. [ Method ] The daily feces amount of duck and the fertilization amount of duck feces in the fish pond were determined by using the mixed cultivation test of duck and fish. And the water quality in the pond under the normal cultivation conditions of feed-ing duck and the growth situations of fish were observed. [ Result] A duck defecated 153 g fresh feces every day. The dry matter content in duck feces was 44.83% ,total nitrogen content was 1.67%, total phosphorus content was 0.92% and total potassium content was 1.62%. The compre-hensive culture benefits could be enhanced by using the mixed cultivation model of duck and fish in Lixiahe Region of Jiangsu Province. [ Conclu-sion ] The mixed cultivation model of duck and fish was of higher popularization value in Lixiahe Region of Jiangsu Province.