上海淀山湖区域稻田养殖鲤科鱼类效果分析

Production Analysis of Carps Farming in Rice Fields in Dianshan Lake of Shanghai

[目的]探讨在华东地区稻田养殖淡水鲤科鱼类的可行性。[方法]在上海青浦淀山湖区试验点开挖出"十"字鱼沟、侧沟和"丰"字沟3种不同类型的稻田,分别主养"浦江1号"团头鲂、"中科3号"异育银鲫和草鱼生长性新品系鱼种,各稻田同时搭配一定数量的瓯江彩鲤和鲢鳙鱼种,进行水稻和养殖鱼类的生长和产量测定。[结果]稻田养殖鱼类良种具有较高的存活率,其中银鲫的产量较高,养殖草鲂鱼虽然产量低于银鲫,但可以获得体重较大的个体。[结论]上海市淀山湖区域稻田适于开展优良淡水鲤科鱼类的养殖。

[ Objective ] To explore the feasibility of freshwater carps fanning in paddy field in east China. [ Method 3 In Shanghai Qingpu District Dianshan Lake test points, three kinds of rice fields were excavated with ＂cross＂ fish ditch, side ditch and ＂Feng＂ word ditch paddy. The ＂Pujiang No. 1＂ blunt snout bream, ＂Zhongke No. 3＂ silver crucian carp and grass carp new breed were farming in these 3 rice fields, respectively, with a certain number of Oujiang color carp, silver carp and bighead carp. The growth and production rice and fish were measured. [ Result] The fish good breeds in rice paddies have higher survival rates. Fanning crucian carp in rice field has the highest production, but much bigger individuals were obtained by cultivation of grass carp and blunt snout bream in paddy fields. [ Conclusion ] Shanghai Dianshan Lake paddy areas are suitable for carrying out good breeds of freshwater carps farming.