我们于2005年进行池塘主养湘云鲫高产试验,试验面积2.8亩,总产2638.6kg,其中:湘云鲫2001.7kg,平均亩产714.9kg,花、白鲢平均亩产227.4kg。湘云鲫成活率92.7%,平均规格482g,最大规格达765g,饲料系数1.6,投入产出比1:1.48。现将试验情况总结如下:一、材料与方法1、池塘条件试验地 In 2005, we conducted high-yielding trial of pond crucian carp with the test area of ​​2.8 mu and the total output of 2638.6 kg, of which: 2001.7 kg of carp Carassius auratus, 714.9 kg of average per mu, and 227.4 kg of average per mu of flowers and silver carp. Crucian carp survival rate of 92.7%, the average size of 482g, the maximum size of 765g, feed factor 1.6, input-output ratio of 1: 1.48. Now the test is summarized as follows: First, materials and methods 1, the pond conditions to test