一、材料和方法1.鱼池条件为水库坝外鱼池,进排水方便,面积3.3亩,水深在1.5米左右,沙底易渗漏,水源为水库上层水。另配增氧机一台。2.鱼种放养2月份放养草鱼种1000尾,平均规格为100克/尾左右,6月上旬再投放白鲢火片3300尾。7月初再套养鳜鱼火片20尾,另配养建鲤寸片50尾,高背鲫? I. Materials and Methods 1. The conditions of the fish ponds are fish ponds outside the dam. The drainage area is 3.3mu and the water depth is about 1.5m. The sand bottom is easily seepable and the water source is the upper water of the reservoir. An additional oxygenator Taiwan. 2. stocking stocking grass stocking stocked in February 1000, the average size of about 100 grams / tail in early June and then put the silver carp 3300 pieces of fire. At the beginning of July, twenty mandarin fish were educed, and 50 rearing carp pieces were prepared.