万年县拥有小型水库 1 86座 ,养殖面积计1 41 8.2公顷 ,占全县养殖水面的 41 .2 7%。长期以来 ,这些水面大部分是人放天养 ,粗放经营 ,产量低 ,效益差。但还有 1 0 %左右的水面能获得高产量 ,高效益。例一 :裴梅镇郑家小 (一 )型水库 ,1 993年采取鱼、蚌、猪综合养殖模式 ,经过 There are 866 small reservoirs in Wannian County, with an area of ​​4182.2 hectares of aquaculture, accounting for 41.27% of the aquaculture water in the county. For a long time, most of these water surfaces are manned and run extensively with low yields and poor returns. However, about 10% of the water surface can obtain high yield and high efficiency. Example 1: Zhengjia Xia, Pei Meizhen (a type of reservoir), in 1993 to take fish, mussels, pigs integrated breeding mode, after