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网箱养鱼,一般都是在大水面或流水中进行。试验证明,在坑塘小水体中用网箱养鱼,也能取得可喜的成绩。 在河北冀州市冀州镇三里庄村后,有一东西长180米,南北宽100米,水深都在5～7米的长方形出土坑。3年前,三里庄村村民李存果开始承包养鱼。由于水太深,不容易清池,每年只能放些鲢鳙鱼和少量草鱼,效益一直不理想。水体也得不到充分利用。去年春季放了3个罗非鱼
Cages fish, are generally carried out in the water or running water. Experiments show that cage ponds in small water cage with fish, but also to obtain gratifying results. Jizhou City, Hebei Province, Jizhou Town Sanli Village, there is a thing 180 meters long, 100 meters wide from north to south, water depth of 5 to 7 meters rectangular excavation pit. Three years ago, Lee Cunguo, a villager in Sanlizhuang Village, started contracting fish. As the water is too deep, it is not easy to clear the pond, only put some silver carp and bighead carp and small amount of grass carp per year, the benefit has been unsatisfactory. Water bodies are not fully utilized. Last year put 3 tilapia in spring