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1.水面选择 发展网箱养殖鲢鳙鱼的溪河应无严重的工业污染,河床底质肥沃,水质较肥,水源较稳定,枯水期水深超过3米,洪水期危害不严重,常年具有微流水。 2.网箱安置 安置网箱的河段水要深,并靠近回水湾.用楠竹扎成网箱浮架,网箱系于框架上固定。选用聚乙烯材料的网箱,规格以4米× 3米× 2来为宜.鱼种箱网目1厘米,成鱼箱网目3厘米.以数个网箱为一组顺序排列,两组网箱之间保持200米以上的间距。
1. Water surface selection Development of cage Silver carp and bighead carp ponds should have no serious industrial pollution. The river beds are fertile, the water quality is relatively fat, the water source is stable, the water depth is more than 3 meters during the dry season, and the flood season is not endangered. . 2. Cage Placement Cage section of the river to deep water, and close to the backwater bay with bamboo cage into a cage floating frame, the cage is fixed on the frame. Selection of cages of polyethylene material, specifications to 4 m × 3 m × 2. Fish species net 1 cm, into a fish net 3 cm. To a number of cages for the order of the two groups Cages to maintain a distance of 200 meters above.