一、生产条件 鱼池面积3—15亩:池深2.5米以上,水深2米以上。有比较完善的进排水设施,能自流排灌,水流无死角,土质宽埂,有渔业生产的大环境,有健全的供水、供电、供肥、供饵、运输、市场等子系统。水量充足,水温在18℃—33℃之间,溶解氧每升水在5毫克以上,酸碱度为中性或略偏碱性,透明度在40厘米以 First, the production conditions Fish pond area of ​​3-15 acres: pool depth of 2.5 meters above the water depth of 2 meters or more. There is a relatively perfect water supply and drainage facilities, capable of drainage and drainage, no dead water flow, wide soil, fishery production environment, a sound water supply, power supply, for the bait, transportation, marketing and other subsystems. Adequate water, water temperature between 18 ℃ -33 ℃, dissolved oxygen per liter of water in more than 5 mg, pH is neutral or slightly alkaline, the transparency of 40 cm