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平均放养密度Averagestockingdensity高密度放养Highstockingdensity温水循环系统Warmwaterrecirculatingsystem恒定水温Constantwatertemperature鱼类营养生理学Physiologyoffishnutrition无鱼粉饲料Fishmeal-freefeed单细胞绿藻Unicellulargreenalga含脂量低Lowfatcontent成本效益分析COst-profitanalysis水肿病Dropay放养率Stockingrate
Average Stocking Density Averagestockingdensity High Density Stocking Highstockingdensity Warm Water Circulation System Constant Water Temperature Constantwatertemperature Fish Nutrition Physiology Physiologyoffishnutrition Fishmeal-freefeed Single-Cell Green Algae Unicellulargreenalga Low Fat Content Lowfatcontent Cost Benefit Analysis COst-profitanalysis Edema Disease Dropay Stockingrate Stockingrate