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磷是鱼类生长、骨骼发育和繁殖所必需的营养素。饲料中磷的平衡供给能抑制缺乏症的发生，如骨骼畸形；同时可以降低粪和尿中磷的排出，从而减少饲料磷向自然水体的排放。作为核酸和磷脂的重要组分，磷直接参与所有产生能量的胞内反应，保证细胞膜结构的完整，并维持各种细胞功
Phosphorus is a nutrient essential for fish growth, bone development and reproduction. The balanced supply of phosphorus in feed can inhibit the occurrence of deficiency, such as skeletal deformities; at the same time can reduce the excretion of phosphorus in manure and urine, thereby reducing the feed phosphorus to natural water emissions. As an important component of nucleic acids and phospholipids, phosphorus is directly involved in all intracellular reactions that produce energy to ensure the integrity of the cell membrane structure and maintain various cell functions