摘要磷是用于评定家禽日粮营养的常用指标,磷的营养作用可以列能量和蛋白质之后居第三位。许多文献都对家禽磷的需要量和利用率进行了报道。在许多研究中,都选体重和胫骨灰分测量评估不同来源磷的吸收率。Gillis 等(1954)指出:用胫骨灰分百分数作为磷化合物的生物学价值的评定与Bliss 1952年测定鸡维生素 D
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