RELATIONSHIP BETWEEN INORGANIC PHOSPHORUS AND INORGANIC CALCIUM IN CHICKEN BLOOD PLASMA

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Abstract
Male crossbred broiler-type chickens were fed graded levels of dietary phosphorus from hatching to 4 weeks of age. Plasma inorganic phosphorus and plasma inorganic calcium were determined on aliquots of blood plasma samples taken when the chickens were 4 weeks of age. The level of plasma inorganic phosphorus decreased when the chickens were fed low levels of dietary phosphorus. The level of plasma inorganic calcium was inversely related to the plasma inorganic phosphorus level. Regression equations were different for each of the four dietary phosphorus levels fed. The sum of plasma inorganic phosphorus and plasma inorganic calcium was very similar for the four treatments.
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