Journal article

The metabolism of phosphorus and calcium in sheep during intravenous infusion of phosphorus

KM Schneider, RC Boston, DD Leaver

Australian Journal of Agricultural Research | Published : 1982


The metabolism of calcium and phosphorus in mature sheep, given firstly a chaff diet and then chaff with an intravenous supplement of 1.5-2.0 g/day of phosphorus, was studied by using tracer techniques and compartmental analysis. Absorption was also studied by deconvolution analysis and a technique relating the excretion of tracer in faeces to that of an insoluble marker. Under the conditions of the experiment most of the additional phosphorus infused intravenously was excreted in the faeces, and this was due to a concurrent increase in the endogenous secretion and a decrease in the efficiency of absorption of phosphorus. In sheep given 2.0 g of phosphorus per day, the phosphorus concentrati..

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