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  • Title: Field rickets in turkey poults: biochemical findings.
    Author: Olson WG, Dziuk HE, Walser MM, Hanlon GF, Waibel PE, Stevens JB, Jorgensen NA.
    Journal: Avian Dis; 1981; 25(2):550-4. PubMed ID: 6973335.
    Abstract:
    Two clinical cases of field rickets and one of nutritional rickets in turkey poults were studied. Plasma levels of calcium, phosphorus, alkaline phosphatase, and vitamin D metabolites were determined. Concentrations of calcium, phosphorus, and alkaline phosphatase in affected poults were typical of nutritional rickets. The mean plasma calcium concentration in rachitic poults was not significantly different from that in controls. Mean values for plasma phosphorus were 1.5 to 2.4 mg/dl lower in the rachitic poults, and values for alkaline phosphatase activity were 1.3-1.7 times greater. In assays of vitamin D metabolites, mean 24, 25 dihydroxyvitamin D3 values were consistently lower in rachitic poults.
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