Vitamin D derivative feed compositions and methods of use
AssigneeUniversity of Georgia Research Foundation, Inc.
InventorHardy M. Edwards, Jr.
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Abstract
Methods and compositions for enhancement of phytate phosphorus utilization and treatment and prevention of tibial dyschondroplasia in animals, particularly poultry, by administering to animals a feed composition containing a hydroxylated vitamin D.sub.3 derivative. The vitamin D.sub.3 derivative is preferably administered to animals in feed containing reduced levels of calcium and phosphorus for enhancement of phytate phosphorus utilization. The vitamin D.sub.3 derivative is administered in combination with active phytase for further enhancement of phytate phosphorus utilization.
Claims5
A method for treating or reducing the incidence of tibial dyschondroplasia in animals comprising administering to an animal an amount effective to treat or reduce the incidence of tibial dyschondroplasia of a vitamin D.sub.3 derivative selected from the group consisting of 1,25-dihydroxycholecalciferol;
- 1-hydroxycholecalciferol;
- 25-hydroxycholecalciferol;
- and mixtures thereof in combination with an animal feed for growing animals, wherein the concentration of vitamin D.sub.3 derivative is between 1 and 10 micrograms per kilogram feed for growing animals.
Dependencies are inferred from the claim text.