Magnesium, calcium and phosphorus metabolism in ponies fed varying levels of magnesium.
D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D002118:Calcium / Q000378:metabolism*; D005243:Feces / Q000032:analysis; D006736:Horses / Q000378:metabolism*; D008274:Magnesium / Q000008:administration & dosage* / Q000032:analysis / Q000097:blood / Q000652:urine; D009751:Nutritional Requirements; D010758:Phosphorus / Q000378:metabolism*
D010758:Phosphorus; D008274:Magnesium; D002118:Calcium