Levels and sources of vitamin D for pigs fed diets containing varying quantities of calcium.
D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D001842:Bone and Bones / Q000032:analysis; D002118:Calcium / Q000032:analysis; D002136:Calcium, Dietary / Q000378:metabolism*; D013552:Swine / Q000378:metabolism*; D014466:Ultraviolet Rays; D014807:Vitamin D / Q000378:metabolism*
D002136:Calcium, Dietary; D014807:Vitamin D; D002118:Calcium