Use of free-access minerals.
Hill
R
R
D000818:Animals; D002417:Cattle / Q000502:physiology*; D003300:Copper / Q000008:administration & dosage* / Q000097:blood; D007501:Iron / Q000008:administration & dosage* / Q000009:adverse effects; D015430:Weight Gain
D003300:Copper; D007501:Iron