title: Effect of form and level of nitrogen on magnesium utilization.
mesh_terms: D000641:Ammonia / Q000032:analysis / Q000097:blood; D000821:Animal Feed; D000818:Animals; D001806:Blood Urea Nitrogen; D002118:Calcium / Q000097:blood / Q000652:urine; D004044:Dietary Proteins / Q000378:metabolism; D005243:Feces / Q000032:analysis; D006863:Hydrogen-Ion Concentration; D008274:Magnesium / Q000032:analysis / Q000097:blood / Q000378:metabolism* / Q000652:urine; D008297:Male; D009584:Nitrogen / Q000378:metabolism*; D010758:Phosphorus / Q000097:blood / Q000652:urine; D011188:Potassium / Q000097:blood / Q000652:urine; D012417:Rumen / Q000378:metabolism; D012756:Sheep / Q000378:metabolism*; D014508:Urea / Q000378:metabolism
chemical_list: D004044:Dietary Proteins; D010758:Phosphorus; D000641:Ammonia; D014508:Urea; D008274:Magnesium; D009584:Nitrogen; D011188:Potassium; D002118:Calcium