title: Nitrogen conservation by ponies fed a low -protein ration.
mesh_terms: D000284:Administration, Oral; D000596:Amino Acids / Q000096:biosynthesis; D000818:Animals; D000890:Anti-Infective Agents / Q000494:pharmacology; D001835:Body Weight / Q000187:drug effects; D004044:Dietary Proteins / Q000494:pharmacology*; D006736:Horses / Q000378:metabolism*; D009584:Nitrogen / Q000378:metabolism*; D014508:Urea / Q000008:administration & dosage / Q000037:antagonists & inhibitors / Q000378:metabolism; D014867:Water / Q000378:metabolism
chemical_list: D000596:Amino Acids; D000890:Anti-Infective Agents; D004044:Dietary Proteins; D014867:Water; D014508:Urea; D009584:Nitrogen