title: The metabolisable energy system for use in dairy and beef cattle rations.
mesh_terms: D000821:Animal Feed; D000818:Animals; D002417:Cattle / Q000378:metabolism*; D004044:Dietary Proteins / Q000378:metabolism; D004734:Energy Metabolism; D005260:Female; D008722:Methods; D009751:Nutritional Requirements; D012621:Seasons; D012820:Silage
chemical_list: D004044:Dietary Proteins