title: Nitrogen intake, digestion and retention by grazing lambs.
mesh_terms: D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D004044:Dietary Proteins; D004063:Digestion; D009584:Nitrogen / Q000378:metabolism*; D006109:Poaceae; D012756:Sheep
chemical_list: D004044:Dietary Proteins; D009584:Nitrogen