Nutrient flow and weight change in grazing cattle.
D000821:Animal Feed; D000818:Animals; D001835:Body Weight; D002417:Cattle / Q000378:metabolism*; D004044:Dietary Proteins / Q000378:metabolism*; D004734:Energy Metabolism; D009584:Nitrogen / Q000378:metabolism; D006109:Poaceae; D012417:Rumen / Q000378:metabolism
D004044:Dietary Proteins; D009584:Nitrogen