title: The fraction of microbial nitrogen entering the duodenum of sheep.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000378:metabolism; D004386:Duodenum / Q000502:physiology; D005396:Fish Products; D009584:Nitrogen / Q000378:metabolism*; D012313:RNA / Q000378:metabolism*; D012417:Rumen / Q000382:microbiology*; D012756:Sheep; D013025:Glycine max; D014508:Urea
chemical_list: D012313:RNA; D014508:Urea; D009584:Nitrogen