title: The quantitative importance of bacterial residues in the non-dietary faecal nitrogen of sheep. I. Methodology studies.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000378:metabolism*; D005243:Feces / Q000032:analysis*; D008722:Methods; D009584:Nitrogen / Q000032:analysis*; D012756:Sheep
chemical_list: D009584:Nitrogen