title: The validity of marker practice for measuring the flow of digesta in sheep.
mesh_terms: D000818:Animals; D002857:Chromium / Q000008:administration & dosage*; D005769:Gastrointestinal Motility; D006018:Glycols / Q000008:administration & dosage*; D010507:Periodicity; D012756:Sheep; D013997:Time Factors
chemical_list: D006018:Glycols; D002857:Chromium