title: Effect of urea on digestion of fish meal in the gut of sheep.
mesh_terms: D000818:Animals; D004044:Dietary Proteins / Q000378:metabolism; D004063:Digestion; D004064:Digestive System / Q000378:metabolism; D005396:Fish Products; D012417:Rumen / Q000378:metabolism; D012756:Sheep / Q000378:metabolism*; D014508:Urea
chemical_list: D004044:Dietary Proteins; D014508:Urea