The determination of lignin.
D000818:Animals; D005243:Feces / Q000032:analysis; D008031:Lignin / Q000032:analysis* / Q000302:isolation & purification; D009584:Nitrogen / Q000032:analysis*; D010194:Pancreatin / Q000378:metabolism; D006109:Poaceae / Q000032:analysis; D012756:Sheep
D010194:Pancreatin; D008031:Lignin; D009584:Nitrogen