Effects of supplemental enzymes on nitrogen balance, digestibility of energy and nutrients and on growth and feed efficiency of cattle.
D000821:Animal Feed; D000818:Animals; D002417:Cattle / Q000254:growth & development*; D004063:Digestion / Q000187:drug effects*; D004798:Enzymes / Q000494:pharmacology*; D009584:Nitrogen / Q000378:metabolism*
D004798:Enzymes; D009584:Nitrogen