the available energy-yielding or protein-yielding nutrients in the blood of sheep fed a maintenance pelleted ration were increased by either intravenous infusions of metabolites ( acetate , glucose or acetate + glucose ) , feeding lupin grain , modification of the pattern of rumen fermentation to increase propionate production using the ionophore , lasalocid , or by feeding of ruminally undegradable protein ( formaldehyde-treated casein ) .
C0012177
protein
C0033684
protein