Effect of live-yeast culture and lasalocid supplementation on performance of growing-finishing steers fed alfalfa-silage, corn-silage, and high-grain diets sequentially

alfalfa alimentation des animaux animal feeding antibiotics antibiotique boeuf bovin buey bullocks canal animal carcass composition carcass quality carcasse carcasses cattle composition de la carcasse crecimiento croissance ensilado ensilage (produit) feed intake fourrage grain ganado bovino grain feed granos pienso growth levadura levure lucerne luzerne mais maize peso poids prise alimentaire (animaux) silage suplementos supplements weight yeasts