Substitution of sorghum grain for molasses increases the liveweight gain of steers given molasses-based diets

acide gras volatil alimentation alimentation des animaux animal feeding animal growth promoters azote boeuf bovin buey bullocks carcass composition cattle composition de la carcasse digestibilidad digestibility digestible energy digestion du rumen energy value excretion feed intake feeding gain de poids ganado bovino ganancia de peso liveweight gain melasse melaza molasses nitrogen nitrogen metabolism prise alimentaire (animaux) promoteur de croissance animale promotores del crecimiento animal rumen rumen digestion rumen fermentation sorghum steers uses usos utilisation volatile fatty acids weight gain zeranol