Digestibility of reconstituted sorghum grain and alfalfa hay mixtures as determined by the total collection and chromic oxide methods

alfalfa alimentation des animaux analytical methods animal feeding beef cattle bovin de boucherie digestibilidad digestibility excrements excreta foin fourrage grain ganado de carne grain feed granos pienso hay heno lucerne luzerne nutritive value productos reconstituidos raciones ration rations reconstituted foods sorghum technique analytique valeur nutritive valor nutritivo