Effects of length of cut and mechanical processing on utilization of corn silage harvested at the black line stage of maturity by lactating dairy cows

dairy cows digestibilidad digestibility ensilado ensilage (produit) feed intake fluide du rumen fluido del rumen largura length longueur mais maize milk yield prise alimentaire (animaux) procesamiento processing rendement laitier rendimiento lechero rumen fluid silage traitement vacas lecheras