Effects of stocking density and concentrate supplementation of grazing dairy cows on milk production, composition and processing characteristics

alimentation bovin calidad carga ganadera casein caseina cattle chemical composition composition chimique concentrates cows cuajo estabilidad feeding ganado bovino gramineae grasa de la leche grazing lait leche milk milk fat milk protein milk yield pastizales pastoreo pastoreo rotacional pastures piensos concentrados plasmin plasmina plasmine poaceae quality rendement laitier rendimiento lechero rennet rotational grazing stabilite stability stocking density suplementos supplements taux de charge vaca vache whey protein