Rumen-stable DL-Methionine in dairy cattle feeding

alimentation des animaux animal feeding animal health aptitud lechera bilirrubina bilirubin bilirubine calidad cell counting cetosas dairy cows energy balance enzymic activity foie grasa de la leche ketose ketoses lait leche liver metabolism metabolisme metabolismo methionine metionina milk milk fat milk performance performance de reproduction quality reproductive performance reproductividad sanidad animal tejido adiposo tissu adipeux vacas lecheras