[Propionic acid preserved or dry cereals for dairy cow]

absorption de substances nutritives acide propionique acido propionico alimentation des animaux animal feeding animal performance barley body weight cebada cereales forrajeros chemical composition composition chimique concentrates contenido proteico dairy cows drying ensilado ensilage (produit) ensilage (traitement) ensilaje feed cereals noruega norway nutrient uptake nutritive value orge performance animale peso corporal piensos concentrados poids corporel propionic acid protein content secado silage silage making vacas lecheras valeur nutritive valor nutritivo