protéine (2) Animal feeding (2) Rumen (2) Matter (2) Blood (2) puits (1) poids (1) biochimie (1) azote (1) lait (1) éther (1) effet (1) calcium (1) Silage (1) Variation (1) Treatment (1) Control (1) Weight gain (1) Metabolites (1) Om (1) Variations (1) Values (1) Urine (1) Urea (1) Soybean meal (1) Silage (1) Serum (1) Rumen fermentation (1) Percentage (1) Parturition (1)