levure (1) monde (1) bois (1) arbre (1) tannin (1) amidon (1) sol (1) spectacle (1) sédiment (1) protéine (1) nutrition (1) nutriment (1) lait (1) acide (1) animal (1) nutrition animale (1) fruit (1) fibre (1) effet (1) consommation (1) cellulose (1) bétail (bovins) (1) Nutrition (1) Feeding and feeds (1) By-products (1) Piglets (1) Weight gain (1) Metabolites (1) Polyphenols (1) Yeast (1)