prix (1) papier (1) lait (1) élevage de bétail (1) herbe (1) évolution (1) point (1) Development (1) Silage (1) Case (1) Specifications (1) Specifications (1) Animal feeding (1) Specifications (1) Social sciences (1) Silage (1) Science (1) Paper (1) Milk plants (1) Milk (1) Grammar, Comparative and general--Case (1) Gifts (1) Farms (1) Farmers (1) Farm management (1) Evolution (1) Dairy plants (1) Dairy farms (1) Dairy farming (1) Cows (1)