poids (1) animal (1) physiologie animale (1) comportement animal (1) agriculture (1) âge (1) Article (1) Agriculture (1) Weights and measures (1) Science (1) Physiology (1) Performance (1) Meat--Quality (1) Grammar, Comparative and general--Article (1) Blood (1) Article (1) Agriculture (1) Age (1) Weight (1) Use (1) Age (1) Performance (1)