Effect of postpartum nutrition and cow body condition at parturition on subsequent performance of beef cattle

animal nutrition beef cattle body condition bovin de boucherie calves duration ensilado ensilage (produit) feed grasses feed intake feeding level fourrage grain gain de poids ganado de carne ganancia de peso grain feed granos pienso lactation liveweight gain niveau d'alimentation nivel alimenticio nutrition animale parto parturition performance de reproduction plane of nutrition postpartum period prise alimentaire (animaux) puerperio puerperium reproductive performance reproductividad silage ternero veau weight gain