Effect of space allowance, access to bedding, and flock size in slatted floor systems on the production and health of dairy heifers

affection podale alojamiento de animales animal housing behaviour caillebotis comportamiento comportement crianza en el suelo enfermedades de los pies floor husbandry foot diseases gain de poids ganancia de peso heifers ingestion de substances nutritives logement des animaux novilla nutrient intake physical activity reproduction slatted floors suelo emparrillado weight gain