[Deep litter for dairy cows: Three types]

alojamiento de animales animal housing animal litter azote behaviour bovin laitier cama (animales) comportamiento comportement crianza en cama profunda dairy cattle danemark deep litter husbandry denmark dinamarca farmyard manure floors fumier ganado de leche leaching lessivage du sol lisier logement des animaux nitrogen paille paja pisos plancher slurry straw temperatura temperature