[Deep litter fermentation system for fattening pigs]

animal health animal husbandry equipment animal husbandry methods animal performance behaviour besoin d'investissement cama (animales) carne cerdo comportamiento comportement compostage composting costos costs crianza en cama profunda deep litter husbandry equipo de crianza farmyard manure fumier investment requirements litter for animals meat nest boxes nutritive value odeur olor organisation du travail performance animale piggeries pocilga porcherie porcin sanidad animal smell swine valeur nutritive valor nutritivo viande work organization