Sole disorders in conventionally managed and organic dairy herds using different housing systems

affection podale agriculture biologique alojamiento de animales animal housing aserrado biological differences bovin breed differences breeds (animals) cattle cattle sheds claws cobertizos para el ganado cows dairy industry enfermedades de los pies foot diseases ganado bovino garras glande mammaire haemorrhage hatos hemorragia herds industria lechera lactation lactation number lactation stage lameness logement des animaux loose housing mammary glands movement disorders onglon organic agriculture race (animal) razas (animales) sawing sciage seasonal variation symptome symptoms trouble locomoteur troupeau udders vaca vache