Soft lying mats for dairy cattle in cubicle houses. Comparison of straw matresses and six new soft lying mats]

alojamiento de animales animal housing animal needs behaviour besoin des animaux bovin laitier cama (animales) comportamiento comportement dairy cattle damage floors ganado de leche letargo limbs litter for animals logement des animaux membre miembros necesidades de los animales pisos plancher repos rest suisse suiza switzerland