[Litters and mats in cubicle houses: some novelties [dairy cows]]

animal welfare arena astillas bien-être animal bienestar animal cama (animales) cattle sheds cobertizos para el ganado dairy cows estiércol farmyard manure fumier innovación innovation innovazione letame lettiera per animali litière pour animaux litter for animals paglia paille paja particule de bois polimeri polimeros polymers polymère ricoveri per bovini sabbia sable sand straw trucioli vacas lecheras vacche lattifere vache laitière wood chips étable