Method and barn (1) for keeping livestock, wherein the barn is divided into one or more housing areas (10, 20, 30) for multiple-day stays of the animals and one or more treatment areas (40, 50, 60, 70, 80) for a shorter, temporary stay of the animals for veterinary inspection of or caring for the animals by a specialist or carer, wherein the animals are staying in living crates (100, 200) positioned on designated barn positions (16) in the housing areas, wherein the barn is provided with a transport device (140, 400) for moving the living crates between the barn positions and the treatment areas.