If you're agonising over the, "But I want them to be free range", don't. I shan't have breeding pigs again until I have suitable winter accommodation. Ideally a turnout paddock and a cement run, but tbh that's more for *my* peace of mind. If they have a big dry area - 15 x 15 sounds lovely - and *plenty* of straw to rummage about in, they'll be happy as, well, pigs in ...!