My breeding stock is show quality Californians. I use wire cages suspended from the ceiling in a 3 sided area of the barn for ventilation. My breeders have cages that are 48x 30. They do get some free time in a secure run to play and roam. For the most part the big does seem more happy stretched out in their pens dozing than being forced to play in a run. I use water bottles, crock and the standard feeders as well as hanging mineral/salt wheels. They also get things to play with.