The Chicken Sanctuary – The Prefect Protection System The Chicken Sanctuary consist of a Dome, Cube. and Triangle. We have 75 chickens and have not lost a chicken in the two years since we built them. We have built 10 of them. Each hold 6 – 8 chickens. We keep different breeds of in different Sanctuaries. Chicken Dome It is the chicken’s day time play pen. It is 10 feet wide and 5 feet high. The dome is light and can be lifted comfortably by one person. It is made from electric PVC pipes and covered with 1” chicken wire on the bottom. That will stop dogs. Deer netting on the top to stop birds of prey. The pasture available within the Dome is 71 sq ft.