I need to know if my coop and run will support 4 full size hens and 1 silkie. The coop is 4x4 and is elevated 2 feet. The run is 4x10 (6 feet of the run is actually under the coop/nesting boxes). Do I need to limit it to 3 full size hens and 1 silkie? We are considering a Silver Laced Wyandotte...