Are the Nesting boxes all built for any breed chicken to lay eggs in? Katrina B. | Hatching Time August 04, 2021 17:00 Yes, the Nesting boxes are 1 size fits all. Related articles Can I adjust the PVC Water nipple pipe in the cage system? Can I stack Multiple different cage systems on top of each other? Are the Quail Breeding Cages safe to be outside in a fenced yard? Comments 0 comments Please sign in to leave a comment.