Hi everyone! I am building a new, larger coop for my 6 girls. I want the design to discourage pooping where they lay, so I am hoping to have the structure be a simplified version of this plan with just a roosting ladder inside instead of nesting boxes. I am planning to mount two laying boxes to the outside wall. Keeping the laying and the sleeping totally separate is the plan, but I am concerned they won't take to the ladder. Should I consider roosting bars instead?