I was considering adding a new hen to my current breeding pair of Chukars in hopes of hatching more chicks. The pair I currently have are from a first of the year hatch so they are adults now. Would it be a bad idea to add a 2nd hen into the cage with the pair? Or should they get along OK. I know there are some exceptions to the rules but wondering what you thought. The pair currently lives in a 12 square foot cage (6'x2') so they wouldn't be in a cramped space together. Thanks for any input