I have 9 chickens and are taking 3 of them away and that leaves my 5 hens and main rooster that I am wanting to put in my sheeps pen. I only have 1 sheep and have an 18by18 foot pen with a not good looking but secure house and I'll put together a separate house with the chickens and keep there food away from one another and I'm wondering if they can live together.?.?.? They already get along and do great together, and don't pick on one another. So is it okay for them to live together??