I built a 6 X 8 coop and after some research, I placed one aluminum mushroom vent in the roof and a screened vent about 4 X 15 on the top of my side access door. Keeping them high avoids drafts in the cold weather. Those two vents in conjunction with the opening window has, so far, kept things...
I put my gals out in their coop at 6 weeks as they were getting too big to keep in the basement brooder box. I didn't realize they were going to grow so fast! Remarkably, they all slept on the roost the first night! It was cute to see them all lined up on the very top roost. Now, they are 11...