Not sure where you are but down here in South Carolina it's normal for the girls to all pant during the heat of the day. We have 9 older hens and 13 pullets (one roo), on hot days they all find sections of dirt and straw they dig out and hunker down in the shade. They do still use their small coop which has a full size fan on 24/7 to keep the air circulating. So yeah, the panting is normal.My 4.5 month old white leghorn has been going from box to box for a few hours now. She just layed her 1st egg yesterday. She hasn't layed an egg today, but I'm concerned that she is panting so much, while hanging out in the coop and in the boxes. She'll move hay around and sit for a few minutes, then repeat.
My chickens have lots of space for shade and shallow areas with water to walk in, but not sure why she stays inside. I don't know if it's an egg issue, and that's why she chooses to stay inside?? Any ideas or suggestions? Thank you. I provided a pic. View attachment 1841219
A couple of my overweight girls will also become quite pale in the face during the day some times. That's a different story and they're getting ready to go to Chicken Heaven in a few weeks.