I will do another health check and yes the coop is well-ventilated and draft-free. I live in an arid climate, so very low humidity. I do keep tabs on the temp and humidity in the coop. The 2 girls in question do not go in the coop during the day, just hang out in their favorite spot all day...
I have 7 hens and 1 rooster, the rooster is new as of last spring and has been a bit of a bully. We've worked on his behavior and his hormones have tempered so he doesn't bother my older hens anymore. The problem is that I have 2 that do not want to hang out with the flock during the day. They...