Nature wise layer feed. Plus mixed chicken scraps from our kitchen most days but not excessive- fruits, veggies some meats, eggs mostly leftovers from my kids.
I have 5 hens no roosters. They are well fed, free range for several
hours a day plus have a decent size run rest of the time. In last 8-12 weeks all the hens seem to be molting all but one is back to being fully feathered. I have one hen whose back remains bare. Just curious what could be...