I'm worried about one of my hens. Frankly, she looks terrible!! I know it's molting season but she looks about 10 times worse than my other hens, and she normally doesn't look so back while molting. She also seems to be limping; she moves very slowly and won't run. I've attached a picture to show what I mean. She's skinny, large patches of feathers are missing, and she just looks sick to me. I don't know if the other hens are pecking her or what is going on. We don't have a rooster (4 hens). Also, we've been using supplemental lighting and egg production has still completely stopped, with all of the hens. Any advice or suggestions as to what might be going on would be appreciated...I'm worried about her! Oh, and all four hens are about 2.5 years old.