Hi All, I'm new here and I have a question I hope you can help with. I have a mixed flock of 24 laying girls. 2 banties, several Americana, 2 Dominique a Silkie and various other I don't remember what they are. A few of them have no tail feathers and all you can see is the red skin. Looks terrible. The rest look beautiful. This has been the case for months. It isn't getting worse but it isn't improving either. Now, I have noticed some of the girls are more aggressive than others with some even mounting the backs of others and pulling feathers (sort of like a roo would do). Could this be the problem? I have never seen them pull tail feathers. I have tried to examine some of them closely for lice but they are rather hard to catch. I should add, they free range all day. I have 40 acres but they stay pretty close to their coop. They get good pellets as needed though they find lots of goodies outside to snack on (as well as daily raiding my compost pile). Any ideas what the problem is? Thanks in advance for the advice.