I was out of town for a few days the other week and when I came back I noticed that my usually top of the pecking order hen was acting weird. She normally comes over to me for treats and to be pet but instead she was running away and would'nt eat. I thought it had something to do with her molting. But today I noticed bloody scabs all over her comb, wattles and ear lobes. She also has identical cut marks on her legs. Like the scales came off of them. As far as I can tell she is the only chicken I have with any of these symptoms. Any ideas what this is? Thanks in advance for any help.