I went outside today and my hen was behind the coop, her head was bloody and wet. I picked her up and took her inside and cleaned her head up, but now that I set her down she can't seem to get her balance and can't really walk, so she just sits down. I have a new rooster that is about 4 1/2 months old. Could he have done this? Its the first rooster that I've had. What should I do?