We just got one of our adult hens about a month ago; she's 18 mos old. Her feet are kinda gnarly looking, very dry and bumpy. Today I was noticing what I think are cracks that might be bleeding. I was going to try coating her feet in vaseline for protection from the elements, etc., but I don't have any and it will be days before I do. However, I have bag balm. Can I put that on her feet? What could be causing this, anyway? Or is it normal chicken feet? My other hens don't look like this, but they're only about 8 months old.