I have 4 chickens who are 1.5 years this fall 3 white Leghorn hens and a RIR roo the girls look SCRUFFY!!! Between their feathers' age, the roo damage, and the past wing clippings.....and they never really get back to white anymore either. Last spring even when it rained for a month they still managed to preen themselves back to white at night, but they seem so dingy now! I wish my chicken yard would look like a pillow exploded!!!