She was debeaked when I bought it.
Where did you buy her from? Did you buy her as a young chick or as an adult bird?
If you bought her as an adult, a debeaked chicken is very likely to be an "ex-batt" -- that is, a retired battery egg layer who is past her prime as a commercial egg-layer. Chickens are almost never debeaked for the backyard, hobbyist market.