It depends on how you define Mangle. They're killed and we eat them.
At Kfc
they raise chickens for resturaunts they abuse them with painful debeaking life long crippling and scalding.And Boy - do they taste yummy.
Kentucky
No : they make the chickens reach their full weight in 40 days. On top of it, the chickens are so heavy they cannot even stand up. For more information go tohttp://www.youtube.com/watch?v=UJ8iL3sx60M
Yes.