http://www.petpublishing.com/catkit/faq.shtml
Q: My cat loves chicken and fish. Should I give him the bones to chew on?
Absolutely not. Cooked chicken bones can splinter in the cat's mouth and cause serious damage. Smaller fish bones can get lodged in the throat and cause even more damage. If your cat has a strong urge to gnaw, chewy treats are a safe alternative.