I despise rawhide with a passion because, yes, many of the companies DO use harmful preservatives. One could even use arsenic! As well, if a dog were to chew off a bit of the rawhide, it is not digestible and will cause blockages. On the other hand, Greenies and Bully Sticks are supposed to be digestible, and do not contain harmful preservatives. Can a dog choke on these items? Sure, but you're supposed to feed these items in moderation and supervision. As long as the dog is being supervised, he or she should be okay.

So to answer your question, yes, I confidently feed my dog Bully Sticks and the occasional Greenie: