Bone treats are real bones that have been processed, sometimes flavored, and packaged for dogs. Giving your dog a 'bone treat' might lead to an unexpected trip to your veterinarian, a possible emergency surgery, or even death for your pet.
Read more at: http://www.fda.gov/consumers/consumer-updates/no-bones-or-bone-treats-about-it-reasons-not-give-your-dog-bones