http://www.embracepetinsurance.com/blog/harmful-side-animal-sourced-dog-chews
http://www.embracepetinsurance.com/pet-care/dangers-of-rawhide
They are junk, treated with toxic chemicals, imo
Also, listen to what the homeopathic vets have to say, some of it makes sense
http://vitalanimal.com/natural-dental-prevention/
I give my dogs an occasional frozen beef marrow bone to chew on, however, these are not without risk. They can chip a tooth, and one of my dogs had to go to the emergency vet because of abdominal pain and vomiting, x-ray showed calcified material in her colon and stomach, luckily it passed.
A raw carrot is a good treat. But don’t be alarmed if you see carrot chunks in their feces….they don’t digest veggies well.
