Feline Greenies 3Oz Bag Beef More Than 80% Of Cats Have Dental Disease By The Age Of Four. Independent Studies Confirm Feline Greenies Reduces Calculus By 24%. In Tests Versus A Top-Selling Cat Treat Cats Ate More Than Twice As Much Of The Feline Greenies. Of The Cats Showing A Consumption Preference 100% Chose Feline Greenies The #1 Vet-Recommended Feline Dental Treat, Among Veterinarians That Recommend Dental Treats For At-Home Oral Care More than 80% of cats have dental disease by the age of four. Independent studies confirm Feline Greenies reduces calculus by 24%. In tests versus a top-selling cat treat cats ate more than twice as much of the Feline Greenies. Of the cats showing a consumption preference 100% chose Feline Greenies