FORMULATED FOR PUREBRED JACK RUSSELL TERRIERS: Royal Canin Jack Russell Terrier Adult Dry Dog Food is designed to meet the nutritional needs of purebred Jack Russell Terriers 10 months and older SPECIALIZED KIBBLE: Unique kibble shape designed to help Jack Russell Terriers easily pick up and chew their food MUSCLE SUPPORT: Optimal protein content and antioxidants to support vitality help maintain a small dog’s muscle mass SKIN AND COAT: Reinforces the skin barrier with essential nutrients for healthy skin and coat DENTAL HEALTH: Kibble shape and texture promote oral care and tartar control by encouraging chewing