Barkworthies’ Chicken with Cranberry & Blueberry Superfood Jerky Dog Treats! All natural chews with protein to help support healthy muscle growth and development. Made with real chicken, antioxidant-rich blueberries and immune boosting cranberries. This jerky treat will give your pooch a tasty bite that is baked to perfection and bursting with savory aroma, texture and flavor. Give them to your pup for a job well done or as a way to support their immune system and overall health.