Canadian Brand. Parker's Treats Beef Bully Bites is a Canadian made product containing 100% beef sticks (pizzle): No rawhide or added collagen, just pure, natural beef for a healthier, more natural chew. Free from artificial additives colors, flavors, or preservatives. Just a natural, delicious chew your dog will love. Built for almost all types of chewers: These long lasting chews are packed with protein and are ideal for satisfying your dog’s natural chewing instincts. Beef bully bites are suitable for almost all types of dog chewers.