Canadian Brand. Foley's Bison with Saskatoon Berries dog treats are gluten-free, grain-free, and wheat-free. They are made with Alberta-raised, hormone-free bison and Saskatoon berries which are high in vitamin C, fibre, and antioxidants. These treats are high in protein, vitamins & minerals, and contain no added salt, fat, sugar or preservatives. Your dog will enjoy the big flavour and big crunch!