Canadian Brand. RDBK Bison meals for dogs are made from human grade, non-medicated North America Buffalo (aka bison) meat, bison organs, and organic vegetables. No additives, preservatives or fillers. Bison is a perfect alternative for those animals with food sensitivities that are unable to eat domestic red meats like beef and lamb. A great meal for weight loss, dogs with food sensitivities, and a way to add some fun variety to any raw diet rotation.