Merrick Backcountry Raw Infused Grain Free Big Game Recipe Freeze Dried Dog FoodConnect your dog to an ancestral diet with Merrick Backcountry Grain Free Dog Food Big Game Recipe. Real deboned lamb is the first ingredient in this natural, with added vitamins, minerals, and nutrients recipe, a high protein dog food that helps maintain lean muscle mass and healthy energy levels. This real meat dog food with lamb and venison contains a holistic blend of kibble and freeze dried raw pieces inspired by an ancestral canine diet and