Butcher's Tripe Dog Food is 100% complete, nutritious food for adult dogs. Original recipe. Where it all began, we launched Tripe Mix, a naturally Grain Free recipe, back in 1987. Tripe - a natural super food for dogs, with the taste that dogs love. Complete and balanced meals rich in all the nutrients your dog needs. No Nasties: no artificial colours, flavours or preservatives. Grain Free: naturally gluten free - no grains or bulkers. British and Irish Farmed. We only work with suppliers we know and trust.