A mixture of beef, rabbit, chicken,duck, turkey, venison, mutton, llama, goat, white fish, sardines for main source proteins then added organs, such as liver, spleen, lung, kidney, tripe, gizzards. Also add fruits and veggies but not all the time. Blueberries, cranberries, apples leafy greens, sweet potatoes, parsley, spinach, carrots. Ground cinnamon, cayenne pepper, turmeric, kelp powder, garlic, apple cider vinegar, whole eggs are also added. Excellent health. I do not over vaccinate, have titers done instead and only vaccinate when needed. I do not use any kind of topical flea or tick treatment and I do not treat for heartworm year round on any of my dogs.