This treat has undergone a transformation in its recipe to become a more balanced and nutritious treat. The ratio of muscle meat and organ meats are an 80/10 blend of beef. It is profiled after the Predator/Prey Raw diet with 2 types of muscle meat and 2 excreting organ meats. Your dog is going to love it and you can be confident you are giving him/her the best you can buy. As always no additives or preservatives.