Answer: The Ground Bison Blend is an AMAZING product made with a 17% blend of each bison liver & heart & 83% trim meat (like regular hamburger). So, a 1 lb pack = 13.28 oz. ground bison, 1.60 oz. bison liver, 1.12 oz. bison heart. Use as a substitute in any ground meat recipe to ramp up the nutritional value of your meal without the organ meats flavor!