RFM raw bison organ blend  Hormone & Antibiotic free. Not enhanced This organ blend contains 50% bison liver, and 50% other secreting organs (bison kidney, bison spleen and bison thymus gland) Should not be fed in large quantities or on its own This CANNOT be fed as a meal; intended for pet owners who create balanced raw/cooked pet food at home  Sourced from pasture raised North American bison Sold in 1 LB packages