You could try bison fat, although I believe bison are, on average, less fatty than other cattle. The USDA (United States Department of Agriculture) forbids the

You could try bison fat, although I believe bison are, on average, less fatty than other cattle. The USDA (United States Department of Agriculture) forbids the use of hormones and antibiotics in farm-raised bison: Q: Can hormones and antibiotics be used in bison raising? A: Antibiotics and growth hormones are not given to bison. Source: https://www.fsis.usda.gov/food-safety/safe-food-handling-and-preparation/meat/bison-farm-table https://www.fsis.usda.gov/food-safety/safe-food-handling-and...