Bison with mushrooms. 19 grams of protein per patty. Each 4-oz PrimeLife Savory Mushroom blended bison patty contains 140 calories and 6 grams of fat. New! Eat the Smart Way. PrimeLife's Savory Mushroom Blended Bison Patties each contains 19 grams of protein. Enjoy delicious, juicy PrimeLime Patties that deliver on taste. The USDA does not permit the use of hormones in raising bison. Primelife bison are processed under strict guidelines and chilled Exclusively by Air to provide the best tasting, highest quality meat. Blended, Nutritious, Extremely Delicious. PrimeLife Blended Bison Patties are carefully seasoned and blended for a delicious experience. US inspected and passed by Department of Agriculture. www.primelifebison.com.