10pk Pig Ears - Natural Natural pig ears are roasted and offered smoked or natural in a variety of packaging formats. They are 100% digestible and offer an alternative to rawhide treats. 130 calories. Shelf Life: 36 months Ingredients Meat By-product 100% Guaranteed Analysis % Crude Protein (Minimum) 90 Crude Fat (Minimum) 1 Crude Fiber (Maximum) 1 Moisture (Maximum) 10 Calcium (Minimum) 0.8 Phosphorous (Minimum) 0.4