There's nothing more than pure beef tripe, which is a unique protein rich in essential fatty acids. Because of the palatability and wholesomeness of these gently dried treats, they are excellent for finicky pets or pets with food sensitivities, as well as for use as a training reward or food mixer. Ingredients: Beef Tripe. Calorie Content 172 kCals per ounce (calculated) or 600 kCals per 3.5 Ounce pouch.