Feeding Instructions : Nutrience Subzero treats are intended for intermittent or supplemental feeding only. Ingredients : Beef liver. Guaranteed Analysis : Crude Protein (min.) 63.0% Crude Fat (min.) 9.0% Crude Fiber (max.) 1.0% Moisture (max.) 5.0% Calorie Content (calculated) : 1 kcal/treat (ME).