The Purina 20% Cattle Cube Protein Supplement is formulated to balance nutrient deficiencies in spring and summer forages. The cattle protein supplement features a 20% all-vegetable protein source for producers who prefer to feed only vegetable proteins. This protein supplement is also ideal for beef cows on forage or grass diets. Extra Vitamin A for optimized animal health and performance. This cattle feed provides flexibility in choosing supplements and feeding rates that fit the needs of the individual cattle producer. Protein supplement promotes low-quality forage utilization.