Primate Diet Dry 20 lbs (9.07 kg)Highly palatable diet formulated to be fed as the basic diet for non human primates and great apes, with exception of callitrichids, which require additional Vitamin D3. Feeding Directions: Feed free choice to growing animal and non obese prone animals. Otherwise feed measured meal quantities. Most primates will consume approximately 1 lb. of ZuPreem Primate Dry Diet per 35 lbs. of body weight daily. The correct quantity fed is one that maintains an