Mazuri Waterfowl Maintenance Feed is formulated to meet the nutritional needs of swans, ducks, geese, and other waterfowl. Proper protein levels are provided to maintain health and vigor of waterfowl. Requires no mixing or supplement feeding. Floating pellets prevent the accumulation of food on the bottom of the feeding area. Pellet Size : 3/8" diameter x 3/16" length Swan and Duck Feeding Directions: Feed ad libitum to non-breeding mature, fully feathered birds. The feed can be offered ad libitum to non-breeding mature, fully feathered birds. Adult birds should eat in the range of 25-30 grams/kg of body weight each day, depending on species size. Scatter directly on the water, where it will float, or it can be fed in a long, shallow trough, which will prevent the food from floating away from the birds. Nutritional Information: Crude protein not less than 14.0% Crude fat not less than 3.0% Crude fiber not more than 4.5% Ash not more than 7.0% Calcium not less than 0.80% Calcium not more than 1.30% Phosphorus not less than 0.60% Salt not less than 0.05% Salt not more than 0.55%