100% complete daily nutrition - Purina Duck Feed Pellets are balanced and complete, specifically formulated to meet the requirements for growing and mature ducks Research proven duck feed - Purina has been conducting poultry research for nearly a century; we have a flock of backyard birds at the Purina Animal Nutrition Center to help our nutritionists, feed formulators and flock caregivers evaluate our feeds before we put them on the market Key nutrients to support growth and development - 19% protein to get young birds off to a strong start and to maintain older birds Strong legs with 60 ppm niacin - We want your ducks to waddle along with you every day, which is why our Duck Feed Pellets are formulated to ensure that your ducks are getting the necessary niacin in every bite they take Healthy immune system - Duck feed contains prebiotics and probiotics to support immune and digestive health Includes 5 lb. bag of Purina duck feed Note: If feeding laying ducks , then provide a separate feeder that contains Purina Oyster Shell (sold separately) This duck feed contains a blend of calcium and phosphorus ensures strong bones throughout the life of each bird