Our Certified Organic  Soy-Free 17% Protein Duck Layer is a complete nutritional feed of cracked and milled grain that's supplemented with organic alfalfa  kelp  flaxseed  and Poultry Nutribalancer. Similar to our best selling classic layer mash  this formula is enhanced with extra niacin to help prevent growth deformities. This feed is designed for adult ducks who have reached point of lay. Made exclusively with North American Organic Grains.