Mazuri® Waterfowl Layer Diet is a food for laying ducks, geese, swans, and other waterfowl. This food supports breeding performance, egg numbers, fecundity, and chick viability. The food is complete and balanced and exceeds the niacin requirements for waterfowl. which supports their healthy growth and development. It requires no other supplements and is easy to use. Feed the floating pellets on the water to make it easier for your birds to eat. These floating pellets also help to keep the water clean. The food contains sustainable fishmeal and no added colors or flavors.