Kalmbach Feeds All Natural 20% Protein Flock Maker Crumbles Chicken Feed is designed to help give your feathered friends a healthy start to life. This versatile feed is ideal for mixed flocks, since it’s formulated for ducks, geese, chicken, turkeys and gamebirds up until they’re laying age. It contains high vitamin A and E levels to support poultry’s health and immunity. Vitamins and minerals help to grow strong, lively birds. A blend of prebiotics, probiotics, essential oils and enzymes supports digestive and immune system health, too. This feed also meets the niacin requirements of ducks and geese, so there’s no need to worry about additional supplementation, saving you time and money.