Purina® Layena® 16% Layer Pellets is a balanced and complete feed that provides 16% protein to support your hens’ health and keep them laying nutritious eggs. Now with the Flock Strong™ System. The Flock Strong™ System proprietary ingredient blend helps nourish strong, healthy hens from the inside out. With live probiotics, prebiotics and yeast for immune and gut health. Purina® Layena® chicken feed is available in crumbles, pellets, or pearls which all provide the same high-quality nutrition.