Purina® Start & Grow® is specially formulated to support your chicks’ growth from day one through week 18, ensuring they develop into healthy, happy hens. This premium chicken feed contains all 38 unique nutrients that baby chicks need to grow strong and thrive, eliminating the need for any additional supplements. With Purina® Start & Grow®, you provide complete nutrition that helps your flock reach greatness right from the start. Model Number: