Feed your backyard flock. Purina? Flock Raiser? Pellets provides complete and balanced nutrition for healthy flocks. Sustain an entire mixed flock of poultry, including growing hens, roosters, ducks, and geese. Purina? Flock Raiser? Pellets is also for pheasants, quail and turkeys after 8 weeks of age and older ? all with the same bag of nutrient-rich, pelleted feed.