10# Purina Organic Scratch Grains - Purina Organic Scratch Grains is a blend of high-quality grains to complement complete feeds and encourage natural pecking, foraging and feeding instincts. They are certified USDA Organic for use with organic flocks. Purina Organic Scratch Grains are recommended for organic flocks that include adult chickens, ducks, geese and turkeys – as a treat to complement their complete feed.