At Manna Pro®, we believe in Nurturing Life™.egg maker crumble for laying hens Since 1985 with roots dating back to 1842, Manna Pro® has been committed to providing high-quality, nutritionally wholesome feeds, supplements and treats to your flock at every stage of their lives. As a company comprised of animal lovers we understand the desire to provide your flock with the very best. Our passion is happy, healthy pets and we are your trusted partner to provide just that. Family Farm Egg Maker® 15 is the ideal feed for your laying hens. With 15% protein and vitamin and mineral fortification, Egg Maker 15 provides your laying hens with complete nutrition to support egg production and overall health.