Organic Non - GMO Turkey 21% Grower Pellets Catalog Poultry Organic Non - GMO Turkey 21% Grower Pellets Manufacturer : Green Mountain Feeds Description 21% protein. Feed free choice to turkeys and other heavy breed gamebirds from 4 weeks of age till slaughter. Keep fresh water available at all times. 50 lbs. Rates Please contact us for current pricing and availability.