Harrison's Adult Lifetime Coarse 5lb Maintenance Formula for Medium to Large Birds USDA NOP Organic Seal ensures the highest quality, chemical-free products for your bird Premium, whole, certified organic, formulated diet for pet birds No preservatives, artificial colors, sweeteners for flavors This year-round maintenance formula meets the nutritional requirements for healthy, non-breeding, non-molting birds including pionus, Amazons, cockatoos, macaws and other medium to large parrots.