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 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. Color : blue Size : 5lb Maintenance Formula for Medium to Large Birds An Adult Lifetime formula may be offered after a bird has completed a dietary program of a High Potency formula for a period of 6 months. 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.