Zupreem 230153 Avian Breeder Fruitblend For Birds, 40-Pound 40-Lb Bag . Increased Levels Of Protein, Fat And Calcium Aids In Keeping Breeding Stock In Prime Breeding Condition And Contributes To Optimum Production Of Offspring Nutritionally Balanced And Fortified With Essential Vitamins And Minerals No Artificial Preservatives For Cockatiels, Parrots & Conures And Large Parrots Pellet Sizes.