Harrison's Bird Food High Potency Mash 1LbUSES Year round formula for canaries and finches as well as budgies (parakeets) and other small parrots. Conversion: All birds should start out and remain on High Potency Formula for a period of at least 6 months. Special needs: For birds that are moulting, overweight, underweight, particularly active, housed in a cold climate, recovering from an illness or affected by liver or kidney disease. Weaning birds: Feed High Potency Formula for at least 6 9