Lafeber Avi Cakes are each designed to fit the need of each bird group. These AviCakes come 54 squares to an 8 oz. bag. A mix of pellets, seeds and grains, vitamins and minerals, Avi Cakes are healthy fun for your cagebird. My birds would get mad at me if they had to go without Avi Cakes. A must for every birdhouse. Crude Protein not less than 12.5%, Crude Fat not less than 4.5%, Crude Fiber not more than 5%, Moisture not more than 15%.