19/8 Handrearing is a general purpose formula for use in mixed collections and is the formula of choice for Lories, Amazons and most Cockatoos. The first number in the title of the Handrearing denotes the protein content and the second number denotes the fat content. Handrearing should be stored in a cool, dry place, refrigerated or placed in a deep freezer. Properly stored, Handrearing will remain fresh until the expiration date printed on each package.