The term "addling" means loss of development, and is commonly used to refer to any process by which an egg ceases to be viable. Addling can occur through natural processes, when incubation is interrupted long enough for eggs to cool and for embryonic development to be arrested. Humans may also humanely manage bird populations by using addling techniques to prevent egg development.

This protocol is written specifically for Canada geese (Branta canadensis), and is intended to help minimize human-goose conflicts where addling programs for these birds are desired.

Egg addling may only be carried out under a federal permit issued by the U.S. Fish and Wildlife Service.

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