Section 25856 Of Chapter 4. Poultry And Rabbit Meat Classes From California Food And Agricultural Code >> Division 12. >> Part 2. >> Chapter 4.

. The following are the various classes of geese:
  (a) "Young goose" means a goose of either sex which is tender meated, and has a windpipe that is easily dented.
  (b) "Mature goose" or "old goose" means a goose of either sex which has toughened flesh and a hardened windpipe.