As used in this subchapter:
(1) “Domestic fowl” means laying-hens, broilers, ducks, turkeys, or any other number or type of fowl that the Secretary deems domestic fowl.
(2) “Livestock” means cattle, mature cow/calf pairs, youngstock, heifers, bulls, swine, sheep, goats, horses, or any other number and type of domestic animal that the Secretary deems livestock.