; or (B) pregnant. (2) The term enclosure means any cage, crate or other enclosure in which a pig is kept, including, a gestation crate. (3) The term pig means any animal of the porcine species. (4) The term independent pig producer means a pig producer who owns their own pigs and is not contracted to raise pigs that belong to another entity. . (b) Applicability The amendment made by this section shall apply beginning on the date that is one year after the date of the enactment of this Act.