LIVESTOCK — Domestic animals customarily raised or kept on farms include horses, cows, bulls, calves, oxen, sheep, goats and other bovine or hoofed animals but excluding pigs, hogs and swine.
Small livestock farming: shall be the raising or keeping of more than twelve chicken hens, pigeons or similar fowl or twelve rabbits or similar animals, but not including roosters, quacking ducks, turkeys, geese, guinea fowl, pea fowl, goats, sheep or similar livestock; provided, that the term "small livestock farming" as used in this chapter shall not include the keeping of hogs, cattle, horses, mules or similar livestock as determined by the planning commission.