“Kennel” means any building or structure used for the permanent or temporary boarding or keeping of more than three dogs of more than six months of age, or more than one litter of pups, or more than three cats of four months of age, or more than one litter of kittens, or more than a total of six dogs and cats more than three months of age in any combination; or engaging in the commercial business of breeding, buying, selling, trading, training, or boarding dogs or cats or both dogs and cats or other pet animals. (Ord. 1985-6 § 4 (part); prior code § 5-2-2(EE))