Animals being lawfully kept prior to the adoption of this ordinance shall be allowed to remain until they are sold, moved, or have lived out their life. The zoning enforcement officer shall notify property owners regarding any known nonconfonning animals so that they will not be replaced or their numbers increased following the effective date of this chapter. Owners of nonconforming animals shall also be subject to the management practices of this chapter. (Ord. No. 1323, (part).)