This chapter does not prohibit the display or sales of rodents, natural chicks, ducklings, or other fowls, in proper facilities by dealers, hatcheries or stores engaged in the business of selling the same, to be raised for food purposes; nor does it prohibit the display or sale of cats, dogs, fowls, fish, rabbits, or other animals in licensed pet shops, kennels, aviaries, or fish hatcheries.
(`83 Code, § 6.28.020)