The provisions of this Article shall not apply to a person who offers for sale or trade only livestock which he has raised or livestock which he owns or has had in his possession for a period of 30 days or longer or who has had the livestock grown under contract, and is not engaged in the business of buying, selling, trading, or negotiating the transfer of livestock. Neither shall this Article apply to a livestock market operator conducting sales in compliance with the Public Livestock Markets Act (General Statutes Chapter 106, Article 35). (1973, c. 196.)