There is hereby created a board to be known as the “State Milk Board” to consist of twelve members to be nominated by the director of the department of agriculture and shall be appointed by the governor, with the advice and consent of the senate, four of whom shall be representatives and active members of the staff of each of four local health jurisdictions including St. Louis County, Missouri, health department; St. Louis City, Missouri, health division; Kansas City, Missouri, health department; Springfield, Missouri, health department. Four grade A milk producers shall represent dairy producers through a registered milk producer organization or farm organization with no more than one representing any one organization; one member shall represent dairy processors through a recognized processor organization; and one member shall be a consumer at large. Not more than six of the twelve board members shall be members of the same political party. The consumer at large or his spouse shall not be affiliated with any of the above-mentioned groups. The director of the state department of health and senior services or his designated representative and the state director of the department of agriculture or his designated representative shall serve as members. The term of service of each board member shall expire September twenty-eight of the fourth year after appointment. However, the term of the first members appointed shall expire September twenty-eight of the first to fourth year after appointment as specified by the governor and as equally as possible. Provisions of sections 196.931 to 196.959 shall be implemented within one year of August 13, 1972. Board members shall serve without financial compensation.