The legislature intends by this Act: to promote the growth of the cattle industry in Illinois, to assure the State and American public an adequate and wholesome food supply and to provide for the general economic welfare of both producers and consumers of beef and the State of Illinois; and to provide the beef cattle production and feeding industry of this State with authority to establish a self-financed, self-governed program to help develop, maintain and expand the State, national and foreign markets for beef and beef products produced, processed or manufactured in this State.