The board consists of: the secretary and executive officer of the state livestock sanitary board; one representative of the department of animal science of the Institute of Agriculture, University of Minnesota, whose primary concern is in the field of poultry; and six other members, who shall be competent and experienced poultrymen, one of whom shall be an owner and operator of a commercial poultry hatchery, one of whom shall be a turkey breeder, one of whom shall be a broiler producer, one of whom shall be a market egg producer, one of whom shall be a packer-processor of poultry and eggs, and one of whom shall be a poultry breeder; all of the latter seven board members to be appointed by the governor, each for a term of three years and until his successor qualified.