(2) Such fund shall be expended by the State Fish and Wildlife Commission in cooperation with the State Department of Agriculture and the United States Department of Agriculture for the control and destruction of predatory animals, rabbits and rodents in the state. Any part of such fund remaining unexpended at the end of any calendar year shall remain in the fund for expenditure during the succeeding year. [Amended by 1959 c.680 §1; 1989 c.750 §4; 2001 c.930 §1]