Section 2. That such investigations shall be made by and under the direction of the State Live Stock Sanitary Board, and the said Board is hereby authorized to provide for and conduct such work of investigation as may be necessary to discover the most efficient, economical and practical means of avoiding and suppressing the diseases of the domestic animals of this Commonwealth; and such work, and the practical deductions therefrom, shall, upon the order of the Secretary of Agriculture, be published as a part of the annual report of the Department of Agriculture, or as bulletins from said Department.
Provided however, That before any expenses shall be incurred under the provisions of this act, it shall first be approved by the Governor and the Secretary of Agriculture. The said appropriation is to be paid upon the warrant of the Auditor General, on the presentation of specifically itemized vouchers and the written approval of the Governor and Secretary of Agriculture as herein provided.