The State Livestock-Poultry Health Commission may cooperate with the United States Department of Agriculture in the control and eradication of brucellosis. The livestock and poultry health department may appoint and commission, without salary from the State, as its inspectors, representatives of the Animal Disease Eradication Division, United States Department of Agriculture, and may accept from the United States Government such assistance, financial and otherwise, for carrying out the purpose of this article, as may be available from time to time.