Ala. Code § 2-15-151

The work of suppression or eradication of any infectious, contagious or communicable disease of livestock shall be taken up under the provisions of this article in any county or any part of a county or any part of the State of Alabama when the State Board of Agriculture and Industries deems it best. The county commission of any county in which the state or federal authorities take up the work of the suppression of any infectious, contagious or communicable disease of livestock may appropriate for aiding in such work such sums as the county commission or the State Veterinarian may deem adequate and necessary.