S.D. Codified Laws § 40-3-3

All members of the Animal Industry Board must be residents and electors of the state. One member must be a cattleman, one member must be a sheepman, one member must be a livestock feeder, one member must be a hog producer, one member must be an owner-operator of a livestock auction or commission company, one member must be a dairy producer, one member must be a poultry producer, and one member must be a veterinarian who is actively engaged in practice in the state. All members, other than the veterinarian, must be persons actively and actually raising or marketing livestock or poultry within the state. The members must qualify by taking and subscribing the oath of office required of other civil officers of the state.