When serum alone is used for prophylaxis, swine vaccinated at public livestock markets in Kansas, and swine vaccinated in Kansas for interstate shipment, or swine vaccinated for shipment into the state of Kansas, shall be injected with the amount of anti hog cholera serum or the amount of antibody concentrate as hereinafter stated.

Provided, Each animal weighing under 20 pounds shall be injected with a dosage of serum of not to exceed 1 cubic centimeter per pound of body weight or with a dosage of antibody concentrate of not to exceed ½ cubic centimeter per pound of body weight.

(Authorized by K.S.A. 47-610, 47-629, K.S.A. 1968 Supp. 47-653b; effective, E-68-25, Aug. 9, 1968; effective Jan. 1, 1969.)