The boards of supervisors, after being notified by the State Veterinarian that the cattle tick (Margaropus annulatus) is known to exist in their respective counties, shall provide such number of dipping vats as may be fixed by the State Veterinarian or his authorized representative, and provide the proper chemicals and other materials necessary to be used in the work of systematic tick eradication in such counties, and said work of systematic tick eradication shall begin on the date indicated by the State Veterinarian and continue until the cattle tick (Margaropus annulatus) is completely eradicated, and notice in writing of same is given by the State Veterinarian.