The State Veterinarian shall appoint the necessary number of local state inspectors and range riders to assist the counties in systematic tick eradication, who shall be commissioned by the Board of Animal Health as livestock inspectors. The salaries of said inspectors and range riders shall be fixed by the Board of Animal Health and shall be sufficient to insure the employment of competent men. If the services of any of said inspectors or range riders is not satisfactory to the State Veterinarian, his services shall be immediately discontinued, and the decision of the State Veterinarian, after confirmation by the board, shall be final without recourse and the commission of said inspector shall be cancelled. The salaries of said inspectors shall be paid from funds at the disposal of the Board of Animal Health, drawn by secretary and approved by chairman.