Said veterinary surgeon shall, before entering upon the discharge of his duty, file with said director of agriculture his oath of office with a satisfactory and sufficient bond for the faithful performance of his official duties. He shall have his office with or near the office of the director of agriculture; shall act only as an expert, and shall, when practicable, devote all time possible to the investigation of the nature of, causes of and remedies for the diseases of domestic animals. The director of agriculture shall have charge of all clerical work pertaining to the veterinary service.
§ 267.030, RSMo