Iowa Code § 169.2: Legislative purpose.

This chapter is enacted as an exercise of the police powers of the state to promote the public health, safety, and welfare by safeguarding the people of this state against incompetent, dishonest, or unprincipled practitioners of veterinary medicine. It is declared that the right to practice veterinary medicine is a privilege conferred by legislative grant to persons possessed of the personal and professional qualifications specified in this chapter. This chapter shall be liberally construed to effect the legislative purpose.