(1) the diagnosis, treatment, correction, change, relief or prevention of animal disease, deformity, defect, injury or other physical or mental condition, including the prescription or administration of any drug, medicine, biologic, apparatus, application, anesthetic or other therapeutic or diagnostic substance or technique and the use of any procedure for artificial insemination, testing for pregnancy, diagnosing and
treating sterility or infertility or rendering advice with regard to any of these;