The phrase "use in veterinary medicine" refers to the application or employment of a particular substance, technique, or method in the diagnosis, treatment, prevention, or management of animal diseases and disorders. This can include medications, vaccines, surgical procedures, diagnostic tests, and other therapies that are specifically designed for use on animals rather than humans. The field of veterinary medicine is constantly evolving as new discoveries in science and technology lead to the development of innovative treatments and approaches to care for a wide range of animal species.