The World Health Organization lists more than 250 veterinary schools throughout the world. The California legislature would have you believe that is true. There is a very workable, reliable, and updated way that veterinarians trained in foreign countries can obtain the right to test for state licenses in North America. It is offered throughout North America at about 300 testing centers. Candidates are able to take the exam no sooner than six months prior to expected graduation.
All vets have to meet requirements in states where they want to practice.
For foreign veterinarians, this ranges from Nebraska, which has no provision for licensure of graduates of foreign countries, to a few states that allow temporary practice permits to otherwise qualified veterinarians pending successfully passing the licensing examination. The diseases are different. The management is different. The licensed drugs are different. The commonly used diagnostics are different.