Some veterinarians are, particularly by animal abuse or cruelty cases. However, I wouldn't say that every veterinarian is disturbed by the general status of the world at large - veterinarians are a heterogenous group of individuals who just happen to all share a common profession.
There are veterinarians in every country in the world.
In 2011 in the United States, the average annual income for all veterinarians was ~US$90,000; however, female veterinarians make slightly less than male veterinarians, so their average ran closer to ~US$85,000.
As of 2010, there are upwards of 120,000 licensed veterinarians in the United States alone. In the world, I would imagine at least 1,000,000 practicing veterinarians.
Veterinarians are trained at accredited colleges of veterinary medicine. There are dozens of these schools around the world.
The AVMA is not a credentialing body for veterinarians. It is a professional association. Veterinarians in the US are licensed in the state that they are working in by a state government agency.
No, it is not a profession that normally requires traveling the world.
I would guess chiropractors - veterinarians tend to make US$100,000 or less per year.
Indestructible
In 2013, the average pay for a veterinarian was ~US$90,000.
the end of the world
Private practice veterinarians work as part of a team of people that includes vet techs, vet assistants, receptionists and kennel workers. Also, most veterinarians in the US practice in a multiple-doctor practice, so they also work with other veterinarians.
Yes, the goal of veterinary college is to turn out veterinarians that are ready to practice with little additional mentoring or guidance.