Unfortunately, there's really no single answer to give! If you hear anyone give you a concrete answer they have not considered all the variables. What makes this question so hard to answer? A number...
Check out Jobnob. They have 112 salaries at 78 companies for a Veterinarian http://www.jobnob.com/veterinarian-salary
You can see the average by company and by city- so it depends where you are...