There are three primary databases that index journals that relate specifically to Veterinary Medicine:
You can also use the Veterinary Medicine subject guide. This lists out some of the key databases for veterinary medicine (some of which are also listed on this page) as well as some specific resources for each of the tracks of the program.
There are a number of other databases index journals that relate to other disciplines that also impact Veterinary Medicine (e.g. biology, agriculture, bacteria, etc.). This is not a comprehensive list, but provided to demonstrate how some of these may also be relevant to your particular research area.