As some of you know from chatting on previous forums, and similar topics, I am a veterinarian.
Some people may think it is a dream job for us zoo's, and it certainly has its moments, I admit. What you have to consider, especially if planning on entering into this profession, is it also has its down sides. The most obvious being the mental strain of keeping work and personal life separate, and coming up with clever ways to hide erections, but that is just part of it.
There is also the fact that for every sexy bitch you get to do vaginal and anal exams, disimpactions, colonoscopies, enemas, and speculum exams on, there will be an even greater of unpleasant and depending on your view of such matters, likely morally objectionable procedures to perform.
Additionally, If you are pagan as I am, well depending on what pagan faith you follow anyway, you may also have to reconcile some of the things you have to do going against your faith.
There is also the hassle of working with toy breeds. Generally anything smaller than a cocker spaniel tends to be very uncooperative. Toy breeds are as difficult to work with as housecats.