Personal opinion here, so feel free to ignore, but...I don't know about refusing to treat a certain animal in need just because you don't like it. is it okay not to like it? Sure. I don't have the greatest time ever when I handle pet tarantulas, roaches, etc. Will I ever say 'No, sorry, I refuse to treat x because I don't like them'? No. You also won't ever be comfortable with animals you refuse to expose yourself to, either. I have a lot of friends who really don't like birds and have made efforts to desense themselves to birds by working in our wildlife clinic. They don't plan on seeing birds as part of their GP, but want to be able to at least stabilize a bird in an emergency situation so the client can get to the closest exotics practice (many clients often have to drive hours to see a vet that is experienced in exotics).
Frankly, I don't like pugs. Like at all. I haven't met a pug that I do like, including my best friend's dog
Should I refuse to treat them?
It's one thing to turn away clients with exotic pets because you don't have the experience to see exotics on a GP basis. Most clients with exotic pets will either already have a dedicated exotics vet (which wouldn't be you), or will be calling around looking for someone to see their exotic pet for an emergency. If you're the last clinic open, the closest, whatever...
Maybe
I'm being unrealistic, as I've quite often found myself being handed a species I've never worked with before/am not comfortable with and being told to triage (I've literally been handed an alligator before...) and have told myself to get over my hangups and do what I can with the knowledge I have. I understand that others may not be willing to do something like that.
Besides my soapbox moment..I think it's quite realistic to go into the field with the desire to work with only cats/dogs. A decent percentage of practicing vets do just that, although exotic pets are only becoming more common (as is the client's desire to provide these animals with veterinary care, aka revenue for the clinic).
Edit: Referring to the 'Grossest Things' thread too...but should I also refuse to see a patient covered in maggots just because they make me gag and dry heave?