please don't be offended but if you find yourself saying "please, don't be offended", LPT, you can generally reword what you are about to say so it's simply a compliment instead of containing the negative messsage.
You are impressed by how much variation a veterinarian must account for in a single species, and they handle multiple species.
The “offended” would be “sometimes, I dismiss” – there's no way to re-word that to be less offensive (even though it isn't particularly offensive, I wouldn't think) without omitting it entirely.
You are impressed by how much variation a veterinarian must account for in a single species, and they handle multiple species.