New poster, old vet. I don't think expressing your desire to practice on any species will affect your interview. Be yourself, be confident, be gracious, be honest, and enjoy the experience.
As a solo rural vet of 20 yrs, I would love to mentor/hire someone committed to the lifestyle. My concern is I would not be able to offer a salary high enough to service your debt and provide a reasonable living for you. I also don't think I have enough work or staff to support a full time associate. That being said, my current thought process is to hire someone, split time with them until trained, and gradually reduce my hours so I can pursue other interests (kids, vacations, and my own ranch). Economically it doesn't make sense for me to do this, but that's where my heart is.
As an aside, I would not hire based on grades but on people skills, teachability, and enthusiasm. Oh and what my wife says