Major in something you like. The airlines aren't going to care what you majored in, just that you got the degree. I used to tell folks a degree is like a white collar union card, it just shows you can survive four years in a hostile environment. If you pick something you like, you're much more likely to do better and some companies do look at GPA.

Think about it, West Point and the Air Force Academy have history and English majors. What do they have to do with (1) impressing people to do our bidding or (2) killing them if they don't. (Army/AF mission statements boiled down.)

Thirty+ years ago I started in engineering and ended up with a BS in communications. I got my private during my sophomore year through the university flying club. I took a meteorology class and aerospace engineering taught an instrument GS and PVT. (I took the PVT GS after I had the rating.) Other than those three classes, the only classes that any relationship to flying were an engineering physics class (vector analysis = a wind triangle) and a communications class talked about sending a message therough "noise" and knowing the message got through when there is a change in behavior = CRM. The other 3 and a half years were just interesting. I backed into a flying job in 1980 and haven't been near a radio station since.

If Vet Sci rocks your boat, go for it. There is a company in LEX that contracts a 727 to fly horses. I did that for about a year, one of the handlers that rode along in back had a Vet Sci degree from Kentucky.