She may be in a situation where the competition into Grad spots are highly competitive. Choosing a different school is one option, the other is to see if there is a reapplication process, first, talking with some of the professors to see what the school's culture is like, thus, helping her with her essay.
Texas A&M has a good vet school. http://www.cvm.tamu.edu/
The best!
Class of '84 Whoop