If Vet School is a consideration down the road, saving during undergrad is a huge factor to consider.
I am not sure an articulation agreement matters when you are batting 84% acceptance rate and up. Many articulation agreements to advanced degrees have certain hurdles in the fine print and weed some out along the way as well. I would not let that be a deciding factor.
There is a variety of research he can be involved in at UNH starting his first year.
Jackson Lab is getting a round of well funded renovations.
Training and Research in the Vet Diagnostic Lab
This Pre-Fall course for income UNH students at Isle of Shoals may be of interest to him: