I've heard there is a way, though it's not easy. People use (apparently the human kind of) blood glucose test meters and strips. They take the droplet either from the ear or from a paw-pad, with the ear preferred for cleanliness.
This is all stuff I've read -- I obviously haven't tried it yet! :-/
no subject
This is all stuff I've read -- I obviously haven't tried it yet! :-/