We've done full blood panels, allergy tests (he's off wheat now) and x-rays to ensure it was nothing physical. (caninejournal.com)
It is always a good idea, in a rabbit over 2 years of age, to have a very thorough health check done, including full blood work. (houserabbitga.com)
You should also consider having your vet run full blood tests at least once a year to reveal any potential problems that might not be visible yet. (cesarsway.com)