It's called The Unicorn's Beard and it's a fantasy medical mystery about disappointing unicorns, an evil queen, and a veterinarian who is Not Getting Paid Enough.
Sawbones, a wandering veterinarian, is forced into the service of the queen. They must use their knowledge of goat diseases to cure her sick unicorn- or it’s off with their head. Can they discover what’s wrong- and can they save the Queen’s pet from Her Majesty?
What format would you like your short story in?