Answer:
Hounds= Hunting Dogs
Explanation:
Hounds are used to pursue running game (rabbits, deer) and gun dogs are used to locate camouflaged hiding game (grouse, pheasant) or retrieve flying game (ducks). Hunting hounds bring the hunter to the prey. They have keen noses that detect the presence of game and track the scent.
The major tells the narrator that he has been coming to the hospital for years with no effect.