The Kerry Blue Terrier (also known as the Irish Blue Terrier) (Irish: An Brocaire Gorm) is a breed of dog. Originally bred to control vermin including rats, rabbits, badgers, foxes, otters and hares, over time the Kerry became a general working dog used for a variety of jobs including herding cattle and sheep, and as a guard dog. . Today the Kerry has spread around the world as a companion and ...