What breed of dog is a guide dog

Guide dogs are highly trained dogs and are a type of working dog. Trained guide dogs can help blind people get to schools, stores, laundromats, street gardens, etc. They are accustomed to the restraints of collars, guide leashes and other accessories, know many commands, can lead blind people safely on foot, and will guide their owners to stop to avoid danger when they encounter obstacles and need to turn corners. Golden Retrievers are perfect for guide dogs, as they are outgoing and can often give comfort to the soul; Labradors can also be used as guide dogs, as they are gentle and steady, while being very loyal to their owners. Trained Doberman Pinschers are also qualified to serve as guide dogs. They are strong, intimidating and will never betray their owners.