Dogs have lived and worked with humans in so many roles that they have earned the unique nickname, "man's best friend",[65] a phrase used in other languages as well. They have been bred for herding livestock,[66] hunting (e.g. pointers and hounds),[67] rodent control,[3] guarding, helping fishermen with nets, detection dogs, and pulling loads, in addition to their roles as companions.[3]Book of the Hunt, Gaston III, Count of Foix, 1387–88.Service dogs such as guide dogs, utility dogs, assistance dogs, hearing dogs, and psychological therapy dogs...
