This book is one of a series of textbooks on the Welfare of Animals. This book discusses the welfare of dogs used for many different purposes. The book has an international perspective on the welfare of dogs in developed and under-developed countries. The welfare of laboratory dogs which is of concern to many people is discussed, as is the welfare of animals held in shelters waiting for re-homing or euthanasia. The book successfully combines an appreciation of how the health and nutrition of dogs has improved with an understanding of the social difficulties dogs experience. The book's outlook on the subject of dog welfare is positive.