DNA evidence tells us that mastiff-type dogs originated in Tibet some 5,000 years ago, and the Tibetan Mastiff is no doubt a descendant of those dogs. (3/15) by Judy Powell September 19, 2020, 5:40 am Judy Powell 0 Previous 3/15 Next View full list See more Previous article He’s a hard worker, protective of his family, fearless, and loyal. His large size and substance makes him a wonderful guard dog. Next article They developed into two types: the Do-Khyi, who lived in villages or traveled with nomadic shepherds, and the larger Tsang-Khyi, which were often given to lamaseries, where they served as guardians for the Tibetan Buddhist monks. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.