Lap dog children and other dog breeds. However, if properly managed by a dedicated owner, the Chihuahua can adapt to a household environment easily. Pomeranians are the fluffiest of the lap dogs, have a double coat and tend to be a friendly, one-person dog. The Pomeranian is named after the Pomerania region in Central Europe, split between Germany and Poland. The Miniature Pinscher, min pin for short, is a small breed of dog originating from Germany. The breed's earliest ancestors may have included the German Pinscher mixed with Italian greyhounds and dachshunds. Shih Tzu (singular and plural) is one of oldest breeds
Dog breed in 1873 in imitation of other stud book registries for cattle and horses. Ancient breed of dogs was a term once used for a group of dog breeds by the American Kennel Club, but no longer. These breeds were referred to as "ancient breeds", as opposed to modern breeds because historically it was believed that they had origins dating back over 500 years. In 2004, a study looked at the microsatellites of 414 purebred dogs representing 85 breeds. The study found that dog breeds were so genetically distinct that 99% of individual dogs could be correctly assigned to their breed