What kind of dog is the Earl of Downton Abbey?

The breed of the Earl's dog in Downton Abbey is Labrador.

Labrador, also known as retriever, is a large dog, which is very suitable for being selected as a guide dog, a subway police dog, a search and rescue dog and other working dogs who often go to public places. It is named after Newfoundland and Labrador where it originated. Together with Siberian sled dogs and golden retrievers, they are three non-aggressive breeds. Labrador's IQ ranks sixth among dogs in the world. Loyal personality, atmosphere, simple and honest, gentle, sunny, cheerful, lively, high IQ, and friendly to people,