Riley The Rottweiler Puppy Poster – The Rottweiler is a large size breed of domestic dog. ? ? The dogs were known as “Rottweil butchers’ dogs” (German: Rottweiler Metzgerhund) because they were used to herd livestock and pull carts laden with butchered meat and other products to market. ? ? The Rottweiler was employed in its traditional roles until the mid-19th century when railways replaced droving for herding livestock to market. While still used in herding, ? ? Rottweilers are now used as search and rescue dogs, as guide dogs for the blind, as guard dogs or police dogs, and in other roles.