The Ancient Cattle of Wales breed has been added to the Rare Breeds ... smoky or mouse coloured and "line back" - any colour with a white line along its back, tail and underside.

and “line back”. Originally dual-purpose, the breed is now prized for its beef, known for producing tender, flavourful meat. Ancient Cattle of Wales Society chairman Mike Lewis said ...

The Ancient Cattle of Wales breed has been added to the Rare Breeds ... smokey or mouse coloured and “line back” – any colour with a white line along its back, tail and underside.

I first came across a breed of cattle known as Fleckvieh when I was in vet school. It has several positive attributes but what stood out for me is the fact that it is a dual purpose breed.