| Specie | Breed |
|---|---|
| Sheep | Welsh Mountain |
| Sheep | Welsh Mule |
| Sheep | Welsh Tanface |
| Sheep | Wensleydale |
| Sheep | White Face Dartmoor |
| Sheep | Whitefaced Woodland |
| Sheep | Wiltshire Horn |
| Sheep | Yorkshire Halfbreed |
| Sheep | Zwartbles |
| Pig | Berkshire |
| Pig | British Landrace |
| Pig | British Lop |
| Pig | British Saddleback |
| Pig | Duroc |
| Pig | Gloucestershire Old Spots |
| Pig | Hampshire |
| Pig | Kune-Kune |
| Pig | Large Black |
| Pig | Large White |
| Pig | Mangalitza |
World domestic breeds data
