The January 2010 proof run published by Dairy Co includes a listing of the top 1000 Guernsey females from England and Wales and Guernsey Island. The Top 10 heifers from England & Wales all have a £PLI of more than £+105 and the 7 that have been classified have an average score of +83.5 points. The leading heifer is a maternal sister to Beechgroves Ezekiel who has semen available at present from EGCS.
| Name | Owner | £PLI | GMI | Score |
| Beechgroves Elinor 15 | R Maiklem | +£145 | 386 | H 83 |
| Bourton Clover 24 | P & C Cox | +£135 | 305 | |
| Thornton Clematis 7 | A & M Hall | +£128 | 326 | H 83 |
| Shalford 14 Tempest 16 | J Warren | +£122 | 341 | H 84 |
| Hinxden Violet 4 | R Manford | +£113 | 243 | H 84 |
| Briddlesford Oaks Violet | R & P Griffin | +£113 | 318 | H 83 |
| Beechgroves Nikita 4 | Lacey Bros | +£112 | 269 | |
| Tredinney Cornelius Nancy 2 | J Warren | +£112 | 309 | |
| Briddlesford Lucks Daisy 13 | R & P Griffin | +£111 | 240 | H 83 |
| Bourton Kelly | P & C Cox | +£105 | 269 | H 85 |