| Breed | Sample size | Hypothetical population based on |
|---|---|---|
| Belgian Shepherd | 142 | Breed form |
| English Greyhound | 104 | Country of origin or lineage purpose |
| Finnish Lapphund | 224 | Breeding restrictions |
| Italian Greyhound | 90 | Country of origin or lineage purpose |
| Labrador Retriever | 608 | Country of origin or lineage purpose |
| Shetland Sheepdog | 95 | Country of origin |