(TUDOR’S) MAYFIELD’S NIGGER ROM
♂ SIRE
♀ DAM
Sex
Male
Kennel ID
TK-01165
PEDIGREE
Generations:
Dog appears multiple times in pedigree
OFFSPRING 4 recorded
Pedigree Analytics
Breeding Statistics
5-generation analysis based on pedigree data
Coefficient of Inbreeding
7.03%
Moderate
COI Reference Scale
| 0% | No common ancestors (ideal) | |
| 6.25% | First cousins | |
| 12.5% | Half-siblings / Grandparent | |
| 25% | Full siblings / Parent-offspring | |
| >25% | Multi-generational inbreeding |
Purebred average: ~20% • Recommended target: <10% • A 10% COI increase ≈ 6% reduced adult size & 6–10 month reduced lifespan.
7.03%
COI (5-gen)
29 / 46
Unique Ancestors / Slots
74.2%
Pedigree Completeness
9
Common Ancestors Found
Pedigree Completeness by Generation
COI Comparison
Top COI Contributors
Most Frequent Ancestors
Common Ancestors Detail
| Ancestor | COI Contribution | Sire Paths | Dam Paths | Impact |
|---|---|---|---|---|
| TUDOR’S DIBO (3XW) | 2.344% | 1 | 2 | |
| GORDON’S RED LADY | 1.563% | 1 | 1 | |
| HEINZL’S BAMBI | 1.367% | 3 | 3 | |
| HUBBARD’S BOUNCE | 0.586% | 1 | 2 | |
| CH. TUDOR’S JOHN | 0.391% | 1 | 1 | |
| DE CORDOVA’S ZULA | 0.391% | 1 | 1 | |
| RITCHESON’S SPIKE | 0.146% | 2 | 1 | |
| RITCHESON’S SPOTTY | 0.146% | 2 | 1 | |
| TUDOR’S DINAH | 0.098% | 1 | 1 |
DESCENDANTS TREE
2 generations shown