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LES GRIFFIE’S EASY
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OFFSPRING
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SIBLINGS
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PEDSTATS
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PRINTER FRIENDLY
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Coefficient of Inbreeding
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.
4 / 8
Unique Ancestors / Slots
12.9%
Pedigree Completeness
Pedigree Completeness by Generation
Common Ancestors Detail
| Ancestor |
COI Contribution |
Sire Paths |
Dam Paths |
Impact |
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LOTT’S SPYDER
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7.813% |
3 |
1 |
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