Test a mating

Choose a sire and a dam to preview the pedigree and inbreeding of their future litter. You can also imagine a puppy that does not exist yet, from its two parents, and test its own mating.

or an imaginary male puppy, from his parents

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or an imaginary female puppy, from her parents

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Kinyou Go Noshiro FujitaSireKinyou Go Noshiro FujitaAKIHO 19-342 · ♂ Red · Japan · 2018Own COI 1.17% over 5 generations Tamamomoka Go ErukusouDamTamamomoka Go ErukusouAKIHO 17-5017 · ♀ Red · Japan · 2017Own COI 0.39% over 5 generations

Genetic indicators of the litter

The three figures are recalculated for the generations chosen.

COI — inbreeding

0%

No common ancestor over 5 generations.

AVK — distinct ancestors

98.4%

61 distinct ancestors out of 62 possible.

Pedigree completeness

100%

Complete pedigree over 5 generations.

Value of this litter for the breed's diversity

Average lines — the puppies would be rarer than 55% of the Akita born in the last 15 years (since 2012)

Litter: 55% ♂ Sire: Average lines · 60% ♀ Dam: Very common lines · 13%

How often the puppies' ancestors (over 6 generations) appear in the pedigrees of the 27,505 recent dogs: rare lines bring new genes to the breed.

How these figures are calculated

COI — Wright's formula: F = Σ (½)n₁+n₂+1 × (1 + FA), summed over every path through a common ancestor A. The number of generations must be fixed for two dogs to be comparable: a more complete pedigree mechanically raises the figure.

AVK — distinct ancestors divided by the theoretical number of ancestors. Over 5 generations there are 62 possible slots. 100% means no ancestor appears twice.

Completeness — the share of slots actually filled in. The AVK is misleading without it: a half-empty pedigree shows a low AVK even with no inbreeding at all, simply because data is missing.

Pedigree of the litter

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