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Tetsuun Go Takasaki Yamaguchi

Registration n° AKIHO 08-387

Breeder
Osamu Yamaguchi
Sire
Kumohibiki Go Takasaki Yamaguchi
Dam
Haruhime Go Takasaki Yamaguchi
Gender
Male
Date of birth
25 November 2007
Country of birth
Japan
Colour
Brindle
Breeding status
Retired

Genetic indicators
The three figures are recalculated for the generations chosen.

COI — inbreeding

12.5%

High. Common ancestors: Kaunhime Natsukumo Hime Go Takasaki Yamaguchi, Masatoshi Go Ibaraki Nishiyamasou.

AVK — distinct ancestors

43.5%

27 distinct ancestors out of 62 possible. Among known ancestors only: 64.3%.

Pedigree completeness

67.7%

20 empty slots. The AVK takes them into account, so read both figures together.

Value for the breed's diversity

Rare pedigree — rarer than 98% of the Akita born in the last 15 years (since 2012)

How often its ancestors (over 6 generations) appear in the pedigrees of the 27,648 recent dogs: using dogs with a rare pedigree helps keep diversity in the breed. Over: 6 generations 8 generations 10 generations

Common ancestors and how they connect 2

Over 5 generations: each ancestor found on both the sire's and the dam's side, and what it adds to the COI.

AncestorSire's sideDam's sideShare of the COI
Kaunhime Natsukumo Hime Go Takasaki Yamaguchi ♀ gen. 2gen. 3 gen. 3 9.38%
Masatoshi Go Ibaraki Nishiyamasou ♂ gen. 3 gen. 3 3.13%
COI over 5 generations12.5%

How the lines connect

Only the dogs that lead to a common ancestor are drawn. Each coloured line goes from a common ancestor down to its descendants. Click a dog to open its page.

TetsuunKumohibiki Go Takasaki YamaguchiKumohibikiSekiun Go Takasaki YamaguchiSekiunMasatoshi Go Ibaraki NishiyamasouMasatoshiHaruhime Go Takasaki YamaguchiHaruhimeHaruna Go Takasaki Yamaguchi Grace GardenHarunaKaunhime Natsukumo Hime Go Takasaki YamaguchiKaunhime Natsukumo Hime

Sire's side Dam's side Coloured circles: common ancestors, same colours as in the pedigree

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

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Same colour, same dog: these ancestors appear several times in this pedigree.

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Offspring and relatives

Grouped by litter, with both parents at the top of each block. Click to see the puppies of a dog.

Direct offspring 2 litters · 3 dogs
Litter of 23 July 2010
Tetsuun Go Takasaki Yamaguchi×Kiyohime Go Gion Takahashisou
Litter of 4 October 2009
Tetsuun Go Takasaki Yamaguchi×Kiyohime Go Gion Takahashisou
Full siblings 1 litter · 1 dog
Litter of 25 November 2007
Kumohibiki Go Takasaki Yamaguchi×Haruhime Go Takasaki Yamaguchi
Half-siblings, sire's side 1 litter · 1 dog
Litter of 25 November 2007
Kumohibiki Go Takasaki Yamaguchi×Haruna Go Takasaki Yamaguchi Grace Garden