Yudai Go Kawachi Nakano

Registration n° AKIHO 21-2500

Breeder: not recorded
Owner: Zuzanna Chade
Sire: Kourin Go Sanuki Tsutsuisou
Dam: Reika Go Senshuu Takashihamasou
Gender: Male
Date of birth: 2021
Country of birth: Japan
Country of standing: Poland

Colour: Red

Genetic indicators

COI — inbreeding

3.91%

Low. Common ancestors: Awa Tenjin Go Jr Matsunaga, Shin Kantou Biryuu Go Jr Matsunaga, Awa Unjou Go Kisarazu Nomura, Kotohina Go Awa Kuroiwa Sou.

AVK — distinct ancestors

82.3%

51 distinct ancestors out of 62 possible.

Pedigree completeness

100%

Complete pedigree over 5 generations.

Value for the breed's diversity

Average lines — rarer than 61% of the Akita born in the last 15 years (since 2012)

How often its ancestors (over 6 generations) appear in the pedigrees of the 27,573 recent dogs: rare lines bring new genes to the breed. Over: 6 generations 8 generations 10 generations

Common ancestors and how they connect 4

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

Ancestor	Sire's side	Dam's side	Share of the COI
Awa Tenjin Go Jr Matsunaga ♂	gen. 3	gen. 3	3.13%
Shin Kantou Biryuu Go Jr Matsunaga ♂	gen. 4gen. 5	gen. 5	0.39%
Awa Unjou Go Kisarazu Nomura ♂	gen. 5 ×2	gen. 5	0.2%
Kotohina Go Awa Kuroiwa Sou ♀	gen. 5 ×2	gen. 5	0.2%
COI over 5 generations			3.91%

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.

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 + F_A), 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

The whole tree fits on screen. Pinch to zoom in on a dog.

Parents

Grandparents

Great-grandparents

141th honbuten Yoken A 1th winner 147° Honbuten MEIYOSHO WINNERKourin Go Sanuki Tsutsuisou ♂Red · 2019

Japan Shin Awa Kokushi Go Jr Matsunaga ♂Red · 2016

Japan

CH SWISS, SLO and NLAwa Tenjin Go Jr Matsunaga ♂Red · 2014

Japan Awa Senhime Go Jr Matsunaga ♀Red · 2011

Japan Benihotaru Go Sanuki Tsutsuisou ♀Red · 2013

Japan

Ougonryuu Go Kouyasan Miyauchisou ♂Red · 2011

Japan Ayaka Go Kouyasan Hashitani ♀Red · 2011

Japan Reika Go Senshuu Takashihamasou ♀Red

Japan

138th Honbuten Souken 3rd place, 136th Honbuten Yoken A 5th placeKannari No Ryuu Go Kannarisou ♂Red · 2016

Japan

MULTI AKIHO Winner, 87th Ibaraki akiho show - Soken 1st place, 136th Honbuten 2nd place Soken class, 135th Honbuten 4th place Soken class, 134th Honbuten Waka Inu 5th placeRankurou Go Akita Shibata ♂Red · 2015

Japan Rikuzen Kyoka Go Kazusa ♀Red · 2014

Japan Chiaki Go Senshuu Takashihamasou ♀Red · 2018

Japan

CH SWISS, SLO and NLAwa Tenjin Go Jr Matsunaga ♂Red · 2014

Japan Matsuri Go Senshuu Takashihamasou ♀Red · 2017

Japan

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

Awa Tenjin Go Jr Matsunaga ×2

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Generations Photos

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