Kazetora Go Toukyou Takaryuu

Registration n° AKIHO 17-5489

Breeder: Tatsuo Takahashi
Owner: Roberto Bezerra Da Silva
Sire: Ryouya Go Kanzakiya Kensha
Dam: Hakutsuro Go Shirai
Gender: Male
Date of birth: 30 August 2017
Country of birth: Japan
Country of standing: Brazil

Colour: Blue Brindle

Genetic indicators

COI — inbreeding

0.39%

Low. Common ancestor: Taiyoukou Go Akita Iijimasou.

AVK — distinct ancestors

88.7%

55 distinct ancestors out of 62 possible. Among known ancestors only: 98.2%.

Pedigree completeness

90.3%

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

Value for the breed's diversity

Average lines — rarer than 65% of the Akita born in the last 15 years (since 2012)

How often its ancestors (over 8 generations) appear in the pedigrees of the 27,323 recent dogs: rare lines bring new genes to the breed. Over: 6 generations 8 generations 10 generations

Common ancestors and how they connect 1

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
Taiyoukou Go Akita Iijimasou ♂	gen. 4	gen. 5	0.39%
COI over 5 generations			0.39%

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

Akita Cup Italy 2019 Seiken A 3rd placeRyouya Go Kanzakiya Kensha ♂Blue Brindle · 2014

Japan Koyata Go Kurume Hirose ♂Brindle · 2012

Japan Kotarou Go Oomano ♂Brindle · 2009

Japan Hakubi Go Kurume Hirose ♀White · 2006

Japan

Ryoukou Go Kanzakiya Kensha ♀Brindle · 2012

Japan

Shoudai Go Kanzakiya Kensha ♂Brindle · 2010

Japan

Satsuki Go Osaka Korakuen ♀Brindle · 2007

Japan Hakutsuro Go Shirai ♀White · 2014

Japan

Meiyosho winner 2017 136° HonbutenToujou Go Sanuki Tsutsuisou ♂Brindle · 2013

Japan

Touki Go Senshuu Takashihamasou ♂Brindle · 2008

Japan

1st place youkenB Class at 125th HonbutenHimeko Go Sanshuu Kuwayama ♀Brindle · 2011

Japan

Yume Ori Go Shirai ♀Brindle · 2013

Japan

No.1 Yoken B - 127th HonbutenFuuetsu Go Shirai ♂Red · 2012

Japan Yumeka Go Shirai ♀Brindle · 2012

Japan

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Generations Photos

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