Katsuranishiki of Oikawa House

Registration n° NM336923/01

CH; Rare Breed Dog Of The Year 1990

Breeder: Shogo Oikawa
Owner: Rick Tomita
Sire: Koushuu No Gen Go Echigo Suwasou
Dam: Musashi No Beniyukihime of Oikawa House
Call name: Chibi
Gender: Male
Date of birth: 15 April 1986
Country of birth: Japan
Country of standing: USA

Colour: Sesame
Health notes: Red sesame/sashige
Breeding status: Retired

Genetic indicators

COI — inbreeding

12.5%

High. Common ancestor: Koushuu No Gen Go Echigo Suwasou.

AVK — distinct ancestors

30.6%

19 distinct ancestors out of 62 possible. Among known ancestors only: 73.1%.

Pedigree completeness

41.9%

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

Value for the breed's diversity

Rare pedigree — rarer than 99% of the Shiba born in the last 15 years (since 2012)

How often its ancestors (over 6 generations) appear in the pedigrees of the 11,572 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 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
Koushuu No Gen Go Echigo Suwasou ♂	gen. 1	gen. 3	12.5%
COI over 5 generations			12.5%

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.

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

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Parents

Grandparents

Great-grandparents

Koushuu No Gen Go Echigo Suwasou ♂甲州の源号　越後諏訪荘

Japan

Habiki No Gen Go Habikinosou ♂

Japan

Sakushuugen Go Tsuyama Kunimotosou ♂作州源号　津山国本荘NIPPO 348319Red · 1976

Japan

Miyukime Go Izumisou ♀

Japan

Senhime Go Suruga Ooishi Kensha ♀千姫号　駿河大石犬舎NIPPO 53-36021977

Japan

Ichiryuumaru Go Kamiyasou ♂市竜丸号　神屋荘

Japan

Mineko Go Yaizu Ishihara ♀峰子号　焼津石原

Japan

Musashi No Beniyukihime of Oikawa House ♀

Japan

Fuji No Wakataka Go Amano Kensha ♂

Japan

Fuji No Takamaru Go Amano Kensha ♂

Japan

Yatsuhime Go Omata Kensha ♀

Japan

Hanahime of Oikawa House ♀

Japan

Koushuu No Gen Go Echigo Suwasou ♂甲州の源号　越後諏訪荘

Japan

Minehime Go Showa Makoto Kensha ♀

Japan

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

Koushuu No Gen Go Echigo Suwasou ×2

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Generations Photos

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