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Rika Go Shirai

Breeder
not recorded
Sire
Yuuma Go Shirai
Dam
Kana Go Shirai
Gender
Female
Date of birth
not recorded
Country of birth
Japan
Colour
Red

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

COI — inbreeding

20.12%

High. Common ancestors: Kouki Go Shirai, Tamahime Go Shirai, Awa Aihime Go Musashi Aiwa, Momoka Go Musashi Aiwa, Matsukaze Go Musashi Aiwa and 1 more.

AVK — distinct ancestors

51.6%

32 distinct ancestors out of 62 possible.

Pedigree completeness

100%

Complete pedigree over 5 generations.

Value for the breed's diversity

Very common pedigree — rarer than 1% of the Akita born in the last 15 years (since 2012)

How often its ancestors (over 6 generations) appear in the pedigrees of the 27,660 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 6

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
Kouki Go Shirai ♂ gen. 2 gen. 3 7.03%
Tamahime Go Shirai ♀ gen. 2 gen. 3 7.03%
Awa Aihime Go Musashi Aiwa ♀ gen. 4 ×2gen. 5 gen. 4gen. 5 ×2 2.15%
Momoka Go Musashi Aiwa ♀ gen. 3gen. 4 gen. 4gen. 5 1.56%
Matsukaze Go Musashi Aiwa ♂ gen. 3gen. 5 ×3 gen. 4 1.17%
Hokuto Go Kisarazu Shirai Kensha ♂ gen. 5 ×2 gen. 4gen. 5 ×2 1.17%
COI over 5 generations20.12%

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.

RikaYuuma Go ShiraiYuumaKouki Go ShiraiKoukiKana Go ShiraiKanaFuuetsu Go ShiraiFuuetsuUkyou Go ShiraiUkyouYuushou Go Musashi AiwaYuushouMatsukaze Go Musashi AiwaMatsukazeTamahime Go ShiraiTamahimeAzusa Go ShiraiAzusaMayu Nayu Go ShiraiMayu NayuMomoka Go Musashi AiwaMomokaAwa Aihime Go Musashi AiwaAwa AihimeYuri Go RyuukensouYuriKoutaro Go ShiraiKoutaroHokuto Go Kisarazu Shirai KenshaHokutoKouryuu Go HanafujiKouryuuRinhime Go Musashi AiwaRinhime

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 1 litter · 1 dog
Litter of 5 September 2018
Gen Go Shirai×Rika Go Shirai
Half-siblings, sire's side 3 litters · 6 dogs
Litter of 2 August 2018
Yuuma Go Shirai×Nami Delle Bianche Vallate
Litter of 2 October 2017
Yuuma Go Shirai×Kimiko Go Daruma Kensha
Litter of 29 August 2016
Yuuma Go Shirai×Katsuragi Go Shirai
Half-siblings, dam's side 3 litters · 4 dogs
Litter of 16 January 2020
Eukou Maru Go Sunada Kensha×Kana Go Shirai
Litter of 26 February 2018
Daisen Go Seishou Ninomiya×Kana Go Shirai
Litter date not recorded
sire not recorded×Kana Go Shirai