Kojiro go Tessaiga

小次郎 · Registration n° LO2337879

Breeder: Elettra Grassi
Owner: Fabio Volpe
Kennel: Tessaiga Kennel
Sire: Eren no Titan go Tessaiga
Dam: Reika no Tamahime go Tessaiga
Call name: Kojiro
Gender: Male
Date of birth: 14 January 2023
Country of birth & standing: Italy

Size: 41 cm (16.1 in)
Weight: 12.5 kg (27.6 lb)
Colour: Red

Genetic indicators

COI — inbreeding

10.16%

Moderate. Common ancestors: Akane No Ryuu Go Akanegawa Tatsumisou, Shikon No Tama Go Tessaiga, Kashira No Fukunahime Go Akanegawa Tatsumisou.

AVK — distinct ancestors

74.2%

46 distinct ancestors out of 62 possible.

Pedigree completeness

100%

Complete pedigree over 5 generations.

Value for the breed's diversity

Average pedigree — rarer than 72% of the Shiba born in the last 15 years (since 2012)

How often its ancestors (over 6 generations) appear in the pedigrees of the 11,490 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 3

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
Akane No Ryuu Go Akanegawa Tatsumisou ♂	gen. 3	gen. 2	6.25%
Shikon No Tama Go Tessaiga ♀	gen. 3	gen. 3	3.13%
Kashira No Fukunahime Go Akanegawa Tatsumisou ♀	gen. 4gen. 5	gen. 3	0.78%
COI over 5 generations			10.16%

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

Multi BIS - GRAND MNE CH- Mne ch.- Adriatic ch- Mediterrenean ch.- INT.CH- ITA CH - HU Ch.Derby Winner 19Eren no Titan go Tessaiga ♂Red · 2017

Italy

Multi Biss,TOP DOG 2018, TOP DOG 2017, TOP DOG jr 2016- Vice European Winner 19, ITA ch, Slo ch. Ita club ch. - It Jr Ch- HR Jr Ch - Zagreb Jr Winner 16Magellan Go Tessaiga ♂マゼラン号鉄砕牙Red · 2016

Italy

Champion ITA ch Multi Bog Winner Jr ita chAkane No Ryuu Go Akanegawa Tatsumisou ♂ROI 14/7049Red

Japan

Cypro, portoghese, oporto winnerShikon No Tama Go Tessaiga ♀四魂の玉号鉄砕牙LOE 1975072, ROI 09/82179Red · 2008

CH CroatiaKensei Nobana Go Sapporo Kagasou ♀犬誠のばな号札幌加我荘H25-28911Red · 2013

Japan

Tenshouryuu Go Hakugasou (Shirakayasou) ♂天昇竜号　白茅荘H24-4905Red

Japan

Kensei Komari Go Sapporo Kagasou ♀犬誠こまり号札幌加我荘H23-23996

Japan

junior ita ch vice eu junior chReika no Tamahime go Tessaiga ♀Red · 2017

Champion ITA ch Multi Bog Winner Jr ita chAkane No Ryuu Go Akanegawa Tatsumisou ♂ROI 14/7049Red

Japan

FINALIST BIS GN 2012, 2nd best maleKokuryuu Go Esshuu Matsudasou ♂黒龍号越州松田荘NIPPO H21-18571Black and Tan

Japan

Kashira No Fukunahime Go Akanegawa Tatsumisou ♀頭の福菜姫号　赤根川辰巳荘NIPPO H19-28493Red

Japan

ch san marinoBenten go Tessaiga ♀弁財天号鉄砕牙Red

Italy

Azerbaijan GCH.; San Marino CH.; Cyprus CH. ; Georgia, CH. ; Moldavia CH. ; Serbia CH. ; International FCI CH.Matsugorou Go Kurobe Nishidasou ♂松五郎号　黒部西田荘NIPPO H23-18328/ LO1318814Red · 2011

Japan

Cypro, portoghese, oporto winnerShikon No Tama Go Tessaiga ♀四魂の玉号鉄砕牙LOE 1975072, ROI 09/82179Red · 2008

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

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Generations Photos

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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.

Half-siblings, sire's side 4 litters · 5 dogs

Litter of 3 July 2023

Eren no Titan go Tessaiga×Kaga No Iori Sapporo Kagasou

1 ♀

♀ Midori No Shinjetsu Go AnshinRed · born in Italy · lives in Finland

Litter of 7 January 2023

Eren no Titan go Tessaiga×Junken Suzuhana Go Kyuushuu Jukenkai

1 ♂ · 1 ♀

♂ Kinryu no Toyonishiki go TessaigaRed · born & living in ItalyHD APatella 0Eyes Clear
♀ Mikasa no Titan go TessaigaRed · born & living in ItalyHD APatella 0Eyes Clear 2025