Black Jac

Registration n° NM749305/01

Breeder: not recorded
Sire: Light's Red Bud
Dam: Light's Nikki Lea
Gender: Male
Date of birth: not recorded

Colour: Black and Tan

Genetic indicators

COI — inbreeding

0.39%

Low. Common ancestor: Sotou No Gyokuryuu Go Sotosou.

AVK — distinct ancestors

46.8%

29 distinct ancestors out of 62 possible. Among known ancestors only: 90.6%.

Pedigree completeness

51.6%

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

Value for the breed's diversity

Rare lines — 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 11,380 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
Sotou No Gyokuryuu Go Sotosou ♂	gen. 5 ×2	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

Light's Red Bud ♂AKC NM576356/03Sesame · 1994

USA

Cameo Red Rover ♂NM335425/01Red · 1988

USA

Graham Uchida's Maverick ♂AKC NM335453/01 (09-92)Black and Tan · 1982

USA

Shiroi Hana of Shosha Shibas ♀NM335681/01 09-92White · 1983

USA

Dichas Winner Sheen ♀AKC NM457804/03Red · 1992

USA

Unknown

Light's Nikki Lea ♀NM546177/03Red · 1994

USA

Knight's Red Fox ♂AKC NM448505/04Red · 1992

USA

Unknown

Romad's Grace ♀AKC NM335631/02Red · 1990

USA

Kinouk's Pop-A-Top ♂NM334997/01Red · 1986

USA

Kanehime Of Satorisow ♀NM334931/01Red · 1987

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Generations Photos

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