Spark Jack Heineken

Breeder: not recorded
Sire: Goldsand's Bocelli
Dam: Spark Jack Australia
Gender: Female
Date of birth: not recorded
Country of birth: Italy

Genetic indicators

COI — inbreeding

0.78%

Low. Common ancestors: Kanix Speed Wagon, Saltisgardens Jazz For Joy.

AVK — distinct ancestors

77.4%

48 distinct ancestors out of 62 possible. Among known ancestors only: 80%.

Pedigree completeness

96.8%

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

Value for the breed's diversity

Average pedigree — rarer than 40% of the Jack Russells born in the last 15 years (since 2012)

How often its ancestors (over 6 generations) appear in the pedigrees of the 297 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 2

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
Kanix Speed Wagon ♂	gen. 4	gen. 5	0.39%
Saltisgardens Jazz For Joy ♀	gen. 4	gen. 5	0.39%
COI over 5 generations			0.78%

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

Goldsand's Bocelli ♂

Sweden

Duckling's Jr Just in Time ♂

INT CH, AKC GRAND CH, Nordic, Danish Champion, Finnish Champion, Swedish Champion, Norwegian Champion, Norwegian Winner 2010Goldsand's Columbus ♂White & Tan · 2008

Sweden

Jarnee/Jr Just A Matilda ♀Goldsand's Doris l ♀

Sweden

MULTICHAMPION, HUCH NORDUCH (SE+NO+DK) INTUCH NV-07 SV-08 EUW-08Bjorsatters Peer Gynt ♂White & Tan

Sweden

Goldsand's Bodil M ♀White & Tan

Sweden

Spark Jack Australia ♀

Sparkjack Golden Boy ♂Original Master's Voice Gold Torpedo ♂White & Tan

Touchstar Rebellion ♀

Italy

Emotion All Dell*Isola dei Bar ♀

WORLD VICE-WINNER 2010, AU CH, Class Winner WDS 2011, Italy Champion, Dracula Winner, Romanian Champion, Romanian Grand Champion, Austrian Champion, Luxemburg ChampionPretorium Go Ahead ♂White & Tan

Italy

Zarina Daughter of Kirsty Dell'isola dei Baroni ♀White & Tan

Italy

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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.

Direct offspring 1 litter · 1 dog

Litter of 12 September 2022Ell-Ell's Kingdom For A Heart×Spark Jack Heineken1 ♂

♂ Spark Jack Burning FlameLo22188601Available at studWhite & Tan · Born & living in ItalyPLL-A ClearLOA ClearSCA ClearDM ClearPatella 0Full dentition

Full siblings 1 litter · 1 dog

Litter of 6 October 2017Goldsand's Bocelli×Spark Jack Australia1 ♀

♀ Spark Jack Hirish CoffeeLO1873PLL-A ClearLOA ClearSCA ClearDM ClearPatella 0Eyes clear

Half-siblings, sire's side 1 litter · 1 dog

Litter date not recordedGoldsand's Bocelli×Ordinary Love by Polo Jack1 ♂

♂ Polo Jack You're the Best Thing About MeBorn & living in Italy

Half-siblings, dam's side 1 litter · 1 dog

Litter of 16 December 2015Jackandfish and Gek Raz×Spark Jack Australia1 ♀

♀ Spark Jack AmelieLO1635735PLL-A ClearLOA ClearSCA ClearDM ClearPatella 0Eyes clear