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Billy-Boy du Moulin de Xavoy

Registration n° 14280/1386

Breeder
not recorded
Sire
Tex du Moulin de Xavoy
Dam
Toundra du Moulin de Xavoy
Gender
Male
Date of birth
10 April 2006

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

COI — inbreeding

4.88%

Low. Common ancestors: A'Boris Boris, In White des Geguis, Howlbeck Rob-Roy, Medway du Moulin de Xavoy, Joye du Moulin de Xavoy and 1 more.

AVK — distinct ancestors

58.1%

36 distinct ancestors out of 62 possible. Among known ancestors only: 69.2%.

Pedigree completeness

83.9%

10 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 Jack Russells born in the last 15 years (since 2012)

How often its ancestors (over 10 generations) appear in the pedigrees of the 253 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
A'Boris Boris ♂ gen. 4 ×2gen. 5 gen. 5 0.98%
In White des Geguis ♀ gen. 4 ×2 gen. 5 0.78%
Howlbeck Rob-Roy ♂ gen. 4 gen. 4 0.78%
Medway du Moulin de Xavoy ♀ gen. 4 gen. 4 0.78%
Joye du Moulin de Xavoy ♀ gen. 3gen. 5 gen. 5 0.78%
Elsa gen. 4 gen. 4 0.78%
COI over 5 generations4.88%

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.

Billy-Boy du Moulin de …Tex du Moulin de XavoyTex du Moulin de XavoyRambo du Moulin de XavoyRambo du Moulin de XavoyLooping de ThimmarajuLooping de ThimmarajuA'Boris BorisA'Boris BorisToundra du Moulin de XavoyToundra du Moulin de Xa…Suzy du Moulin de XavoySuzy du Moulin de XavoyNora du Moulin de XavoyNora du Moulin de XavoyLepton de ThimmarajuLepton de ThimmarajuRejane du Moulin de XavoyRejane du Moulin de Xav…Joye du Moulin de XavoyJoye du Moulin de XavoyHelliot de NavoncourtHelliot de NavoncourtIn White des GeguisIn White des GeguisPepsy du Moulin de XavoyPepsy du Moulin de XavoyHowlbeck Rob-RoyHowlbeck Rob-RoyPax du Moulin de XavoyPax du Moulin de XavoyMedway du Moulin de XavoyMedway du Moulin de Xav…ElsaElsaPolluxPolluxLeo du Moulin de XavoyLeo du Moulin de Xavoy

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.

Read more: how the COI is calculated

Pedigree

The whole tree fits on screen. Pinch to zoom in on a dog.

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 15 February 2009Billy-Boy du Moulin de Xavoy×Baikal1 ♀
  • ♀ Easy21317/3975Tricolour

Half-siblings, sire's side 2 litters · 2 dogs

Litter of 14 April 2006Tex du Moulin de Xavoy×Uska1 ♀
  • ♀ Baikal13253/2302Tricolour
Litter of 23 October 2004Tex du Moulin de Xavoy×Nora du Moulin de Xavoy1 ♂