Ancestor calculations 8 Generations

Understanding these calculations can be intricate, but we're here to help you understnad it.

Pedigree analysis relies on the database information and is only as accurate as the data available. Incomplete generations, where ancestors are unknown, are highlighted in red. To improve accuracy, missing dogs need to be added. If too many dogs are missing, the COI (Coefficient of Inbreeding) can be shown as 0.000%.


Ancestor Loss, Maximum Ancestors, Actual Ancestors:

The maximum potential number of ancestors in a pedigree can be calculated using the formula 2^(number of generations + 1) - 2. Ancestor loss is figured by comparing this maximum with the actual number of different ancestors. For example, in a four-generation pedigree with 30 dogs, if there are 30 unique dogs, there's no ancestor loss. But if there are only 26 unique dogs, indicating some inbreeding, the ancestor loss would be 13.3%.


Percentage of Genetic Contribution:

This estimates how much each ancestor contributes to the pedigree's genetics. Sire and dam each contribute 50%, grandsires and granddams 25%, great-grandparents 12.5%, and so on. Whenever an ancestor appears in the pedigree, their percentage values are added together. For instance, a dog in the grandparent generation contributes 25%, and if it also appears in the great-grandparent generation (12.5%), its total genetic contribution would be 37.5%.


Calculations for:
GUUS - AUGERE EL BULL LES JOLIS MINOIS


Coefficient of Inbreeding (COI):

Analysis Summary # of dogs Gen 1 Gen 2 Gen 3 Gen 4 Gen 5 Gen 6 Gen 7 Gen 8
Ancestors in 8 generations 39 2 2 4 2 2 3 6 8
Max. ancestor count 510 2 4 8 16 32 64 128 256
Ancestor loss 471 0 0 0 0 0 0 0 0
Ancestor loss % 92.4% 0 0 0 0 0 0 0 0
Ancestors Genetic Contribution % # of appearances 1 2 3 4 5 6 7 8
FREDERIC DU SOURIRE DOUX 50.00% 1 1 0 0 0 0 0 0 0
50.00% 1 1 0 0 0 0 0 0 0
ZJEF DU SOURIRE DOUX 25.00% 1 0 1 0 0 0 0 0 0
BELINDA DU SOURIRE DOUX 25.00% 1 0 1 0 0 0 0 0 0
12.50% 1 0 0 1 0 0 0 0 0
UBALOU DU SOURIRE DOUX 12.50% 1 0 0 1 0 0 0 0 0
12.50% 1 0 0 1 0 0 0 0 0
12.50% 1 0 0 1 0 0 0 0 0
6.25% 1 0 0 0 1 0 0 0 0
UNIQUE DU SOURIRE DOUX 6.25% 1 0 0 0 1 0 0 0 0
SAMUEL DU SOURIRE DOUX 3.13% 1 0 0 0 0 1 0 0 0
MERCEDES DU SOURIRE DOUX 3.13% 1 0 0 0 0 1 0 0 0
1.56% 1 0 0 0 0 0 1 0 0
HELENE DU SOURIRE DOUX 1.56% 1 0 0 0 0 0 1 0 0
ODILO VON DER GRIMMELSBURG 1.56% 1 0 0 0 0 0 1 0 0
0.78% 1 0 0 0 0 0 0 1 0
ADELAIDE DU SOURIRE DOUX 0.78% 1 0 0 0 0 0 0 1 0
ALEXANDER DU SOURIRE DOUX 0.78% 1 0 0 0 0 0 0 1 0
BARRY-BLANC DE LA PARURE 0.78% 2 0 0 0 0 0 0 0 2
URSELA DE LA PARURE 0.78% 2 0 0 0 0 0 0 0 2
ILUSION DE LA PARURE 0.78% 1 0 0 0 0 0 0 1 0
QUINCY VON DER GRIMMELSBURG 0.78% 1 0 0 0 0 0 0 1 0
PETITE ROULETTE DE LA PARURE 0.78% 1 0 0 0 0 0 0 1 0
0.39% 1 0 0 0 0 0 0 0 1
0.39% 1 0 0 0 0 0 0 0 1
ZENO VON DER GRIMMELSBURG 0.39% 1 0 0 0 0 0 0 0 1
JEANIE VON DER GRIMMELSBURG 0.39% 1 0 0 0 0 0 0 0 1
HEUREUX HENRI DE LA PARURE 0.39% 1 0 0 0 0 0 0 0 1
0.39% 1 0 0 0 0 0 0 0 1