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:
BUSHAWAY LUCKY LUCIANO LEFOX


Coefficient of Inbreeding (COI):
10.156%

Analysis Summary # of dogs Gen 1 Gen 2 Gen 3 Gen 4 Gen 5 Gen 6 Gen 7 Gen 8
Ancestors in 8 generations 62 2 4 5 8 10 12 11 15
Max. ancestor count 510 2 4 8 16 32 64 128 256
Ancestor loss 448 0 0 0 0 0 0 0 0
Ancestor loss % 87.8% 0 0 0 0 0 0 0 0
Ancestors Genetic Contribution % # of appearances 1 2 3 4 5 6 7 8
TWENTIETH CENTURY LEFOX 50.00% 1 1 0 0 0 0 0 0 0
LEFOX GENTLEMAN PREFER BLONDS 50.00% 1 1 0 0 0 0 0 0 0
LEFOX BREATHLESS MAHONEY 37.50% 2 0 1 1 0 0 0 0 0
MAE WEST DE LEFOX 31.25% 3 0 0 2 1 0 0 0 0
LEFOX BUD CONNE 25.00% 1 0 1 0 0 0 0 0 0
LEFOX I LUV LUCI 25.00% 1 0 1 0 0 0 0 0 0
25.00% 1 0 1 0 0 0 0 0 0
COX'S GOODTIME CHARLIE BROWN 18.75% 2 0 0 1 1 0 0 0 0
15.63% 3 0 0 0 2 1 0 0 0
LEFOX JEAN HARLOW 15.63% 3 0 0 0 2 1 0 0 0
COX'S GOODTIME BIT O'GOLD 12.50% 1 0 0 1 0 0 0 0 0
COX'S GOOD TIME ACE IN THE HOLE 12.50% 3 0 0 0 1 2 0 0 0
12.50% 1 0 0 1 0 0 0 0 0
9.38% 4 0 0 0 0 2 2 0 0
COX'S GOOD TIME DORENE 9.38% 4 0 0 0 0 2 2 0 0
COX'S GOODTIME MINDY LOU OFKN'D 9.38% 2 0 0 0 1 1 0 0 0
LEFOX PANACH 7.81% 3 0 0 0 0 2 1 0 0
7.81% 3 0 0 0 0 2 1 0 0
COX'S GOOD TIME DANDY ANDY 6.25% 1 0 0 0 1 0 0 0 0
COX'S GOODTIME MEAGAN OF ACE 6.25% 1 0 0 0 1 0 0 0 0
FAIRMONTS HEART TO BEAT 5.47% 5 0 0 0 0 0 2 3 0
4.69% 4 0 0 0 0 0 2 2 0
4.69% 2 0 0 0 0 1 1 0 0
4.69% 2 0 0 0 0 1 1 0 0
3.91% 3 0 0 0 0 0 2 1 0
ADAMS' PRIDE N JOIE DE LEFOX 3.91% 3 0 0 0 0 0 2 1 0
JIMMY LEE'S SPARKLE 3.52% 7 0 0 0 0 0 0 2 5
JIMMY LEE'S BANDOLERO OF ONO 2.73% 5 0 0 0 0 0 0 2 3
1.95% 3 0 0 0 0 0 0 2 1
TERRETTE'S JOIE DE NOEL 1.95% 3 0 0 0 0 0 0 2 1
COX'S GOOD TIME SANDMAN 1.56% 1 0 0 0 0 0 1 0 0
COX'S GOOD TIME PETITE MIMI 1.56% 1 0 0 0 0 0 1 0 0
JIMMY LEE'S FLIP 0.78% 2 0 0 0 0 0 0 0 2
HAMPTON'S CHEVALIER 0.78% 2 0 0 0 0 0 0 0 2
0.78% 2 0 0 0 0 0 0 0 2
COX'S GOOD TIME CHRISTMAS EVE 0.78% 1 0 0 0 0 0 0 1 0
BURLINGTON BERTI OF BORISTI 0.78% 1 0 0 0 0 0 0 1 0
WINDMARKS POLKA DOT ANNIE 0.78% 1 0 0 0 0 0 0 1 0
TERRETTE'S LORD SIMON DBOUTON 0.78% 2 0 0 0 0 0 0 0 2
TERRETTE'S GILL DE LABERIEUS 0.78% 2 0 0 0 0 0 0 0 2
LAFOREST'S JOLLY SANDMAN 0.39% 1 0 0 0 0 0 0 0 1
COX'S PETITE BABETTE 0.39% 1 0 0 0 0 0 0 0 1
BENHOOKS JONATHAN OF FLITCHSTAR 0.39% 1 0 0 0 0 0 0 0 1
BITTER SWEET OF BORISTI 0.39% 1 0 0 0 0 0 0 0 1
TOMMYVILLE TINTORETTO 0.39% 1 0 0 0 0 0 0 0 1
0.39% 1 0 0 0 0 0 0 0 1