COIs (Coeffient of Inbreeding) of Golden Retrievers.
Details on the COI can be found at The Canine Diversity Project
This factor has been calculated for a large number of Golden Retrievers.
In October 2011, K9Data had 305,197 Golden Retrievers with an average 10 generation COI
of 9.7%. The average 10-generation for COI for 27,735 Labs was 9.5%

This study deals with a subset of that data (i.e., major AKC title holders)
12% of Goldens with major AKC titles have missing entries in their pedigrees that preclude the
calculation of 10 generation COIs. The last update was July 2011.
These links break these data
down into groups based on major
AKC and GRCA titles.

COIs for CH Goldens

COIs for UD Goldens

COIs for UDX Goldens

COIs for OTCH Goldens

COIs for RE Goldens

COIs for RAE Goldens

COIs for TDX Goldens

COIs for VST Goldens

COIs for CT Goldens

COIs for MH Goldens

COIs for All-Age Goldens

COIs for AFC Goldens
The following chart shows that FTCs have the lowest COIs on average while SDHF Goldens have the largest.




COIs for FC Goldens

COIs for AX Goldens

COIs for MX Goldens

COIs for MACH Goldens

COIs for OD Goldens

COIs for OS Goldens

COIs for ADHF Goldens

COIs for DDHF Goldens

COIs for FDHF Goldens

COIs for ODHF Goldens

COIs for SDHF Goldens

COIs for VCX Goldens
COIs for OFA Excellent Goldens
COIs for OFA Fair Goldens
Number of COIs in dataset
 15498
Mean COI
 9.4
Minimum COI
 0
  TREASURES LOOKOUT FOR THAT TREE CD RE TD AX AXJ OF WC VC CCA  5/16/2006
  TREASURE'S RAMBLING WRECK RE    5/16/2006
Maximum COI
 56.85
  CH ASTERLING LOVE EM N LEAP EM               1/21/1992    
  CH ASTERLING'S LEAPING LIZARDS                 1/21/1992    
  CH ASTERLING'S LEAPS'N BOUNDS                  1/21/1992   
Percentage of COI < 5%
 30%
Percentage of COI > 12%
 29%
Percentage of COI > 25%
 3%
Birth Date
 Before 1950
 1951-1960
 1961-1970
 1971-1980
 1981-1990
 1991-2000
 2001-2010
Mean COI
 13.4%
 12.7%
 9.2%
 7.0%
 9.0%
 10.0%
 9.9%
Number of
Goldens
 170
 472
 775
 1607
 2415
 3806
 3321
             DF        SS                MS                  F-Statistic     P-Value             RSquared
x                 1        57.5437        57.5437        8.05842        0.00471541       0.016
Error        495        3534.7        7.14081                
Total        496        3592.24