Understanding breeding practices using k9data.com - Page 2 - Golden Retrievers : Golden Retriever Dog Forums
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post #11 of 13 (permalink) Old 10-03-2013, 12:55 PM
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Attached is the genetic influence table for my litter born 5/11/2013.

I had a program that would calculate this for me, and I had entered thousands of dogs but unfortunately I lost access to it when my computer crashed It was called Man's Best Friend but I don't even know if it is still around. There are other programs that will do the same thing but of course you have to enter all the dogs yourself first. I tried downloading information from a public database but it was a mess and had a lot of errors.

Now, I have them done by a fellow breeder, Linda Bell, of Sorrento Goldens in Oregon (full disclosure-she has a girl from this litter)

The percentage on the left by the dogs name is how much the dog contributed in terms of genetic influence (theoretically speaking). So, typically the parents will each contribute 50%, grandparents 25%, etc. In linebred and inbred dogs, these numbers will be greater. The numbers in parentheses show on which side of the pedigree the dog appears, how many times in which generation. You can kind of see all of the line and in breeding that went on in the 70's and even early 80's when you look at how many times certain dogs appear.

Sammy has been dead for over 30 years but he (and Sunset's Happy Duke) have more genetic influence than the grandparents of the puppies Not thrilling to me, but hard (not impossible) to get away from this influence. Other pedigrees see the same thing with Charlie.

It also lists the COI for 18 generations, not the more typical 10 and 12.
Attached Files
File Type: pdf Pups Romey and Ford.pdf (39.9 KB, 149 views)

Tahnee Golden Retrievers

Last edited by Tahnee GR; 10-03-2013 at 01:07 PM.
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post #12 of 13 (permalink) Old 10-03-2013, 01:29 PM
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And Linda's (Tahnee Golden Retrievers) attached genetic influence table is exactly the reason I leave the breeding up to the experts.

My Sweet Boy Duncan - Miss You SO Much
5/23/2006 - 12/10/2010
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post #13 of 13 (permalink) Old 10-22-2013, 06:04 PM
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I too find the GI table more useful than raw COI or just looking at number of times a dog appears. Some dogs I am fine with seeing 4 times in five generations. Others I do not want to see more than once. The issues that the dog carries, and how prevalent they seem to be in offspring, plus the DNA tools we now have for some of those issues are going to have an influence on how much of a certain dog I will be willing to accept...

"Breeze" HR Trowsnest Sterre Autumn Breeze Can. SH WCX, Am. MH CCA
"Winter" Can/UKC Ch. Amberwood Winter Wonderland Can. SH WCX CD VCI, Am. SH CD WCX CCA VC, 2007 GRCC Nan Gordon Trophy
"Butch" Sterre Badlands Outlaw JH WC I(Ch ptd)/Am JH 2013 Nan Gordon Trophy
"Bonnie" Sterre Texas Bluebonnet JH WCI, Am JH
"Wings" Sterre Widgeon on the Wing
"Chrissy" Halfmoon Embellishment (Cavalier)
"Juniper" Amberwood Northern Exposure CD RNCL (Apr15/02-Feb12/13)
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