Inbreeding Coefficients - Page 1

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VonNiels

by VonNiels on 06 January 2017 - 18:01

I am curious what others believe is an appropriate percentage for inbreeding/line breeding. Where do you breeders draw the line? What issues have you noted with high coefficients?

darylehret

by darylehret on 14 January 2017 - 17:01

I've produced a few father/daughter (1-2) inbreedings, 25.78% Wright's, 19.73% Hardiman's, two different daughters. One of the offspring has in turn sired his own litter with an aunt (2,3-2 inbreeding, 12.89%W, 16.60%H) producing my X-litter.
http://www.pedigreedatabase.com/german_shepherd_dog/dog.html?id=2589642-xena-von-ehret

There is no single correct answer to your question. Results completely depend on the genetics of the EXACT dogs mated and their ancestors. The groundwork for my breeding ventures was laid by generations of dogs, and dozens of breeders worldwide who have tested the tides by linebreeding closely on examples such as Yoschy, Nick H., Cordon An-Sat. Such accumulated efforts to reduce genetic variation has in turn helped me to eliminate a lot of guesswork in my breeding.

Having said that, in my point of view, inbreeding coefficients are completely meaningless numbers you might as well just toss out of your thoughts.

by beetree on 15 January 2017 - 00:01

Well, what is the lesson? That unless one knows, intimately, with hands on knowledge and careful record keeping from decades of breeding the wanted genetic traits in certain lines... and otherwise, the coeffients are only numbers in a game of 52 Pick Up.

by Gustav on 15 January 2017 - 12:01

Darlye and Beetree are correct. There is no correct number. It is FIRST necessary to have indepth knowledge on a majority or high percent of dogs in pedigree before you can even start to apply any type of IC as a tool.





 


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