German Shepherd Dog Forums - View Single Post - Breeding for longevity
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post #2 of (permalink) Old 01-03-2014, 05:20 PM
jocoyn
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Join Date: Jun 2003
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I read that in Merle's door but there is so much backmassing that I wonder if it really makes that big a difference?

My longest lived GSD (15) was heavily linebred on Lance of Fran Jo. My most recent 3 dogs are all outcrosses for 5-6 generations. Two died of cancer by age 9.

What is the difference between outcrossing and backmassing? - Akron German Shepherd | Examiner.com

Nancy

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