Line - breeding explanation

 pedigree for   " litter vom  bla bla bla"   "Four Four" on such and such dog.

 

50% sire (1st)

 

25% sire's sire(2nd)

12.5% (3rd)

6.25%
6.25%
                    12.5%        6.25%
6.25%     (4th)

25% sire's dam

12.5%  6.25%
6.25%
12.5% 6.25%
6.25%

50% dam

  25% dam's sire 12.5%
  6.25%
6.25%
12.5% 6.25%
6.25%   (4th)
25% dam's dam    12.5% 6.25%
6.25%
12.5% 6.25%
  6.25%

Ok, above is a FOUR, FOUR line-breeding on a certain dog.  See how far that has gone ?  If you added up those 2 percentages, that makes only 12.5% total of those genetics that pup may carry.   Quite often you'll see in the 4th generations, a doubling up of the same dog.  Ie: 4,4- 4 is what means,  4,4 is on the Sire's side, and the -4 means that same dog shows up on the Dam's side once.   At that point add another 6.25% to it to make 19%.  Without that being a guarantee, of course...   I mean, one must take into consideration what the dogs in the 50% column look like (sire and dam)  Do they share the traits at all?  bone structure, character, color, temperament, working ability?


 

 pedigree for   " litter vom  etc "     "Three Three" on such and such dog.

 

50% sire

1st generation

25% sire's sire

2nd generation

12.5% GG sire

3rd generation

6.25%
6.25%
                   12.5% GG  dam 6.25%
6.25%

<25% sire's dam

12.5%   GG sire

<*brother  to his daugther

 6.25%
6.25%
12.5%    GGdam 6.25%
6.25%

50% dam

 

 

  <25% dam's sire (son) 12.5% GG sire
  6.25%
6.25%
12.5% GG dam

<*sister to her son

6.25%
6.25%
25% dam's dam 12.5% GG sire 6.25%
6.25%
12.5% GG dam 6.25%
  6.25%

With a Three, Three line-breeding you have the chance of pulling in 25% of that dog's genetics you are line-breeding on.   With some luck of the draw. 

However, 

Three Three's are great because they can come over the Dam's and the Sire's sides.  In genetics it 'seems' that the Dam passes her genes over her sons  to her grand daughters and the  Sire passes his genes on over his daughters to her sons.  I have highlighted the boxes above to color code it for easier understanding.  In the above pedigree if the desired line breeding is on a female, then  where you want that female to be in the pedigree is on the Dam's Side (pink side of the pedigree). and you would want her full litter BROTHER to be on the Sire's side, which then delivers the full impact of that dogs' genetic coding to the litter.  This type of breeding is rare and very difficult to accomplish.  Needless to say.    Its still a three three if you have the same Great Grand Dam or the same Great Grand Sire on each side of the pedigree or even one side of the pedigree.  

 


 

 pedigree for   " litter vom  bla bla bla"     "Two, Three" on such and such dog.

 

50% sire

 

25% sire's sire

12.5%

6.25%
6.25%
                    12.5%        6.25%
6.25%

25% sire's dam

12.5%  6.25%
6.25%
12.5% 6.25%
6.25%

50% dam

  25% dam's sire 12.5%
  6.25%
6.25%
12.5% 6.25%
6.25%
25% dam's dam    12.5% 6.25%
6.25%
12.5% 6.25%
  6.25%

Here a TWO, THREE line-breeding table wherein you pull in 37.5%  of the genetics of said dog.  Plus again IF that dog shows up in the futher generations then add that to the genetic mix. 


 pedigree for   " litter vom  bla bla bla"       "Two, Two"         on such and such dog.

 

50% sire

 

25% sire's sire

12.5%

6.25%
6.25%
                    12.5%        6.25%
6.25%

25% sire's dam

12.5%  6.25%
6.25%
12.5% 6.25%
6.25%

50% dam

  25% dam's sire 12.5%
  6.25%
6.25%
12.5% 6.25%
6.25%
25% dam's dam    12.5% 6.25%
6.25%
12.5% 6.25%
  6.25%

And the TWO, TWO line-breeding on said dog.   Making that 50% of the genetics.   I don't advocate doing this but once on the same dog, then take the 2,2 line-bred dog and OUTCROSS it to a dog of the type you seek to duplicate, but not genetically connected to that dog. 


back to vom Kerschberger German Shepherds


 

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