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by Koots on 28 November 2020 - 20:11
by Hundmutter on 29 November 2020 - 02:11
by duke1965 on 29 November 2020 - 02:11
so if it happens because of lack of other options its a whole different thing than someone intentionally linebreeding on a dog heavily ,, and furhermore, if you have a dog in a pedigree somewhere multiple times, doesnot mean you are "geneticly" linebreeding to him,
most linebred dogs only look a bit (looks and caracter) like the dog linebred on, and then a bunch look nothing like the one linebred on, as its not a paper furmula that works wonders all the time
by Das Holz on 29 November 2020 - 06:11
by K9HAUS on 29 November 2020 - 08:11
Can I ask if this particular (A) dog is 12 times within 5 generations
And his coefficient is 1.8 %
And (A) is known to have let's say hip and elbows that did not score well.
And he also had faulty ear.
Does this mean that out of 100 pups he Sired
18 of these pups will carry those faults ?
by Das Holz on 29 November 2020 - 08:11
by Das Holz on 29 November 2020 - 08:11
by Koots on 29 November 2020 - 12:11
It is fine with me that they will limit a breeding to a 2-3 or 3-2 is fine with me dogs outside the third gen do not mean much if you are working to get what you want but you can also get what you do not want like the hidden bad stuff.
I consider linebreeding fairly ineffective unless it is within the first 3 or 4 generations, depending on the dog of course. As you have stated, closer linebreeding can bring out the bad recessive traits just as easily as the desired ones. This is where complete honesty and disclosure by breeders is important, otherwise those bad recessives will not be identified, and hence cannot be eliminated. I had a dog that was closely linebred on a Cz dog from a well-known breeder. After 50 grand-mal seizures (idiopathic epilepsy), he was relieved of his suffering. Did his close linebreeding bring out a 'hidden' recessive? Perhaps, but since there is no mention that I could find about epilepsy in his lines, it's inconclusive.
A lot of GSD breeders do not linebreed any closer than the 4th or 5th generation, which to me is not close enough to be influential in the outcome of the pups, at least if trying to reproduce characteristics of that certain dog.
by K9HAUS on 29 November 2020 - 16:11
3-2 or 2,3-4 as an example
To aim and reproduce certain traits
Just recently was looking more into certain pedigrees.
Mainly DDR lines
And noticed alot of inbreeding going on in the 7 th generation.
by Koots on 29 November 2020 - 20:11
If you do a 'search forums' for 'backmassing' you will see a few threads that discuss what you are referring to. Some pedigrees have so much repetition of certain dogs in the 5th, 6th, 7th generations that it can lead to problems, especially with 'hidden' recessive unwanted traits.
I am in favour of linebreeding especially when used to establish a breeding program and set certain type/traits. In fact, when I look at a person's/kennel's breeding program, I like to see a plan utilizing linebreeding and not just repeated outcrossing. When to use each is also critical, IMO. Of course, this is all in addition to looking at the characteristics of the 'dogs in front' and their genetic strengths, etc.
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