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Old 08-22-2008, 04:36 PM   #1
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Default The Myths of Purebred Inbreeding

IMO Inbreeding in dogs is one of the most misunderstood aspects of dog breeding among those who haven't studied canine genetics. And it's so frustrating to hear the same mantra repeated over and over in those reports by those who wouldn't know how to read or understand a pedigree if it was glued to their forehead.

Inbreeding with dogs cannot in any way be equated with inbreeding in humans. 30 to 40 generations of dogs can be produced in the same amount of time 3 generations of humans can be produced. Once a breed is firmly established, Inbreeding is an occasional tool which should be used only by those with a thorough understanding of genetics.

To continuously rant and spread the myth about breeders and inbreeding without even a smidgen of knowledge or proof that the practice is truly widespread and is constantly being used indiscriminately is IMO ignorant and unconscionable.

Show me absolute proof of any recognized breed or group of breeders that continuously inbreeds generation after generation and we'll discuss that aspect of breeding. In the meanwhile, for anyone that buys into that garbage and insists on ranting about all purebreds and inbreeding all I can say is; educate yourself on the use of coefficient breeding charts first. What the uninformed consider to be inbreeding isn't inbreeding at all or even anywhere close to it.

Please, before anyone does anymore ranting about inbreeding; do your research so you understand exactly what you're ranting about and you can discuss it in an informed and intelligent manner.
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Old 08-22-2008, 05:21 PM   #2
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answering post of applesmom (252) I understand what you are saying, but that does not excuse breeding father/grandfather to daughter/granddaughter or brother to sister, that is far to close and know one will convince me otherwise.
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Old 08-22-2008, 05:33 PM   #3
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Note: this was split off from the BBC Pedigree thread.
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Old 08-22-2008, 05:35 PM   #4
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answering post of applesmom (252) I understand what you are saying, but that does not excuse breeding father/grandfather to daughter/granddaughter or brother to sister, that is far to close and know one will convince me otherwise.
Of course you have every right to your opinion and I respect that. But please explain your theory on how any breed could have been developed without inbreeding.
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Old 08-22-2008, 05:37 PM   #5
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Note: this was split off from the BBC Pedigree thread.
Thank you! Things are sorta getting lost in the shuffle over there it's grown so big.
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Old 08-22-2008, 05:40 PM   #6
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I agree with applesmom.
Actually, I think inbreeding can be more than useful sometimes. And not only to fix some valuable traits and qualities a dog has. These are just my ideas, they may be wrong, but suppose a breeder has a great dog he wishes to use extensively for breeding. If those are the plans, one first litter with a close relative assures that the dog/line does not carry any genetic disease or problem. Itís better that way, and take the chance that some pup may inherit a genetic fault, than discover it later when the dog already produced a lot of offspring, which may carry those problems latent without showing them, but spreading them nonetheless. If an inbreed litter is healthy, itís a good guarantee that the dog they come from is healthy too, and itís safe to use it. On the contrary, if the dog is hiding some genetic problems, than they will come to the surface with the inbreed litter, and youíll have to accept not to use that dog anymore for breeding. Is it true that inbreeding has to be used parsimoniously, anyway.
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Old 08-22-2008, 05:48 PM   #7
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Thank you! Things are sorta getting lost in the shuffle over there it's grown so big.
Hard to believe I could hardly get anyone interested in this topic over a year ago when I was trying to understand inbreeding coefficients!
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Old 08-22-2008, 06:25 PM   #8
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I agree with applesmom.
Actually, I think inbreeding can be more than useful sometimes. And not only to fix some valuable traits and qualities a dog has. These are just my ideas, they may be wrong, but suppose a breeder has a great dog he wishes to use extensively for breeding. If those are the plans, one first litter with a close relative assures that the dog/line does not carry any genetic disease or problem. Itís better that way, and take the chance that some pup may inherit a genetic fault, than discover it later when the dog already produced a lot of offspring, which may carry those problems latent without showing them, but spreading them nonetheless. If an inbreed litter is healthy, itís a good guarantee that the dog they come from is healthy too, and itís safe to use it. On the contrary, if the dog is hiding some genetic problems, than they will come to the surface with the inbreed litter, and youíll have to accept not to use that dog anymore for breeding. Is it true that inbreeding has to be used parsimoniously, anyway.
I'm glad to see that you've done your homework and understand that there is a use for inbreeding as a valuable tool toward preserving genetically sound purebred dogs. And that you don't buy into the myth that all breeders of purebred dogs are constantly inbreeding for the sole purpose of producing mutant dogs to win ribbons.

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Hard to believe I could hardly get anyone interested in this topic over a year ago when I was trying to understand inbreeding coefficients!
Gosh, I wonder where I was. I would normally have jumped on that like a dog on a bone.
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Old 08-22-2008, 06:46 PM   #9
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answering post of applesmom (252) I understand what you are saying, but that does not excuse breeding father/grandfather to daughter/granddaughter or brother to sister, that is far to close and know one will convince me otherwise.
And have you studied coefficient charts? Have you studied canine genetics?

I haven't either. Therefore, I'll leave it those who have to educate me. Having a closed mind on a topic such as this is very, well, closed minded!! I'd like to hear what those who HAVE studied genetics have to say.

The rest of you who haven't studied genetics, I'm not interested in a whit about your guesses and speculations. Let's hear the true science.
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Old 08-22-2008, 08:13 PM   #10
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Gosh, I wonder where I was. I would normally have jumped on that like a dog on a bone.
You were here - and you did - and I learned something from you!
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