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Re: Genetic Diversity

Posted: Thu May 09, 2013 11:03 am
by imchestnut
JTG wrote:I posted this in the past on another website.

Genealogical chart shows how line-breeding and inbreeding can be used to perpetuate and concentrate desirable genes. By mating sire named Frankie to dams A, B, C and D, then mating resulting half-brothers and half-sisters, 50% of genes passed on to offspring in the next two generations are Frankie's. Thus Frankie is, in effect, the sire of generations II, III and IV. If generation III were bred directly back to Frankie, then the genes passed on to generation IV, or current offspring, would be 75% Frankie's.
CURRENT OFFSPRING
Generation IV PARENTS
Generation III GRANDPARENTS
Generation II GREAT-GRANDPARENTS
Generation I
8/16 F + 2/16 A + 2/16 B + 2/16 C + 2/16 D 8/16 F + 4/16 A + 4/16 B 8/16 F + 8/16 A Frankie
A
half-brother to half-sister
8/16 F + 8/16 B Frankie
B
8/16 F + 4/16 C + 4/16 D 8/16 F + 8/16 C Frankie
C
half-brother to half-sister
8/16 F 4- 8/16 D Frankie
D



We all realize that this isn't nearly the reality of what actually occurs genetically right?

Re: Genetic Diversity

Posted: Tue May 14, 2013 10:54 pm
by JTG
Jeff Eberle wrote:Here is Bonnie she was bred by Boone Shockly, I bought her from him at 4yrs old great Bobcat & Bear dog. Boone raised 4 females out of that Father / daughter cross all made top cat & bear dogs,

Image


Jeff, very nice looking and in very good hunting shape looking hound. With each time bred back to the father you increase your chances of reproducing his genes. So I am guessing the sire was a top hound. JTG

Re: Genetic Diversity

Posted: Tue May 14, 2013 11:35 pm
by Jeff Eberle
JTG wrote:
Jeff Eberle wrote:Here is Bonnie she was bred by Boone Shockly, I bought her from him at 4yrs old great Bobcat & Bear dog. Boone raised 4 females out of that Father / daughter cross all made top cat & bear dogs,

Image


Jeff, very nice looking and in very good hunting shape looking hound. With each time bred back to the father you increase your chances of reproducing his genes. So I am guessing the sire was a top hound. JTG


JTG, Bonnie was out of two of Boone's best dog's Tom & Lucky But that cross was only made one time.All 6 from that litter where bear / cat dogs that would catch their own game. Tell me if I'm wrong or not but I've read that you take the desired male and bred him to a daughter from each litter doing this three time, Then make a outcross with a line that has other desired traits them come back into org. line would that be right ? So how far have you taken it ?

Re: Genetic Diversity

Posted: Wed May 15, 2013 12:29 am
by JTG
Brother Jeff, I would breed the father to the best daughter as long as he is alive or at least four generations, some of the service dogs use frozen semen and continue. It's best to kept the whole litter so you know for sure on which one is the best. Breeding the father to the daughter has the same genetic load as a brother and sister cross but different and also different than mother to son.
I would never outcross. Your dog in the picture is very fast and will hunt wide?
JTG

Re: Genetic Diversity

Posted: Wed May 15, 2013 12:48 pm
by Jeff Eberle
JTG, She was a couple of notchs above avg. on speed, She was a very wide hunter with no quit in her sometimes a little to much. So how many generation have you line bred yourself and what are some of the crosses you have liked the best ?

Re: Genetic Diversity

Posted: Wed May 15, 2013 6:26 pm
by JTG
Jeff, my family has had the same line bred mixed hounds for as long as anyone can remember. They remind me of the dogs John C has on here only red and it also reminds me of how my family bred ours. Only John C family did a much better job of keeping records, based on what I have read on here. Ten years or so ago I started over and changed and started breeding Blueticks from an established line bred strain. I pick Blueticks only because I like the way they looked and I knew I could improve on what's was out there. The five red hounds I had left from our family, I took in and had them all fixed and just use them to hunt with. I like all of the breeds and cross breeds. I spent a lot of time searching for males and females to be as close to perfect as possible in every way that were related to each other and that’s was my starting point. If you start with something that's not related on both sides, most people simple will not live long enough to set a strain and produce offspring true to type.
Your dog in the picture, have you ever had trouble with her feet?
JTG