I think oconee is right about breeding science being able to produce good dogs consistently, but historically this works best with large numbers of dogs, when the Germans refined their dog breeds they had kennels with over a thousand dogs at times, when you're breeding the best to the best out of a thousand dogs you can refine the gene pool much faster than if you are breeding best to best of 30 dogs, when its 30 dogs it's much more of a crap shoot like judge says, even if you are working with line bred dogs. A lot of our hunting breeds in the U.S. Have way more diversity in the gene pool than German bred dogs, some of the books I've seen that promote inbreeding and line breeding without outcrossing don't take into account the breeding history of the dog breed. It's a shame the American hunting dog breeders from a generation or two ago didn't write more books, im always curious about stories of dog sub breeds kept in one family for generations that have not experienced inbreeding depression. Some of the stories of Florida or cracker curs come to mind
Id like to see Cajun chime in and tell us what percentage of his litters make sure nuff hog dogs, not to put him on the spot but because he's a reputable breeder working with a consistent line of dogs with a German history, Mtn curs and cats I believe have exponentially more genetic diversity just judging by their color variations, maybe bmcs less so because they have been bred for color
Breeding a high percentage of quality dogs from a small family of dogs is probably harder than you think or more people would be doing it
Creating your own breed seems like an exhausting amount of work, I'm sure during the creation of some of the newer breeds like the Dogo they had hundreds of dogs at times or culled through hundreds in a year. Once your gene pool has been refined to produce mostly what your looking for you could reduce your numbers down to 15-30 but the less dogs you have the more likely you are to wind up in a corner and have to outcross
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some of my Ideas were influenced from some of the Germans way of breeding better dogs...just put my twist on those ideas...
in Germany, there was a warden that was in charge of a section somewhat like a county...this warden would come around and cull down to 8 new born pups within a certain breed...then he came at a later date and culled down to 6 pups because the thinking was that a female can only feed and raise 6 pups properly...so part of the explanation as to why the dogs looked so much alike from an area had a lot to do with the taste of the Warden...
The pups would be tested and graded thoughout their upbringing... and they had to qualify to receive a certain certificate that would allow them to be bred...so all the dogs were outstanding dogs that were bred back then because of the expectations...that is why they had some of the best bred dogs around...
here in the USA there have been a few registries that have followed suit but don't know how strict they are...and other dog sites reward only those that win state and world championships...
