The foundation sire is Huddersfield Ben, a dog born in 1865 who became
a popular stud dog because of his prowess in the show ring and in rat - catching trials.
In the case of a «Founder», who is usually
a popular stud dog, there are four reasons to explain why such a dog will have produced a higher number of defective traits then other stud dogs who are not well known and who are used less often.
In one example, one
popular stud dog had been linebred several times and produced NO FCE pups.
Not exact matches
The
popular sire syndrome is a direct consequence of selective
dog breeding to the extreme, especially with breeders practicing grading up (where the same
dog, usually a
stud, is used over several breedings with, at each breeding, a the best partner or candidate from his own descendants).
I know that doesn't sound very
popular, but many additional Pointers are registered with the United Kennel Club or the Field
Dog Stud Book.
Most cases of
popular sire syndrome take place once a
stud has been awarded a Champion and also gave birth to one or multiple champion
dogs.
However, males with two copies ought not to be offered at public
stud due the potential for increasing the frequency of the mutation if that
dog or any of his sons should become
popular sires.
English Setters bred for the show ring and registered with the American Kennel Club are not very
popular, but English Setters bred for hunting purposes and registered with the United Kennel Club or the Field
Dog Stud Book are much more so.
The most
popular Border Collie
stud was Wiston Cap, the
dog who appears on the International Sheep Herding Badge; he is posed in the pose that is characteristic of herding Border Collies