I think this thread may be a little old- but I just stumbled upon it & I am fascinated. Never heard the term "tail line" until today.
So, if I understand correctly, you trace the male & female tail lines, basically by clicking the uppermost or bottom-most link in the 5-gen pedigree?
If that is the case, Jibini goes back to Amantigazig and a dog named Kindu. Tana my mill rescue goes back to a dog named Tango on the female side, and a dog named Wau on the male side. It is very interesting to look back that far….you can really see the limited gene pool and linebreeding that took place.
I'm a little confused as to how a dog "loses" a tail line, however. If you can trace any Basenji back to the point where the pedigree says "unknown native dog"....how is the line "lost"?? How can you tell just by looking at the pedigree?
I'm just another pet owner who is endlessly fascinated with this breed & its genetics....so many things about Basenjis that simply don't apply to other breeds. I love it. Thanks for any input :).