The second ancestral cluster consisted mainly of the tumblers (including rollers and highflyers), the most breed-rich of the major groups (at least 80 breeds recognized in the USA) [4 and 8].
The second ancestral cluster consisted mainly of the tumblers (including rollers and highflyers), the most breed-rich of the major groups (at least 80 breeds recognized in the USA) [4 and 8].