624's sire is 50% genetically identical to the great Yasufuku J930 but with poor motility (progeny only via IVF), so as of 2019 there were only 8 full-blood bulls sired by 146 in the herdbook. With Kitaguni Jr, Michifuku and Fukutsuru 068 on the bottom, a marbling powerhouse carrying rare 146 blood in a carrier-free package.
Japanese Black
CHR Kikutsuru Doi 624A
FB17077 · Tattoo 624A
Uber-rare son of TF Kikutsuru Doi 146, the only line-bred Yasutani Doi bull outside Japan.

Carrier
Carrier Free
Born
2013-08-28
Bloodline · TF Kikutsuru Doi 146 (line-bred Yasutani Doi) blood; ~8 FB bulls by 146 in herdbook as of 2019.
Pedigree
Three generations
CHR Kikutsuru Doi 624A
TF Kikutsurudoi
Tanifuku-Doi
Yasutsuru 509605
Yasutani Doi
Kikutsuru 978542
Yasutani Doi
World K's Kitaguni Jr.
CHR MS Kitaguni 394
CHR Kitaguni 07K
CHR MS Fukutsuru 199R
CHR MS Michifuku 030H
Japanese Cow
MJB Musashi 03K
CHR MS Kikushige 012
Registrations verifiable through the American & Australian Wagyu registries.