Building Wagyu Excellence with Elite Cattle Seedstock
Black Jack Ranch is making a name for itself as one of the country’s rising leaders in elite Wagyu breeding – and we’re just getting started. Our seedstock program is built for ranchers, seedstock buyers, and industry insiders who value world-class genetics, proven performance, and a program designed for the long haul.
Using advanced genetic selection tools from the American and Australian Wagyu Associations, we carefully match cows and bulls to enhance growth, fertility, feed efficiency, and marbling in every calf. Every pairing is backed by measurable data (not guesswork!) to produce healthier animals and premium-quality beef.
When you invest in Black Jack Ranch genetics, you’re joining a program committed to raising better animals, producing better beef, and building a stronger future for the Wagyu breed.
Featured Cattle:
We’re proud to own two of the highest-ranked Wagyu females in the world, S Yuriko 412M and Boni 413M, along with our standout herd sire, LMR Samauri 1749J, known for producing calves with exceptional carcass quality, growth, and long-term breeding value.
S Yuriko
Combining top-tier performance with Rare pedigree, she is the ranking #2 F1TI female globally, and site in the top 1% for marbling, muscling, and retail yield.
Boni 413M
Unmatched in the breed, she holds the #1 Marbling Score in the world, and pairs extreme marbling with elite muscling.
See our featured lots in the Wagyu Super!
We’re excited to be taking part in The Wagyu Super in Nashville, TN on October 9, 2027, joining breeders from across the country for one of the premier events in the Wagyu industry.
Among Black Jack Ranch’s featured offerings is Luck Be A Lady X052, an elite young female backed by a standout pedigree and exceptional performance data. She currently ties for the highest Marble Score potential among heifers in the world herd and ranks at the top for the combination of Marble Score and Eye Muscle Area. X052 isn’t just bred to compete at the top of the breed — her numbers say she’s already there!
Want access to our elite genetics for your own herd improvement?
Contact us for information about embryo and semen sales, breeding stock, and progeny data. We’re certified to ship semen in the United States, Canada, Australia & Costa Rica, available in conventional and female sexed options.