For breeders
21 fullblood Japanese Black Wagyu sires and donor females — each with documented WBV data, BFI scores, and verified global rankings. Plus four elite female-sexed pregnancies due fall 2026. Semen and live animals available nationwide. No auction required.
Headliners
The bloodlines anchoring the Carlog program. World-ranked, fully registered, and proven.
Our flagship herd sire and the one bull whose semen we offer — a direct United P0342 son carrying the foundation bloodline the Big Texas ring confirmed at $70,000. BFI +545, EMA +10.4.
A proven M6 Ranch sire carrying the commercially dominant Mayura L0010 influence. BFI +587 with a Marble Score of 3.5 — Top 5% worldwide for intramuscular fat.
A foundation donor female from the M6 Ranch Hikokura × L0010 maternal line — the same family that produced the $34,500 Miss Marble 313L at Big Texas. Marble Fineness 1.04.
The herd · 21 head
Fullblood Japanese Black Wagyu with documented Wagyu Breeding Values. Click any animal to explore its narrative, WBV data, and genetic health status. Semen and private treaty available. New to the data? Read our WBV vs EPD guide →
2026 Calf Crop · Registered
Our nine 2026-born calves, now registered with the AWA and carrying their first official Wagyu Breeding Values — three of them ranking in the top 3% of the Fullblood breed for index or marbling. Lonestar- and Q0540-sired out of the Carlog and M6 Ranch cow families; DNA all-clear. Select animals available to serious programs.
2026 Calf2026 Calf Crop
CARF26XNP · Sunnyside Q0540 × YUM 60H
The highest-indexing calf in the crop — BFI 612 in the Top 2% of the Fullblood breed, with a Top 2% eye-muscle area (12.6). A Q0540 outcross heifer that out-indexes our senior herd sires at first evaluation.
View registration & pedigree (PDF) →
2026 Calf2026 Calf Crop
CARF26X234PF · Lonestar × M6 Shigehime 234K
A Lonestar daughter out of the M6 Ranch 234K cow — BFI 576 in the Top 3% of the breed, with a Top 10% carcass weight and a strong 2.9 Marble Score. The second-highest index in the crop.
View registration & pedigree (PDF) →
2026 Calf2026 Calf Crop
CARF26X4PF · Sunnyside Q0540 × YUM 60H
A Q0540 outcross heifer with the top Marble Score of the crop — 3.7 in the Top 2% of the breed, paired with a Top 2% eye-muscle area (12.9). Elite marbling and ribeye in one package.
View registration & pedigree (PDF) →
2026 Calf2026 Calf Crop
CARF26X15MPF · Lonestar × Ito Shigenami 15MF
A Lonestar daughter out of the Carlog Ito Shigenami cow — BFI 520 in the Top 7% of the breed, with a Top 7% eye-muscle area. Homegrown genetics competing at the top of the herd.
View registration & pedigree (PDF) →
2026 Calf2026 Calf Crop
CARF26X11PF · Lonestar × Hikokura 119J
The lone bull of the group — Lonestar over the M6 Ranch Hikokura 119J donor line, carrying a 1.12 Marble Fineness and a 3.1 Marble Score at first evaluation.
View registration & pedigree (PDF) →
2026 Calf2026 Calf Crop
CARF26X329PF · Lonestar × M6 Shigehime 329L
Lonestar over an M6 Ranch L0010 cow — a Top 6% eye-muscle area (10.6) paired with Top 10% growth to 600 days.
View registration & pedigree (PDF) →
2026 Calf2026 Calf Crop
CARF26X270PF · Lonestar × M6 Shigehime 270K
Lonestar over the M6 Ranch Shigehime 270K L0010 cow — a strong upward move on its latest evaluation. CHS carrier, managed through breeding decisions.
View registration & pedigree (PDF) →
2026 Calf2026 Calf Crop
CARF26X3PF · Sunnyside Q0540 × YUM 60H
A Q0540 outcross heifer with a Top 7% eye-muscle area (10.5) — full sister to our Top 2% standouts Sunny Ayame NP and Sunny Hoshi 4PF, the third of three Sunnyside Q0540 × YUM 60H sisters.
View registration & pedigree (PDF) →
2026 Calf2026 Calf Crop
CARF26X55PF · Lonestar × Chiyotake U327L
Lonestar over the Landgraf Chiyotake line, adding outcross ribeye-and-marble balance to the crop.
View registration & pedigree (PDF) →Incoming Bloodlines · 2026
Four elite, female-sexed pregnancies secured at the Passion for Prime 2026 sale — chosen to bring fresh, high-indexing outcross blood into the herd. Each is pictured by its sire; heifers are due fall 2026.
Sire pictured · Infinity Dream Maker 5M
Passion for Prime · Lot 41
Infinity Dream Maker 5M × LMR Ms Samu 4739M
The headline cross of the group. Dream Maker's Top 1% genetics laid over an elite Samurai-sired young donor from the heart of the Lone Mountain program — out of a dam averaging 33.6% daily marbling potential. The highest projected index of the four.
Sire pictured · TBR Shogun 7704K
Passion for Prime · Lot 40
TBR Shogun 7704K × LMR Ms L10 3761L
A proven-sire pairing. TBR Shogun 7704K is a genomic powerhouse ranked among the world's Top 100 sires for BFI — bred here to a Mayura L0010 dam whose progeny average 35.3% daily marbling potential. Depth and consistency from an established foundation line.
Sire pictured · Gateway F154 Gatekeeper S0024
Passion for Prime · Lot 42
Gateway F154 Gatekeeper S0024 × LMR Ms United 4619M
Carcass merit, balanced. Sire Gatekeeper carries deep Michifuku marbling — a 3.7 marble score and 12.3 ribeye — while the dam, a half-sister to the celebrated LMR Samurai 1749J, traces to Arubial United P0342, among the most influential sires in the breed.
Sire pictured · Infinity Dream Maker 5M
Passion for Prime · Lot 39
Infinity Dream Maker 5M × LMR Ms N4431 1800J
A fresh outcross from the storied Iowa Dream line. Dream Maker is one of the rare young sires to rank Top 1% across every index; paired here to a Lone Mountain dam whose progeny average 33.4% daily marbling potential — bringing Sunnyside Q0540 blood the program didn't carry before.
Animals shown by sire. All four are female-sexed pregnancies carried by Angus recips, purchased from Lone Mountain Cattle Co. at Passion for Prime 2026. Calf photos and genomic figures will be added once heifers are on the ground.
No auction required
Semen ships nationwide; breeding stock and embryos available by private treaty. Tell us what you're after.
