United States

American flag with 13 red and white stripes and 50 white stars on a blue canton.
Logo of Backbone Ranch, a Texas-based cattle operation focused on sustainable genetics, regenerative grazing, and fertility-driven herd sires.
Hays Boyd, owner of Backbone Ranch in Texas, exemplifying leadership in fertility-first, sustainable cattle genetics and regenerative grazing operations.

Murray Grey

Era, Texas

Learn More
South Poll Breed Association logo — representing a breed dedicated to low-input, heat-tolerant cattle genetics with emphasis on fertility, structural soundness, and sustainable beef production.

Bent Tree Farms

South Poll

Fort Payne, AL

Learn More
Casey Beefmasters logo — symbolizing a legacy beef operation focused on fertility-first, low-input Beefmaster genetics and sustainable cattle breeding.
Watt Casey Jr., legacy Texas cattleman and breeder of low-input, fertility-driven Beefmaster genetics.

Beefmaster

Albany, Texas

Learn More
Counter Culture Farms logo — representing a regenerative beef operation owned by Austin Dillon and promoting fertility-first, low-input cattle genetics in sustainable beef production.
Austin Dillon, owner of Counter Culture Farms, pictured on-site supporting regenerative beef production and fertility-first, low-input cattle genetics.

Mashona and Hereford

Nacogdoches, Texas

Learn More
Diamond D Angus logo — representing a breeder of Bos Sires, focused on fertility-first, low-input Angus cattle genetics for sustainable beef production.
Mark DeBoo and his wife, owners of Diamond D Angus and proud breeders in Bos Sires, dedicated to fertility-first, low-input Angus genetics for sustainable beef production.

Black Angus

Valier, Montana

Learn More
Scott Fredrickson and his family, Aubrac cattle breeders with Bos Sires, committed to low-input, fertility-driven genetics and sustainable beef production.

Fredrickson Ranch

Aubrac

Hot Springs, Montana

Learn More

Grand Bar Ranch, LLC

Brahman

San Antonio, Florida

Learn More

HTTL Livestock

Hereford

Austin, Nevada

Learn More
Kallion Farms logo — representing a Brahman cattle operation committed to fertility-first, low-input genetics and sustainable beef production.
Grant, Nicole, Tristan, and Blaire Vassberg, owners of Kallion Farms — focused on fertility-first, low-input Brahman cattle genetics for sustainable beef production.

Normangee, Texas

Brahman

Learn More
Kempfer Cattle Company logo — representing a Brahman breeding operation focused on fertility-first, low-input genetics and sustainable cattle systems.
George and Henry Kempfer with their father—representing Kempfer Cattle Company’s commitment to Brahman cattle selected for fertility, low-input adaptability, and structural soundness.

Brahman

Saint Cloud, Florida

Learn More

Hereford & Red Angus

Valentine, Nebraska

Learn More

Klotz Farms

Brahman

Sealy, Texas

Learn More
Logo for Meitler Cattle Co. located in Lucas, Kansas.
Darris and Clint Meitler with their families — dedicated cattle producers focused on fertility‑first genetics and sustainable, low‑input beef production through the Meitler Cattle Company.

Lucas, Kansas

Hereford and Angus

Learn More
Logo of Ohlde Cattle Company Angus genetics fromknown for producing generations of low-input, forage-efficient bulls.
Masculine, hormonally balanced Angus bull from Ohlde breeding—showing Bonsma traits and real fertility under low-input management.

Palmer, Kansas

Angus

Learn More
Robbins Ranch logo — Mashona cattle breeder within Bos Sires network, known for maternal strength and fertility‑focused genetics.
RR 17, a Robbins Ranch Mashona bull, selected for high maternal fertility, efficient grazing, and adaptability in low-input systems.

Mena, Arkansas

Mashona

Coming Soon
Totten Angus Ranch logo — a trusted Angus operation aligned with Bos Sires’ mission of sustainability, fertility-first genetics, and low-input management.
Charles and Courtney Totten, owners of Totten Angus Ranch—leaders in fertility-first Angus breeding and sustainable beef genetics.

Black Angus

Chamberlain, SD

Learn More
Logo of the University of Florida with black and orange text.
Brahman bull, horse, and dairy cow together at University of Florida research facility—showcasing integrated livestock genetics and sustainable production systems.

Brahman

Gainesville, Florida

Learn More
South Poll logo featuring a stylized globe with a large maroon 'S' and 'P' intertwined, and gold and maroon text reading 'South Poll' and 'The Southern Mama Cow Breed'.

Voss Land & Cattle

South Poll

Linn, Missouri

Coming Soon

Angus

Faith, South Dakota

Learn More
Return to Active Breeders