Bos Sires Representatives – Your Local Cattle Genetics Experts — Bos Sires

Representatives

If you’re a breeder interested in joining Bos Sires, contact the representative for your country. They can provide details about our cooperative, explain the membership process, and help determine if your breeding program aligns with our mission.

Please note that representatives may not always handle distribution, as genetics access is managed separately in some regions. Reach out today to learn more about joining this groundbreaking initiative.

Coming Soon

Argentina

John Atkinson, Bos Sires representative for Australia, with his wife, showcasing leadership in sustainable cattle genetics and international breeding partnerships.

John Atkinson

Australia

Onê Makausu, Bos Sires representative of Botswana, promoting sustainable cattle genetics and low-input breeding programs in southern Africa.

Onê Makausu

Botswana

Arron Nerbas, Bos Sires representative of Canada, supporting sustainable cattle genetics and regenerative beef breeding in North America.

Arron Nerbas

Canada

Coming Soon

Colombia

Oscar Jimenez Rojas, Bos Sires representative for Costa Rica, advancing sustainable cattle genetics and low-input breeding programs in Central America.

Costa Rica

Oscar Jimenez Rojas

The Montalvan brothers, Bos Sires representatives for Honduras, promoting fertility-focused, low-input cattle genetics and regenerative breeding practices in Central America.

Corporacion Agricola y Ganadera de Honduras

Honduras

Jesse Colón

Mexico

Enrique Guerrero, Bos Sires representative for Mexico, dedicated to promoting functional fertility and sustainable cattle genetics through regenerative breeding practices.

Enrique Guerrero

Mexico

José Luis Garcia Cantillano, Bos Sires representative for Nicaragua, promoting fertile, low-input cattle genetics and sustainable breeding practices throughout Central America.

José Luis Garcia Cantillano

Nicaragua

DayZee Farms

Pakistan

Billy and Rafael Badilla, Bos Sires representatives for the Philippines, advancing low-input, fertility-based cattle genetics and regenerative breeding across Southeast Asia.

Billy & Rafael Badilla

Philippines

Rob Havard, Bos Sires representative for the U.K., promoting regenerative cattle genetics and fertility-focused breeding in pasture-based British beef systems.

Rob Havard

United Kingdom

Darris and Clint Meitler with their families, representing a multigenerational commitment to sustainable cattle breeding and fertility-driven genetics in real-world ranching environments.

Clint and Darris Meitler

United States

Grant, Nicole, and Tristan Vassberg—foundational family behind Bos Sires, dedicated to restoring fertility, sustainability, and real-world function in cattle genetics.

Grant Vassberg

United States

Chengetai Mukosera

Zimbabwe

Do your cattle have what it takes?

If your breeding program is line with our breeding philosophies. Please contact your country’s representative to learn about joining our initiative!

If your country does not have a representative, and you are interested in becoming one. Please fill out the form below!