4 animals · Brangus, Red Brangus, Brangus (1st Generation 3/8 Brahman x 5/8 Angus) · Chappell Hill, Texas

Chappell Hill, Texas. Over 500 registered Brangus, Red Brangus, Red Angus and Angus head developed on Tifton 85 bermudagrass, without grain. Breeding Brangus since 1967.
All bulls developed on Tifton 85 bermudagrass without grain supplementation in the pasture.
Selection under hot, humid Gulf Coast conditions filters for high fertility and low-maintenance cattle.
More than 43 years of ultrasound (IMF and REA) and 23 years of DNA profiling stand behind every sale bull.
Cataloged lots for the October 24, 2026 on-ranch sale.
The foundational benchmark sire behind the OCF herd.
Oak Creek Farms was established in 1967 by John and Carolyn Kopycinski in Chappell Hill, Texas, along the Brazos River corridor, where the Kopycinski family has ranched in Austin and Washington counties for more than 100 years.
Today the ranch is managed by John and Carolyn alongside their daughter Christi Kopycinski Strock, her husband Matt Strock, and their sons John, Robert and Will, maintaining more than 500 head of registered Brangus, Red Brangus, Red Angus and Angus cattle.
Every bull is developed on a 100% forage diet of Tifton 85 bermudagrass with no grain supplementation in the pasture, an environment that filters for high-fertility, low-maintenance cattle suited to hot, humid Gulf Coast conditions. The program has used ultrasound to measure intramuscular fat and ribeye area for more than 43 years, and DNA profiling for tenderness, marbling and parentage for more than 23 years.




John and Carolyn Kopycinski establish the registered Brangus operation in Chappell Hill, Texas.
The Kopycinski family has ranched in Austin and Washington counties along the Brazos River for more than a century.
Christi Kopycinski Strock and Matt Strock, with their sons John, Robert and Will, manage the herd of 500+ registered head alongside John and Carolyn.
50 coming two-year-old forage-tested bulls plus source-verified commercial females sell at the ranch sale facility.