Michael Castle standing next to a tower of tumbleweeds hiding his fence.

April 9, 2025

Operation Enduring Tumble(weed)

By Michael Castle, Castle Bison Company Originally published in January 2025 RMBA Newsletter My wife Tiffany and I own the Castle Bison Company in Carr, Colorado. Along with running things here at CBCo., I am also the president of the U.S. Tumbleweed Ranchers Association (TWRA). I was asked to share a little bit about Operation […]

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Center of Excellence Bison Studies at SDSDU logo

February 25, 2025

New Bison Resources

By Jeff M. Martin, Jameson Brennan, and Kristi Cammack  Originally published in RMBA’s January 2025 newsletter. The SDSU Center of Excellence for Bison Studies (BisonCOE) has been busy creating resources for bison producers. They are always freely available on our website: www.sdstate.edu/BisonCOE. There, you will find on the right-hand side links to resources and to Extension materials.  In particular, a new bison management […]

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