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Dr. Ron Gill Professor
& Extension Livestock Specialist Dallas
(254) 968-4144
r-gill1@tamu.edu
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Dr. Ted McCollum Professor
& Extension Beef Cattle Specialist
Amarillo
(806) 677-5600
ft-mccollum@tamu.edu
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Dr. Rick Machen Associate
Professor and Extension Livestock Specialist Uvalde
(830) 278-9151
r-machen@tamu.edu
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