OPU – Barneveld, Wisconsin

Gaffney Family Cattle 4888 County Road HH, Barneveld

OPU Manager: Val Gaffney (608) 574-6125


OPU – Mitchell, South Dakota

Rock Creek Embryonics 40281 260th Street, Mitchell

OPU Manager: Helen Geppert (605)770-8581 Kevin Geppert (605)770-3544 Weston Geppert (605) 933-1387


OPU-Carlton, Kansas

Bluestem Embryo Transfer Center 735 900 Ave., Carlton

Office manager: Stephanie Gfeller Office number: 785-949-2007 Registration due the Friday prior to the OPU event. Email betc.2007@tctelco.net


OPU- Clarksville, Tennessee

CB Genetics - Clarksville, TN 161 E Hawkins Lane, Clarksville

OPU Manager: Charlie Adkins


OPU-Hermiston, Oregon

GT Land and Cattle 35787 E Walls Road, Hermiston

Powered by Vytelle OPU hosted at GT Land and Cattle RSVP for more information or to sign up donors.