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Published March 06, 2013, 12:00 AM

GreenFeed French beef breeding

C-Lock Inc. President Pat Zimmerman (right) and his son, Tom, who purchases and selects components for the systems, inspect GreenFeed systems that will be shipped to a French beef breeding researcher. Photo taken Jan. 28, 2013, at Piedmont, S.D. (Forum News Service/Agweek/Mikkel Pates)
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