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Published March 06, 2013, 12:00 AM

On-board computer sends data from a GreenFeed system


An on-board computer sends data from a GreenFeed system at least hourly to the headquarters of C-Lock Inc., in Piedmont, S.D., north of Rapid City. The company stores and analyzes data on methane and carbon dioxide output from cattle, which can help manage health, breeding and feed issues. Photo taken Jan. 28, 2013, at Piedmont, S.D. (Forum News Service/Agweek/Mikkel Pates)
Read the article: Measuring methane