May 4, 2011 Estimating forage intake by free-grazing livestock is difficult and expensive. AFSRC scientists developed an acoustic recording and analysis system that automatically detects, classifies, and quantifies ingestive events in free-grazing beef cattle. The system uses a microphone close to the animal’s mouth, mathematical signal analysis to detect and measure ingestive events, and streaming data analysis. Links to a movie and sound file are available at the AFSRC presentations page.

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