In this episode of The Dairy Nutrition Blackbelt Podcast, Dr. Mutian Niu, Assistant Professor at ETH Zurich, explains exhalomics, an approach for assessing rumen fermentation by analyzing volatile organic compounds in cattle breath. He discusses how this technique can provide valuable insights into rumen function and help improve cattle health monitoring, with potential applications in managing methane emissions and optimizing dairy production. Listen now on all major platforms!

"We’re using exhalomics to study the volatile compounds in cattle breath, which provides new insights into ruminant metabolism and health monitoring."

Meet the guest: Dr. Mutian Niu is an Assistant Professor of Animal Nutrition at ETH Zurich, Switzerland, specializing in ruminant nutrition and precision livestock farming. He holds a Master’s in Animal Science from Penn State University and a Master’s in Statistics, along with a Ph.D. in Animal Biology from the University of California, Davis. His research integrates data science to enhance sustainability in dairy farming, focusing on methane reduction and efficient nutrient utilization.

Click here to read the full research articles:

Exhalomics as a noninvasive method for assessing rumen fermentation in dairy cows: Can exhaled-breath metabolomics replace rumen sampling?

Exhaled volatile fatty acids, ruminal methane emission, and their diurnal patterns in lactating dairy cows

What will you learn:

• (00:00) Highlight
• (01:33) Introduction
• (01:28) What is exhalomics?
• (03:04) Why study exhalomics?
• (05:28) Research discoveries
• (06:55) Rumen fermentation analysis
• (09:21) Future of exhalomics
• (12:29) Closing thoughts

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