Photo by Lea Kimley.

A look at reducing methane in the beef industry

By Alejandro Pittaluga, Fan Yang, James Gaffney, Mallory Embree and Alejandro Relling of the Ohio State University Animal Science Department

Greenhouse gas emissions are a major concern in the beef industry. This study entitled Effect of supplementation with ruminal probiotics on growth performance, carcass characteristics, plasma metabolites, methane emissions, and the associated rumen microbiome changes in beef cattle examined the effects of supplementation with ruminal probiotics consisting of three native ruminal microbes (NRM) for their influence on methane reduction and growth performance of beef cattle.

Eighty Angus × SimAngus-crossbred cattle were grouped by sex and weight, randomly assigned to a treatment group, control or NRM supplementation, and subsequently fed commercially relevant diets for at least 134 d with or without NRM supplementation until they reached a target finishing weight. Methane emissions and growth performance metrics were recorded at regular intervals. Cattle-fed diets with NRM had a greater average daily gain during most part of the experimental period, required fewer days to reach the finishing weight, and emitted less methane than cattle in the control treatment. Supplementing NRM can be a viable method to reduce greenhouse gas emissions while improving the performance of beef cattle-fed concentrates-based diets.

Learn more about this study here: Effect of supplementation with ruminal probiotics on growth performance, carcass characteristics, plasma metabolites, methane emissions, and the associated rumen microbiome changes in beef cattle

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One comment

  1. Why? Methane’s IR absorbance is overlapped by water vapor (humidity, clouds, etc.). Methane is something like .00017% while water vapor can be 4%. Really don’t think methane matters a bit at these low levels.

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