The proven solution for methane reduction

Bovaer® contributes to a significant and immediate reduction of the environmental footprint of beef and dairy products. Just a quarter teaspoon per cow per day reduces methane emissions from dairy cattle by 30% and up to 45% for beef cattle, on average.

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Now available: A proven solution

Bovaer® is the most extensively studied and scientifically proven solution to the challenge of burped methane to date — with 100+ on-farms trials in 20+ countries and more than 70 peer-reviewed scientific studies. In every case, it has proven safe for animal, farmer and consumer. 

Bovaer® is authorized and available for sale in over 55+ countries, including the EU/EEA, Australia, Brazil, Canada, Chile, Mexico, Pakistan, Switzerland Turkey and the United Kingdom (per April 2024). 

How it works

In a cow's rumen, microbes help break down food. This releases hydrogen and carbon dioxide. An enzyme combines these gases to form methane. Bovaer® is a feed supplement that suppresses the enzyme, so less methane gets generated. Just ¼ teaspoon in a cow’s daily feed takes effect in as little as 30 minutes. As it acts, Bovaer® is safely broken down into compounds already naturally present in the rumen. 

Take a look at the Bovaer® trials and pilots around the world

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* Status per September 2023. Trials with substantial number of animals are included in this overview.

An urgent focus on methane

Bovaer® is a feed supplement that reduces enteric methane emissions, contributing to a significant and immediate reduction of the environmental footprint of meat, milk, and dairy products. On average, it reduces emissions by 30% from dairy cows and 45% from beef cattle. 

More than 100 countries have recognized methane reduction as the single most effective strategy to keep the goal of limiting global warming to 1.5 ̊C within reach. And there’s no time to lose. Rapidly reducing methane emissions can achieve near-term climate goals with additional benefits for public health and agricultural productivity. 



Estimated current savings in tons of CO2e*

By reducing methane emissions from cattle, farms using Bovaer® in their feed are making a measurable impact on climate change every day.

*The estimated savings presented on our website are calculated using various parameters, not based on actual measurements and only serve as an indicative figure. dsm-firmenich has used diligent care to ensure that the estimated savings are based on the latest available information and scientific insights, however, might fluctuate based on additional information and insights. dsm-firmenich makes no representation or warranty, either expressly or implied, of the accuracy, reliability, or completeness thereof. In no event shall dsm-firmenich be liable for any damages arising from or reliance upon, or use of, the estimated savings.

Bovaer® facts & figures


of dairy GHG emissions come from enteric methane


of consumers say they are willing to pay more for sustainable brands


on-farm trials across 15+ countries show Bovaer® is safe and effective


countries available


Bovaer® Press


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