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Advances in understanding methane production in the dairy cow
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27 March 2026

Methane emissions from dairy cows are a process that represents an energy loss for the animal, prompting efforts to reduce methane emissions in dairy cows. Feed additives, particularly 3-NOP and Asparagopsis taxiformis, have shown promise, reducing CH₄ production by 20-40%. However, factors such as cost, effectiveness, and potential rumen adaptation must be considered. Accurate measurement of CH₄ emissions is crucial for evaluating reduction strategies, with the GreenFeed system being a practical tool for live gas exchange measurement, thereby reducing greenhouse gas emissions and costs.
- 1 Introduction
- 2 Methane emissions in ruminants
- 3 Methanogenesis
- 4 Feed additives to reduce methane emission
- 5 Feed efficiency
- 6 Models in predicting methane emission in dairy cows
- 7 Techniques to measure methane emission
- 8 Conclusion and future trends
- 9 Where to look for further information
- 10 References