December 10, 2025AnimalsOpen Access

Use of Essential Oils in the Diet of Lactating Cows Enhances Productivity and Reduces Methane in Free-Grazing Commercial Dairy Farms

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Observation shows essential oils improve milk productivity and lower methane in lactating cows, suggesting benefits for dairy farms.

Milk productivity increased by 4.6 kg in cows receiving essential oils supplementation during the trial.
Methane intensity significantly reduced to 1.3 gCH4/ECM in the treated group, indicating effectiveness of the intervention.
Evaluation of enteric methane emissions used GreenFeed technology to assess environmental impact in dairy systems.
Essential oils represent a promising non-invasive intervention in commercial grassland dairy systems in southern Chile.

Burgos et al. (2025) studied this question.

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