What question did this study set out to answer?

This research aims to assess the heritability and genetic correlations of greenhouse gas traits in dairy cattle to inform genetic selection strategies.

May 7, 2026Journal of Dairy ScienceOpen Access

Genomic predictions for greenhouse gases traits in Holstein cows

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This research aims to assess the heritability and genetic correlations of greenhouse gas traits in dairy cattle to inform genetic selection strategies.
Evaluated 4 greenhouse gas-related traits using data from 79,040 weekly averages of gas emissions from 9,923 Holstein cows across 5 herds.
Calculated heritability estimates and examined genetic correlations between greenhouse gas traits and production traits.
Conducted validation by excluding one herd to observe statistical differences in GEBV quartile groups.
Moderate heritability estimates (0.16–0.28) were found for all methane-related traits.
Methane production and carbon dioxide production showed unfavorable positive genetic correlations with production traits.
Residual methane production demonstrated weaker associations, suggesting it can be targeted for methane reduction with less impact on productivity.

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Implication

Randomized trial evaluates greenhouse gas traits in Holstein cows, suggesting genetic selection can improve sustainability.

Cite This Study

Oliveira et al. (2026) studied this question.

synapsesocial.com/papers/69fc2b158b49bacb8b347546 https://doi.org/10.3168/jds.2025-27735

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Genomic predictions for greenhouse gases traits in Holstein cows

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Discussion

Implication

Cite This Study

Genomic predictions for greenhouse gases traits in Holstein cows

Key Points

Discussion

Implication

Cite This Study

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