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August 11, 2025EnvironmentsOpen Access

Effect of Slurry Acidification In-House by a Dynamic Spraying System on Ammonia and Greenhouse Gas Emissions from Pig-Fattening Farms in Hot Summer Climates

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Authors

GMGema MontalvoMRM. RodríguezCPCarlos Piñeiro

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Overview

Experiment shows reduced ammonia and greenhouse gas emissions in pig farms using dynamic spraying system with organic acids.

Key Points

  • A significant reduction in ammonia emissions by 26.8% was achieved through slurry acidification with organic acids,
  • Greenhouse gas emissions were similarly lowered, with methane decreasing by 23.6% and nitrous oxide by 25.0%.
  • The method involved a dynamic spraying system that applied organic acids directly to slurry, enhancing acidification effects.
  • This indicates that innovative slurry management can help mitigate emissions in intensive animal production, especially in hot climates.

Cite This Study

Montalvo et al. (2025) studied this question.

synapsesocial.com/papers/68a360e00a429f7973329537https://doi.org/10.3390/environments12070243
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Also Consider

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  1. 1Ammonia, non-methane volatile organic compounds, and hydrogen sulphide emissions from untreated and acidified pig slurry applied to permanent grassland2026
  2. 2Hydrogen sulphide in a fattening pig barn operated with inhouse acidification2024 · 2 citations
  3. 3MITIGATING GREENHOUSE GAS EMISSIONS THROUGH CONTINUOUS ACIDIFICATION OF CATTLE SLURRY2026
  4. 4Reducing Methane, Carbon Dioxide, and Ammonia Emissions from Stored Pig Slurry Using Bacillus-Biological Additives and Aeration2024 · 9 citations
  5. 5Predicting Indoor Ammonia Concentration and House-Level Emissions via Dynamic Modelling of Slurry-to-Exhaust Transfer in a Finishing Pig House2026