Economic evaluation of ammonia treatment shows reduced emissions and fertilizer recovery in pig production, suggesting environmental benefits.
The document evaluates the economic performance and environmental benefits of an ammonia air treatment system installed in pig housing, which recovers nitrogen as ammonium sulfate fertilizer and reduces ammonia emissions by 54%. It estimates the treatment cost at 0.15–0.17 €/kg live weight, impacting meat sales value by 7.3%, and outlines installation costs for new and retrofitted barns.
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Centro Ricerche Produzioni Animali (2025) studied this question.
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