Circular approach of greener broiler chicken production

The sustainability of agricultural production is a key issue, particularly in terms of fertilizer use, greenhouse gas emissions, and resource depletion. This study uses life cycle assessment (LCA) to compare the environmental impacts of composted and pelletized poultry manure (CPPL) and six differen...

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Main Authors: Nikolett Éva Kiss, Attila Nagy, János Tamás
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-08-01
Series:Frontiers in Built Environment
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Online Access:https://www.frontiersin.org/articles/10.3389/fbuil.2025.1646565/full
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author Nikolett Éva Kiss
Nikolett Éva Kiss
Attila Nagy
Attila Nagy
János Tamás
János Tamás
author_facet Nikolett Éva Kiss
Nikolett Éva Kiss
Attila Nagy
Attila Nagy
János Tamás
János Tamás
author_sort Nikolett Éva Kiss
collection DOAJ
description The sustainability of agricultural production is a key issue, particularly in terms of fertilizer use, greenhouse gas emissions, and resource depletion. This study uses life cycle assessment (LCA) to compare the environmental impacts of composted and pelletized poultry manure (CPPL) and six different fertilizers (ammonium nitrate (AN), calcium ammonium nitrate (CAN), urea, monoammonium phosphate (MAP), triple superphosphate (TSP), and potassium chloride (KCl)) during corn and winter wheat production, as well as their impact on broiler chicken production. The study also took into account different fertilization methods and seasonal variations (summer and winter rotation), analyzing eleven environmental impact categories, including global warming potential (GWP), acidification potential (AP), eutrophication potential (EP), abiotic resource use (abiotic depletion potential for elements (ADPe), abiotic depletion potential for fossil fuels (ADPf)), ozone layer depletion potential (ODP), photochemical oxidation potential (POP) and ecotoxicity potentials (freshwater aquatic ecotoxicity potential (FAETP), human toxicity potential (HTP), marine aquatic ecotoxicity potential (MAETP), terrestrial ecotoxicity potential (TETP)). Based on the results, GWP was 11%–14% lower for CPPL production compared to fertilizers, while ADPf was 14%–56% lower. At the same time, AP was significantly higher for CPPL, mainly due to ammonia emissions. In crop production (corn, winter wheat), CPPL-based nutrient replenishment resulted in 11%–34% lower GWP and 14%–56% lower ADPf in most environmental scenarios compared to fertilizer treatments. In toxic impact categories (e.g., FAETP, MAETP), reductions of 3%–15% were observed. However, AP values were 2.6%–6.8% higher, and EP could be up to twice as high as for fertilizer treatments. In broiler chicken farming, when feed was produced from CPPL-grown crops, the environmental impact was 30%–85% lower in almost all categories examined than with fertilizer-based feed. Seasonal differences were moderate, with a 3%–5% increase in some categories during winter. Based on the results, CPPL offers a promising alternative to chemical fertilizers, especially in reducing greenhouse gas emissions and nutrient leaching. In line with circular economy principles, CPPL can contribute to the development of more sustainable agricultural systems.
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spelling doaj-art-ca06797f98a84edd8b4f76d82391f01e2025-08-20T03:57:36ZengFrontiers Media S.A.Frontiers in Built Environment2297-33622025-08-011110.3389/fbuil.2025.16465651646565Circular approach of greener broiler chicken productionNikolett Éva Kiss0Nikolett Éva Kiss1Attila Nagy2Attila Nagy3János Tamás4János Tamás5Institute of Water and Environmental Management, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, HungaryNational Laboratory for Water Science and Water Safety, Institute of Water and Environmental Management, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, HungaryInstitute of Water and Environmental Management, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, HungaryNational Laboratory for Water Science and Water Safety, Institute of Water and Environmental Management, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, HungaryInstitute of Water and Environmental Management, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, HungaryNational Laboratory for Water Science and Water Safety, Institute of Water and Environmental Management, Faculty of Agricultural and Food Sciences and Environmental Management, University of Debrecen, Debrecen, HungaryThe sustainability of agricultural production is a key issue, particularly in terms of fertilizer use, greenhouse gas emissions, and resource depletion. This study uses life cycle assessment (LCA) to compare the environmental impacts of composted and pelletized poultry manure (CPPL) and six different fertilizers (ammonium nitrate (AN), calcium ammonium nitrate (CAN), urea, monoammonium phosphate (MAP), triple superphosphate (TSP), and potassium chloride (KCl)) during corn and winter wheat production, as well as their impact on broiler chicken production. The study also took into account different fertilization methods and seasonal variations (summer and winter rotation), analyzing eleven environmental impact categories, including global warming potential (GWP), acidification potential (AP), eutrophication potential (EP), abiotic resource use (abiotic depletion potential for elements (ADPe), abiotic depletion potential for fossil fuels (ADPf)), ozone layer depletion potential (ODP), photochemical oxidation potential (POP) and ecotoxicity potentials (freshwater aquatic ecotoxicity potential (FAETP), human toxicity potential (HTP), marine aquatic ecotoxicity potential (MAETP), terrestrial ecotoxicity potential (TETP)). Based on the results, GWP was 11%–14% lower for CPPL production compared to fertilizers, while ADPf was 14%–56% lower. At the same time, AP was significantly higher for CPPL, mainly due to ammonia emissions. In crop production (corn, winter wheat), CPPL-based nutrient replenishment resulted in 11%–34% lower GWP and 14%–56% lower ADPf in most environmental scenarios compared to fertilizer treatments. In toxic impact categories (e.g., FAETP, MAETP), reductions of 3%–15% were observed. However, AP values were 2.6%–6.8% higher, and EP could be up to twice as high as for fertilizer treatments. In broiler chicken farming, when feed was produced from CPPL-grown crops, the environmental impact was 30%–85% lower in almost all categories examined than with fertilizer-based feed. Seasonal differences were moderate, with a 3%–5% increase in some categories during winter. Based on the results, CPPL offers a promising alternative to chemical fertilizers, especially in reducing greenhouse gas emissions and nutrient leaching. In line with circular economy principles, CPPL can contribute to the development of more sustainable agricultural systems.https://www.frontiersin.org/articles/10.3389/fbuil.2025.1646565/fulllife cycle assessment (LCA)CPPLchemical fertilizersmaizewinter wheatbroiler chickens
spellingShingle Nikolett Éva Kiss
Nikolett Éva Kiss
Attila Nagy
Attila Nagy
János Tamás
János Tamás
Circular approach of greener broiler chicken production
Frontiers in Built Environment
life cycle assessment (LCA)
CPPL
chemical fertilizers
maize
winter wheat
broiler chickens
title Circular approach of greener broiler chicken production
title_full Circular approach of greener broiler chicken production
title_fullStr Circular approach of greener broiler chicken production
title_full_unstemmed Circular approach of greener broiler chicken production
title_short Circular approach of greener broiler chicken production
title_sort circular approach of greener broiler chicken production
topic life cycle assessment (LCA)
CPPL
chemical fertilizers
maize
winter wheat
broiler chickens
url https://www.frontiersin.org/articles/10.3389/fbuil.2025.1646565/full
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AT attilanagy circularapproachofgreenerbroilerchickenproduction
AT attilanagy circularapproachofgreenerbroilerchickenproduction
AT janostamas circularapproachofgreenerbroilerchickenproduction
AT janostamas circularapproachofgreenerbroilerchickenproduction