Influence of season and outdoor run characteristics on excretion behaviour of organic broilers and gaseous emissions
Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied f...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Méda, Bertrand [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2015transfer abstract |
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| Schlagwörter: |
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| Umfang: |
13 |
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| Übergeordnetes Werk: |
Enthalten in: The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) - Raggi, M. ELSEVIER, 2015, San Diego, Calif |
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| Übergeordnetes Werk: |
volume:139 ; year:2015 ; pages:35-47 ; extent:13 |
| Links: |
|---|
| DOI / URN: |
10.1016/j.biosystemseng.2015.08.001 |
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| 245 | 1 | 0 | |a Influence of season and outdoor run characteristics on excretion behaviour of organic broilers and gaseous emissions |
| 264 | 1 | |c 2015transfer abstract | |
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| 520 | |a Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. | ||
| 520 | |a Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. | ||
| 650 | 7 | |a Ammonia |2 Elsevier | |
| 650 | 7 | |a Excretion |2 Elsevier | |
| 650 | 7 | |a Poultry |2 Elsevier | |
| 650 | 7 | |a Greenhouse gas |2 Elsevier | |
| 650 | 7 | |a Organic |2 Elsevier | |
| 650 | 7 | |a Outdoor run |2 Elsevier | |
| 700 | 1 | |a Hassouna, Mélynda |4 oth | |
| 700 | 1 | |a Lecomte, Marcel |4 oth | |
| 700 | 1 | |a Germain, Karine |4 oth | |
| 700 | 1 | |a Dourmad, Jean-Yves |4 oth | |
| 700 | 1 | |a Robin, Paul |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Academ. Press |a Raggi, M. ELSEVIER |t The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) |d 2015 |g San Diego, Calif |w (DE-627)ELV018374581 |
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10.1016/j.biosystemseng.2015.08.001 doi GBVA2015005000006.pica (DE-627)ELV028734661 (ELSEVIER)S1537-5110(15)00128-2 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Méda, Bertrand verfasserin aut Influence of season and outdoor run characteristics on excretion behaviour of organic broilers and gaseous emissions 2015transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Ammonia Elsevier Excretion Elsevier Poultry Elsevier Greenhouse gas Elsevier Organic Elsevier Outdoor run Elsevier Hassouna, Mélynda oth Lecomte, Marcel oth Germain, Karine oth Dourmad, Jean-Yves oth Robin, Paul oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:139 year:2015 pages:35-47 extent:13 https://doi.org/10.1016/j.biosystemseng.2015.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 139 2015 35-47 13 045F 570 |
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10.1016/j.biosystemseng.2015.08.001 doi GBVA2015005000006.pica (DE-627)ELV028734661 (ELSEVIER)S1537-5110(15)00128-2 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Méda, Bertrand verfasserin aut Influence of season and outdoor run characteristics on excretion behaviour of organic broilers and gaseous emissions 2015transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Ammonia Elsevier Excretion Elsevier Poultry Elsevier Greenhouse gas Elsevier Organic Elsevier Outdoor run Elsevier Hassouna, Mélynda oth Lecomte, Marcel oth Germain, Karine oth Dourmad, Jean-Yves oth Robin, Paul oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:139 year:2015 pages:35-47 extent:13 https://doi.org/10.1016/j.biosystemseng.2015.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 139 2015 35-47 13 045F 570 |
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10.1016/j.biosystemseng.2015.08.001 doi GBVA2015005000006.pica (DE-627)ELV028734661 (ELSEVIER)S1537-5110(15)00128-2 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Méda, Bertrand verfasserin aut Influence of season and outdoor run characteristics on excretion behaviour of organic broilers and gaseous emissions 2015transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Ammonia Elsevier Excretion Elsevier Poultry Elsevier Greenhouse gas Elsevier Organic Elsevier Outdoor run Elsevier Hassouna, Mélynda oth Lecomte, Marcel oth Germain, Karine oth Dourmad, Jean-Yves oth Robin, Paul oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:139 year:2015 pages:35-47 extent:13 https://doi.org/10.1016/j.biosystemseng.2015.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 139 2015 35-47 13 045F 570 |
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10.1016/j.biosystemseng.2015.08.001 doi GBVA2015005000006.pica (DE-627)ELV028734661 (ELSEVIER)S1537-5110(15)00128-2 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Méda, Bertrand verfasserin aut Influence of season and outdoor run characteristics on excretion behaviour of organic broilers and gaseous emissions 2015transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Ammonia Elsevier Excretion Elsevier Poultry Elsevier Greenhouse gas Elsevier Organic Elsevier Outdoor run Elsevier Hassouna, Mélynda oth Lecomte, Marcel oth Germain, Karine oth Dourmad, Jean-Yves oth Robin, Paul oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:139 year:2015 pages:35-47 extent:13 https://doi.org/10.1016/j.biosystemseng.2015.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 139 2015 35-47 13 045F 570 |
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10.1016/j.biosystemseng.2015.08.001 doi GBVA2015005000006.pica (DE-627)ELV028734661 (ELSEVIER)S1537-5110(15)00128-2 DE-627 ger DE-627 rakwb eng 570 570 DE-600 630 VZ 640 VZ 320 VZ 630 640 610 VZ Méda, Bertrand verfasserin aut Influence of season and outdoor run characteristics on excretion behaviour of organic broilers and gaseous emissions 2015transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. Ammonia Elsevier Excretion Elsevier Poultry Elsevier Greenhouse gas Elsevier Organic Elsevier Outdoor run Elsevier Hassouna, Mélynda oth Lecomte, Marcel oth Germain, Karine oth Dourmad, Jean-Yves oth Robin, Paul oth Enthalten in Academ. Press Raggi, M. ELSEVIER The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy) 2015 San Diego, Calif (DE-627)ELV018374581 volume:139 year:2015 pages:35-47 extent:13 https://doi.org/10.1016/j.biosystemseng.2015.08.001 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_24 GBV_ILN_30 GBV_ILN_40 GBV_ILN_65 GBV_ILN_70 AR 139 2015 35-47 13 045F 570 |
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influence of season and outdoor run characteristics on excretion behaviour of organic broilers and gaseous emissions |
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Influence of season and outdoor run characteristics on excretion behaviour of organic broilers and gaseous emissions |
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Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. |
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Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. |
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Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species. |
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Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Two organic broilers rearing systems, each associated with a broiler house of 75 m2 and an outdoor run of 2500 m2, were studied. In the first system, the outdoor run consisted of grassland (GRASS) but in the second, the outdoor run was planted with oaks (TREE). Two batches of broilers were studied from winter to spring (WS) and from summer to autumn (SA). Indoor and outdoor airborne concentrations of NH3, N2O, CH4, CO2 and H2O were measured using a photoacoustic infrared analyser. Air flow rate through the broiler house was estimated using SF6 tracer gas. The final amount and composition of the manure was determined. A mass balance was determined for N, P and water. Results showed that in SA, more nutrients were excreted in the outdoor run (41%) compared with WS (11%). During the WS season, outdoor excretion was greater in the TREE system but this was not observed during SA. Ammonia indoor emissions were higher during WS (200–283 mg [NH3] d−1 bird−1) than during SA (99–116 mg [NH3] d−1 bird−1). Total emissions from the systems (indoor + outdoor) were assessed using our values and data from the literature for outdoor emissions. This confirmed that total NH3 emissions were in the same range as emissions of broilers reared in closed houses. N2O emissions were higher during WS but represented less than 0.5% of indoor N excretion. Total CH4 emissions were very low (40–60 mg [CH4] d−1 bird−1), particularly in comparison with emissions in other species.</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Ammonia</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Excretion</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Poultry</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Greenhouse gas</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Organic</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Outdoor run</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hassouna, Mélynda</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Lecomte, Marcel</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Germain, Karine</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Dourmad, Jean-Yves</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Robin, Paul</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="n">Academ. Press</subfield><subfield code="a">Raggi, M. ELSEVIER</subfield><subfield code="t">The role of policy priorities and targeting in the spatial location of participation in Agri-Environmental Schemes in Emilia-Romagna (Italy)</subfield><subfield code="d">2015</subfield><subfield code="g">San Diego, Calif</subfield><subfield code="w">(DE-627)ELV018374581</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:139</subfield><subfield code="g">year:2015</subfield><subfield code="g">pages:35-47</subfield><subfield code="g">extent:13</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.biosystemseng.2015.08.001</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_20</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_22</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_24</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_30</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_40</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_65</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ILN_70</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">139</subfield><subfield code="j">2015</subfield><subfield code="h">35-47</subfield><subfield code="g">13</subfield></datafield><datafield tag="953" ind1=" " ind2=" "><subfield code="2">045F</subfield><subfield code="a">570</subfield></datafield></record></collection>
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