Environmental impact and food production of small-scale mountain dairy farms at different supplementation levels
In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Flach, Laura [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Self-assembled 3D hierarchical MnCO - Rajendiran, Rajmohan ELSEVIER, 2020, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:310 ; year:2021 ; day:10 ; month:08 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.jclepro.2021.127429 |
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ELV054370434 |
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| 245 | 1 | 0 | |a Environmental impact and food production of small-scale mountain dairy farms at different supplementation levels |
| 264 | 1 | |c 2021transfer abstract | |
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| 520 | |a In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). | ||
| 520 | |a In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). | ||
| 650 | 7 | |a Human edible feed conversion efficiency |2 Elsevier | |
| 650 | 7 | |a Concentrate supplementation |2 Elsevier | |
| 650 | 7 | |a Mountain dairy farms |2 Elsevier | |
| 650 | 7 | |a Dual-purpose breed |2 Elsevier | |
| 650 | 7 | |a Nutrient budgets |2 Elsevier | |
| 700 | 1 | |a Kühl, Sarah |4 oth | |
| 700 | 1 | |a Lambertz, Christian |4 oth | |
| 700 | 1 | |a Gauly, Matthias |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Rajendiran, Rajmohan ELSEVIER |t Self-assembled 3D hierarchical MnCO |d 2020 |g Amsterdam [u.a.] |w (DE-627)ELV003750353 |
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| 856 | 4 | 0 | |u https://doi.org/10.1016/j.jclepro.2021.127429 |3 Volltext |
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10.1016/j.jclepro.2021.127429 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001745.pica (DE-627)ELV054370434 (ELSEVIER)S0959-6526(21)01648-6 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Flach, Laura verfasserin aut Environmental impact and food production of small-scale mountain dairy farms at different supplementation levels 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). Human edible feed conversion efficiency Elsevier Concentrate supplementation Elsevier Mountain dairy farms Elsevier Dual-purpose breed Elsevier Nutrient budgets Elsevier Kühl, Sarah oth Lambertz, Christian oth Gauly, Matthias oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:310 year:2021 day:10 month:08 pages:0 https://doi.org/10.1016/j.jclepro.2021.127429 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 310 2021 10 0810 0 |
| spelling |
10.1016/j.jclepro.2021.127429 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001745.pica (DE-627)ELV054370434 (ELSEVIER)S0959-6526(21)01648-6 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Flach, Laura verfasserin aut Environmental impact and food production of small-scale mountain dairy farms at different supplementation levels 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). Human edible feed conversion efficiency Elsevier Concentrate supplementation Elsevier Mountain dairy farms Elsevier Dual-purpose breed Elsevier Nutrient budgets Elsevier Kühl, Sarah oth Lambertz, Christian oth Gauly, Matthias oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:310 year:2021 day:10 month:08 pages:0 https://doi.org/10.1016/j.jclepro.2021.127429 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 310 2021 10 0810 0 |
| allfields_unstemmed |
10.1016/j.jclepro.2021.127429 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001745.pica (DE-627)ELV054370434 (ELSEVIER)S0959-6526(21)01648-6 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Flach, Laura verfasserin aut Environmental impact and food production of small-scale mountain dairy farms at different supplementation levels 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). Human edible feed conversion efficiency Elsevier Concentrate supplementation Elsevier Mountain dairy farms Elsevier Dual-purpose breed Elsevier Nutrient budgets Elsevier Kühl, Sarah oth Lambertz, Christian oth Gauly, Matthias oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:310 year:2021 day:10 month:08 pages:0 https://doi.org/10.1016/j.jclepro.2021.127429 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 310 2021 10 0810 0 |
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10.1016/j.jclepro.2021.127429 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001745.pica (DE-627)ELV054370434 (ELSEVIER)S0959-6526(21)01648-6 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Flach, Laura verfasserin aut Environmental impact and food production of small-scale mountain dairy farms at different supplementation levels 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). Human edible feed conversion efficiency Elsevier Concentrate supplementation Elsevier Mountain dairy farms Elsevier Dual-purpose breed Elsevier Nutrient budgets Elsevier Kühl, Sarah oth Lambertz, Christian oth Gauly, Matthias oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:310 year:2021 day:10 month:08 pages:0 https://doi.org/10.1016/j.jclepro.2021.127429 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 310 2021 10 0810 0 |
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10.1016/j.jclepro.2021.127429 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001745.pica (DE-627)ELV054370434 (ELSEVIER)S0959-6526(21)01648-6 DE-627 ger DE-627 rakwb eng 540 VZ 35.18 bkl Flach, Laura verfasserin aut Environmental impact and food production of small-scale mountain dairy farms at different supplementation levels 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). Human edible feed conversion efficiency Elsevier Concentrate supplementation Elsevier Mountain dairy farms Elsevier Dual-purpose breed Elsevier Nutrient budgets Elsevier Kühl, Sarah oth Lambertz, Christian oth Gauly, Matthias oth Enthalten in Elsevier Science Rajendiran, Rajmohan ELSEVIER Self-assembled 3D hierarchical MnCO 2020 Amsterdam [u.a.] (DE-627)ELV003750353 volume:310 year:2021 day:10 month:08 pages:0 https://doi.org/10.1016/j.jclepro.2021.127429 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 35.18 Kolloidchemie Grenzflächenchemie VZ AR 310 2021 10 0810 0 |
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environmental impact and food production of small-scale mountain dairy farms at different supplementation levels |
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Environmental impact and food production of small-scale mountain dairy farms at different supplementation levels |
| abstract |
In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). |
| abstractGer |
In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). |
| abstract_unstemmed |
In mountain areas such as South Tyrol, Italy, in addition to extensively managed farms with dual-purpose breeds, there is an increasing number of farms raising high-yielding breeds, that depend on large quantities of concentrated feed imported from other regions. A large supply of nutrients not only leads to unbalanced nutrient budgets but also to a lower contribution to net human food supply by using large amounts of human edible feedstuff. 64 dairy farms managed at differing concentrated feed intensity levels in South Tyrol were assessed. The farms were divided into four groups according to the amount of concentrated feed used (high [H] vs. low [L]) and the breed (Tyrolean Grey [TG] vs. Brown Swiss [BS]). The following groups were analyzed: H-BS with ⌀ 8.7, H-TG with ⌀ 6.1, L-BS with ⌀ 4.0 and L-TG with ⌀2.8 kg concentrated feed per cow and day. Farms cultivated only permanent grassland without any cash crops. N budgets for H-BS, H-TG, L-BS and L-TG were 79.54, 50.81, 37.85 and 34.16 kg ha−1, respectively, with significantly higher values for H-BS compared to the other groups. P and K budgets were also significantly higher for H-BS (12.8 and 43.96 kg ha−1, respectively) when compared to L-BS (3.10 and 8.86 kg ha−1) and L-TG (1.50 and 11.91 kg ha−1). The nutrient use efficiency, calculated as the proportion of output to input, for N and K was similar across all groups, while the P-efficiency was significantly higher in L-BS and L-TG (91.3 and 98.5%, respectively) compared to H-BS and H-TG (73.0 and 72.4%, respectively). HeFCE for protein and energy was lowest for H-TG (0.99 and 2.38, respectively) compared to L-TG (1.54 and 3.73, respectively), with the decisive factor being the amount of concentrated feed per kg ECM produced (g DM/kg ECM). |
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10.1016/j.jclepro.2021.127429 |
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2024-07-06T21:32:41.668Z |
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