Identifying hotspots for antibiotic resistance emergence and selection, and elucidating pathways to human exposure : Application of a systems-thinking approach to aquaculture systems
Copyright © 2019 Elsevier B.V. All rights reserved..
Aquaculture systems are highly complex, dynamic and interconnected systems influenced by environmental, biological, cultural, socio-economic and human behavioural factors. Intensification of aquaculture production is likely to drive indiscriminate use of antibiotics to treat or prevent disease and increase productivity, often to compensate for management and husbandry deficiencies. Surveillance or monitoring of antibiotic usage (ABU) and antibiotic resistance (ABR) is often lacking or absent. Consequently, there are knowledge gaps for the risk of ABR emergence and human exposure to ABR in these systems and the wider environment. The aim of this study was to use a systems-thinking approach to map two aquaculture systems in Vietnam - striped catfish and white-leg shrimp - to identify hotspots for emergence and selection of resistance, and human exposure to antibiotics and antibiotic-resistant bacteria. System mapping was conducted by stakeholders at an interdisciplinary workshop in Hanoi, Vietnam during January 2018, and the maps generated were refined until consensus. Thereafter, literature was reviewed to complement and cross-reference information and to validate the final maps. The maps and component interactions with the environment revealed the grow-out phase, where juveniles are cultured to harvest size, to be a key hotspot for emergence of ABR in both systems due to direct and indirect ABU, exposure to water contaminated with antibiotics and antibiotic-resistant bacteria, and duration of this stage. The pathways for human exposure to antibiotics and ABR were characterised as: occupational (on-farm and at different handling points along the value chain), through consumption (bacterial contamination and residues) and by environmental routes. By using systems thinking and mapping by stakeholders to identify hotspots we demonstrate the applicability of an integrated, interdisciplinary approach to characterising ABU in aquaculture. This work provides a foundation to quantify risks at different points, understand interactions between components, and identify stakeholders who can lead and implement change.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2019 |
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| Erschienen: |
2019 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:687 |
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| Enthalten in: |
The Science of the total environment - 687(2019) vom: 15. Okt., Seite 1344-1356 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Brunton, Lucy A [VerfasserIn] |
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| Links: |
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| Themen: |
Anti-Bacterial Agents |
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| Anmerkungen: |
Date Completed 15.11.2019 Date Revised 20.10.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.scitotenv.2019.06.134 |
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| Förderinstitution / Projekttitel: |
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| 100 | 1 | |a Brunton, Lucy A |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Identifying hotspots for antibiotic resistance emergence and selection, and elucidating pathways to human exposure |b Application of a systems-thinking approach to aquaculture systems |
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| 500 | |a Date Revised 20.10.2023 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2019 Elsevier B.V. All rights reserved. | ||
| 520 | |a Aquaculture systems are highly complex, dynamic and interconnected systems influenced by environmental, biological, cultural, socio-economic and human behavioural factors. Intensification of aquaculture production is likely to drive indiscriminate use of antibiotics to treat or prevent disease and increase productivity, often to compensate for management and husbandry deficiencies. Surveillance or monitoring of antibiotic usage (ABU) and antibiotic resistance (ABR) is often lacking or absent. Consequently, there are knowledge gaps for the risk of ABR emergence and human exposure to ABR in these systems and the wider environment. The aim of this study was to use a systems-thinking approach to map two aquaculture systems in Vietnam - striped catfish and white-leg shrimp - to identify hotspots for emergence and selection of resistance, and human exposure to antibiotics and antibiotic-resistant bacteria. System mapping was conducted by stakeholders at an interdisciplinary workshop in Hanoi, Vietnam during January 2018, and the maps generated were refined until consensus. Thereafter, literature was reviewed to complement and cross-reference information and to validate the final maps. The maps and component interactions with the environment revealed the grow-out phase, where juveniles are cultured to harvest size, to be a key hotspot for emergence of ABR in both systems due to direct and indirect ABU, exposure to water contaminated with antibiotics and antibiotic-resistant bacteria, and duration of this stage. The pathways for human exposure to antibiotics and ABR were characterised as: occupational (on-farm and at different handling points along the value chain), through consumption (bacterial contamination and residues) and by environmental routes. By using systems thinking and mapping by stakeholders to identify hotspots we demonstrate the applicability of an integrated, interdisciplinary approach to characterising ABU in aquaculture. This work provides a foundation to quantify risks at different points, understand interactions between components, and identify stakeholders who can lead and implement change | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Antimicrobial resistance (AMR) | |
| 650 | 4 | |a Cá Tra | |
| 650 | 4 | |a Mekong Delta | |
| 650 | 4 | |a One Health | |
| 650 | 4 | |a Pangasianodon hypophthalmus | |
| 650 | 4 | |a Penaeus vannamei | |
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| 700 | 1 | |a Desbois, Andrew P |e verfasserin |4 aut | |
| 700 | 1 | |a Garza, Maria |e verfasserin |4 aut | |
| 700 | 1 | |a Wieland, Barbara |e verfasserin |4 aut | |
| 700 | 1 | |a Mohan, Chadag Vishnumurthy |e verfasserin |4 aut | |
| 700 | 1 | |a Häsler, Barbara |e verfasserin |4 aut | |
| 700 | 1 | |a Tam, Clarence C |e verfasserin |4 aut | |
| 700 | 1 | |a Le, Phuc Nguyen Thien |e verfasserin |4 aut | |
| 700 | 1 | |a Phuong, Nguyen Thanh |e verfasserin |4 aut | |
| 700 | 1 | |a Van, Phan Thi |e verfasserin |4 aut | |
| 700 | 1 | |a Nguyen-Viet, Hung |e verfasserin |4 aut | |
| 700 | 1 | |a Eltholth, Mahmoud M |e verfasserin |4 aut | |
| 700 | 1 | |a Pham, Dang Kim |e verfasserin |4 aut | |
| 700 | 1 | |a Duc, Phuc Pham |e verfasserin |4 aut | |
| 700 | 1 | |a Linh, Nguyen Tuong |e verfasserin |4 aut | |
| 700 | 1 | |a Rich, Karl M |e verfasserin |4 aut | |
| 700 | 1 | |a Mateus, Ana L P |e verfasserin |4 aut | |
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| 700 | 1 | |a Khan, Mohammed Nurul Absar |e verfasserin |4 aut | |
| 700 | 1 | |a Adams, Alexandra |e verfasserin |4 aut | |
| 700 | 1 | |a Guitian, Javier |e verfasserin |4 aut | |
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