Full Water Quality Monitoring of a Traditional Flow-Through Rainbow Trout Farm

Traditional freshwater rainbow trout farms are still popular in some European countries such as Poland, France and Ireland. These systems generally operate in flow-through configuration. The impact such production systems might have on water quality remains mostly unknown. The present study was set...

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Main Authors: Alexandre Tahar, Alan Kennedy, Richard D. Fitzgerald, Eoghan Clifford, Neil Rowan
Format: Article
Language:English
Published: MDPI AG 2018-07-01
Series:Fishes
Subjects:
Online Access:http://www.mdpi.com/2410-3888/3/3/28
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author Alexandre Tahar
Alan Kennedy
Richard D. Fitzgerald
Eoghan Clifford
Neil Rowan
author_facet Alexandre Tahar
Alan Kennedy
Richard D. Fitzgerald
Eoghan Clifford
Neil Rowan
author_sort Alexandre Tahar
collection DOAJ
description Traditional freshwater rainbow trout farms are still popular in some European countries such as Poland, France and Ireland. These systems generally operate in flow-through configuration. The impact such production systems might have on water quality remains mostly unknown. The present study was set up to fulfil this objective of monitoring water quality on different fish farm locations in order to identify the impacts of the whole farm (comparison of farm inlet and outlet) and at pond scale in order to understand the water quality dynamics and to better understand the impact of multiple water reuse (water passes) in a given pond on water quality. In the absence of any sort of water treatment, an increase in the number of water passes was shown to create an increase in ammonium concentration along the farm. Finally, this traditional flow-through rainbow trout production system was revealed to almost be at its full carrying capacity with respect to internal water quality parameters and fish welfare. To increase fish production, some water treatment techniques (solid/liquid separation, nitrification) would have to be introduced in order to optimize the rearing water quality for fish growth and to minimize the release of pollutants in the receiving water to limit the impact on the environment.
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spelling doaj.art-91ae68efc30b4054a6c372c4a79dd9c42022-12-22T02:43:04ZengMDPI AGFishes2410-38882018-07-013328010.3390/fishes3030028fishes3030028Full Water Quality Monitoring of a Traditional Flow-Through Rainbow Trout FarmAlexandre Tahar0Alan Kennedy1Richard D. Fitzgerald2Eoghan Clifford3Neil Rowan4Athlone Institute of Technology, Dublin Road, Athlone, County Westmeath, IrelandCivil Engineering, College of Engineering and Informatics, National University of Ireland, Galway, IrelandRyan Institute, National University of Ireland, Galway, IrelandCivil Engineering, College of Engineering and Informatics, National University of Ireland, Galway, IrelandAthlone Institute of Technology, Dublin Road, Athlone, County Westmeath, IrelandTraditional freshwater rainbow trout farms are still popular in some European countries such as Poland, France and Ireland. These systems generally operate in flow-through configuration. The impact such production systems might have on water quality remains mostly unknown. The present study was set up to fulfil this objective of monitoring water quality on different fish farm locations in order to identify the impacts of the whole farm (comparison of farm inlet and outlet) and at pond scale in order to understand the water quality dynamics and to better understand the impact of multiple water reuse (water passes) in a given pond on water quality. In the absence of any sort of water treatment, an increase in the number of water passes was shown to create an increase in ammonium concentration along the farm. Finally, this traditional flow-through rainbow trout production system was revealed to almost be at its full carrying capacity with respect to internal water quality parameters and fish welfare. To increase fish production, some water treatment techniques (solid/liquid separation, nitrification) would have to be introduced in order to optimize the rearing water quality for fish growth and to minimize the release of pollutants in the receiving water to limit the impact on the environment.http://www.mdpi.com/2410-3888/3/3/28rainbow trouttraditional flow-throughpond-basedrearing water qualityenvironmental impact
spellingShingle Alexandre Tahar
Alan Kennedy
Richard D. Fitzgerald
Eoghan Clifford
Neil Rowan
Full Water Quality Monitoring of a Traditional Flow-Through Rainbow Trout Farm
Fishes
rainbow trout
traditional flow-through
pond-based
rearing water quality
environmental impact
title Full Water Quality Monitoring of a Traditional Flow-Through Rainbow Trout Farm
title_full Full Water Quality Monitoring of a Traditional Flow-Through Rainbow Trout Farm
title_fullStr Full Water Quality Monitoring of a Traditional Flow-Through Rainbow Trout Farm
title_full_unstemmed Full Water Quality Monitoring of a Traditional Flow-Through Rainbow Trout Farm
title_short Full Water Quality Monitoring of a Traditional Flow-Through Rainbow Trout Farm
title_sort full water quality monitoring of a traditional flow through rainbow trout farm
topic rainbow trout
traditional flow-through
pond-based
rearing water quality
environmental impact
url http://www.mdpi.com/2410-3888/3/3/28
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