Safeguarding future production of fish in aquaculture systems with water recirculation

Project Information

RASOPTA

Grant agreement ID: 956481

DOI

10.3030/956481

Project closed

EC signature date 30 June 2021

Start date 1 September 2021

End date 31 August 2025

Funded under

• EXCELLENT SCIENCE - Marie Skłodowska-Curie Actions

Total cost

€ 3 311 280,00

EU contribution

€ 3 311 280,00

Coordinated by

KOBENHAVNS UNIVERSITET
Denmark

CORDIS provides links to public deliverables and publications of HORIZON projects.

Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Deliverables

Documents, reports (21)

Fish feeds as source of off-flavour

Fish feeds as source of off-flavour have been established

Isolation of geosmin-degrading bacteria

Isolation of geosmin-degrading bacteria has been completed

Profiling of off-flavour compounds in RAS

Profiling of off-flavour compounds in RAS has been completed

First status report on implementation of training events

First status report on implementation of training events has been completed

Mapping of nitrifying microbes in commercial RAS biofilters

Mapping of nitrifying microbes in commercial RAS biofilters has been completed

Identification of off-flavour compounds in freshwater RAS

Identification of off-flavour compounds in freshwater RAS has been completed

Suspended bacteria as source for fish microbiota

Suspended bacteria as source for microbiota has been established

Impact of biofilter functions on fish welfare and stress

Impact of biofilter functions on fish welfare and stress has been established

Determination of fish health vs welfare indicators

Fish health vs welfare indicators has been determined

Effect of stress on disease susceptibility in Zebra fish models

Effect of stress on disease susceptibility in Zebra fish models has been established

Short-term geosmin dynamics and modelling of depuration

Short-term geosmin dynamics and modelling of depuration have been established

Biofilter's function as bacterial reservoir

Biofilter’s function as bacterial reservoir has been established

Impact of particle-attached bacteria on O2 and CO2 balances

Impact of particle-attached bacteria on O2 and CO2 balances has been established

Microbiomes in water and fish in salmon RAS

Microbiomes in water and fish in salmon RAS have been established

Characterization of fine particles in RAS water

Characterization of fine particles in RAS water has been completed

Sensory vs. instrumental off-flavour detection

Sensory vs. instrumental off-flavour detection has been completed

Identification of infection risk vs abundance of bacterial pathogens

Identification of infection risk vs abundance of bacterial pathogens has been completed

Feed effects on fish health and microbial activity

Feed effects on fish health and microbial activity have been established

Implementation of molecular detection of parasites

Implementation of molecular detection of parasites has been completed

Hotspots for off-flavour production in different types of RAS

Hotspots for off-flavour production in different types of RAS have been established

Test and validation of DNA chip

Test and validation of DNA chip has been completed

Publications

Peer reviewed articles (20)

Performance and physiological consequences of completely replacing soy protein in rainbow trout (Oncorhynchus mykiss) diets with semi-defatted black soldier fly (Hermetia illucens) larval meal

Author(s): Sara de Sousa e Brito, Tamara Wind, Mark Schumann, Alexander Rebl, Dirk Koczan, Verena Jung-Schroers, Carsten Schulz, Alexander Brinker
Published in: Aquaculture Reports, Issue 44, 2025, Page(s) 103007, ISSN 2352-5134
Publisher: Elsevier BV
DOI: 10.1016/j.aqrep.2025.103007

Effects of a chronic exposure to gemfibrozil in Carassius auratus

Author(s): M. Blonç, N. Ruiz, J.C. Balasch, M. Llorca, M. Farré, A. Tvarijonaviciute, L. Tort, M. Teles
Published in: Journal of Hazardous Materials Advances, Issue 12, 2025, Page(s) 100376, ISSN 2772-4166
Publisher: Elsevier BV
DOI: 10.1016/j.hazadv.2023.100376

Pathological effects of Thaparocleidus vistulensis (Siwak, 1932) infection on the gills of Silurus glanis Linnaeus, 1758

Author(s): Wan Muhammad Hazim Wan Sajiri, Csaba Székely, Kálmán Molnár, Kurt Buchmann, Boglárka Sellyei
Published in: Acta Veterinaria Hungarica, Issue 73, 2025, Page(s) 56-63, ISSN 0236-6290
Publisher: Akademiai Kiado
DOI: 10.1556/004.2025.01121

High abundances of ammonia-oxidizing archaea in nitrifying biofilters of brackish recirculating aquaculture systems (RAS) with tolerance for abrupt salinity changes

Author(s): Fernando Fernando, Simen Fredriksen, Eirik Degré Lorentsen, Line Moen, Ingrid Bakke
Published in: Aquaculture, Issue 612, 2025, Page(s) 743280, ISSN 0044-8486
Publisher: Elsevier BV
DOI: 10.1016/j.aquaculture.2025.743280

Unpredictable Repeated Stress in Rainbow Trout (Oncorhynchus mykiss) Shifted the Immune Response against a Fish Parasite

Author(s): Cyril Henard, Hanxi Li, Barbara F. Nowak, Louise von Gersdorff Jørgensen
Published in: Biology, Issue 13, 2025, Page(s) 769, ISSN 2079-7737
Publisher: MDPI AG
DOI: 10.3390/biology13100769

Aroma-active compounds in Russian sturgeon (Acipenser gueldenstaedtii) raised in recirculating aquaculture systems

Author(s): Mariana Rodrigues da Silva, Matteo Egiddi, Bastien Debeuf, Andrea Buettner, Helene M. Loos
Published in: Journal of Agriculture and Food Research, Issue 18, 2024, Page(s) 101443, ISSN 2666-1543
Publisher: Elsevier BV
DOI: 10.1016/j.jafr.2024.101443

Molecular and SEM studies on Thaparocleidus vistulensis (Siwak, 1932) (Monopisthocotyla, Ancylodiscoididae)

Author(s): Wan Muhammad Hazim Wan Sajiri, Csaba Székely, Kálmán Molnár, Sebastian Kjeldgaard-Nintemann, Per Walter Kania, Kurt Buchmann, Boglárka Sellyei
Published in: Scientific Reports, Issue 14, 2024, ISSN 2045-2322
Publisher: Nature Publishing Group
DOI: 10.1038/s41598-024-61032-3

Evaluation of a chronic exposure to nanoplastics in goldfish (Carassius auratus): Analytical validation of automated assays for the measurement of biochemical markers.

Author(s): M. Blonç, I. Brandts, M. Cánovas, L. Franco-Martínez, C.P. Rubio, L. Tort, A. Tvarijonaviciute, C. Gravato, M. Teles.
Published in: Journal of Ecological Indicators, Issue Volume 147, Article 109966, 2023, ISSN 1470-160X
Publisher: Elsevier BV
DOI: 10.1016/j.ecolind.2023.109966

Distribution of Odorant Compounds in Recirculating Aquaculture Systems Used in Sturgeon Farming

Author(s): Mariana Rodrigues da Silva, Pedro Martínez Noguera, Bastien Debeuf, Mikael A. Petersen, Helene M. Loos, Andrea Buettner
Published in: Aquaculture Research, Issue 2025, 2025, ISSN 1355-557X
Publisher: Blackwell Publishing Inc.
DOI: 10.1155/are/2377886

Comparative in vitro effects of novel and conventional parasiticides on Thaparocleidus vistulensis (Siwak, 1932) (Monopisthocotyla) parasitizing European catfish (Silurus glanis)

Author(s): Wan Muhammad Hazim Wan Sajiri, Csaba Székely, István Czeglédi, Kurt Buchmann, Boglárka Sellyei
Published in: Aquaculture Reports, Issue 43, 2025, Page(s) 102952, ISSN 2352-5134
Publisher: Elsevier BV
DOI: 10.1016/j.aqrep.2025.102952

Elucidating the Effects of the Lipids Regulators Fibrates and Statins on the Health Status of Finfish Species: A Review

Author(s): Manuel Blonç; Jennifer Lima; Joan Carles Balasch; Lluis Tort; Carlos Gravato; Mariana Teles
Published in: Animals, Issue Vol 13, Issue 5, 2023, Page(s) 792, ISSN 2076-2615
Publisher: MDPI
DOI: 10.3390/ani13050792

Myxobacteria isolated from recirculating aquaculture systems (RAS): ecology and significance as off-flavor producers

Author(s): Julia Södergren, Pedro Martínez Noguera, Mikael Agerlin Petersen, Niels O. G. Jørgensen, Raju Podduturi, Mette H. Nicolaisen
Published in: Applied and Environmental Microbiology, Issue 91, 2025, ISSN 0099-2240
Publisher: American Society for Microbiology
DOI: 10.1128/aem.00757-25

Reproductive strategies of the parasitic flatworm Thaparocleidus vistulensis (Siwak, 1932) (Platyhelminthes, Monogenea) infecting the European catfish Silurus glanis Linnaeus, 1758

Author(s): Wan Muhammad Hazim Wan Sajiri, Csaba Székely, Kálmán Molnár, Kurt Buchmann, Boglárka Sellyei
Published in: International Journal for Parasitology: Parasites and Wildlife, Issue 22, 2025, Page(s) 113-120, ISSN 2213-2244
Publisher: Elsevier BV
DOI: 10.1016/j.ijppaw.2023.09.010

There is no Smoke Without Fire: Evaluation of Water <scp>eDNA</scp> Profile of <scp><i>Yersinia ruckeri</i></scp> to Assess Enteric Redmouth Disease Pathogenesis in Rainbow Trout (<scp><i>Oncorhynchus mykiss</i></scp>)

Author(s): Cyril Henard, Hanxi Li, Yajiao Duan, Moonika Marana, Per Kania, Kasper Villumsen, Barbara F. Nowak, Louise von Gersdorff Jørgensen
Published in: Environmental DNA, Issue 7, 2025, ISSN 2637-4943
Publisher: Wiley
DOI: 10.1002/edn3.70070

More than just geosmin and 2‐methylisoborneol? Off‐flavours associated with recirculating aquaculture systems

Author(s): Pedro Martínez Noguera, Matteo Egiddi, Julia Södergren, Mariana Rodrigues da Silva, Jonathan Beauchamp, Mikael Agerlin Petersen, Andrea Buettner, Niels O. G. Jørgensen
Published in: Reviews in Aquaculture, Issue 16, 2024, Page(s) 2034-2063, ISSN 1753-5123
Publisher: Blackwell Pub. Asia
DOI: 10.1111/raq.12949

Identification of odor-active compounds in Nile tilapia (Oreochromis niloticus) from recirculated aquaculture systems: A case study with different depuration procedures

Author(s): Mariana Rodrigues da Silva, Helene M. Loos, Andrea Buettner
Published in: Food Research International, Issue 192, 2024, Page(s) 114755, ISSN 0963-9969
Publisher: Elsevier BV
DOI: 10.1016/j.foodres.2024.114755

Influences of light–dark cycle and water temperature on in vitro egg laying, hatching, and survival rate of the Thaparocleidus vistulensis (Dactylogyridea: Ancylodiscoididae)

Author(s): Wan Muhammad Hazim Wan Sajiri, Csaba Székely, Boglárka Sellyei
Published in: Parasitology Research, Issue 124, 2025, ISSN 0932-0113
Publisher: Springer Verlag
DOI: 10.1007/s00436-024-08430-8

Insights into the connection between pathogen water eDNA and disease progression in zebrafish infected with Vibrio anguillarum

Author(s): Cyril Henard, Manuel Blonç, Hanxi Li, Yajiao Duan, Louise von Gersdorff Jørgensen
Published in: Comparative Immunology Reports, Issue 7, 2024, Page(s) 200160, ISSN 2950-3116
Publisher: Elsevier BV
DOI: 10.1016/j.cirep.2024.200160

Bacteria in land-based larval rearing systems: sources of bacteria and their quantitative and qualitative influence on the microbiota of rearing water and larvae

Author(s): Sujan Khadka, Olav Vadstein, Ingrid Bakke, Yngvar Olsen, Kari J.K. Attramadal
Published in: Aquaculture, Issue 604, 2025, Page(s) 742445, ISSN 0044-8486
Publisher: Elsevier BV
DOI: 10.1016/j.aquaculture.2025.742445

Impact of a chronic waterborne exposure to polystyrene nanoplastics on the gilthead seabream (Sparus aurata): Combining traditional and multi-omics approaches

Author(s): Manuel Blonç, Nuria Ruiz, Fernando Fernando, Marta Llorca, Marinella Farré, Pau Nolis, Lluís Tort, Mariana Teles
Published in: Journal of Hazardous Materials, Issue 498, 2025, Page(s) 139465, ISSN 0304-3894
Publisher: Elsevier BV
DOI: 10.1016/j.jhazmat.2025.139465