2024
Tolerance to fluctuating currents in farmed Atlantic salmon: a novel method to simulate offshore wave effects in the laboratory
Ronja Rogerdatter Athammer, Frode Oppedal, Malthe Hvas
Aquaculture Environment Interactions
16
p. 103-114
2024
Efficiency of salmon production in submerged cages with air domes matches standard surface cages when environments are similar
F. Warren-Myers, Ole Folkedal, Tone Vågseth, Lars Helge Stien, Jan Olav Fosse, Timothy David Dempster, Frode Oppedal
Aquaculture
586
2024
Fasting and its implications for fish welfare in Atlantic salmon aquaculture
Malthe Hvas, Jelena Kolarevic, Christopher Noble, Frode Oppedal, Lars Helge Stien
Reviews in Aquaculture
2024
Atlantic salmon in chronic turbulence: Effects on growth, behaviour, welfare, and stress
Emma Barbier, Frode Oppedal, Malthe Hvas
Aquaculture
582
2023
Fluid–Structure Interactions of Net Cages—Full-Scale Pushing Tests in the Field
Sihan Gao, Frode Oppedal, Jan Olav Fosse, Stig Atle Tuene, Lars Christian Gansel
Journal of Offshore Mechanics and Arctic Engineering
146
2023
Fluid-structure interactions of net cages - full-scale pushing tests in the field
Sihan Gao, Frode Oppedal, Jan Olav Fosse, Stig Atle Tuene, Lars Christian Gansel
Journal of Offshore Mechanics and Arctic Engineering
2023
Comparison of non-medicinal delousing strategies for parasite (Lepeophtheirus salmonis) removal efficacy and welfare impact on Atlantic salmon (Salmo salar) hosts
Cameron Thompson, Angelico Madaro, Jonatan Nilsson, Lars Helge Stien, Frode Oppedal, Øyvind Øverli, Wayne J. Korzan, Samantha Bui
Aquaculture International
2023
Adaptive photoperiod interpretation modulates phenological timing in Atlantic salmon
Tina Marie Wier Oldham, Frode Oppedal, Per Gunnar Fjelldal, Tom Johnny Hansen
Scientific Reports
13
2023
Environmentally responsive parasite prevention halves salmon louse burden in commercial marine cages
Tina Marie Wier Oldham, Benedicte Simensen, Henrik Trengereid, Frode Oppedal
Aquaculture
563
2023
Novel tag-based method for measuring tailbeat frequency and variations in amplitude in fish
F. Warren-Myers, Eirik Svendsen, Martin Føre, Ole Folkedal, Frode Oppedal, Malthe Hvas
Animal Biotelemetry
11
2022
Supersizing salmon farms in the coastal zone: A global analysis of changes in farm technology and location from 2005 to 2020
P. McIntosh, L.T. Barrett, F. Warren-Myers, A. Coates, G. Macaulay, A. Szetey, Nicholas Andrew Robinson, C. White, F. Samsing, Frode Oppedal, Ole Folkedal, Klebert Pascal, Timothy David Dempster
Aquaculture
553
p. 1-17
2022
Declining size-at-harvest in Norwegian salmon aquaculture: Lice, disease, and the role of stunboats
LukeT. Barrett, Tina Marie Wier Oldham, Trond Kristiansen, Frode Oppedal, Lars Helge Stien
Aquaculture
559
2022
Deployment of hydroacoustic feeding control in salmon sea-cages; biological and technical considerations
Ole Folkedal, Gavin Macaulay, Jan Erik Fosseidengen, Gunvar Mikkelsen, Joakim Myrland, Bendik Sørensen Søvegjarto, Tom Olav Klepaker, Anders Fernø, Timothy David Dempster, Frode Oppedal, Lars Helge Stien
Aquaculture
561
2021
Full compensatory growth before harvest and no impact on fish welfare in Atlantic salmon after an 8-week fasting period
Malthe Hvas, Jonatan Nilsson, Tone Vågseth, Velimir Nola, Per Gunnar Fjelldal, Tom Johnny Hansen, Frode Oppedal, Lars Helge Stien, Ole Folkedal
Aquaculture
546
2021
Wild Atlantic salmon enter aquaculture sea-cages: A case study
Per Gunnar Fjelldal, Samantha Bui, Tom Johnny Hansen, Frode Oppedal, Gunnar O Bakke, Lea Marie Hellenbrecht, Sofie Knutar, Abdullah Sami Madhun
Conservation Science and Practice (CSP)
3
p. 1-7
2021
Salmon lice nauplii and copepodids display different vertical migration patterns in response to light
Aylah Szetey, Daniel William Wright, Frode Oppedal, Timothy David Dempster
Aquaculture Environment Interactions
13
p. 121-131
2021
Acclimation with lice-infested salmon improves cleaner fish delousing performance
Katherine Gentry, Samantha Bui, Frode Oppedal, Reidun Marie Bjelland, Velimir Nola, Timothy David Dempster
Aquaculture Environment Interactions
13
p. 41-49
2021
Wild Atlantic salmon enter aquaculture sea-cages: A case study
Per Gunnar Fjelldal, Samantha Bui, Tom Johnny Hansen, Frode Oppedal, Gunnar O Bakke, Lea Hellenbrecht, Sofie Knutar, Abdullah Sami Madhun
Conservation Science and Practice (CSP)
3
p. 1-7
2021
What is The Limit of Sustained Swimming in Atlantic Salmon Post smolts?
Malthe Hvas, Ole Folkedal, Frode Oppedal
Aquaculture Environment Interactions
13
p. 189-198
2021
Sentinels in Salmon Aquaculture: Heart Rates Across Seasons and During Crowding Events
Fletcher Warren-Myers, Malthe Hvas, Tone Vågseth, Tim Dempster, Frode Oppedal
Frontiers in Physiology
2021
Submerged cage aquaculture of marine fish: a review of the biological challenges and opportunities
Michael Sievers, Øyvind Johan Korsøen, Fletcher Warren-Myers, Frode Oppedal, Georgia Macauley, Ole Folkedal, Tim Dempster
Reviews in Aquaculture
2021
Full production cycle, commercial scale culture of salmon in submerged sea-cages with air domes reduces lice infestation, but creates production and welfare challenges
Fletcher Warren-Myers, Tone Vågseth, Ole Folkedal, Lars Helge Stien, Jan Olav Fosse, Tim Dempster, Frode Oppedal
Aquaculture
548
2021
Operculum PIT tagging: a viable alternative to avoid human consumption in processed salmon
Tina Marie Wier Oldham, Georgia Macaulay, Malin Stalheim, Frode Oppedal
Animal Biotelemetry
9
2021
The effect of fasting period on swimming performance, blood parameters and stress recovery in Atlantic salmon post molts
Malthe Hvas, Jonatan Nilsson, Tone Vågseth, Velimir Nola, Per Gunnar Fjelldal, Tom Johnny Hansen, Frode Oppedal, Lars Helge Stien, Ole Folkedal
Aquaculture
546
2021
The effect of fasting period on swimming performance, blood parameters and stress recovery in Atlantic salmon post smolts
Malthe Hvas, Lars Helge Stien, Frode Oppedal
Comparative Biochemistry and Physiology A
255
2021
Farmed salmonids drive the abundance, ecology and evolution of parasitic salmon lice in Norway
Tim Dempster, Kathy Overton, Samantha Bui, Lars Helge Stien, Frode Oppedal, Ørjan Karlsen, Andrew Coates, B. L. Phillips, Luke T. Barrett
Aquaculture Environment Interactions
13
p. 237-248
2021
The potential for cleaner fish-driven evolution in the salmon louse Lepeophtheirus salmonis: Genetic or environmental control of pigmentation?
Lars Are Hamre, Tina Marie Wier Oldham, Frode Oppedal, Frank Nilsen, Kevin Alan Glover
Ecology and Evolution
11
p. 1-14
2021
Tapeworm (Eubothrium sp.) infestation in sea caged Atlantic salmon decreased by lice barrier snorkels during a commercial-scale study
Lena Geitung, Daniel William Wright, Lars Helge Stien, Frode Oppedal, Egil Erlingsson Karlsbakk
Aquaculture
541
p. 1-7
2021
Tag use to monitor fish behaviour in aquaculture: a review of benefits, problems and solutions
Georgia Macaulay, Fletcher Warren-Myers, Luke T. Barrett, Frode Oppedal, Martin Føre, Tim Dempster
Reviews in Aquaculture
13
p. 1565-1582
2021
Evolution of salmon lice in response to management strategies: a review
Andrew Coates, Ben Phillips, Samantha Bui, Frode Oppedal, Nicholas Andrew Robinson, Tim Dempster
Reviews in Aquaculture
13
p. 1397-1422
2021
Finding the needle in the haystack: Comparison of methods for salmon louse enumeration in plankton samples
Samantha Bui, Sussie Dalvin, Tone Vågseth, Frode Oppedal, Frode Fossøy, Hege Brandsegg, Ása Jacobsen, Gunnvør á Nordi, Mark Fordyce, Helena Kling Michelsen, Bengt Finstad, Rasmus Skern-Mauritzen
Aquaculture Research
52
p. 3591-3604
2020
Sea lice removal by cleaner fish in salmon aquaculture: a review of the evidence base
Kathy Overton, Luke Barrett, Frode Oppedal, Tore S Kristiansen, Timothy David Dempster
Aquaculture Environment Interactions
12
p. 31-44
2020
Skeletal deformities in wild and farmed cleaner fish species used in Atlantic salmon Salmo salar aquaculture
Per Gunnar Fjelldal, Angelico Madaro, Malthe Hvas, Lars Helge Stien, Frode Oppedal, Thomas Fraser
Journal of Fish Biology
p. 1-10
2020
Heart rates of Atlantic salmon Salmo salar during a critical swim speed test and subsequent recovery
Malthe Hvas, Ole Folkedal, Frode Oppedal
Journal of Fish Biology
2020
Effect of cleaner fish on sea lice in Norwegian salmon aquaculture: a national scale data analysis
Luke T. Barrett, Kathy Overton, Lars Helge Stien, Frode Oppedal, Tim Dempster
International Journal of Parasitology
50
p. 787-796
2020
Fish welfare in offshore salmon aquaculture
Malthe Hvas, Ole Folkedal, Frode Oppedal
Reviews in Aquaculture
2020
Heart rate bio-loggers as welfare indicators in Atlantic salmon (Salmo salar) aquaculture
Malthe Hvas, Ole Folkedal, Frode Oppedal
Aquaculture
529
2020
The effect of temperature on ability of Lepeophtheirus salmonis to infect and persist on Atlantic salmon (Salmo salar)
Sussie Dalvin, Lars Are Hamre, Rasmus Skern-Mauritzen, Tone Vågseth, Lars Helge Stien, Frode Oppedal, Samantha Bui
Journal of Fish Diseases
43
p. 1519-1529
2020
Challenges and benefits of applying fish behaviour to improve production and welfare in industrial aquaculture
Georgia Macaulay, Samantha Bui, Frode Oppedal, Tim Dempster
Reviews in Aquaculture
2020
The effect of temperature on ability of Lepeophtheirus salmonis to infect and persist on Atlantic salmon
Sussie Dalvin, Lars Are Hamre, Rasmus Skern-Mauritzen, Tone Vågseth, Lars Helge Stien, Frode Oppedal, Samantha Bui
Journal of Fish Diseases
43
p. 1519-1529
2020
Buoyancy matters: Establishing the maximum neutral buoyancy depth of Atlantic salmon
Gavin John Macaulay, Daniel William Wright, Frode Oppedal, Timothy David Dempster
Aquaculture
519
p. 1-8
2020
Salmon lice survive the straight shooter: A commercial scale sea cage trial of laser delousing
Samantha Bui, Lena Geitung, Frode Oppedal, Luke T. Barrett
Preventive Veterinary Medicine
181
p. 1-6
2020
Cleaner fish growth, welfare and survival in Atlantic salmon sea cages during an autumn-winter production
Lena Geitung, Daniel William Wright, Frode Oppedal, Lars Helge Stien, Tone Vågseth, Angelico Madaro
Aquaculture
528
p. 1-10
2020
The metabolic rate response to feed withdrawal in Atlantic salmon post-smolts
Malthe Hvas, Lars Helge Stien, Frode Oppedal
Aquaculture
529
2020
Prevention not cure: a review of methods to avoid sea lice infestations in salmon aquaculture
Luke T. Barrett, Frode Oppedal, Nicholas Andrew Robinson, Tim Dempster
Reviews in Aquaculture
p. 1-17
2020
Salmon lice survive the straight shooter: efficiency of optical delousing using lasers in a commercial net pen
Samantha Bui, Lena Geitung, Frode Oppedal, Luke T. Barrett
Preventive Veterinary Medicine
181
2020
Parasites under pressure: salmon lice have the capacity to adapt to depth-based preventions in aquaculture
Andrew Coates, Ben Phillips, Frode Oppedal, Samantha Bui, Kathy Overton, Tim Dempster
International Journal of Parasitology
50
p. 865-872
2020
Optimal estimation of lice release from aquaculture based on ambient temperatures
Ingrid A. Johnsen, Lars Helge Stien, Anne Dagrun Sandvik, Lars Asplin, Frode Oppedal
Aquaculture Environment Interactions
12
p. 179-191
2020
Atlantic salmon cope in submerged cages when given access to an air dome that enables fish to maintain neutral buoyancy
Frode Oppedal, Ole Folkedal, Lars Helge Stien, Tone Vågseth, Jan Olav Fosse, Tim Dempster, Fletcher Warren-Myers
Aquaculture
525
p. 1-7
2020
Where art thou louse? A snapshot of attachment location preferences in salmon lice on Atlantic salmon hosts in sea cages
Samantha Bui, Frode Oppedal, Velimir Nola, Luke T. Barrett
Journal of Fish Diseases
43
p. 697-706
2020
Acclimating salmon as juveniles prepares them for a farmed life in sea-cages
Georgia Macaulay, Samantha Bui, Frode Oppedal, Tim Dempster
Aquaculture
523
p. 735227
2020
Ultraviolet-C light suppresses reproduction of sea lice but has adverse effects on host salmon.
Luke T. Barrett, Samantha Bui, Frode Oppedal, Tora Bardal, Rolf Erik Olsen, Timothy David Dempster
Aquaculture
520
2020
Efficiency and welfare impact of long-term simultaneous in situ management strategies for salmon louse reduction in commercial sea cages
Samantha Bui, Jonatan Nilsson, Lars Helge Stien, Henrik Trengereid, Frode Oppedal
Aquaculture
520
2020
Impact of thermoclines on the vertical distribution of salmon lice larvae
Thomas Crosbie, Daniel William Wright, Frode Oppedal, Sussie Dalvin, Mari Skuggedal Myksvoll, Timothy Dempster
Aquaculture Environment Interactions
12
p. 1-10
2020
Sea lice prevention strategies affect cleaner fish delousing efficacy in commercial Atlantic salmon sea-cages
Katherine Gentry, Samantha Bui, Frode Oppedal, Timothy David Dempster
Aquaculture Environment Interactions
12
p. 67-80
2019
Fish Welfare Based Classification Method of Ocean Current Speeds at Aquaculture Sites
Kristbjörg Edda Jónsdóttir, Malthe Hvas, Jo Arve Alfredsen, Martin Føre, Morten Alver, Hans Vanhauwaert Bjelland, Frode Oppedal
Aquaculture Environment Interactions
11
p. 249-261
2019
Snorkel Technology to Reduce Sea Lice Infestations: Efficacy Depends on Salinity at the Farm Site, but Snorkels Have Minimal Effects on Salmon Production and Welfare
Frode Oppedal, Samantha Bui, Kathy Overton, Lars Helge Stien, Timothy David Dempster
Aquaculture Environment Interactions
11
p. 445-457
2019
Development of the Salmon Louse Lepeophtheirus Salmonis Parasitic Stages in Temperatures Ranging from 3 to 24°C
Lars Are Hamre, Samantha Bui, Frode Oppedal, Rasmus Skern-Mauritzen, Sussie Dalvin
Aquaculture Environment Interactions
11
p. 429-443
2019
Effects of Step Salinity Gradients on Salmon Lice Larvae Behaviour and Dispersal
Thomas Crosbie, Daniel William Wright, Frode Oppedal, Ingrid Askeland Johnsen, Fransisca Samsing, Timothy Dempster
Aquaculture Environment Interactions
11
p. 181-190
2019
Differential effects of internal tagging depending on depth treatment in Atlantic salmon: a cautionary tale for aquatic animal tag use.
Daniel William Wright, Lars Helge Stien, Timothy David Dempster, Frode Oppedal
Current Zoology
65
p. 665-673
2019
Physiological responses of farmed Atlantic salmon and two cohabitant species of cleaner fish to progressive hypoxia
Malthe Hvas, Frode Oppedal
Aquaculture
512
2019
Snorkel sea-cage technology decreases salmon louse infestation by 75% in a full-cycle commercial test
Lena Geitung, Frode Oppedal, Lars Helge Stien, Timothy David Dempster, Egil Karlsbakk, Velimir Nola, Daniel William Wright
International Journal of Parasitology
49
p. 843-846
2019
The effectiveness of hyposaline treatments against host-attached salmon lice
Michael Sievers, Frode Oppedal, Ellen Ditria, Daniel William Wright
Scientific Reports
9
2019
Effects of step salinity gradients on salmon lice larvae behaviour and dispersal
Thomas Crosbie, Daniel William Wright, Frode Oppedal, Ingrid Askeland Johnsen, Fransisca Samsing, Timothy Dempster
Aquaculture Environment Interactions
11
p. 181-190
2019
Snorkel technology to reduce sea lice infestations: efficacy depends on salinity at the farm site, but snorkels have minimal effects on salmon production and welfare
Frode Oppedal, Samantha Bui, Kathy Overton, Lars Helge Stien, Timothy David Dempster
Aquaculture Environment Interactions
11
p. 445-457
2019
Development of the salmon louse Lepeophtheirus salmonis parasitic stages in temperatures ranging from 3 to 24°C
Lars Are Hamre, Samantha Bui, Frode Oppedal, Rasmus Skern-Mauritzen, Sussie Dalvin
Aquaculture Environment Interactions
11
p. 429-443
2019
Sterilization of salmon lice eggs with UVC light: towards a new preventative technique for aquaculture
Luke T. Barrett, Cassandra Pert, Samantha Bui, Frode Oppedal, Tim Dempster
Pest Management Science
76
p. 901-906
2019
Jumping to treat sea lice: Harnessing salmon behaviour to enable surface-based chemotherapeutant application
Timothy David Dempster, Samantha Bui, Kathy Overton, Frode Oppedal
Aquaculture
512
2019
Influence of experimental set-up and methodology for measurements of metabolic rates and critical swimming speed in Atlantic salmon Salmo salar
Malthe Hvas, Frode Oppedal
Journal of Fish Biology
95
p. 893-902
2019
Physiological performance of ballan wrasse (Labrus bergylta) at different temperatures and its implication for cleaner fish usage in salmon aquaculture
Jeffrey William Yuen, Tim Dempster, Frode Oppedal, Malthe Hvas
Biological control (Print)
135
p. 117-123
2019
Fish welfare based classification method of ocean current speeds at aquaculture sites
Kristbjörg Edda Jónsdóttir, Malthe Hvas, Jo Arve Alfredsen, Martin Føre, Morten Alver, Hans Vanhauwaert Bjelland, Frode Oppedal
Aquaculture Environment Interactions
11
p. 249-261
2019
Metabolic and functional impacts of hypoxia vary with size in Atlantic salmon
Tina Marie Wier Oldham, Barbara F. Nowak, Malthe Hvas, Frode Oppedal
Comparative Biochemistry and Physiology A
231
p. 30-38
2019
Thermal delousing with cold water: Effects on salmon lice removal and salmon welfare
Kathy Overton, Frode Oppedal, Lars Helge Stien, Lene Moltumyr, Daniel William Wright, Tim Dempster
Aquaculture
505
p. 41-46
2019
Welfare, behaviour and feasibility of farming Atlantic salmon in submerged cages with weekly surface access to refill their swim bladders.
Alex Glaropolous, Lars Helge Stien, Ole Folkedal, Timothy David Dempster, Frode Oppedal
Aquaculture
502
p. 332-337
2018
Growth and welfare of submerged Atlantic salmon under continuous lighting
Michael Sievers, Øyvind Johan Korsøen, Timothy David Dempster, Per Gunnar Fjelldal, Tore S Kristiansen, Ole Folkedal, Frode Oppedal
Aquaculture Environment Interactions
10
p. 501-510
2018
Growth and welfare of submerged Atlantic salmon under continuous lightning
Michael Sievers, Øyvind Johan Korsøen, Timothy David Dempster, Per Gunnar Fjelldal, Tore S Kristiansen, Ole Folkedal, Frode Oppedal
Aquaculture Environment Interactions
10
p. 501-510
2018
Salmon lice treatments and salmon mortality in Norwegian aquaculture: a review
Kathy Overton, Tim Dempster, Frode Oppedal, Tore S Kristiansen, Kristine Gismervik, Lars Helge Stien
Reviews in Aquaculture
p. 1-20
2018
Oxygen Uptake and Osmotic Balance of Atlantic Salmon in Relation to Exercise and Salinity Acclimation
Malthe Hvas, Tom Ole Nilsen, Frode Oppedal
Frontiers in Marine Science
5
p. 1-11
2018
Metabolic rates, swimming capabilities, thermal niche and stress response of the lumpfish, cyclopterus lumpus
Malthe Hvas, Ole Folkedal, Albert Imsland, Frode Oppedal
Biology Open
7:bio036079
p. 1-9
2018
Cage size affects dissolved oxygen distribution in salmon aquaculture
Tina Oldham, Frode Oppedal, Timothy David Dempster
Aquaculture Environment Interactions
10
p. 149-156
2018
Repeated sublethal freshwater exposures reduce the amoebic gill disease parasite, Neoparamoeba perurans, on Atlantic salmon
Daniel William Wright, Barbara Nowak, Frode Oppedal, Phil Crosbie, Lars Helge Stien, Tim Dempster
Journal of Fish Diseases
41
p. 1403-1410
2018
Surface environment modification in Atlantic salmon sea-cages: Effects on amoebic gill disease, salmon lice, growth and welfare
Daniel William Wright, Lena Geitung, Egil Karlsbakk, Lars Helge Stien, Timothy David Dempster, Tina Oldham, Velimir Nola, Frode Oppedal
Aquaculture Environment Interactions
10
p. 255-265
2018
Skirts on salmon production cages reduced salmon lice infestations without affecting fish welfare
Lars Helge Stien, Mattias Bendiksen Lind, Frode Oppedal, Daniel William Wright, Tore Seternes
Aquaculture
490
p. 281-287
2018
Drag Forces and deformation of aquaculture cages – full-scale towing tests in the field
Lars Christian Gansel, Frode Oppedal, Jens Birkevold, Stig Atle Tuene
Aquacultural Engineering
81
p. 46-56
2018
Dissolved oxygen variability in a commercial sea-cage exposes farmed Atlantic salmon to growth limiting conditions
David Solstorm, Tina Oldham, Frida Solstorm, Klebert Pascal, Lars Helge Stien, Tone Vågseth, Frode Oppedal
Aquaculture
486
p. 122-129
2017
Behaviour in Atlantic salmon confers protection against an ectoparasite.
Samantha Bui, Frode Oppedal, Fransisca Samsing, Timothy David Dempster
Journal of Experimental Zoology. Part A: Ecological Genetics and Physiology (JEZ)
304
p. 73-80
2017
Behaviour in Atlantic salmon confers protection against an ectoparasite
Samantha Bui, Frode Oppedal, Francisca Samsing, Timothy David Dempster
Journal of Zoology
304
p. 73-80
2017
Lowering treatment temperature reduces salmon mortality: a new way to treat with hydrogen peroxide in aquaculture.
Kathy Overton, Fransisca Samsing, Frode Oppedal, Lars Helge Stien, Timothy David Dempster
Pest Management Science
74
p. 535-540
2017
The gill parasite Paramoeba perurans compromises aerobic scope, swimming capacity and ion balance in Atlantic salmon.
Malthe Hvas, Egil Karlsbakk, Stig Mæhle, Daniel William Wright, Frode Oppedal
Conservation Physiology
5
p. 1-12
2017
Salmon lice evasion, susceptibility, retention, and development differ amongst host salmonid species.
Samantha Bui, Elina Halttunen, Agnes Marie Mohn, Tone Vågseth, Frode Oppedal
ICES Journal of Marine Science
75
p. 1071-1079
2017
Behaviour in the toolbox to outsmart parasites and improve fish welfare in aquaculture
Samantha Bui, Frode Oppedal, Michael Sievers, Timothy David Dempster
Reviews in Aquaculture
11
p. 168-186
2017
The use and effects of hydrogen peroxide on salmon lice and post-smolt Atlantic salmon.
Kathy Overton, Francisca Samsing, Frode Oppedal, Lars Helge Stien, Sussie Dalvin, Timothy David Dempster
Aquaculture
486
p. 246-252
2017
Free-living Neoparamoeba perurans depth distribution is mostly uniform in salmon cages, but reshaped by stratification and potentially extreme fish crowding
Daniel William Wright, Barbara Nowak, Frode Oppedal, Andrew Bridle, Timothy David Dempster
Aquaculture Environment Interactions
9
p. 269-279
2017
Oxygen gradients affect behaviour of caged Atlantic salmon Salmo salar
Tina Oldham, Timothy David Dempster, Jan Olav Fosse, Frode Oppedal
Aquaculture Environment Interactions
9
p. 145-153
2017
Susceptibility, behaviour, and retention of the parasitic salmon louse (Lepeophtheirus salmonis) differ with Atlantic salmon population origin
Samantha Bui, Sussie Dalvin, Timothy David Dempster, Ole Fredrik Skulstad, Rolf Edvardsen, Anna Wargelius, Frode Oppedal
Journal of Fish Diseases
41
p. 431-442
2017
Network analysis reveals strong seasonality in the dispersal of a marine parasite and identifies areas for coordinated management
Fransisca Samsing, Ingrid Askeland Johnsen, Timothy David Dempster, Frode Oppedal, Eric A. Treml
Landscape Ecology
2017
`Snorkel? lice barrier technology reduced two co- occurring parasites, the salmon louse (Lepeophtheirus salmonis) and the amoebic gill disease causing agent (Neoparamoeba perurans), in commercial salmon sea-cages
Daniel William Wright, Lars Helge Stien, Timothy David Dempster, Tone Vågseth, Velemir Nola, Jan Erik Fosseidengen, Frode Oppedal
Preventive Veterinary Medicine
140
p. 97-105
2017
Sea lice infestation levels decrease with deeper ‘snorkel’ barriers in Atlantic salmon sea-cages
Frode Oppedal, Francisca Samsing, Timothy David Dempster, Daniel William Wright, Samantha Bui, Lars Helge Stien
Pest Management Science
73
p. 1935-1943
2017
The effect of thermal acclimation on aerobic scope and critical swimming speed in Atlantic salmon Salmo salar
Malthe Hvas, Ole Folkedal, Albert Imsland, Frode Oppedal
Journal of Experimental Biology
220
p. 2757-2764
2017
Sustained swimming capacity of Atlantic salmon
Malthe Hvas, Frode Oppedal
Aquaculture Environment Interactions
9
p. 361-369
2017
Assessing swimming capacity and schooling behaviour in farmed Atlantic salmon Salmo salar with experimental push-cages
Malthe Hvas, Ole Folkedal, David Solstorm, Tone Vågseth, Jan Olav Fosse, Lars Christian Gansel, Frode Oppedal
Aquaculture
473
p. 423-429
2017
Effects of light source and intensity on sexual maturation, growth and swimming behaviour of Atlantic salmon in sea cages
Tom Johnny Hansen, Per Gunnar Fjelldal, Ole Folkedal, Tone Vågseth, Frode Oppedal
Aquaculture Environment Interactions
p. 193-204
2016
Sea lice infestation level alters salmon swimming depth in sea-cages
Samantha Bui, Frode Oppedal, Lars Helge Stien, Timothy David Dempster
Aquaculture Environment Interactions
8
p. 429-435
2016
The vertebral column and exercise in Atlantic salmon — Regional effects
Frida Solstorm, David Solstorm, Frode Oppedal, Per Gunnar Fjelldal
Aquaculture
461
p. 9-16
2016
Salmon lice (Lepeophtheirus salmonis) development times, body size and reproductive outputs follow universal models of temperature dependence
Francisca Samsing, Frode Oppedal, Sussie Dalvin, Ingrid Askeland Johnsen, Tone Vågseth, Timothy David Dempster
Canadian Journal of Fisheries and Aquatic Sciences
73
p. 1841-1851
2016
Predicting the effectiveness of depth-based technologies to prevent salmon lice infection using a dispersal model
Francisca Samsing, Ingrid Askeland Johnsen, Lars Helge Stien, Frode Oppedal, Jon Albretsen, Lars Asplin, Timothy David Dempster
Preventive Veterinary Medicine
129
p. 48-57
2016
The oxygen threshold for maximal feed intake of Atlantic salmon post-smolts is highly temperature-dependent
Mette Remen, Michael Sievers, Thomas Torgersen, Frode Oppedal
Aquaculture
464
p. 582-592
2016
'Snorkel' sea lice barrier technology reduces sea lice loads on harvest-sized Atlantic salmon with minimal welfare impacts
Lars Helge Stien, Timothy David Dempster, Samantha Bui, Alexis Glaropoulos, Jan Erik Fosseidengen, Daniel W. Wright, Frode Oppedal
Aquaculture
458
p. 29-37
2016
Effect of ectoparasite infestation density and life-history stages on the swimming performance of Atlantic salmon Salmo salar
Samantha Bui, Timothy David Dempster, Mette Remen, Frode Oppedal
Aquaculture Environment Interactions
8
p. 387-395
2016
Not too slow, not too fast: water currents affect group structure, aggression and welfare in postsmolt Atlantic salmon Salmo salar
Frida Solstorm, David Solstorm, Frode Oppedal, Rolf Erik Olsen, Lars Helge Stien, Anders Fernø
Aquaculture Environment Interactions
8
p. 339-347
2016
Critical swimming speed in groups of Atlantic salmon Salmo salar
Mette Remen, Frida Solstorm, Samantha Bui, Klebert Pascal, Tone Vågseth, David Solstorm, Malthe Hvas, Frode Oppedal
Aquaculture Environment Interactions
8
p. 659-664
2016
Early-stage sea lice recruits on Atlantic salmon are freshwater sensitive
Daniel W. Wright, Frode Oppedal, Timothy David Dempster
Journal of Fish Diseases
39
p. 1179-1186
2015
Depth distribution of the amoebic gill disease agent, Neoparamoeba perurans, in salmon sea-cages
Daniel W. Wright, Barbara Nowak, Frode Oppedal, Andrew Bridle, Timothy David Dempster
Aquaculture Environment Interactions
7
p. 67-74
2015
Fast water currents reduce production performance of post-smolt Atlantic salmon Salmo salar
Frida Solstorm, David Solstorm, Frode Oppedal, Anders Fernø, Thomas Fraser, Rolf Erik Olsen
Aquaculture Environment Interactions
7
p. 125-134
2015
Atlantic salmon Salmo salar instantaneously follow vertical light movements in sea cages
Daniel William Wright, Alexis Glaropoulos, David Solstorm, Lars Helge Stien, Frode Oppedal
Aquaculture Environment Interactions
7
p. 61-65
2015
Gone with the flow: Current velocities mediate parasitic infestation of an aquatic host
Francisca Samsing, David Solstorm, Frode Oppedal, Frida Solstorm, Timothy David Dempster
International Journal of Parasitology
45
p. 559-565
2015
Effect of temperature on the metabolism, behaviour and oxygen requirements of Sparus aurata
Mette Remen, Marit A. J. Nederlof, Ole Folkedal, Grethe Beate Thorsheim, Ariadna Sitjà-Bobadilla, Jaume Pérez-Sánchez, Frode Oppedal, Rolf Erik Olsen
Aquaculture Environment Interactions
7
p. 115-123
2015
Effect of water oxygen level on performance of diploid and triploid Atlantic salmon post-smolts reared at high temperature
Tom Johnny Hansen, Rolf Erik Olsen, Lars Helge Stien, Frode Oppedal, Thomas Torgersen, Olav Breck, Mette Remen, Tone Vågseth, Per Gunnar Fjelldal
Aquaculture
435
p. 354-360
2015
Fast water currents reduce production performance of post-smolt Atlantic salmon Salmo salar
Frida Solstorm, David Solstorm, Frode Oppedal, Anders Fernø, Thomas William Kenneth Fraser, Rolf Erik Olsen
Aquaculture Environment Interactions
7
p. 125-134
2014
High host densities dilute sea lice Lepeophtheirus salmonis loads on individual Atlantic salmon, but do not reduce lice infection success
Francisca Samsing, Frode Oppedal, David Johansson, Samantha Bui, Timothy David Dempster
Aquaculture Environment Interactions
6
p. 81-89
2014
Flow fields inside stocked fish cages and the near environment
Lars Gansel, Siri Rackebrandt, Frode Oppedal, Thomas McClimans
Journal of Offshore Mechanics and Arctic Engineering
136
2014
Low intensity light of different colours modifies Atlantic salmon depth use
Lars Helge Stien, Jan Erik Fosseidengen, Morten E. Malm, Harald Sveier, Thomas Torgersen, Daniel William Wright, Frode Oppedal
Aquacultural Engineering
62
p. 42-48
2014
Production performance of Atlantic salmon (Salmo salar L.) postsmolts in cyclic hypoxia, and following compensatory growth
Mette Remen, Turid Synnøve Aas, Tone Vågseth, Thomas Torgersen, Rolf Erik Olsen, Albert Imsland, Frode Oppedal
Aquaculture Research
45
p. 1355-1366
2014
Aplasia of the septum transversum has no effect on plasma biochemistry following an acute hypoxic event in Atlantic salmon
Tom Fraser, Per Gunnar Fjelldal, Tom Johnny Hansen, Frode Oppedal, Rolf Erik Olsen, Tone Vågseth, Mette Remen
Diseases of Aquatic Organisms
111
p. 87-92
2014
The interaction between water currents and salmon swimming behaviour in sea cages
David Johansson, Frida Maria Laursen, Anders Fernø, Jan Erik Fosseidengen, Klebert Pascal, Lars Helge Stien, Tone Vågseth, Frode Oppedal
PLOS ONE
9
2014
Behaviour of European sea bass, Dicentrarchus labrax L., in cages - impact of early life rearing conditions and management
Nikos Papandroulakis, Konstandia Lika, Tore S Kristiansen, Frode Oppedal, Pascal Divanach, Michael Pavlidis
Aquaculture Research
45
p. 1545-1558
2014
Manipulation of farmed Atlantic salmon swimming behaviour through the adjustment of lighting and feeding regimes as a tool for salmon lice control
Benedikt Frenzl, Lars Helge Stien, David J. Cockerill, Frode Oppedal, Randolph H. Richards, Andrew P. Shinn, James Emmanuel Bron, Hervé Migaud
Aquaculture
424-425
p. 183-188
2013
PIT tagged individual Atlantic salmon registrered at static depth positions in a sea cage: Vertical size stratification and implications for fish sampling
Jonatan Nilsson, Ole Folkedal, Jan Erik Fosseidengen, Lars Helge Stien, Frode Oppedal
Aquacultural Engineering
55
p. 32-36
2013
Towards cod without spawning: artificial continuous light in submerged sea-cages maintains growth and delays sexual maturation for farmed Atlantic cod Gadus morhua
Øyvind Johan Korsøen, Timothy David Dempster, Jan Erik Fosseidengen, Ørjan Karlsen, Frode Oppedal, Lars Helge Stien, Tore S Kristiansen
Aquaculture Environment Interactions
3
p. 245-255
2013
Hypoxia tolerance thresholds for post-smolt Atlantic salmon: Dependency of temperature and hypoxia acclimation
Mette Remen, Frode Oppedal, Albert Imsland, Rolf Erik Olsen, Thomas Torgersen
Aquaculture
416
p. 41-47
2013
Group behavioural responses of Atlantic salmon (Salmo salar L.) to light, infrasound and sound stimuli
Samantha Bui, Frode Oppedal, Øyvind Johan Korsøen, Damien Sonny, Timothy David Dempster
PLOS ONE
8
2013
Modelling of Atlantic salmon (Salmo salar L.) behaviour in sea-cages: Using artificial light to control swimming depth
Martin Føre, Timothy David Dempster, Jo Arve Alfredsen, Frode Oppedal
Aquaculture
388
p. 137-146
2013
Hydrodynamic interactions on net panel and aquaculture fish cages: A review
Klebert Pascal, Pål Lader, Lars Gansel, Frode Oppedal
Ocean Engineering
58
p. 260-274
2013
Modifying Atlantic salmon behaviour with light or feed stimuli may improve parasite control techniques
Samantha Bui, Frode Oppedal, Øyvind Johan Korsøen, Timothy David Dempster
Aquaculture Environment Interactions
3
p. 125-133
2013
Salmon Welfare Index Model (SWIM 1.0): a semantic model for overall welfare assessment of caged Atlantic salmon: review of the selected welfare indicators and model presentation
Lars Helge Stien, Marc Bracke, Ole Folkedal, Jonatan Nilsson, Frode Oppedal, Thomas Torgersen, Silje Kittilsen, Paul Johan Midtlyng, Marco Antonio Vindas Alvarado, Øyvind Øverli, Tore S Kristiansen
Reviews in Aquaculture
5
p. 33-57
2013
Vertical distribution and sexual maturation in cage-farming of Atlantic cod (Gadus morhua L.) exposed to natural or continuous light
Ole Fredrik Skulstad, Ørjan Karlsen, Jan Erik Fosseidengen, Tore S Kristiansen, Geir Lasse Taranger, Frode Oppedal
Aquaculture Research
44
p. 903-917
2012
Sea caged Atlantic salmon display size-dependent swimming depth
Ole Folkedal, Lars Helge Stien, Jonatan Nilsson, Thomas Torgersen, Jan Erik Fosseidengen, Frode Oppedal
Aquatic Living Resources
25
p. 143-149
2012
Atlantic salmon (Salmo salar L.) in a submerged sea-cage adapt rapidly to re-fill their swim bladders in an underwater air filled dome
Øyvind Johan Korsøen, Jan Erik Fosseidengen, Tore S Kristiansen, Frode Oppedal, Samantha Bui, Timothy David Dempster
Aquacultural Engineering
51
p. 1-6
2012
Effects of cyclic environmental hypoxia on physiology and feed intake of post-smolt Atlantic salmon: Initial responses and acclimation
Mette Remen, Frode Oppedal, Thomas Torgersen, Albert Imsland, Rolf Erik Olsen
Aquaculture
326-329
p. 148-155
2012
Individual variation in swimming depth and growth in Atlantic salmon 2 (Salmo salar L.) subjected to submergence in sea-cages
Øyvind Johan Korsøen, Timothy David Dempster, Frode Oppedal, Tore S Kristiansen
Aquaculture
334
p. 142-151
2012
Food anticipatory behaviour as an indicator of stress response and recovery in Atlantic salmon post-smolt after exposure to acute temperature fluctuation
Ole Folkedal, Lars Helge Stien, Thomas Torgersen, Frode Oppedal, Rolf Erik Olsen, Jan Erik Fosseidengen, Victoria Anne Braithwaite, Tore S Kristiansen
Physiology and Behavior
105
p. 350-356
2012
Duration of effects of acute environmental changes on food anticipatory behaviour, feed intake, oxygen consumption, and cortisol release in Atlantic salmon parr
Ole Folkedal, Thomas Torgersen, Rolf Erik Olsen, Anders Fernø, Jonatan Nilsson, Frode Oppedal, Lars Helge Stien, Tore S Kristiansen
Physiology and Behavior
105
p. 283-291
2012
Physiological response and mortality caused by scale loss in Atlantic herring
Rolf Erik Olsen, Frode Oppedal, Maria Mikaela Tenningen, Aud Vold
Fisheries Research
129-130
p. 21-27
2012
Skirt around a salmon sea cage to reduce infestation of salmon lice resulted in low oxygen levels
Lars Helge Stien, Jonatan Nilsson, Ernst Morten Hevrøy, Frode Oppedal, Tore S Kristiansen, Andreas Myskja Lien, Ole Folkedal
Aquacultural Engineering
51
p. 21-25
2011
Environmental drivers of Atlantic salmon behaviour in sea-cages: A review
Frode Oppedal, Timothy David Dempster, Lars Helge Stien
Aquaculture
311
p. 1-18
2011
Fluctuating sea-cage environments modify the effects of stocking densities on production and welfare parameters of Atlantic salmon (Salmo salar L.)
Frode Oppedal, Tone Vågseth, Timothy David Dempster, Jon-Erik Juell, David Johansson
Aquaculture
315
p. 361-368
2011
Technical note: Modifying Atlantic salmon (Salmo salar) behaviour to facilitate innovation of parasitic sea lice control techniques
Timothy David Dempster, Tore S Kristiansen, Øyvind Johan Korsøen, Jan Erik Fosseidengen, Frode Oppedal
Journal of Animal Science
89
p. 4281-4285
2010
Habituation rate and capacity of Atlantic salmon (Salmo salar) parr to sudden transitions from darkness to light
Ole Folkedal, Thomas Torgersen, Jonatan Nilsson, Frode Oppedal
Aquaculture
307
p. 170-172
2010
From fright to anticipation: using aversive light stimuli to investigate reward conditioning in large groups of Atlantic salmon (Salmo salar)
Silje Bratland, Lars Helge Stien, Victoria Anne Braithwaite, Jon-Erik Juell, Ole Folkedal, Jonatan Nilsson, Frode Oppedal, Jan Erik Fosseidengen, Tore S Kristiansen
Aquaculture International
18
p. 991-1001
2009
Swimming depth and thermal history of individual Atlantic salmon (Salmo salar L.) in production cages under different ambient temperature conditions
David Johansson, Kari Ruohonen, Jon-Erik Juell, Frode Oppedal
Aquaculture
290
p. 296-303
2009
Long-term culture of Atlantic salmon (Salmo salar L.) in submerged cages during winter affects behaviour, growth and condition
Øyvind Johan Korsøen, Timothy David Dempster, Per Gunnar Fjelldal, Frode Oppedal, Tore S Kristiansen
Aquaculture
296
p. 373-381
2009
Submergence of Atlantic salmon (Salmo salar L.) in commercial scale sea-cages: A potential short-term solution to poor surface conditions
Timothy David Dempster, Øyvind Johan Korsøen, Ole Folkedal, Jon-Erik Juell, Frode Oppedal
Aquaculture
288
p. 254-263
2009
Digestive efficiency, free amino acid pools and quality of growth performance in Atlantic salmon (Salmo salar L.) affected by light regimes and vaccine types
Krisna Rungruangsak-Torrissen, Jan Sunde, Arne Erik Berg, Ulla Nordgarden, Per Gunnar Fjelldal, Frode Oppedal
Fish Physiology & Biochemistry
35
p. 255-272
2007
The influence of the pycnocline and cage resistance on current flow, oxygen flux and swimming behaviour of Atlantic salmon (Salmo salar L.) in production cages
D Johansson, Jon-Erik Juell, Frode Oppedal, Jan Erik Stiansen, K Ruohonen
Aquaculture
265
2007
A video analysis procedure for assessing vertical fish distribution in aquaculture tanks
Lars H. Stien, Silje Bratland, Ivar Austvoll, Frode Oppedal, Tore S. Kristiansen
Aquacultural Engineering
37
p. 115-124
2007
The influence of the pycnocline and cage resistance on current flow, oxygen flux and swimming behaviour of Atlantic salmon (Salmo salar L.) in production cages
David Johansson, Frode Oppedal, Jon-Erik Juell, Jan Erik Stiansen, Kari Ruohonen
Aquaculture
265
p. 271-287
2007
Thermo- and photoregulatory swimming behaviour of caged Atlantic salmon: Implications for photoperiod management and fish welfare
Frode Oppedal, Jon-Erik Juell, David Johansson
Aquaculture
265
p. 70-81
2006
Effect of environmental factors on swimming depth preferences of Atlantic salmon (Salmo salar L.) and temporal and spatial variations in oxygen levels in sea cages at a fjord site
D Johansson, K Ruohonen, A Kiessling, Frode Oppedal, Jan Erik Stiansen, M Kelly, JE Juell
Aquaculture
254
2006
Effect of environmental factors on swimming depth preferences of Atlantic salmon (Salmo salar L.) and temporal and spatial variations in oxygen levels in sea cages at a fjord site
David Johansson, Kari Ruohonen, Anders Kiessling, Frode Oppedal, Jan-Erik Stiansen, Mark Kelly, Jon-Erik Juell
Aquaculture
254
p. 594-605
2006
Photoperiod in seawater influence seasonal growth and chemical composition in autumn sea-transferred Atlantic salmon (Salmo salar L.) given two vaccines
Frode Oppedal, Rolf Erik Olsen, Tom Johnny Hansen, Arne Erik Berg, Geir Lasse Taranger
Aquaculture
254
p. 396-410
2004
Hydroacoustic monitoring of fish in sea cages: target strength (TS) measurements on Atlantic salmon (Salmo salar)
Frank Reier Knudsen, Jan Erik Fosseidengen, Frode Oppedal, Ørjan Karlsen, Egil Ona
Fisheries Research
69
p. 205-209
2003
Growth performance and sexual maturation in diploid and triploid Atlantic salmon (Salmo salar L.) in seawater tanks exposed to continuous light or simulated natural photoperiod
Frode Oppedal, Geir Lasse Taranger, Tom Johnny Hansen
Aquaculture
215
p. 145-162
2003
Submerged light increases swimming depth and reduces fish density of Atlantic salmon Salmo salar L. in production cages
Jon-Erik Juell, Frode Oppedal, Karin Kroon Boxaspen, Geir Lasse Taranger
Aquaculture Research
34
p. 469-477
2003
Seasonally changing metabolism in Atlantic salmon (Salmo salar L.) I – Growth and feed conversion ratio
Ulla Nordgarden, Frode Oppedal, Geir Lasse Taranger, Gro Ingunn Hemre, Tom Johnny Hansen
Aquaculture Nutrition
9
p. 287-293
2003
The effect of artificial light treatment and depth on the infestation of the sea louse Lepeophtheirus salmonis on Atlantic salmon (Salmo salar L.) culture
E.M. Hevrøy, K. Boxaspen, F. Oppedal, G.L. Taranger, J.C. Holm
Aquaculture
220
p. 1-14
2001
Artificial light and season affect vertical distribution and swimming behaviour of post-smolt Atlantic salmon in sea cages
Frode Oppedal, Tom Johnny Hansen, Geir Lasse Taranger
Journal of Fish Biology
58
p. 1570-1584
1999
Growth, osmoregulation and sexual maturation of underyearling Atlantic salmon smolt (Salmo salar L.) exposed to different intensities of continuous light in sea cages
Frode Oppedal, Tom Johnny Hansen, Jon-Erik Juell, Geir Lasse Taranger
Aquaculture Research
30
p. 491-499
1998
Light intensity affects growth and sexual maturation of Atlantic salmon (Salmo salar L.) postsmolts in sea cages
F. Oppedal, G.L. Taranger, Jon-Erik Juell, E. Fosseidengen, T. Hansen
Aquatic Living Resources
10
p. 351-357
1997
Light intensity affects growth and sexual maturation of Atlantic salmon (Salmo salar) postsmolts in sea cages
Frode Oppedal, Geir Lasse Taranger, Jan Erik Fosseidengen, Jon-Erik Juell, Tom Johnny Hansen
Aquatic Living Resources
10
p. 351-357
2024
Biologiske utfordringer i Havbruk til Havs – status i pågående forskning
Oppedal, Frode
2024
Faste. Ikke vær redd for å faste laksen din! - men vær redd hvis laksen frivillig faster...
Frode Oppedal, Lars Helge Stien, Malthe Hvas
2024
Erfaringer med FoU-tillatelser og FHF prosjekter
Ole Folkedal, Lars Helge Stien, Frode Oppedal
2024
AutoSOP – Utvikling av referansestandard for automatisk lusetelling
Ole Folkedal, Ingar Stian Nerbø, Velimir Nola, Luke Barrett, Frode Oppedal, Samantha Bui
2023
Dybdebasert forebygging mot lus – effektivitet og velferd ved bruk av skjørt, snorkel og nedsenkning satt i perspektiv mot dagens avlusing
Oppedal, Frode
2023
Salmon lice preventative technology - fact finding studies from small to large scale
Frode Oppedal, Lars Helge Stien, Tina Marie Wier Oldham, Samantha Bui, Luke T. Barrett
2023
Presence of salmon impact behaviour and survival of cleaner fish in sea-cages
Nina Sandlund, Johanne Kleppe, Lars Helge Stien, Frode Oppedal, Lena Geitung
2023
Biological premises for salmon offshore farming
Frode Oppedal, Malthe Hvas, Ole Folkedal
2023
The adaptability of Atlantic salmon Salmon salar to novel turbulent environments
Emma Barbier, Malthe Hvas, Frode Oppedal
2023
Fiskevelferds-forskning på sjøanleggene
Ole Folkedal, Frode Oppedal
2023
Forskningsfronten: Lakselusens biologi og effekter av skjerming og ny merdteknologi.
Oppedal, Frode
2023
Monitoring salmon with broad band echo sounders – investigate acoustic parameters as indicators for welfare
Tonje Nesse Forland, Maren F. Rong, Frode Oppedal, Rune Øyerhamn, Geir Pedersen
2023
Interactions between the salmon and their sea cage rearing environment
Ole Folkedal, Frode Oppedal
2023
Fiskens mestringsevne for eksponerte forhold
Ole Folkedal, Malthe Hvas, Frode Oppedal
2022
Nedsenkning av laks med luftkuppel fra forsøk til kommersiell drift
Frode Oppedal, Ole Folkedal, Fletcher Warren-Myers, Tim Dempster, Lars Helge Stien
2022
Hva nå? Eksponert oppdrett fra et biologisk standpunkt
Frode Oppedal, Ole Folkedal, Malthe Hvas
2022
Fordeler og ulemper med nedsenket lakseoppdrett
Ole Folkedal, Frode Oppedal
2022
Echofeeding
Ole Folkedal, Jan Erik Fosseidengen, Lars Helge Stien, Frode Oppedal
2022
Monitoring salmon with broad band echo sounders – investigate acoustic parameters as indicators for welfare
Maren F. Rong, Frode Oppedal, Geir Pedersen, Nils Olav Handegard, Tonje Nesse Forland
2022
Miljø, lus og velferd i ny merdteknologi
Frode Oppedal, Lars Helge Stien, Samantha Bui, Luke Barrett, Tina Marie Wier Oldham
2022
Physical prevention of sealice
Frode Oppedal, Lars Helge Stien, Samantha Bui, Tina Marie Wier Oldham, Luke Barrett
2022
Fish welfare in new aquaculture contexts – challenges for and contributions from marine technology
Frode Oppedal, Malthe Hvas, Ole Folkedal
2022
Dyp drift - teknologi på biologiens premisser
Trude Olafsen, Frode Oppedal
2022
Dyp drift - forebyggende løsning mot lus
Trude Olafsen, Frode Oppedal
2022
Dyp drift
Arnstein Hosaas, Frode Oppedal
2022
Erfaringer fra nedsenkbare løsninger
Tronn-Ove øren, Frode Oppedal
2021
Laksens tålegrenser for havbruk til havs
Frode Oppedal, Malthe Hvas, Ole Folkedal
2021
Hvor mye vannstrøm tåler laks og rensefisk
Frode Oppedal, Ole Folkedal, Malthe Hvas
2021
Fish welfare implications of prolonged fasting periods in Atlantic salmon
Malthe Hvas, Ole Folkedal, Frode Oppedal, Lars Helge Stien
2021
Fish welfare in exposed farming
Ole Folkedal, Malthe Hvas, Frode Oppedal
2021
Sulting av laks – en positiv historie
Lars Helge Stien, Malthe Hvas, Frode Oppedal
2021
Vekst er mer enn kilo og gram
Ole Folkedal, Lars Helge Stien, Frode Oppedal, Malthe Hvas, Jonatan Nilsson
2020
Merdmiljø og rensefisk – forskningsresultater og analyser
Frode Oppedal, Luke Barrett, Kathy Overton, Tim Dempster, Malthe Hvas, Jeffrey William Yuen, Lena Geitung, Daniel William Wright, Lars Helge Stien, Ole Folkedal
2019
Kan fiskevelferd sikres langt til havs?
Malthe Hvas, Ole Folkedal, Frode Oppedal
2018
Feasibility of reducing lice infestations on farmed salmon using an airdome for swim bladder refilling during continuous submergence.
Frode Oppedal, Ole Folkedal, Jonatan Nilsson, Lars Helge Stien, Timothy David Dempster, Jan Olav Fosse, Tone Vågseth
2018
Examples of alternative preventative methods on sealice control.
Oppedal, Frode
2018
Forutsigbar utvikling av lakselus ved ulike temperaturer
Lars Are Hamre, Samantha Bui, Frode Oppedal, Rasmus Skern-Mauritzen, Sussie Dalvin
2018
The use of swim tunnel studies in defining environmental thresholds for Atlantic salmon and cleanerfish in exposed Aquaculture
Malthe Hvas, Ole Folkedal, Frode Oppedal
2018
Lakselus biologi og reproduksjon
Sussie Dalvin, Samantha Bui, Lars Are Hamre, Frode Oppedal
2018
Post infection development of Lepeophtheirus salmonis in temperatures from 3°C to 24°C
Lars Are Hamre, Samantha Bui, Frode Oppedal, Rasmus Skern, Sussie Dalvin
2018
Quantification of salmon lice larvae in the plankton
Samantha Bui, Rasmus Skern-Mauritzen, Mark Fordyce, Bengt Finstad, Frode Fassøy, Gunnvør Norði a, Tone Vågseth, Frode Oppedal
2018
Bruk av undervanns luftkuppel for oppdrett av laks i nedsenkte merder
Frode Oppedal, Ole Folkedal, Jonatan Nilsson, Lars Helge Stien, Timothy David Dempster, Tone Vågseth
2017
Fluidpermeabelt luseskjørt og fiskevelferd i oppdrett av atlantisk laks (Salmo Salar L.) i Nord-Norge
Mattias Bendiksen Lind, Lars Helge Stien, Frode Oppedal, Tore Seternes
2017
EFFICIENCY OF SEA LICE PREVENTION TECHNOLOGIES IN A COMMERCIAL SETTING: SALMON WELFARE, INFESTATION LEVELS, AND TREATMENT FREQUENCIES.
Samantha Bui, Henrik Trengereid, Frode Oppedal
2017
Hvilke velferdsindikatorer skal brukes i ulike anleggskonsepter for lakseoppdrett?
Kristoffer Vale Nielsen, Chris Noble, Kristine Gismervik, Cecilie Marie Mejdell, Jonatan Nilsson, Jelena Kolarevic, Lars Helge Stien, Martin Haugmo Iversen, James F. Turnbull, Bjørn-Steinar Sæther, Åsa Maria Olofsdotter Espmark, Kjell Øyvind Midling, David Izquierdo-Gomez, Tore S Kristiansen, Thomas Torgersen, Frode Oppedal, Ole Folkedal, Malthe Hvas, Daniel William Wright, Kristian Ellingsen
2017
La laksen fôre "seg selv"!
Ole Folkedal, Gunvar Mikkelsen, Jan Erik Fosseidengen, Velimir Nola, Jonatan Nilsson, Anders Fernö, Timothy David Dempster, Lars Helge Stien, Frode Oppedal
2017
Thresholds for hypoxia and water current in salmon production
Frode Oppedal, Malthe Hvas, Frida Solstorm, David Solstorm, Tina Oldham, Ole Folkedal, Lars Helge Stien
2017
The gill parasite Paramoeba perurans compromises aerobic scope and swimming capacity in Atlantic salmon Salmo salar
Frode Oppedal, Malthe Hvas, Egil Karlsbakk
2017
Velferdsindikatorer for laks og regnbueørret (FISHWELL)
Jonatan Nilsson, Lars Helge Stien, Tore S Kristiansen, Ole Folkedal, Frode Oppedal, Thomas Torgersen, Malthe Hvas, Daniel W Wrigth, Chris Noble, Jelena Kolarevic, Kristine Gismervik, James F. Turnbull
2017
Network Analysis: Network Analysis: A key tool to investigate and manage connectivity of the salmon louse
Fransisca Samsing, Ingrid Askeland Johnsen, Frode Oppedal, Tim Dempster, Eric A. Treml
2017
Network Analysis A key tool to inves-gate and manage connec-vity of the salmon louse
Fransisca Samsing, Ingrid Askeland Johnsen, Frode Oppedal, Sussie Dalvin, Tim Dempster, Eric A. Treml
2017
Temperature and Development of Lepeophtheirus salmonis: Implications for management of the parasite
Sussie Dalvin, Samantha Bui, Francisca Samsing, Frode Oppedal, Tone Vågseth, Rasmus Skern-Mauritzen, Ingrid Askeland Johnsen, T Dempster, Lars Are Hamre
2017
Lakselus og tilpasninger til temperatur
Sussie Dalvin, Samantha Bui, Frode Oppedal, Rasmus Skern-Mauritzen, Tone Vågseth, Daniel William Wright, Lars Are Hamre, Lars Helge Stien, Francisca Samsing, Timothy David Dempster, Kathy Overton
2017
Atlantic salmon behaviour and susceptibility to sea lice
Samantha Bui, Timothy David Dempster, Frode Oppedal
2016
Premisser for merdteknologi – lytter vi til "brukerens" krav til vannstrøm for god vekst og velferd på eksponerte lokaliteter?
Ole Folkedal, Malthe Hvas, David Solstorm, Frida Solstorm, Mette Remen, Frode Oppedal
2016
Hva er akseptabel vannstrøm for laks i merder?
Frode Oppedal, David Solstorm, Frida Solstorm, Mette Remen
2016
Håndtering av lakselus ved høye og lave temperaturer
Sussie Dalvin, Francisca Samsing, Frode Oppedal, Ingrid Askeland Johnsen, Tone Vågseth, Tim Dempster
2016
Behaviour of Atlantic salmon in response to sea lice
Samantha Bui, Timothy David Dempster, Frode Oppedal
2016
Snorkelmerder mot påslag av lakselus.
Frode Oppedal, Lars Helge Stien, Timothy David Dempster
2016
Snorkelmerd – status.
Frode Oppedal, Lars Helge Stien, Timothy David Dempster
2016
Hva er akseptabel vannstrøm for laks i merder?
Oppedal, Frode
2016
Merdmiljø, laks og pittelitt lus.
Oppedal, Frode
2016
Temperaturens betydning for utvikling av lakselus larver.
Frode Oppedal, Sussie Dalvin, Fransisca Samsing, Ingrid Askeland Johnsen, Lars Helge Stien, Timothy David Dempster, Tone Vågseth
2016
Dødelighet av ulik tid med ferskvannseksponering på alle stadier av lakselus.
Frode Oppedal, Daniel William Wright, Timothy David Dempster
2016
Hva er akseptabel vannstrøm for laks i merder?
Frode Oppedal, David Solstorm, Frida Solstorm, Mette Remen, Malthe Hvas, Ole Folkedal
2016
The effectiveness of snorkel sea lice barrier technology increase with depth. Sea Lice control
Lars Helge Stien, Timothy David Dempster, Fransisca Samsing, Daniel William Wright, Samantha Bui, Frode Oppedal
2016
Predicting the effectiveness of depth-based technologies to prevent salmon lice infection using a dispersal model.
Fransisca Samsing, Ingrid Askeland Johnsen, Lars Helge Stien, Frode Oppedal, Jon Albretsen, Lars Asplin, Timothy David Dempster
2016
Snorkel cages mitigate sea lice infestation.
Frode Oppedal, Timothy David Dempster, Fransisca Samsing, Daniel William Wright, Samantha Bui, Lars Helge Stien
2015
Dyptsvømmende laks får mindre lus. Muligheter for og utfordringer med å holde laksen dypt. Erfaringer med snorkelmerd.
Oppedal, Frode
2015
Snorkel merd reduserer lusepåslag i små og store merder.
Frode Oppedal, Timothy David Dempster, Samantha Bui, Daniel William Wright, Tone Vågseth, Jan Erik Fosseidengen, Lars Helge Stien
2015
Tubenot/ snorkelmerd.
Lars Helge Stien, Timothy David Dempster, Frode Oppedal
2015
Kan dype lys og undervannsfôring benyttes for reduksjon av lusepåslag i merder?
Oppedal, Frode
2015
FÔRDOM - Luftkuppel, not-tak og undervannsfôring for oppdrett av laks unna overflatevannet.
Oppedal, Frode
2015
Undervannsmerd - Laksens svømmeblære og oppdrett av laks unna overflaten
Oppedal, Frode
2015
Depth distribution of amoeba within cage and effects of freshwater treatments.
Frode Oppedal, Timothy David Dempster, Lars Helge Stien, Barbara Nowak, Daniel William Wright
2014
Go With the flow: Manipulating flow hydrodynamics to reduce infestation Levels with sea lice Lepeophtheirus salmonis in farmed Atlantic salmon
fransisca samsing, Frode Oppedal, David Solstorm, Timothy David Dempster
2014
Deformation of a large fish cage in high currents.
Klebert Pascal, Per Christian Endresen, Per Rundtop, Oystein Patursson, Heini Winthereig Rasmussen, David Johansson, Frode Oppedal
2014
Svakt lys holder laksen dypt, sterkt lys gir best vekst.
Frode Oppedal, Tom Johnny Hansen, Per Gunnar Fjelldal, Ole Folkedal, Morten Malm, Harald Sveier, Thomas Torgersen, Lars Helge Stien
2014
Drag og deformasjon på oppdrettsmerder i sjøen.
Lars Gansel, Frode Oppedal
2014
Vannström: hvordan påverkar den laksoppdrett på sjøen?
David Johansson, Frida Maria Laursen, Anders Fernø, Jan Erik Fosseidengen, Klebert Pascal, Lars Helge Stien, Tone Vågseth, Frode Oppedal
2014
Effect of water currents on postsmolt Atlantic salmon (Salmo salar).
Frida Maria Laursen, David Johansson, Frode Oppedal, Anders Fernø, Thomas Fraser, Rolf Erik Olsen
2014
Oksygentoleranse hos postsmolt laks; Effekt av temperatur og akklimering.
Mette Remen, Rolf Erik Olsen, Albert Imsland, Thomas Torgersen, Frode Oppedal
2014
Snorkelmerd gir bærekraftig reduksjon av lusepåslag.
Lars Helge Stien, Timothy David Dempster, Samantha Bui, Frode Oppedal
2014
Snorkel mot lus.
Frode Oppedal, Timothy David Dempster, Samantha Bui, Daniel William Wright, Jan Erik Fosseidengen, Lars Helge Stien
2014
Use of artificial light (LL) to prevent sexual maturation and increase growth in salmon sea cages.
Frode Oppedal, Per Gunnar Fjelldal, Tom Johnny Hansen, Thomas Torgersen, Ole Folkedal
2014
Hypoksi i lakseoppdrett - Praktiske konsekvenser.
Frode Oppedal, Ole Folkedal, Lars Helge Stien, Thomas Torgersen, David Johansson, Rolf Erik Olsen, Mette Remen
2014
Use of artificial light (LL) to prevent sexual maturation and increase growth in salmon sea cages.
Frode Oppedal, Per Gunnar Fjelldal, Tom Johnny Hansen, Thomas Torgersen, Ole Folkedal
2014
Responses of caged salmon to farm environment.
Frode Oppedal, David Johansson, Frida Maria Laursen, Mette Remen, Ole Folkedal, Jonatan Nilsson, Lars Gansel, Øyvind Johan Korsøen, Timothy David Dempster, Lars Helge Stien
2014
Pushing cages allows field investigations under controlled flow conditions.
Frode Oppedal, Lars Gansel
2014
Snorkel Sea cages - host-parasite mismatch reduces sea lice infestation in farmed salmon through snorkel cage designs.
Frode Oppedal, Timothy David Dempster, Samantha Bui, Daniel William Wright, Jan Erik Fosseidengen, Lars Helge Stien
2014
Mismatching host and parasite depth
Lars Helge Stien, Tim Dempster, Samantha Bui, Daniel William Wright, Jan Erik Fosseidengen, Frode Oppedal
2013
Snorkel project
Lars Helge Stien, Frode Oppedal
2013
Water current; a directive factor for salmon behaviour in sea cages
David Johansson, Frida Maria Laursen, Anders Fernö, Lars Helge Stien, Jan Erik Fosseidengen, Frode Oppedal, Tone Vågseth, Klebert Pascal
2013
Effect of water currents on postsmolt Atlantic salmon, Salmo salar
Frida Maria Laursen, David Johansson, Rolf Erik Olsen, Frode Oppedal, Anders Fernö
2013
Reduced lice infestation in salmon held in modified cages: The use of ‘snorkels’ to manipulate swimming depth
Frode Oppedal, Lars Helge Stien, Øyvind Johan Korsøen, Samantha Bui, Timothy David Dempster
2012
Metabolisme, fôrinntak, fordøyelse og vekst hos laksepostsmolt i syklisk hypoksi.
Mette Remen, Rolf Erik Olsen, Albert Imsland, Frode Oppedal
2012
Får oppdrettslaks nok oksygen i merdene?
Mette Remen, Thomas Torgersen, Rolf Erik Olsen, Albert Imsland, Turid Synnøve Aas, Frode Oppedal
2011
SWIM - Salmon welfare index model
Tore S Kristiansen, Lars Helge Stien, Marc Bracke, Ole Folkedal, Anders Kiessling, Silje Kittilsen, Paul Johan Midtlyng, Jonatan Nilsson, Frode Oppedal, Øyvind Øverli
2011
Overall Welfare Assessment of Atlantic Salmon in Sea Cages - SWIM 1.0
Lars Helge Stien, Marc Bracke, Ole Folkedal, Silje Kittilsen, Paul Johan Midtlyng, Jonatan Nilsson, Frode Oppedal, Thomas Torgersen, Øyvind Øverli, Tore S Kristiansen
2011
Nyheter fra forskningsprosjektet Topilouse
Randi Grøntvedt, Erik Høy, Pascal Klebert, Frode Oppedal, Daniel Delgado Jimenez, Peter Andreas Heuch
2010
Periodisk hypoksi i laksemerder.
Mette Remen, Rolf Erik Olsen, Thomas Torgersen, Frode Oppedal
2010
SWIM - Salmon Welfare Index Model
Lars Helge Stien, Marc Bracke, Anders Kiessling, Silje Kittilsen, Paul Johan Midtlyng, Frode Oppedal, Øyvind Øverli, Tore S Kristiansen
2009
Stressrespons og habituering til fluktuerende hypoksi hos laks i sjøvann.
Mette Remen, Rolf Erik Olsen, Frode Oppedal
2009
Habituation and acclimation of Atlantic salmon Salmo salar L. subjected to fluctuating hypoxia.
Mette Remen, Frode Oppedal, Rolf Erik Olsen
1998
Light intensity affects growth and sexual maturation of Atlantic salmon (Salmo salar L.) postsmolts in sea cages
F. Oppedal, G.L. Taranger, Jon-Erik Juell, T. Hansen