2024
Evaluating a crowding intensity scale and welfare indicators for Atlantic salmon in sea cages
Lars Helge Stien, Jonatan Nilsson, Christopher Noble, David Izquierdo-Gomez, Elisabeth Ytteborg, Gerrit Timmerhaus, Angelico Madaro
Aquaculture Reports
37
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
Comparing physiological responses of acute and chronically stressed diploid and triploid Atlantic salmon (Salmo salar)
Angelico Madaro, Floriana Lai, Per Gunnar Fjelldal, Tom Johnny Hansen, Virginie Gelebart, Brynjar Muren, Ivar Rønnestad, Rolf-Erik Olsen, Lars Helge Stien
Aquaculture Reports
36
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
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
2022
Warm water treatment increased mortality risk in salmon
Samantha Bui, Angelico Madaro, Jonatan Nilsson, Per Gunnar Fjelldal, Martin Haugmo Iversen, Monica Fengsrud Brinchmann, Birger Venås, Merete Bjørgan Schrøder, Lars Helge Stien
Veterinary and Animal Science
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
2022
Thaw rigor in Atlantic salmon (Salmo salar) fillets, as affected by thawing rate and frozen storage time
Bjørn Tore Rotabakk, Lars Helge Stien, Torstein Skåra
Lebensmittel-Wissenschaft + Technologie
167
p. 1-7
2022
Increasing Dip Net Mesh Size Results in More Fin Splits in Post-Smolt Atlantic Salmon (Salmo salar)
Lene Moltumyr, Lars Helge Stien, Angelico Madaro, Jonatan Nilsson
Journal of Applied Animal Welfare Science
2022
Acute stress response on Atlantic salmon: a time-course study of the effects on plasma metabolites, mucus cortisol levels, and head kidney transcriptome profile
Angelico Madaro, Jonatan Nilsson, Paul Whatmore, HyeongJin Roh, Søren Grove, Lars Helge Stien, Rolf Erik Olsen
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
A comparison of triploid and diploid Atlantic salmon (Salmo salar) performance and welfare under commercial farming conditions in Norway
Angelico Madaro, Sissel Kjøglum, Tom Johnny Hansen, Per Gunnar Fjelldal, Lars Helge Stien
Journal of Applied Aquaculture
2021
Triploidy leads to a mismatch of smoltification biomarkers in the gill and differences in the optimal salinity for post-smolt growth in Atlantic salmon
Raneesha de Fonseka, Per Gunnar Fjelldal, Florian Sambraus, Tom Ole Nilsen, Sofie C. Remø, Lars Helge Stien, Helena Reinardy, Angelico Madaro, Tom Johnny Hansen, Thomas Fraser
Aquaculture
546
2021
Long-term welfare effects of repeated warm water treatments on Atlantic salmon (Salmo salar)
Lene Moltumyr, Jonatan Nilsson, Angelico Madaro, Tore Seternes, Fredrik Agerup Winger, Ivar Rønnestad, Lars Helge Stien
Aquaculture
548
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
Minding the Gaps in Fish Welfare: The Untapped Potential of Fish Farm Workers
Christian Medaas, Marianne Elisabeth Lien, Kristine Gismervik, Tore S. Kristiansen, Tonje Osmundsen, Kristine Vedal Størkersen, Brit Tørud, Lars Helge Stien
Journal of Agricultural and Environmental Ethics
34
p. 1-22
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
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
Fish protection during fish production. Organizational conditions for fish welfare
Kristine Vedal Størkersen, Tonje Cecilie Osmundsen, Lars Helge Stien, Christian Medaas, Marianne Elisabeth Lien, Brit Tørud, Tore S Kristiansen, Kristine Gismervik
Marine Policy
129
2020
Triploid Atlantic salmon Salmo salar have a higher dietary phosphorus requirement for bone mineralization during early development
Florian Sambraus, Tom Johnny Hansen, Britt Sværen Daae, Anders Thorsen, Roar Sandvik, Lars Helge Stien, Thomas Fraser, Per Gunnar Fjelldal
Journal of Fish Biology
97
p. 137-147
2020
Does the thermal component of warm water treatment inflict acute lesions on Atlantic salmon (Salmo salar)?
Lene Moltumyr, Kristine Gismervik, Jinni Gu, Siri Kristine Gåsnes, Tore S Kristiansen, Ivar Rønnestad, Jonatan Nilsson, Lars Helge Stien
Aquaculture
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
Is it advantageous for Atlantic salmon to be triploid at lower temperatures?
Erling Nilsen Riseth, Thomas Fraser, Florian Sambraus, Lars Helge Stien, Malthe Hvas
Journal of Thermal Biology
89
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
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
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
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
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
Comparison of Norwegian health and welfare regulatory frameworks in salmon and chicken production
Kristine Gismervik, Brit Tørud, Tore S Kristiansen, Tonje Cecilie Osmundsen, Kristine Vedal Størkersen, Christian Medaas, Marianne Elisabeth Lien, Lars Helge Stien
Reviews in Aquaculture
p. 1-15
2020
The metabolic rate response to feed withdrawal in Atlantic salmon post-smolts
Malthe Hvas, Lars Helge Stien, Frode Oppedal
Aquaculture
529
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
Governing the welfare of Norwegian farmed salmon: three conflict cases
Lars Helge Stien, Brit Tørud, Kristine Gismervik, Marianne Elisabeth Lien, Christian Medaas, Tonje Cecilie Osmundsen, Tore S Kristiansen, Kristine Vedal Størkersen
Marine Policy
117
2020
Genetic variation in growth pattern within a population of farmed Atlantic salmon (Salmo salar) during a standard production cycle
Ingunn Thorland, Jørn Thodesen, Terje Refstie, Ole Folkedal, Lars Helge Stien, Jonatan Nilsson, Rudi Ripman Seim, Tore S Kristiansen, Morten Rye
Aquaculture
518
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
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
Thermal injuries in Atlantic salmon in a pilot Laboratory trial
Kristine Gismervik, Siri Kristine Gåsnes, Jinni Gu, Lars Helge Stien, Angelico Madaro, Jonatan Nilsson
Veterinary and Animal Science
8
p. 1-8
2019
Sudden exposure to warm water causes instant behavioural responses indicative of nociception or pain in Atlantic salmon
Jonatan Nilsson, Lene Moltumyr, Angelico Madaro, Tore S Kristiansen, Siri Kristine Gåsnes, Cecilie Marie Mejdell, Kristine Gismervik, Lars Helge Stien
Veterinary and Animal Science
8
p. 1-8
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
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
Automatic segmentation method for live fish eggs microscopic image analysis
Yane Duan, Daoliang Li, Lars Helge Stien, Zetian Fu, Daniel William Wright, Yongping Gao
Aquacultural Engineering
85
p. 49-55
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
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
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
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
2018
Functional amino acids stimulate muscle development and improve fillet texture of Atlantic salmon
Tone-Kari K Østbye, Bente Ruyter, Inger Beate Standal, Lars Helge Stien, Diane Bahuaud, Jens-Erik Dessen, Muhammad Saqib Latif, Bendik Fyhn Terjesen, Kjell-Arne Rørvik, Turid Mørkøre
Aquaculture Nutrition
24
p. 14-26
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 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
Consistent melanophore spot patterns allow long-term individual recognition of Atlantic salmon Salmo salar
Lars Helge Stien, Jonatan Nilsson, Samantha Bui, Jan Erik Fosseidengen, Tore S Kristiansen, Øyvind Øverli, Ole Folkedal
Journal of Fish Biology
91
p. 1699-1712
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
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
Distinguishing Arctic charr with different stress coping styles by visual screening of spottiness ? reliability and consistency over time
Eva Brännäs, Tobias Backström, Jan Erik Nilsson, Hanna Carlberg, Lars Helge Stien, Carin Magnhagen
Journal of Zoology
300
p. 213-220
2016
On-farm evaluation of the Salmon Welfare Index Model (SWIM 1.0) - Theoretical and practical considerations
Ole Folkedal, Jostein Mulder Pettersen, Marc Bernardus Maria Bracke, Lars Helge Stien, Jonatan Nilsson, Catarina I.M. Martins, Olav Breck, Paul Midtlyng, Tore S Kristiansen
Animal Welfare
25
p. 135-149
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
Effects of age and rearing environment on genetic parameters of growth and body weight and heritability of skin pigmentation in Arctic charr (Salvelinus alpinus L.)
J. Nilsson, T. Bäckström, Lars Helge Stien, H. Carlberg, Henrik Jeuthe, C. Magnhagen, E. Brännäs
Aquaculture
453
p. 67-72
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
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
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
An automatic counting system for transparent pelagic fish eggs based on computer vision
Yane Duan, Lars Helge Stien, Anders Thorsen, Ørjan Karlsen, Nina Sandlund, Daoliang Li, Zetian Fu, Sonnich Meier
Aquacultural Engineering
67
p. 8-13
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
Effects of filleting method, stress, storage and season on the quality of farmed Atlantic cod (Gadus morhua L.)
Gaute Jørpeland, Albert Imsland, Lars Helge Stien, Hogne Bleie, Bjørn Roth
Aquaculture Research
46
p. 1597-1607
2014
The effect of stunning methods and season on muscle texture hardness in Atlantic salmon (Salmo salar L.)
Grigory Merkin, Lars Helge Stien, Karin Pittman, Ragnar Nortvedt
Journal of Food Science
79
p. E1137-E1141
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
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
Effect of blood removal protocol and superchilling on quality parameters of prerigor filleted farmed atlantic cod (Gadus morhua)
Bjørn Tore Rotabakk, Hogne Bleie, Lars Helge Stien, Bjørn Roth
Journal of Food Science
79
p. E881-E886
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
2014
Coping with unpredictability: Dopaminergic and neurotrophic responses to omission of expected reward in Atlantic salmon (Salmo salar L.)
Marco Antonio Vindas, Christina Sørensen, Ida Beitnes Johansen, Ole Folkedal, Erik Höglund, Uniza Wahid Kahn, Lars Helge Stien, Tore S Kristiansen, Bjarne Olai Braastad, Øyvind Øverli
PLOS ONE
9
2014
Soft texture of Atlantic salmon fillets is associated with glycogen accumulation
Jacob Torgersen, Erling Olaf Koppang, Lars Helge Stien, Achim Kohler, Mona Elisabeth Pedersen, Turid Mørkøre
PLOS ONE
9
2014
Salmon welfare index model 2.0: an extended model for overall welfare assessment of caged Atlantic salmon, based on a review of selected welfare indicators and intended for fish health professionals
Jostein Mulder Pettersen, Marc Bracke, Paul Johan Midtlyng, Ole Folkedal, Lars Helge Stien, Håvard Steffenak, Tore S Kristiansen
Reviews in Aquaculture
6
p. 162-179
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
Digital image analysis as a tool to quantify gaping and morphology in smoked salmon slices
Grigory Merkin, Lars Helge Stien, Karin Pittman, Ragnar Nortvedt
Aquacultural Engineering
54
p. 64-71
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
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
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
From fright to anticipation: Reward conditioning versus habituation to a moving dip net in farmed Atlantic cod (Gadus morhua)
Jonatan Nilsson, Lars Helge Stien, Jan Erik Fosseidengen, Rolf Erik Olsen, Tore S Kristiansen
Applied Animal Behaviour Science
138
p. 118-124
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
Crowding, pumping and stunning of Atlantic salmon, the subsequent effect on pH and rigor mortis
Bjørn Roth, Endre Grimsbø, Erik Slinde, Atle Foss, Lars Helge Stien, Ragnar Nortvedt
Aquaculture
326-329
p. 178-180
2012
Omission of expected reward agitates Atlantic salmon (Salmo salar)
Marco Vindas, Ole Folkedal, Tore S Kristiansen, Lars Helge Stien, Bjarne Olai Braastad, Ian Mayer, Øyvind Øverli
Animal Cognition
15
p. 903-911
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
Voluntary responses and limits of tolerance to pressure reduction and swimbladder expansion in farmed Atlantic cod
Tore S Kristiansen, Lars Helge Stien, Jan Erik Fosseidengen, Espen Strand, Jon-Erik Juell
Aquaculture International
19
p. 625-636
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
2010
The influence of anaerobic muscle activity, maturation and season on the flesh quality of farmed turbot
Bjørn Roth, Albert Imsland, Lars Helge Stien, Rian Schelvis-Smit, Snorri Gunnarsson, Atle Foss
Aquaculture International
18
p. 461-474
2010
Electrical stimulation of Atlantic salmon muscle and the effect on flesh quality
Bjørn Roth, Ragnar Nortvedt, Erik Slinde, Atle Foss, Endre Grimsbø, Lars Helge Stien
Aquaculture
301
p. 85-90
2010
Learning and anticipatory behaviour in a "sit-and-wait" predator: The Atlantic halibut
Jonatan Nilsson, Tore S. Kristiansen, Jan Erik Fosseidengen, Lars Helge Stien, Anders Fernø, Ruud van den Bos
Behavioural Processes
83
p. 257-266
2009
Different dietary levels of protein to lipid ratio affected digestive efficiency, skeletal growth, and muscle protein in rainbow trout families. Scholarly Research Exchange, Vol. 2009 (2009), Article ID 709529, 13 pages. http://www.hindawi.com/archive//2009/709529/abs/
Krisna Rungruangsak-Torrissen, Lars Helge Stien, Britt Sværen Daae, Tone Vågseth, Grethe Beate Thorsheim, Declan Tobin, Ossi Ritola
Advances in Civil Engineering
2009
2008
Image analysis as a tool to facilitate selective breeding of quality traits in rainbow trout
Antti Kause, Lars Helge Stien, Krisna Rungruangsak-Torrissen, Ossi Ritola, Kari Ruohonen, Anders Kiessling
Livestock Science
114
p. 315-324
2008
Image analysis as a tool to facilitate selective breeding of quality traits in rainbow trout
Antti Kause, Lars Helge Stien, Krisna Rungruangsak-Torrissen, Ossi Ritola, Kari Ruohonen, Anders Kiessling
Livestock Science
114
p. 315-324
2007
Rapid estimation of fat content in salmon fillets by colour image analysis
Lars Helge Stien, Anders Kiessling, Fredrik Manne
Journal of Food Composition and Analysis
20
p. 73-79
2007
Rapid estimation of fat content in salmon fillets by colour image analysis
Lars Helge Stien, Anders Kiessling, Fredrik Manne
Journal of Food Composition and Analysis
20
p. 73-79
2007
Exsanguination of turbot and the effect on fillet quality measured mechanically, by sensory evaluation, and with computer vision
Bjørn Roth, R. Schelvis, Lars Helge Stien, Atle Foss, Ragnar Nortvedt, Albert Imsland
Journal of Food Science
72
p. E525-E531
2006
Effect of pre- and post-mortem temperature on rigor in Atlantic salmon muscle as measured by four different techniques
Anders Kiessling, Lars Helge Stien, Øivind Torslett, Jorma Suontama, Erik Slinde
Aquaculture
259
p. 390-402
2006
Image analysis as a tool to quantify rigor contraction in pre-rigor-filleted fillets
Lars Helge Stien, Jorma Suontama, Anders Kiessling
Computers and Electronics in Agriculture
50
p. 109-120
2006
Automated image analysis as a tool to quantify the colour and composition of rainbow trout (Oncorhynchus mykiss W.) cutlets
Lars Helge Stien, Fredrik Manne, Kari Ruohonen, Antti Kause, Krisna Rungruangsak-Torrissen, Anders Kiessling
Aquaculture
261
p. 695-705
2006
Image analysis as a tool to quantify rigor contraction in pre-rigor-filleted fillets
Lars Helge Stien, Jorma Suontama, Anders Kiessling
Computers and Electronics in Agriculture
50
p. 109-120
2006
Effect of pre- and post-mortem temperature on rigor in Atlantic salmon muscle as measured by four different techniques
Anders Kiessling, Lars Helge Stien, Øivind Torslett, Jorma Suontama, Erik Slinde
Aquaculture
259
p. 390-402
2006
Automated image analysis as a tool to quantify the colour and composition of rainbow trout (Oncorhynchus mykiss W.) cutlets
Lars Helge Stien, Kari Ruohonene, Antti Kause, Krisna Rungruangsak-Torrissen, Anders Kiessling, Fredrik Manne
Aquaculture
261
p. 695-705
2005
The effects of stress and storage temperature on the colour and texture of pre-rigor filleted farmed cod (Gadus morhua L.)
Lars Helge Stien, Elisabeth Hirmas, Marit Bjørnevik, Ørjan Karlsen, Ragnar Nortvedt, Anna Maria Bencze Rørå, Jan Sunde, Anders Kiessling
Aquaculture Research
36
p. 1197-1206
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
Velferdsindikatorer for trenging
Stien, Lars Helge
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
Velferdseffekter av skjelltap
Jonatan Nilsson, Lars Helge Stien, Ewa Harasimczuk, Kristine Gismervik, Gerrit Timmerhaus, Hogne Bleie, Angelico Madaro
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
LAKSVEL - Utvikling og evaluering av metode for rutinemessig velferdsovervåking av laks i norske matfiskanlegg
Jonatan Nilsson, Kristoffer Vale Nielsen, Kristine Gismervik, Martin Haugmo Iversen, Jelena Kolarevic, Christopher Noble, Lars Helge Stien, Tore S Kristiansen
2023
Trenging- når er nok nok?-trengeskala og velferdsindikasjoner
Jonatan Nilsson, Lars Helge Stien, Christopher Noble, David Izquierdo-Gomez, Elisabeth Ytteborg, Angelico Madaro
2023
Kan vi bli enige om belastningsgrad?
Stien, Lars Helge
2023
LAKSVEL standardisert operasjonell velferdsovervåking for oppdrettslaks og litt FASTWELL
Stien, Lars Helge
2023
WELFARE SEVERITY 2021-2025 – Industry meets §3
Stien, Lars Helge
2023
Risiko for dødelighet hos oppdrettslaks i sjøfasen
Ole Folkedal, Lars Helge Stien
2023
Welfare severity; status og hva som kommer
Stien, Lars Helge
2023
Effekt på dyrevelferd av gjentatt termisk behandling med ulik delta T
Martin Haugmo Iversen, Tore Seternes, Samantha Bui, Jonatan Nilsson, Angelico Madaro, Deepti Manjari Patel, Monica Fengsrud Brinchmann, Lars Helge Stien
2022
Nedsenkning av laks med luftkuppel fra forsøk til kommersiell drift
Frode Oppedal, Ole Folkedal, Fletcher Warren-Myers, Tim Dempster, Lars Helge Stien
2022
New Welfare Indicators and New Welfare Protocols
Stien, Lars Helge
2022
WELFARE SEVERITY- Presentasjon av prosjekt
Stien, Lars Helge
2022
Effekt på dyrevelferd av gjentatt termisk behandling med ulik dt
Lars Helge Stien, Tore Seternes, Samantha Bui, Jonatan Nilsson, Angelico Madaro, Deepti Manjari Patel, John Björn Sällebrant, Martin Haugmo Iversen
2022
Effekt på dyrevelferd av gjentatt termisk behandling med ulik dt
Lars Helge Stien, Tore Seternes, Samantha Bui, Jonatan Nilsson, Angelico Madaro, Deepti Manjari Patel, John Björn Sällebrant, Martin Haugmo Iversen
2022
LAKSVEL
Jonatan Nilsson, Lars Helge Stien
2022
LAKSVEL - Standardisert operasjonell velferdsovervåking for laks i matfiskanlegg
Jonatan Nilsson, Tore S Kristiansen, Lars Helge Stien, Kristine Gismervik, Kristoffer Vale Nielsen, Martin Haugmo Iversen, Christopher Noble, Jelena Kolarevic, Hilde Frotjold, Kathrine Nilsen, Eirik Wilkinson, Klakegg Barbo, Hege Sørvåg Hauge, Per Anton Sæther
2022
LAKSVEL - Utvikling og evaluering av metode for rutinemessig velferdsovervåking av laks i norske matfiskanlegg
Jonatan Nilsson, Kristoffer Vale Nielsen, Kristine Gismervik, Martin Haugmo Iversen, Jelena Kolarevic, Christopher Noble, Lars Helge Stien, Tore S Kristiansen
2022
Modeling severity of injuries and signs of disease in farmed Atlantic Salmon
Stien, Lars Helge
2022
Echofeeding
Ole Folkedal, Jan Erik Fosseidengen, Lars Helge Stien, Frode Oppedal
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
Laksvel - Utvikling og evaluering av metode for rutinemessig velferdsovervåkning av laks i norske matfiskanlegg
Jonatan Nilsson, Lars Helge Stien, Kristoffer Vale Nielsen, Kristine Gismervik, Martin Haugmo Iversen, Christopher Noble, Tore S Kristiansen
2021
Dødelighet i norsk oppdrettsnæring (utvikling de siste 10 årene)
Stien, Lars Helge
2021
Fish welfare implications of prolonged fasting periods in Atlantic salmon
Malthe Hvas, Ole Folkedal, Frode Oppedal, Lars Helge Stien
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
2021
Termisk avlusing. Noen resultater fra forskningen
Lars Helge Stien, Kristine Gismervik
2021
Fiskevelferdsforumets årsmøte 2021- hvor er vi og hvor skal vi?
Kristine Gismervik, Brit Tørud, Tore S Kristiansen, Lars Helge Stien
2020
Arbeid med velferdsevaluering ved Havforskningsinstituttet
Jonatan Nilsson, Lars Helge Stien
2020
Termisk avlusning; utfordringer og alternativ
Stien, Lars Helge
2020
Operational Welfare Indicators for Salmon
Stien, Lars Helge
2020
Improving fish welfare in the aquaculture industry
Stien, Lars Helge
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
2020
Forvaltning av fiskevelferd og -helse fra kyllingperspektivet
Kristine Gismervik, Brit Tørud, Tore S Kristiansen, Tonje Cecilie Osmundsen, Kristine Vedal Størkersen, Christian Medaas, Marianne Elisabeth Lien, Lars Helge Stien
2020
Effekter fra det regulatoriske rammeverket på fiskehelse og fiskevelferd- Fokus fiskehelsepersonell
Kristine Gismervik, Brit Tørud, Tore S Kristiansen, Tonje Cecilie Osmundsen, Kristine Vedal Størkersen, Marianne Elisabeth Lien, Christian Medaas, Lars Helge Stien
2020
Oppdatering forvaltningsstøtte: termisk
Kristine Gismervik, Lars Helge Stien
2020
REGFISHWELH- forslag regelverksendringer
Kristine Gismervik, Tore S Kristiansen, Brit Tørud, Lars Helge Stien
2020
Fisken først – men hvilken? Forhold som påvirker ivaretakelse av fiskevelferd på havbrukslokaliteter
Kristine Vedal Størkersen, Kristine Gismervik, Tonje Cecilie Osmundsen, Lars Helge Stien, Brit Tørud, Marianne Elisabeth Lien, Tore S Kristiansen, Christian Medaas
2020
Forvaltning av velferd til norsk oppdrettslaks: Tre konflikttilfeller
Lars Helge Stien, Kristine Gismervik, Marianne Elisabeth Lien, Christian Medaas, Tonje Cecilie Osmundsen, Brit Tørud, Tore S Kristiansen, Kristine Vedal Størkersen
2020
Uspesifikke krav vs. spesifikke krav
Lars Helge Stien, Tore S Kristiansen
2020
Sammenlikning av regelverksramme laks og kylling -dyrevelferd og helse
Kristine Gismervik, Brit Tørud, Tore S Kristiansen, Tonje Cecilie Osmundsen, Kristine Vedal Størkersen, Christian Medaas, Marianne Elisabeth Lien, Lars Helge Stien
2020
Fiskevelferd sett fra merdkanten. Organisjonsstudie av lokalitetspersonell
Kristine Vedal Størkersen, Tonje Cecilie Osmundsen, Kristine Gismervik, Lars Helge Stien, Christian Medaas, Brit Tørud, Tore S Kristiansen, Marianne Elisabeth Lien
2020
Er varmt vann smertefullt for laks? ‐Atferd og vevsskader
Kristine Gismervik, Siri Kristine Gåsnes, Lars Helge Stien, Jonatan Nilsson
2020
Analyse av dødelighetsdata fra rensefiskkampanjen
Lars Helge Stien, Kristine Vedal Størkersen, Kristine Gismervik
2019
Velferd og data, sett med "forvaltningsstøttebriller"
Kristine Gismervik, Lars Helge Stien, Brit Tørud
2019
Fiskevelferd under termisk avlusing. Resultater av ny forskning
Stien, Lars Helge
2019
Salmon Welfare Index (SWIM) guidelines
Stien, Lars Helge
2019
Er varmt vann smertefullt for laks? -Atferd og vevsskader, foreløpige resultater
Siri Kristine Gåsnes, Jonatan Nilsson, Kristine Gismervik, Lars Helge Stien
2019
Does sudden exposure to warm water cause pain in Atlantic salmon?
Jonatan Nilsson, Lene Moltumyr, Angelico Madaro, Tore S Kristiansen, Siri G Gåsnes, Kristine Gismervik, Cecilie Marie Mejdell, Lars Helge Stien
2019
Does sudden exposure to warm water cause pain in Atlantic salmon?
Jonatan Nilsson, Lene Moltumyr, Angelico Madaro, Tore S Kristiansen, Siri Kristine Gåsnes, Cecilie Marie Mejdell, Kristine Gismervik, Lars Helge Stien
2019
Dess større ei næring er, dess viktigere er et godt regelverk for å sikre helse og velferd. Sammenligne regelverk for fjørfe og oppdrettsfisk.
Lars Helge Stien, Kristine Gismervik
2019
REGFISHWELH-Resultat spørreundersøkelser
Lars Helge Stien, Kristine Vedal Størkersen
2019
Velferdovervåkning hos oppdrettsfisk
Christopher Noble, Jelena Kolarevic, Jonatan Nilsson, Lars Helge Stien, Martin Haugmo Iversen, Kristine Gismervik
2018
Er varmt vann smertefullt for fisken?
Siri Kristine Gåsnes, Kristine Gismervik, Lars Helge Stien, Jonatan Nilsson, Lene Moltumyr, Anne Gerd Gjevre, Cecilie Marie Mejdell, Brit Tørud, Angelico Madaro
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
Effekter av norsk havbruksforvaltning og regulering for fiskevelferd og -helse
Lars Helge Stien, Brit Tørud
2018
REGFISHWELL - Infromasjon om prosjekt om regelverk og forvaltning av fiskeoppdrett
Stien, Lars Helge
2018
Operative velferdsindikatorer ved lusebehandling (FISHWELL)
Kristine Gismervik, Jonatan Nilsson, Lars Helge Stien, Martin Haugmo Iversen, Jelena Kolarevic, Kristoffer Vale Nielsen, Christopher Noble
2018
Regler på kryss og tvers- blir det kontrovers? Effektene for fiskevelferd og –helse
Kristine Gismervik, Brit Tørud, Tore S Kristiansen, Tonje Cecilie Osmundsen, Kristine Vedal Størkersen, Marianne Elisabeth Lien, Christian Medaas, Lars Helge Stien
2018
Gir ord holdning om dyreverd?
Kristine Gismervik, Brit Tørud, Tore S Kristiansen, Tonje Cecilie Osmundsen, Kristine Vedal Størkersen, Marianne Elisabeth Lien, Lars Helge Stien
2018
Er teknologiutviklingen tilpasset biologien
Stien, Lars Helge
2018
Konsekvenser av avlusing på dødelighet
Kathy Overton, Lars Helge Stien
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
Hvordan går det med laksen i merdene?
Tore S Kristiansen, Lars Helge Stien
2017
Welfare needs of cephalopods
Tore S Kristiansen, Lars Helge Stien
2017
Velferdsvurdering i produksjonssystemer for laks
Jelena Kolarevic, Lars Helge Stien
2017
FISHWELL - et velferdsleksikon
Chris Noble, Lars Helge Stien
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
FISHWELL; en verktøykasse for velferdsdokumentasjon
Kristine Gismervik, Jelena Kolarevic, Jonatan Nilsson, Lars Helge Stien, Martin Haugmo Iversen, Chris Noble
2017
REGFISHWELH; Bedre praksis/forvaltning fiskehelse og velferd?
Kristine Gismervik, Brit Tørud, Lars Helge Stien, Tore S Kristiansen, Tonje Cecilie Osmundsen, Marianne Elisabeth Lien, Christian Medaas
2017
REGFISHWELH; presentasjon av prosjektet med spørsmålsdiskusjon
Kristine Gismervik, Brit Tørud, Lars Helge Stien, Tore S Kristiansen, Tonje Cecilie Osmundsen, Marianne Elisabeth Lien, Christian Medaas
2017
Ny håndbok: Velferdsindikatorer for oppdrettslaks:Hvordan vurdere og dokumentere fiskevelferd
Chris Noble, Jelena Kolarevic, Jonatan Nilsson, Lars Helge Stien, Martin Haugmo Iversen, Kristine Gismervik
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
Vekst hos laksesøsken
Ole Folkedal, Lars Helge Stien, Jonatan Nilsson, Thomas Torgersen, Tore S Kristiansen
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
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
AN INTRODUCTION TO THE FISHWELL HANDBOOK – AN INDICATOR-BASED GUIDE FOR ASSESSING THE WELFARE OF ATLANTIC SALMON Salmo salar L. OUT ON THE FARM
Chris Noble, Jonatan Nilsson, Lars Helge Stien, Martin Haugmo Iversen, Jelena Kolarevic, Kristine Gismervik, James F. Turnbull, David Izquierdo-Gómez, Åsa Maria Olofsdotter Espmark, Tore S Kristiansen, Cecilie Marie Mejdell, Kristian Ellingsen, Kristoffer Vale Nielsen, Kjell Øivind Midling, Bjørn-Steinar Sæther
2017
Direct filleting and super chilling of Atlantic salmon
Bjørn Tore Rotabakk, Karsten Heia, Tom Ståle Nordtvedt, Trond Løvdal, Lars Helge Stien, Bjørn Roth
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
2016
A strategy to approach welfare assessment in cephalopods: the case of the common octopus (Octopus vulgaris)
Tore S Kristiansen, Lars Helge Stien, Pamela Imperadore, Graziano Fiorito
2016
Er atferd hos oppdrettslaks familieavhengig?
Ole Folkedal, Lars Helge Stien, Jonatan Nilsson, Thomas Torgersen, Jan Erik Fosseidengen, Rolf Edvardsen, Tore S Kristiansen
2016
Kunnskapssammenstilling og fiskevelferd for laks og regnbueørret i oppdrett (FISHWELL)
Chris Noble, Jelena Kolarevic, Jonatan Nilsson, Lars Helge Stien, Martin Haugmo Iversen, Kristine Gismervik
2016
Presentasjon av Risikovurdering 2016
Terje Svåsand, Ørjan Karlsen, Bjørn Olav Kvamme, Lars Helge Stien, Geir Lasse Taranger, Karin Kroon Boxaspen
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
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
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
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
Lyskvalitetens betydning for å holde laksen dypt.
Stien, Lars Helge
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
2015
Permanent skjørt for redusering av luspåslag på laks – vannmiljø og fiskens posisjon
Andreas Myskja Lien, Lars Helge Stien, Kevin Frank, Zsolt Volent, Per Rundtop, Lars Gansel, Jens Birkevold, Per Christian Endresen, Leif Magne Sunde
2015
Could be used the digestive gland of Octopus vulgaris paralarvae as an indicator of starvation
Raquel Fernandez-Gago, Lars Helge Stien, Francisco Rocha
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
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
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
Hypoksi i lakseoppdrett - Praktiske konsekvenser.
Frode Oppedal, Ole Folkedal, Lars Helge Stien, Thomas Torgersen, David Johansson, Rolf Erik Olsen, Mette Remen
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
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
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
Sensor technology is an essential part of research on fish welfare
Stien, Lars Helge
2012
Effects of omission of expected reward on agonistic behaviour and dopaminergic activity of Atlantic salmon (Salmo salar)
Marco Antonio Vindas Alvarado, Ole Folkedal, Tore S Kristiansen, Lars Helge Stien, Bjarne Olai Braastad, Ian Mayer, Erik Höglund, Øyvind Øverli
2012
Tekstur av laksemuskel - nye forskningsverktøy har gitt kunnskapsinnovasjoner
Turid Mørkøre, Diane Bahuaud, J Borderias, Mari Gaarder, M.C. Gomez-Guillen, Ulf Gøran Erikson, Celeste Jacq, Kristin Hollung, Erling Olaf Koppang, Aleksei Krasnov, P Montero, H Moreno, Thomas Larsson, Jana Pickova, Inger Beate Standal, Lars Helge Stien, Magny S. Thomassen, Jacob Torgersen, Eva Veiseth-Kent, Tone-Kari K Østbye, Bente Ruyter
2012
Frustrert fisk: Uforutsigbar utforing av laks gir økt aggresjon og påvirker hjernens belønnings-system
Marco Antonio Vindas, Ole Folkedal, Ida Beitnes Johansen, Tore S Kristiansen, Lars Helge Stien, Bjarne Olai Braastad, Ian Mayer, Erik Höglund, Øyvind Øverli
2011
Animal welfare - a need for conceptual clarity
Tore S Kristiansen, Marc Bracke, Lars Helge Stien, Thomas Torgersen
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
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
2006
Description of fish behavior by video and computer vision
Ivar Austvoll, Lars Helge Stien, Tore S. Kristiansen
2006
Different digestive ability, and protein and growth efficiency in rainbow trout families fed diets with different protein levels
Krisna Rungruangsak-Torrissen, Britt Sværen Daae, Grethe Beate Thorsheim, Tone Vågseth, Lars Helge Stien, Declan Tobin, Ossi Ritola
2024
Risikorapport norsk fiskeoppdrett 2024 - Produksjonsdødelighet hos oppdrettsfisk og miljøeffekter av norsk fiskeoppdrett
Ellen Sofie Grefsrud, Ann-Lisbeth Agnalt, Lasse Berg Andersen, Ola Håvard Diserud, Katherine Mary Dunlop, Rosa Escobar, Peder Fiske, Ole Folkedal, Kevin Alan Glover, Bjørn Einar Grøsvik, Kim Aleksander Tallaksen Halvorsen, Rita Hannisdal, Pia Kupka Hansen, Kjetil Hindar, Vivian Husa, Eeva Jansson, Ingrid Askeland Johnsen, Ørjan Karlsen, Sten Karlsson, Abdullah Sami Madhun, Kjell Harald Nedreaas, Jonatan Nilsson, Aoife Elizabeth Parsons, Ole Samuelsen, Nina Sandlund, Anne Dagrun Sandvik, Rosa Maria Serra Llinares, Øystein Skaala, Rasmus Skern-Mauritzen, Anne Berit Skiftesvik, Monica Favnebøe Solberg, Lars Helge Stien, Elisabeth Stöger, Terje Svåsand, Kjell Rong Utne, Vidar Wennevik
Rapport fra havforskningen
2023
Production, fasting and delousing of triploid and diploid salmon in Northern Norway - Report for the 2020-generation
Lars Helge Stien, Cameron Thompson, Per Gunnar Fjelldal, Frode Oppedal, Tore S Kristiansen, Per Anton Sæther, Per Magne Bølgen, Lisbeth Martinsen
2023
Risikorapport norsk fiskeoppdrett 2023 — Produksjonsdødelighet hos oppdrettsfisk og miljøeffekter av norsk fiskeoppdrett
Ellen Sofie Grefsrud, Lasse Berg Andersen, Bjørn Einar Grøsvik, Ørjan Karlsen, Bjørn Olav Kvamme, Pia Kupka Hansen, Vivian Husa, Nina Sandlund, Lars Helge Stien, Monica Favnebøe Solberg
2023
Delousing Efficacy and Physiological Impacts on Atlantic Salmon of Freshwater and Hyposaline Bath Treatments
Cameron Thompson, Angelico Madaro, Frode Oppedal, Lars Helge Stien, Samantha Bui
2022
Risikorapport norsk fiskeoppdrett 2022 - kunnskapsstatus - Effekter på miljø og dyrevelferd i norsk fiskeoppdrett
Ellen Sofie Grefsrud, Pål Arne Bjørn, Bjørn Einar Grøsvik, Pia Kupka Hansen, Vivian Husa, Ørjan Karlsen, Bjørn Olav Kvamme, Ole Bent Samuelsen, Nina Sandlund, Monica Favnebøe Solberg, Lars Helge Stien
2022
Laksvel - Standardisert operasjonell velferdsovervåking for laks i matfiskanlegg
Jonatan Nilsson, Kristine Gismervik, Kristoffer Vale Nielsen, Martin Haugmo Iversen, Christopher Noble, Jelena Kolarevic, Hilde Frotjold, Kathrine Nilsen, Eirik Wilkinson, Barbo Klakegg, Hege Sørvåg Hauge, Per Anton Sæther, Tore S Kristiansen, Lars Helge Stien
2022
Risikorapport norsk fiskeoppdrett 2022 - risikovurdering — Effekter på miljø og dyrevelferd i norsk fiskeoppdrett
Ellen Sofie Grefsrud, Lasse Berg Andersen, Pål Arne Bjørn, Bjørn Einar Grøsvik, Pia Kupka Hansen, Vivian Husa, Ørjan Karlsen, Bjørn Olav Kvamme, Ole Bent Samuelsen, Nina Sandlund, Monica Favnebøe Solberg, Lars Helge Stien
2022
Effekt på dyrevelferd av gjentatte termiske behandlinger med ulik Δt, ulik utgangstemperatur og ulik behandlingstemperatur
Lars Helge Stien, Samantha Bui, Jonatan Nilsson, Angelico Madaro, Per Gunnar Fjelldal, Merete Bjørgan Schrøder, Birger Venås, Malin Johansen, Tore Seternes, Caroline Piercey Åkesson, Helene Wisløff, Monica Fengsrud Brinchmann, Deepti Manjari Patel, Martin Haugmo Iversen
2021
Towards a sustainable fishery and use of cleaner fish in salmonid aquaculture. Challenges and opportunities
Stein Mortensen, Kim Aleksander Tallaksen Halvorsen, Anne Berit Skiftesvik, Caroline Durif, Lars Helge Stien, Eeva Jansson, Maria Quintela, Nina Sandlund, Kjell Harald Nedreaas, Terje Jørgensen, Hans Hagen Stockhausen, Kjetil Korsnes, Inger Fyllingen, Hulda Bysheim, Patrick Reynolds, Ellika Faust, Håkan Wennhage, Carl André, Peter Rask Møller, Henrik Carl, Jacob Linnemann Rønfeldt, Albert K.D. Imsland, Lauren Henly
2021
Tining av fryst laks, effekt av fryselagringstid og tineregime
Bjørn Tore Rotabakk, Lars Helge Stien, Torstein Skåra
2021
Andre samlerapport: velferd for triploid laks i Nord-Norge - Sluttrapport, utsett 2018
Lars Helge Stien, Florian Sambraus, Per Anton Sæther, Mattias Bendiksen Lind, Tore S Kristiansen, Jonatan Nilsson, Per Gunnar Fjelldal
2021
Tredje samlerapport: Velferd for triploid laks i Nord-Norge - Sluttrapport, utsett 2019
Lars Helge Stien, Florian Sambraus, Tore S Kristiansen, Per Gunnar Fjelldal, Per Anton Sæther, Lisbeth Martinsen
2021
Risikorapport norsk fiskeoppdrett 2021 - kunnskapsstatus
Ellen Sofie Grefsrud, Ørjan Karlsen, Bjørn Olav Kvamme, Kevin Alan Glover, Vivian Husa, Pia Kupka Hansen, Bjørn Einar Grøsvik, Ole Bent Samuelsen, Nina Sandlund, Lars Helge Stien, Terje Svåsand
2021
Risikorapport norsk fiskeoppdrett 2021 - risikovurdering
Ellen Sofie Grefsrud, Ørjan Karlsen, Bjørn Olav Kvamme, Kevin Alan Glover, Vivian Husa, Pia Kupka Hansen, Bjørn Einar Grøsvik, Ole Bent Samuelsen, Nina Sandlund, Lars Helge Stien, Terje Svåsand
2020
Kunnskapsstatus - miljøeffekter av norsk fiskeoppdrett 2019 : Risikorapport norsk fiskeoppdrett, del 2
Ellen Sofie Grefsrud, Terje Svåsand, Kevin Glover, Vivian Husa, Pia Kupka Hansen, Ole Bent Samuelsen, Nina Sandlund, Lars Helge Stien
2020
Analyse av dødelighetsdata fra spørreundersøkelse om velferd hos rensefisk
Lars Helge Stien, Kristine Vedal Størkersen, Siri Kristine Gåsnes
2020
Welfare Indicators for farmed rainbow Trout: Tools for assessing Fish welfare
Christopher Noble, Kristine Gismervik, Martin Haugmo Iversen, Jelena Kolarevic, Jonatan Nilsson, Lars Helge Stien, James F. Turnbull
2020
Velferdsindikatorer for regnbueørret i oppdrett: Hvordan vurdere og dokumentere fiskevelferd
Christopher Noble, Kristine Gismervik, Martin Haugmo Iversen, Jelena Kolarevic, Jonatan Nilsson, Lars Helge Stien, James F. Turnbull
2019
Første samlerapport: Velferd for triploid laks i Nord-Norge
Lars Helge Stien, Per Anton Sæther, Tore S Kristiansen, Per Gunnar Fjelldal, Florian Sambraus
2019
Risikorapport norsk fiskeoppdrett 2019 - Miljøeffekter av lakseoppdrett
Ellen Sofie Grefsrud, Terje Svåsand, Kevin Glover, Vivian Husa, Pia Kupka Hansen, Ole Bent Samuelsen, Nina Sandlund, Lars Helge Stien
2019
Intervju fjørfe. Samling av notater fra intervju blant fjørfenæring og -forvaltning
Kristine Vedal Størkersen, Tonje Cecilie Osmundsen, Kristine Gismervik, Lars Helge Stien
2019
Intervju om fiskevelferd. Samling av notater fra feltarbeid og intervju blant oppdrettsnæring og forvaltning
Kristine Vedal Størkersen, Tonje Cecilie Osmundsen, Kristine Gismervik, Lars Helge Stien
2019
Resultat om dyrevelferd. Svar på spørreundersøkelse blant kyllingbønder
Kristine Vedal Størkersen, Tonje Cecilie Osmundsen, Kristine Gismervik, Lars Helge Stien
2019
Resultat om fiskevelferd til internt bruk. Svar på spørreundersøkelse blant oppdrettere og forvaltning
Kristine Vedal Størkersen, Tonje Cecilie Osmundsen, Kristine Gismervik, Lars Helge Stien
2019
The Well – Mixing skirt and freshwater lens concepts with smart-lighting and -feeding to enhance lice prevention and safeguard fish welfare
Daniel William Wright, Lars Helge Stien, Frode Oppedal, Michael Sievers, Ellen Ditria, Henrik Trengereid
2019
Summary and status of deep lights and deep feed use in commercial settings: welfare, behaviour and infestation at three case study sites — End report from the FHF projects 901154 “Dypelysogfôring”
Samantha Bui, Frode Oppedal, Jonatan Nilsson, Tina Marie Wier Oldham, Lars Helge Stien
2019
Avlusing med kaldt vann? – effektivitet og laksens velferd — sluttrapport FHF prosjekt 901488
Frode Oppedal, Lars Helge Stien, Daniel William Wright, Lene Moltumyr, Jonatan Nilsson, Timothy David Dempster, Kathy Overton
2019
Use of deep lights and deep feed in commercial settings: effect on welfare, behaviour and infestation, summary and status at three case study sites/ Bruk av dype lys og dyp fôring i kommersiell skala; effekter på velferd, atferd og lusepåslag ved 3 oppdrettsanlegg
Jonatan Nilsson, Samantha Bui, Lars Helge Stien, Frode Oppedal
2018
Lusepåslag og velferd hos dypfôret og overflatefôret laks på lokalitet Skrubbholmen midtvinters.
Jonatan Nilsson, Lars Helge Stien, Frode Oppedal
2018
Risikorapport norsk fiskeoppdrett 2018
Ellen Sofie Grefsrud, Kevin Glover, Bjørn Einar Grøsvik, Vivian Husa, Ørjan Karlsen, Tore S Kristiansen, Bjørn Olav Kvamme, Stein Mortensen, Ole Bent Samuelsen, Lars Helge Stien, Terje Svåsand
2018
Assessment of long-term implementation of sea lice prevention technologies: efficiency in reducing infestations and impact on fish welfare
Samantha Bui, Lars Helge Stien, Jonatan Nilsson, Frode Oppedal
2018
Do diploid Atlantic salmon (Salmo salar) have a higher swimming capacity than triploid?
Erling Nilsen, Enrique Blanco Gonzalez, Lars Helge Stien, Malthe Hvas
2018
Welfare Indicators for farmed Atlantic salmon: Tools for assessing fish welfare
Christopher Noble, Kristine Gismervik, Martin Haugmo Iversen, Jelena Kolarevic, Jonatan Nilsson, Lars Helge Stien, James F. Turnbull
2018
Lusepåslag og velferd hos dypfôret og overflatefôret laks på lokalitet Skrubbholmen midtvinters. – Delrapport fra FHF-prosjekt 901154 «Dypelysogfôring»
Jonatan Nilsson, Lars Helge Stien, Frode Oppedal
2018
Velferdsindikatorer for oppdrettslaks: Hvordan vurdere og dokumentere fiskevelferd. 3. utgave
Chris Noble, Jonatan Nilsson, Lars Helge Stien, Martin Haugmo Iversen, Jelena Kolarevic, Kristine Gismervik
2017
Environment, lice levels, welfare and salmon swim depth at Kobbavika site with surface or deep feeding combined with artificial light/ Miljø, lusenivå, velferd og laksens svømmedyp ved lokalitet Kobbavika ved bruk av utfôring i overflate eller under vann kombinert med kunstig lys.
Jonatan Nilsson, Lars Helge Stien, Frode Oppedal
2017
Environment, lice levels, welfare and salmon swim depth at Kobbavika site with surface or deep feeding combined with artificial light. – part of CAC2015G production at Marine Harvest “The use of deep feeding and deep lights in lice mitigation” and FHF project 901154 “Dypelysogforing”
Jonatan Nilsson, Lars Helge Stien, Frode Oppedal
2017
Varmebehandling av laks i forbindelse med avlusing - Rapport til Mattilsynet
Anders Mangor-Jensen, Lars Helge Stien, Jan Erik Fosseidengen, Ragnfrid Mangor-Jensen
2017
Velferdsindikatorer for oppdrettslaks: Hvordan vurdere og dokumentere fiskevelferd
Chris Noble, Jonatan Nilsson, Lars Helge Stien, Martin Haugmo Iversen, Jelena Kolarevic, Kristine Gismervik
2016
Risikovurdering av norsk fiskeoppdrett 2016
Terje Svåsand, Ørjan Karlsen, Lars Helge Stien, Geir Lasse Taranger, Karin Kroon Boxaspen
2016
Snorkelmerd: Produksjonseffektivitet, adferd og velferd.
Frode Oppedal, Timothy David Dempster, Lars Helge Stien
2015
Permanent skjørt for redusering av luspåslag på laks
Andreas Myskja Lien, Lars Helge Stien, Randi Grøntvedt, Kevin Frank
2013
Risikovurdering norsk fiskeoppdrett 2012
Lars Asplin, Jan Aure, Raymond Bannister, Pål Arne Bjørn, Karin Kroon Boxaspen, Geir Dahle, Arne S Ervik, Bengt Finstad, Kevin A. Glover, Bjørn Einar Grøsvik, Pia Kupka Hansen, Mikko Heino, Vivian Husa, P. A. Jansen, Ingrid Askeland Johnsen, Knut Eirik Jørstad, Egil Karlsbakk, Ørjan Karlsen, Tore S Kristiansen, Bjørn Olav Kvamme, Rosa Maria Serra Llinares, Abdullah Madlhun, Terje van der Meeren, Stein Mortensen, Craig Morton, Rune Nilsen, Håkon Otterå, Sonal Patel, Bjørn-Steinar Sæther, Ole Bent Samuelsen, Øystein Skaala, Cecilie Skår, Ove Skilbrei, Lars Helge Stien, Terje Svåsand, Geir Lasse Taranger, Ingebrigt Uglem, Vidar Wennevik
2012
Erfaringer og analyser fra drift av oppdrettsanlegg på eksponerte lokaliteter
Merete Gisvold Sandberg, Andreas Myskja Lien, Leif Magne Sunde, Kristine Vedal Størkersen, Lars Helge Stien, Tore S Kristiansen
2010
Ny teknologi for overvåking av oppdrettsmiljø og fiskevelferd i oppdrettsmerder. Sluttrapport for FHF prosjekt 900085
Øyvind Aas-Hansen, Lars Helge Stien, Trygve Gytre, Torodd Tennøy, Jan Eyolf Bjørnsen, Tor Hatten Evensen, Bjørn-Steinar Sæther, Børge Damsgård, Ragnar Brataas, Dag Einar Finne, Christian Koren, Jo Arve Alfredsen, Audun H. Rikardsen, Tore S Kristiansen
2006
Application of machine vision to quantify rigor development, colour and fat content in slaughtered fish
Lars Helge Stien, Ragnar Nortvedt