Lars Helge Stien
Publications
Academic articles
2025
Clinical Presentation and Pathological Effects of a Hydrozoan Bloom on Farmed Atlantic Salmon
Journal of Fish Diseases
2025
Growth, sexual maturation, cataracts, and blood biochemistry in diploid and triploid Atlantic salmon post-smolts reared at one of eight constant temperatures from 3.0 to 20.5 °C for 140 days
Aquaculture
602
2025
Vertebral deformities in cultured big size Rainbow Trout: Radiological analysis from juvenile to harvest size
Aquaculture
596
2024
Evaluating a crowding intensity scale and welfare indicators for Atlantic salmon in sea cages
Aquaculture Reports
37
2024
Efficiency of salmon production in submerged cages with air domes matches standard surface cages when environments are similar
Aquaculture
586
2024
Comparing physiological responses of acute and chronically stressed diploid and triploid Atlantic salmon (Salmo salar)
Aquaculture Reports
36
2024
Fasting and its implications for fish welfare in Atlantic salmon aquaculture
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
Aquaculture International
2022
Warm water treatment increased mortality risk in salmon
Veterinary and Animal Science
17
2022
Declining size-at-harvest in Norwegian salmon aquaculture: Lice, disease, and the role of stunboats
Aquaculture
559
2022
Deployment of hydroacoustic feeding control in salmon sea-cages; biological and technical considerations
Aquaculture
561
2022
Thaw rigor in Atlantic salmon (Salmo salar) fillets, as affected by thawing rate and frozen storage time
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)
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
2021
Full compensatory growth before harvest and no impact on fish welfare in Atlantic salmon after an 8-week fasting period
Aquaculture
546
2021
A comparison of triploid and diploid Atlantic salmon (Salmo salar) performance and welfare under commercial farming conditions in Norway
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
Aquaculture
546
2021
Long-term welfare effects of repeated warm water treatments on Atlantic salmon (Salmo salar)
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
Aquaculture
548
2021
Minding the Gaps in Fish Welfare: The Untapped Potential of Fish Farm Workers
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
Aquaculture
546
2021
The effect of fasting period on swimming performance, blood parameters and stress recovery in Atlantic salmon post smolts
Comparative Biochemistry and Physiology A
255
2021
Farmed salmonids drive the abundance, ecology and evolution of parasitic salmon lice in Norway
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
Aquaculture
541
p. 1-7
2021
Fish protection during fish production. Organizational conditions for fish welfare
Marine Policy
129
2020
Triploid Atlantic salmon Salmo salar have a higher dietary phosphorus requirement for bone mineralization during early development
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)?
Aquaculture
2020
Skeletal deformities in wild and farmed cleaner fish species used in Atlantic salmon Salmo salar aquaculture
Journal of Fish Biology
p. 1-10
2020
Is it advantageous for Atlantic salmon to be triploid at lower temperatures?
Journal of Thermal Biology
89
2020
Effect of cleaner fish on sea lice in Norwegian salmon aquaculture: a national scale data analysis
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)
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
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
Aquaculture
520
2020
Cleaner fish growth, welfare and survival in Atlantic salmon sea cages during an autumn-winter production
Aquaculture
528
p. 1-10
2020
Comparison of Norwegian health and welfare regulatory frameworks in salmon and chicken production
Reviews in Aquaculture
p. 1-15
2020
The metabolic rate response to feed withdrawal in Atlantic salmon post-smolts
Aquaculture
529
2020
Optimal estimation of lice release from aquaculture based on ambient temperatures
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
Aquaculture
525
p. 1-7
2020
Governing the welfare of Norwegian farmed salmon: three conflict cases
Marine Policy
117
2020
Genetic variation in growth pattern within a population of farmed Atlantic salmon (Salmo salar) during a standard production cycle
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
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.
Current Zoology
65
p. 665-673
2019
Thermal injuries in Atlantic salmon in a pilot Laboratory trial
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
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
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
Aquaculture Environment Interactions
11
p. 445-457
2019
Automatic segmentation method for live fish eggs microscopic image analysis
Aquacultural Engineering
85
p. 49-55
2019
Thermal delousing with cold water: Effects on salmon lice removal and salmon welfare
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.
Aquaculture
502
p. 332-337
2018
Salmon lice treatments and salmon mortality in Norwegian aquaculture: a review
Reviews in Aquaculture
p. 1-20
2018
Repeated sublethal freshwater exposures reduce the amoebic gill disease parasite, Neoparamoeba perurans, on Atlantic salmon
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
Aquaculture Environment Interactions
10
p. 255-265
2018
Skirts on salmon production cages reduced salmon lice infestations without affecting fish welfare
Aquaculture
490
p. 281-287
2018
Dissolved oxygen variability in a commercial sea-cage exposes farmed Atlantic salmon to growth limiting conditions
Aquaculture
486
p. 122-129
2018
Functional amino acids stimulate muscle development and improve fillet texture of Atlantic salmon
Aquaculture Nutrition
24
p. 14-26
2017
Lowering treatment temperature reduces salmon mortality: a new way to treat with hydrogen peroxide in aquaculture.
Pest Management Science
74
p. 535-540
2017
The use and effects of hydrogen peroxide on salmon lice and post-smolt Atlantic salmon.
Aquaculture
486
p. 246-252
2017
Consistent melanophore spot patterns allow long-term individual recognition of Atlantic salmon Salmo salar
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
Preventive Veterinary Medicine
140
p. 97-105
2017
Sea lice infestation levels decrease with deeper ‘snorkel’ barriers in Atlantic salmon sea-cages
Pest Management Science
73
p. 1935-1943
2016
Sea lice infestation level alters salmon swimming depth in sea-cages
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
Journal of Zoology
300
p. 213-220
2016
On-farm evaluation of the Salmon Welfare Index Model (SWIM 1.0) - Theoretical and practical considerations
Animal Welfare
25
p. 135-149
2016
Predicting the effectiveness of depth-based technologies to prevent salmon lice infection using a dispersal model
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.)
Aquaculture
453
p. 67-72
2016
'Snorkel' sea lice barrier technology reduces sea lice loads on harvest-sized Atlantic salmon with minimal welfare impacts
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
Aquaculture Environment Interactions
8
p. 339-347
2015
Atlantic salmon Salmo salar instantaneously follow vertical light movements in sea cages
Aquaculture Environment Interactions
7
p. 61-65
2015
An automatic counting system for transparent pelagic fish eggs based on computer vision
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
Aquaculture
435
p. 354-360
2015
Effects of filleting method, stress, storage and season on the quality of farmed Atlantic cod (Gadus morhua L.)
Aquaculture Research
46
p. 1597-1607
2014
The effect of stunning methods and season on muscle texture hardness in Atlantic salmon (Salmo salar L.)
Journal of Food Science
79
p. E1137-E1141
2014
Low intensity light of different colours modifies Atlantic salmon depth use
Aquacultural Engineering
62
p. 42-48
2014
The interaction between water currents and salmon swimming behaviour in sea cages
PLOS ONE
9
2014
Effect of blood removal protocol and superchilling on quality parameters of prerigor filleted farmed atlantic cod (Gadus morhua)
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
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.)
PLOS ONE
9
2014
Soft texture of Atlantic salmon fillets is associated with glycogen accumulation
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
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
Aquacultural Engineering
55
p. 32-36
2013
Digital image analysis as a tool to quantify gaping and morphology in smoked salmon slices
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
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
Reviews in Aquaculture
5
p. 33-57
2012
Sea caged Atlantic salmon display size-dependent swimming depth
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)
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
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
Physiology and Behavior
105
p. 283-291
2012
Crowding, pumping and stunning of Atlantic salmon, the subsequent effect on pH and rigor mortis
Aquaculture
326-329
p. 178-180
2012
Omission of expected reward agitates Atlantic salmon (Salmo salar)
Animal Cognition
15
p. 903-911
2012
Skirt around a salmon sea cage to reduce infestation of salmon lice resulted in low oxygen levels
Aquacultural Engineering
51
p. 21-25
2011
Environmental drivers of Atlantic salmon behaviour in sea-cages: A review
Aquaculture
311
p. 1-18
2011
Voluntary responses and limits of tolerance to pressure reduction and swimbladder expansion in farmed Atlantic cod
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)
Aquaculture International
18
p. 991-1001
2010
The influence of anaerobic muscle activity, maturation and season on the flesh quality of farmed turbot
Aquaculture International
18
p. 461-474
2010
Electrical stimulation of Atlantic salmon muscle and the effect on flesh quality
Aquaculture
301
p. 85-90
2010
Learning and anticipatory behaviour in a "sit-and-wait" predator: The Atlantic halibut
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/
Advances in Civil Engineering
2009
2008
Image analysis as a tool to facilitate selective breeding of quality traits in rainbow trout
Livestock Science
114
p. 315-324
2008
Image analysis as a tool to facilitate selective breeding of quality traits in rainbow trout
Livestock Science
114
p. 315-324
2007
Rapid estimation of fat content in salmon fillets by colour image analysis
Journal of Food Composition and Analysis
20
p. 73-79
2007
Rapid estimation of fat content in salmon fillets by colour image analysis
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
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
Aquaculture
259
p. 390-402
2006
Image analysis as a tool to quantify rigor contraction in pre-rigor-filleted fillets
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
Aquaculture
261
p. 695-705
2006
Image analysis as a tool to quantify rigor contraction in pre-rigor-filleted fillets
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
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
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.)
Aquaculture Research
36
p. 1197-1206
Other journal contributions
2018
Corrigendum to `The use and effects of hydrogen peroxide on salmon lice and post-smolt Atlantic salmon'[Aquaculture 486 (2018) 246?252](S0044848617315545)(10.1016/j.aquaculture.2017.12.041)
Aquaculture
491
p. 400
Scientific lectures
2024
Fasteperioden før slakt av laks kan forkortes
2024
Hva har vi lært fra utviklingskonsesjonene?
2024
En mulig kobling mellom innavlsdepresjon og redusert velferd hos triploid Atlantisk laks Salmo salar
2024
Virkninger av trengingsintensitet og -varighet på fiskevelferd hos postsmolt av laks i kar
2024
Faste. Ikke vær redd for å faste laksen din! - men vær redd hvis laksen frivillig faster...
2024
Erfaringer med FoU-tillatelser og FHF prosjekter
2024
Velferdsindikatorer for trenging
2023
Salmon lice preventative technology - fact finding studies from small to large scale
2023
Velferdseffekter av skjelltap
2023
Presence of salmon impact behaviour and survival of cleaner fish in sea-cages
2023
LAKSVEL - Utvikling og evaluering av metode for rutinemessig velferdsovervåking av laks i norske matfiskanlegg
2023
Trenging- når er nok nok?-trengeskala og velferdsindikasjoner
2023
Kan vi bli enige om belastningsgrad?
2023
LAKSVEL standardisert operasjonell velferdsovervåking for oppdrettslaks og litt FASTWELL
2023
WELFARE SEVERITY 2021-2025 – Industry meets §3
2023
Risiko for dødelighet hos oppdrettslaks i sjøfasen
2023
Welfare severity; status og hva som kommer
2023
Effekt på dyrevelferd av gjentatt termisk behandling med ulik delta T
2022
Nedsenkning av laks med luftkuppel fra forsøk til kommersiell drift
2022
New Welfare Indicators and New Welfare Protocols
2022
WELFARE SEVERITY- Presentasjon av prosjekt
2022
Effekt på dyrevelferd av gjentatt termisk behandling med ulik dt
2022
Effekt på dyrevelferd av gjentatt termisk behandling med ulik dt
2022
LAKSVEL
2022
LAKSVEL - Standardisert operasjonell velferdsovervåking for laks i matfiskanlegg
2022
LAKSVEL - Utvikling og evaluering av metode for rutinemessig velferdsovervåking av laks i norske matfiskanlegg
2022
Modeling severity of injuries and signs of disease in farmed Atlantic Salmon
2022
Echofeeding
2022
Miljø, lus og velferd i ny merdteknologi
2022
Physical prevention of sealice
2022
Laksvel - Utvikling og evaluering av metode for rutinemessig velferdsovervåkning av laks i norske matfiskanlegg
2021
Dødelighet i norsk oppdrettsnæring (utvikling de siste 10 årene)
2021
Fish welfare implications of prolonged fasting periods in Atlantic salmon
2021
Sulting av laks – en positiv historie
2021
Vekst er mer enn kilo og gram
2021
Termisk avlusing. Noen resultater fra forskningen
2021
Fiskevelferdsforumets årsmøte 2021- hvor er vi og hvor skal vi?
2020
Arbeid med velferdsevaluering ved Havforskningsinstituttet
2020
Termisk avlusning; utfordringer og alternativ
2020
Operational Welfare Indicators for Salmon
2020
Improving fish welfare in the aquaculture industry
2020
Merdmiljø og rensefisk – forskningsresultater og analyser
2020
Forvaltning av fiskevelferd og -helse fra kyllingperspektivet
2020
Effekter fra det regulatoriske rammeverket på fiskehelse og fiskevelferd- Fokus fiskehelsepersonell
2020
Oppdatering forvaltningsstøtte: termisk
2020
REGFISHWELH- forslag regelverksendringer
2020
Fisken først – men hvilken? Forhold som påvirker ivaretakelse av fiskevelferd på havbrukslokaliteter
2020
Forvaltning av velferd til norsk oppdrettslaks: Tre konflikttilfeller
2020
Uspesifikke krav vs. spesifikke krav
2020
Sammenlikning av regelverksramme laks og kylling -dyrevelferd og helse
2020
Fiskevelferd sett fra merdkanten. Organisjonsstudie av lokalitetspersonell
2020
Er varmt vann smertefullt for laks? ‐Atferd og vevsskader
2020
Analyse av dødelighetsdata fra rensefiskkampanjen
2019
Velferd og data, sett med "forvaltningsstøttebriller"
2019
Fiskevelferd under termisk avlusing. Resultater av ny forskning
2019
Salmon Welfare Index (SWIM) guidelines
2019
Er varmt vann smertefullt for laks? -Atferd og vevsskader, foreløpige resultater
2019
Does sudden exposure to warm water cause pain in Atlantic salmon?
2019
Does sudden exposure to warm water cause pain in Atlantic salmon?
2019
Dess større ei næring er, dess viktigere er et godt regelverk for å sikre helse og velferd. Sammenligne regelverk for fjørfe og oppdrettsfisk.
2019
REGFISHWELH-Resultat spørreundersøkelser
2019
Velferdovervåkning hos oppdrettsfisk
2018
Er varmt vann smertefullt for fisken?
2018
Feasibility of reducing lice infestations on farmed salmon using an airdome for swim bladder refilling during continuous submergence.
2018
Effekter av norsk havbruksforvaltning og regulering for fiskevelferd og -helse
2018
REGFISHWELL - Infromasjon om prosjekt om regelverk og forvaltning av fiskeoppdrett
2018
Operative velferdsindikatorer ved lusebehandling (FISHWELL)
2018
Regler på kryss og tvers- blir det kontrovers? Effektene for fiskevelferd og –helse
2018
Gir ord holdning om dyreverd?
2018
Er teknologiutviklingen tilpasset biologien
2018
Konsekvenser av avlusing på dødelighet
2018
Bruk av undervanns luftkuppel for oppdrett av laks i nedsenkte merder
2017
Fluidpermeabelt luseskjørt og fiskevelferd i oppdrett av atlantisk laks (Salmo Salar L.) i Nord-Norge
2017
Hvordan går det med laksen i merdene?
2017
Welfare needs of cephalopods
2017
Velferdsvurdering i produksjonssystemer for laks
2017
FISHWELL - et velferdsleksikon
2017
Hvilke velferdsindikatorer skal brukes i ulike anleggskonsepter for lakseoppdrett?
2017
FISHWELL; en verktøykasse for velferdsdokumentasjon
2017
REGFISHWELH; Bedre praksis/forvaltning fiskehelse og velferd?
2017
REGFISHWELH; presentasjon av prosjektet med spørsmålsdiskusjon
2017
Ny håndbok: Velferdsindikatorer for oppdrettslaks:Hvordan vurdere og dokumentere fiskevelferd
2017
La laksen fôre "seg selv"!
2017
Vekst hos laksesøsken
2017
Thresholds for hypoxia and water current in salmon production
2017
Velferdsindikatorer for laks og regnbueørret (FISHWELL)
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
2017
Direct filleting and super chilling of Atlantic salmon
2017
Lakselus og tilpasninger til temperatur
2016
A strategy to approach welfare assessment in cephalopods: the case of the common octopus (Octopus vulgaris)
2016
Er atferd hos oppdrettslaks familieavhengig?
2016
Kunnskapssammenstilling og fiskevelferd for laks og regnbueørret i oppdrett (FISHWELL)
2016
Presentasjon av Risikovurdering 2016
2016
Snorkelmerder mot påslag av lakselus.
2016
Snorkelmerd – status.
2016
Temperaturens betydning for utvikling av lakselus larver.
2016
The effectiveness of snorkel sea lice barrier technology increase with depth. Sea Lice control
2016
Predicting the effectiveness of depth-based technologies to prevent salmon lice infection using a dispersal model.
2016
Snorkel cages mitigate sea lice infestation.
2015
Snorkel merd reduserer lusepåslag i små og store merder.
2015
Tubenot/ snorkelmerd.
2015
Lyskvalitetens betydning for å holde laksen dypt.
2015
Depth distribution of amoeba within cage and effects of freshwater treatments.
2015
Permanent skjørt for redusering av luspåslag på laks – vannmiljø og fiskens posisjon
2015
Could be used the digestive gland of Octopus vulgaris paralarvae as an indicator of starvation
2014
Svakt lys holder laksen dypt, sterkt lys gir best vekst.
2014
Vannström: hvordan påverkar den laksoppdrett på sjøen?
2014
Snorkelmerd gir bærekraftig reduksjon av lusepåslag.
2014
Snorkel mot lus.
2014
Hypoksi i lakseoppdrett - Praktiske konsekvenser.
2014
Responses of caged salmon to farm environment.
2014
Snorkel Sea cages - host-parasite mismatch reduces sea lice infestation in farmed salmon through snorkel cage designs.
2014
Mismatching host and parasite depth
2013
Snorkel project
2013
Water current; a directive factor for salmon behaviour in sea cages
2013
Reduced lice infestation in salmon held in modified cages: The use of ‘snorkels’ to manipulate swimming depth
2012
Sensor technology is an essential part of research on fish welfare
2012
Effects of omission of expected reward on agonistic behaviour and dopaminergic activity of Atlantic salmon (Salmo salar)
2012
Tekstur av laksemuskel - nye forskningsverktøy har gitt kunnskapsinnovasjoner
2012
Frustrert fisk: Uforutsigbar utforing av laks gir økt aggresjon og påvirker hjernens belønnings-system
2011
Animal welfare - a need for conceptual clarity
2011
SWIM - Salmon welfare index model
2011
Overall Welfare Assessment of Atlantic Salmon in Sea Cages - SWIM 1.0
2010
SWIM - Salmon Welfare Index Model
2006
Description of fish behavior by video and computer vision
2006
Different digestive ability, and protein and growth efficiency in rainbow trout families fed diets with different protein levels
Poster
2023
A comparative study of the physiological responses of acute and chronically stressed diploid and triploid Atlantic salmon (Salmo salar).
2017
ARE SWIMMING DEPTH PREFERENCES IN FARMED ATLANTIC SALMON GENETICALLY DEPENDENT?
2016
Freshwater sensitive attached copepodids.
2012
Novel processing of pre-rigor farmed Atlantic cod (Gadus morhua) fillets by combining direct filleting and superchilling
2012
Topical delousing in sea cages – salmon behaviour, water movements and therapeutant mixing
2012
Omission of expected reward sensitizes the brain dopaminergic system of classically conditioned Atlantic salmon
2010
Welfaremeter - A system for monitoring of sea cage environment, fish behaviour and assessment of fish welfare
Reports and dissertations
2025
Velferd til laks i nyere produksjonsteknologi mot lus – forundersøkelse
Rapport fra havforskningen
2025
Production, fasting and delousing of triploid and diploid salmon in Northern Norway — Report for the 2021- and 2022-generations
Rapport fra havforskningen
2025
Risikorapport norsk fiskeoppdrett 2025 - Produksjonsdødelighet hos oppdrettsfisk og miljøeffekter av norsk fiskeoppdrett
Rapport fra havforskningen
2024
Risikorapport norsk fiskeoppdrett 2024 - Produksjonsdødelighet hos oppdrettsfisk og miljøeffekter av norsk fiskeoppdrett
Rapport fra havforskningen
2023
Production, fasting and delousing of triploid and diploid salmon in Northern Norway - Report for the 2020-generation
2023
Risikorapport norsk fiskeoppdrett 2023 — Produksjonsdødelighet hos oppdrettsfisk og miljøeffekter av norsk fiskeoppdrett
2023
Delousing Efficacy and Physiological Impacts on Atlantic Salmon of Freshwater and Hyposaline Bath Treatments
2022
Risikorapport norsk fiskeoppdrett 2022 - kunnskapsstatus - Effekter på miljø og dyrevelferd i norsk fiskeoppdrett
2022
Laksvel - Standardisert operasjonell velferdsovervåking for laks i matfiskanlegg
2022
Risikorapport norsk fiskeoppdrett 2022 - risikovurdering — Effekter på miljø og dyrevelferd i norsk fiskeoppdrett
2022
Effekt på dyrevelferd av gjentatte termiske behandlinger med ulik Δt, ulik utgangstemperatur og ulik behandlingstemperatur
2021
Towards a sustainable fishery and use of cleaner fish in salmonid aquaculture. Challenges and opportunities
2021
Tining av fryst laks, effekt av fryselagringstid og tineregime
2021
Andre samlerapport: velferd for triploid laks i Nord-Norge - Sluttrapport, utsett 2018
2021
Tredje samlerapport: Velferd for triploid laks i Nord-Norge - Sluttrapport, utsett 2019
2021
Risikorapport norsk fiskeoppdrett 2021 - kunnskapsstatus
2021
Risikorapport norsk fiskeoppdrett 2021 - risikovurdering
2020
Kunnskapsstatus - miljøeffekter av norsk fiskeoppdrett 2019 : Risikorapport norsk fiskeoppdrett, del 2
2020
Analyse av dødelighetsdata fra spørreundersøkelse om velferd hos rensefisk
2020
Welfare Indicators for farmed rainbow Trout: Tools for assessing Fish welfare
2020
Velferdsindikatorer for regnbueørret i oppdrett: Hvordan vurdere og dokumentere fiskevelferd
2019
Første samlerapport: Velferd for triploid laks i Nord-Norge
2019
Risikorapport norsk fiskeoppdrett 2019 - Miljøeffekter av lakseoppdrett
2019
Intervju fjørfe. Samling av notater fra intervju blant fjørfenæring og -forvaltning
2019
Intervju om fiskevelferd. Samling av notater fra feltarbeid og intervju blant oppdrettsnæring og forvaltning
2019
Resultat om dyrevelferd. Svar på spørreundersøkelse blant kyllingbønder
2019
Resultat om fiskevelferd til internt bruk. Svar på spørreundersøkelse blant oppdrettere og forvaltning
2019
The Well – Mixing skirt and freshwater lens concepts with smart-lighting and -feeding to enhance lice prevention and safeguard fish welfare
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”
2019
Avlusing med kaldt vann? – effektivitet og laksens velferd — sluttrapport FHF prosjekt 901488
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
2018
Lusepåslag og velferd hos dypfôret og overflatefôret laks på lokalitet Skrubbholmen midtvinters.
2018
Risikorapport norsk fiskeoppdrett 2018
2018
Assessment of long-term implementation of sea lice prevention technologies: efficiency in reducing infestations and impact on fish welfare
2018
Do diploid Atlantic salmon (Salmo salar) have a higher swimming capacity than triploid?
2018
Welfare Indicators for farmed Atlantic salmon: Tools for assessing fish welfare
2018
Lusepåslag og velferd hos dypfôret og overflatefôret laks på lokalitet Skrubbholmen midtvinters. – Delrapport fra FHF-prosjekt 901154 «Dypelysogfôring»
2018
Velferdsindikatorer for oppdrettslaks: Hvordan vurdere og dokumentere fiskevelferd. 3. utgave
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.
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”
2017
Varmebehandling av laks i forbindelse med avlusing - Rapport til Mattilsynet
2017
Velferdsindikatorer for oppdrettslaks: Hvordan vurdere og dokumentere fiskevelferd
2016
Risikovurdering av norsk fiskeoppdrett 2016
2016
Snorkelmerd: Produksjonseffektivitet, adferd og velferd.
2015
Permanent skjørt for redusering av luspåslag på laks
2013
Risikovurdering norsk fiskeoppdrett 2012
2012
Erfaringer og analyser fra drift av oppdrettsanlegg på eksponerte lokaliteter
2010
Ny teknologi for overvåking av oppdrettsmiljø og fiskevelferd i oppdrettsmerder. Sluttrapport for FHF prosjekt 900085
2006
Application of machine vision to quantify rigor development, colour and fat content in slaughtered fish
Net reports
Net reports
- Velferd til laks i nyere produksjonsteknologi mot lus – forundersøkelse
- Production, fasting and delousing of triploid and diploid salmon in Northern Norway
- Risikorapport norsk fiskeoppdrett 2025
- Risikorapport norsk fiskeoppdrett 2024
- Production, fasting and delousing of triploid and diploid salmon in Northern Norway
- Delousing Efficacy and Physiological Impacts on Atlantic Salmon of Freshwater and Hyposaline Bath Treatments
- Risikorapport norsk fiskeoppdrett 2023
- Effekt på dyrevelferd av gjentatte termiske behandlinger med ulik Δt, ulik utgangstemperatur og ulik behandlingstemperatur
- Laksvel
- Risikorapport norsk fiskeoppdrett 2022 - risikovurdering
- Risikorapport norsk fiskeoppdrett 2022 - kunnskapsstatus
- Tredje samlerapport: Velferd for triploid laks i Nord-Norge
- Andre samlerapport: velferd for triploid laks i Nord-Norge
- Risikorapport norsk fiskeoppdrett 2021 - risikovurdering
- Risikorapport norsk fiskeoppdrett 2021 - kunnskapsstatus
- Kunnskapsstatus - miljøeffekter av norsk fiskeoppdrett 2019
- Analyse av dødelighetsdata fra spørreundersøkelse om velferd hos rensefisk
- Risikorapport norsk fiskeoppdrett 2019
- Første samlerapport: Velferd for triploid laks i Nord-Norge
- Avlusing med kaldt vann? – effektivitet og laksens velferd
- Summary and status of deep lights and deep feed use in commercial settings: welfare, behaviour and infestation at three case study sites
- The Well – Mixing skirt and freshwater lens concepts with smart-lighting and -feeding to enhance lice prevention and safeguard fish welfare
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