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Biography Bjørn Roth

Competence Main competence is the subject on welfare and quality related to stunning and slaughter of farmed fish and decapods. Also been working growth and maturation of farmed fish. Have over 25 peer reviewed articles on the current subject Education Technical education from the Norwegian Royal Navy. Master degree on Aquaculture from Univeristy of Bergen. PhD

Bjørn Roth has 64 publications at Nofima:

Modelling water and salt diffusion of cold-smoked Atlantic salmon initially immersed in refrigerated seawater versus on ice

Chan, Sherry Stephanie; Feyissa, Aberham Hailu; Jessen, Flemming; Roth, Bjørn; Jakobsen, Anita Nordeng; Lerfall, Jørgen

2021

Academic article

The effect of alternate-day feeding on growth and feed conversion in Atlantic cod Gadus morhua

Bjørnevik, Marit; Imsland, Albert K. D.; Hanssen, Henriette; Roth, Bjørn; Vikingstad, Erik; Foss, Atle

2021

Academic article

Evaluation of physical and instrumentally determined sensory attributes of Atlantic salmon portions packaged in modified atmosphere and vacuum skin

Chan, Sherry Stephanie; Skare, Maren; Rotabakk, Bjørn Tore; Sivertsvik, Morten; Lerfall, Jørgen; Løvdal, Trond; Roth, Bjørn

2021

Academic article

A comparative study on quality, shelf life and sensory attributes of Atlantic salmon slaughtered on board slaughter vessels against traditional land-based facilities.

Skare, Maren; Chan, Sherry Stephanie; Handeland, Sigurd Olav; Løvdal, Trond; Lerfall, Jørgen; Roth, Bjørn

2021

Academic article

A comparative study of Atlantic salmon chilled in refrigerated seawater versus on ice: from whole fish to cold-smoked fillets

Chan, Sherry Stephanie; Roth, Bjørn; Jessen, Flemming; Løvdal, Trond; Jakobsen, Anita Nordeng; Lerfall, Jørgen

2020

Academic article

Effect of superchilling on Atlantic salmon quality through the value chain

Chan, Sherry Stephanie; Roth, Bjørn; Skare, Maren; Hernar, Malin; Jessen, Flemming; Løvdal, Trond; Jakobsen, Anita Nordeng; Lerfall, Jørgen

2020

Article in business/trade/industry journal

Effects of short-term starvation periods on flesh quality in Arctic charr (Salvelinus alpinus) in different seasons

Imsland, Albert; Roth, Bjørn; Christensen, Line Bach; Siikavuopio, Sten Ivar; Foss, Atle

2020

Academic article

Catch me if you can: How to recapture lumpfish using light as an attractant

Foss, Atle; Imsland, Albert; Roth, Bjørn; Nytrø, Ane Vigdisdatter

2020

Academic article

Effect of chilling technologies on water holding properties and other quality parameters throughout the whole value chain: From whole fish to cold-smoked fillets of Atlantic salmon (Salmo salar)

Chan, Sherry Stephanie; Roth, Bjørn; Skare, Maren; Hernar, Malin; Jessen, Flemming; Løvdal, Trond; Jakobsen, Anita Nordeng; Lerfall, Jørgen

2020

Academic article

Physiological and flesh quality consequences of pre-mortem crowding stress in Atlantic mackerel (Scomber scombrus)

Anders, Neil; Eide, Ida; Lerfall, Jørgen; Roth, Bjørn; Breen, Michael

2020

Academic article

Assessing the effectiveness of an electrical stunning and chilling protocol for the slaughter of Atlantic mackerel (Scomber scombrus)

Anders, Neil; Roth, Bjørn; Grimsbø, Endre; Breen, Michael

2019

Academic article

Flesh quality of Atlantic salmon smolts reared at different temperatures and photoperiods

Imsland, Albert; Roth, Bjørn; Døskeland, Inge; Fjelldal, Per Gunnar; Stefansson, Sigurd Olav; Handeland, Sigurd O; Mikalsen, Bjørn

2019

Academic article

Physiological response of temperature shocks in turbot and sole

Foss, Atle; Imsland, Albert; van de Vis, Hans; Abbink, Wout; Lambooij, Bert; Roth, Bjørn

2019

Academic article

Del A. Fiskevelferd og oppdrettslaks, kunnskap og teoretisk bakgrunn

Nilsson, Jonatan; Stien, Lars Helge; Iversen, Martin Haugmo; Kristiansen, Tore S; Torgersen, Thomas; Oppedal, Frode; Folkedal, Ole; Hvas, Malthe; Gismervik, Kristine; Ellingsen, Kristian; Nielsen, Kristoffer Vale; Mejdell, Cecilie Marie; Kolarevic, Jelena; Izquierdo-Gómez, David; Sæther, Bjørn-Steinar; Espmark, Åsa Maria Olofsdotter; Midling, Kjell Øivind; Roth, Bjørn; Turnbull, James F.; Noble, Christopher

2018

Chapter

Stunning and killing of spottet wolffish prior to slaughter

Roth, Bjørn

2018

Nofima reports

The development of large scale aquaculture production: A comparison of the supply chains for chicken and salmon

Asche, Frank; Cojocaru, Andreea-Laura; Roth, Bjørn

2018

Academic article

Velferdsindikatorer for oppdrettslaks: Hvordan vurdere og dokumentere fiskevelferd - Del A. fiskevelferd og oppdrettslaks, kunnskap og teoretisk bakgrunn

Nilsson, Jonatan; Stien, Lars Helge; Iversen, Martin Haugmo; Kristiansen, Tore S; Torgersen, Thomas; Oppedal, Frode; Folkedal, Ole; Hvas, Malthe; Gismervik, Kristine; Ellingsen, Kristian; Nielsen, Kristoffer Vale; Mejdell, Cecilie Marie; Kolarevic, Jelena; Gomez, David Izquierdo; Sæther, Bjørn-Steinar; Espmark, Åsa Maria Olofsdotter; Midling, Kjell Øyvind; Roth, Bjørn; Turnbull, James F.; Noble, Chris

2017

Chapter

The effect of continuous light at low temperatures on growth in Atlantic salmon reared in commercial size sea pens

Imsland, Albert; Roth, Bjørn; Fjelldal, Per Gunnar; Stefansson, Sigurd Olav; Handeland, Sigurd O; Mikalsen, Bjørn

2017

Academic article

Beste praksis for medikamentfrie metoder for lakseluskontroll (MEDFRI) - Faglig sluttrapport

Holan, Astrid Buran; Roth, Bjørn; Breiland, Mette Serine Wesmajervi; Kolarevic, Jelena; Hansen, Øyvind J; Iversen, Audun; Hermansen, Øystein; Gjerde, Bjarne; Hatlen, Bjarne; Mortensen, Atle; Lein, Ingrid; Johansen, Lill-Heidi; Noble, Chris; Gismervik, Kristine; Espmark, Åsa Maria Olofsdotter

2017

Nofima reports

A comparative study of diploid versus triploid Atlantic salmon (Salmo salar L.). The effects of rearing temperatures (5, 10 and 15 °C) on raw material characteristics and storage quality

Lerfall, Jørgen; Hasli, Pål Rune; Skare, Even Flønes; Olsen, Rolf Erik; Rotabakk, Bjørn Tore; Roth, Bjørn; Slinde, Erik; Egelandsdal, Bjørg Tordis

2017

Academic article

Kan revolusjonere norsk lakseeksport

Roth, Bjørn

2016

Popular scientific article

Effectiveness of tail-first dry electrical stunning, followed by immersion in ice water as a slaughter (killing) procedure for turbot (Scophthalmus maximus) and common sole (Solea solea)

Daskalova, A.H.; Bracke, Marc B.M.; van de Vis, J.W.; Roth, Bjørn; Reimert, Henny G.M.; Burggraaf, Dirk; Lambooij, Elbert

2016

Academic article

Electrical stunning of edible crabs (Cancer pagurus): From single experiments to commercial practice

Roth, Bjørn; Grimsbø, Endre

2016

Academic article

Rapport/Report 59/2016 - English summary

Roth, Bjørn

2016

Nofima reports

Effects of starvation, subsequent feeding and photoperiod on flesh quality in farmed cod (Gadus morhua)

Bjørnevik, Marit; Hanssen, Henriette; Roth, Bjørn; Foss, Atle; Vikingstad, Erik J.M; Solberg, Christel; Imsland, Albert

2016

Academic article

The effect of low temperatures and photoperiods on growth and vertebra morphometry in Atlantic salmon

Døskeland, Inge; Imsland, Albert; Fjelldal, Per Gunnar; Stefansson, Sigurd Olav; Roth, Bjørn; Eriksen, Katrine Eikeland; Mikalsen, Bjørn; Handeland, Sigurd Olav

2016

Academic article

Optimal AC frequency range for electro-stunning of Atlantic salmon (Salmo salar)

Grimsbø, Endre; Nortvedt, Ragnar; Hjertaker, Bjørn Tore; Hammer, Erling; Roth, Bjørn

2016

Academic article

Sluttrapport: Levendekjøling med CO2 effekt av vannkvalitet på stressresponsen hos oppdrettslaks

Foss, Atle; Grimsbø, Endre; Mangor-Jensen, Anders; Roth, Bjørn

2015

Report

Pre-mortem stress and the subsequent effect on flesh quality of pre-rigor filleted Atlantic salmon (Salmo salar L.) during ice storage

Lerfall, Jørgen; Roth, Bjørn; Skare, Even Flønes; Henriksen, Aksel; Betten, Tore; Dziatkowiak-Stefaniak, Magdalena; Rotabakk, Bjørn Tore

2015

Academic article

Effects of filleting method, stress, storage and season on the quality of farmed Atlantic cod (Gadus morhua L.)

Jørpeland, Gaute; Imsland, Albert; Stien, Lars Helge; Bleie, Hogne; Roth, Bjørn

2015

Academic article

Preventing injuries and recovery for electrically stunned Atlantic salmon (Salmo salar) using high frequency spectrum combined with a thermal shock

Grimsbø, Endre; Nortvedt, Ragnar; Hammer, Erling; Roth, Bjørn

2014

Academic article

The shelf life of farmed turbot (Scophthalmus maximus)

Roth, Bjørn; Kramer, Lene; Skuland, Aase Vorre; Løvdal, Trond ; Øines, Sigurd; Foss, Atle; Imsland, Albert

2014

Academic article

Effect of blood removal protocol and superchilling on quality parameters of prerigor filleted farmed atlantic cod (Gadus morhua)

Rotabakk, Bjørn Tore; Bleie, Hogne; Stien, Lars Helge; Roth, Bjørn

2014

Academic article

Long-term effect of photoperiod manipulation on growth, maturation and flesh quality in turbot

Imsland, Albert; Gunnarsson, Snorri; Roth, Bjørn; Foss, Atle; Le Deuff, Soizic; Norberg, Birgitta; Thorarensen, Helgi; Helming, Thomas

2013

Academic article

Short-term exposure to continuous light delays sexual maturation and increases growth of Atlantic cod in sea pens

Imsland, Albert; Hansen, Henriette; Foss, Atle; Vikingstad, Erik; Roth, Bjørn; Bjørnevik, Marit; Powell, Mark Darryn; Solberg, Christel; Norberg, Birgitta

2013

Academic article

Rapport/Report 41/2013, English Summary

Roth, Bjørn; Heia, Karsten; Skåra, Torstein; Sone, Izumi; Birkeland, Sveinung; Jakobsen, Ronny Andre; Evensen, Tor Hatten; Akse, Leif

2013

Nofima reports

Electrical Stunning of Edible Crabs

Roth, Bjørn; Grimsbø, Endre

2013

Nofima reports

Slaughter of Atlantic salmon (Salmo salar L.) in the presence of carbon monoxide

Bjørlykke, Gry Aletta; Kvamme, Bjørn Olav; Raae, Arnt Johan; Roth, Bjørn; Slinde, Erik

2013

Academic article

Effect of different feeding regimes on growth in juvenile Atlantic cod, Gadus morhua L

Hanssen, Henriette; Imsland, Albert; Foss, Atle; Vikingstad, Erik; Bjørnevik, Marit; Solberg, Christel; Roth, Bjørn; Norberg, Birgitta; Powell, Mark Darryn

2012

Academic article

Stress associated with commercial longlining and recreational fishing of saithe (Pollachius virens) and the subsequent effect on blood gases and chemistry

Roth, Bjørn; Rotabakk, Bjørn T

2012

Academic article

Crowding, pumping and stunning of Atlantic salmon, the subsequent effect on pH and rigor mortis

Roth, Bjørn; Grimsbø, Endre; Slinde, Erik; Foss, Atle; Stien, Lars Helge; Nortvedt, Ragnar

2012

Academic article

Live chilling of Atlantic salmon: physiological response to handling and temperature decrease on welfare

Foss, A.; Grimsbø, Endre; Vikingstad, E; Nortvedt, Ragnar; Slinde, Erik; Roth, Bjørn

2012

Academic article

Velferd og slakting

Bjørlykke, Gry Aletta; Kvamme, Bjørn Olav; Slinde, Erik; Roth, Bjørn; Mejdell, Cecilie Marie

2011

Popular scientific chapter/article

The effects of carbon monoxide on Atlantic salmon (Salmo solar L.)

Bjørlykke, Gry Aletta; Roth, Bjørn; Sørheim, Oddvin; Kvamme, Bjørn Olav; Slinde, Erik

2011

Academic article

Rapport/Report 22/2010 English summary

Jørpeland, Gaute; Roth, Bjørn

2010

Nofima reports

Effect of pre-slaughter procedures on stress responses and some quality parameters in sea-farmed rainbow trout (Oncorhynchus mykiss)

Merkin, Grigory; Roth, Bjørn; Gjerstad, Camilla; Dahl-Paulsen, Erik; Nortvedt, Ragnar

2010

Academic article

Stunning and killing of edible crabs (Cancer pagurus)

Roth, Bjørn; Øines, Sigurd

2010

Academic article

The influence of anaerobic muscle activity, maturation and season on the flesh quality of farmed turbot

Roth, Bjørn; Imsland, Albert; Stien, Lars Helge; Schelvis-Smit, Rian; Gunnarsson, Snorri; Foss, Atle

2010

Academic article

Electrical stimulation of Atlantic salmon muscle and the effect on flesh quality

Roth, Bjørn; Nortvedt, Ragnar; Slinde, Erik; Foss, Atle; Grimsbø, Endre; Stien, Lars Helge

2010

Academic article

Percussion and electrical stunning of Atlantic salmon (Salmo salar) after dewatering and subsequent effect on brain and heart activities

Lambooij, Bert; Grimsbø, Endre; Vis, Hans van de; Reimert, Henny G.M.; Nortvedt, Ragnar; Roth, Bjørn

2010

Academic article

Relations between muscle pH and flesh color of Atlantic halibut

Roth, Bjørn; Imsland, Albert

2009

Academic article

Factors affecting residual blood and subsequent effect on bloodspotting in smoked Atlantic salmon fillets

Roth, Bjørn; Obach, Alex; Hunter, Dougie; Nortvedt, Ragnar; Oyarzun, Fernando

2009

Academic article

Long-term effect of photoperiod manipulation on growth, maturation and flesh quality in Atlantic halibut

Imsland, Albert; Roth, Bjørn; Foss, Atle; Vikingstad, Erik J.M; Stefansson, Sigurd Olav; Pedersen, Skjalg; Sandvik, Trond; Norberg, Birgitta

2009

Academic article

Compensatory growth in Atlantic halibut: Effect of starvation and subsequent feeding on growth, maturation, feed utilization and flesh quality

Foss, Atle; Imsland, Albert; Vikingstad, Erik J.M; Stefansson, Sigurd Olav; Norberg, Birgitta; Pedersen, Skjalg; Sandvik, Trond; Roth, Bjørn

2009

Academic article

Stunning, pre slaughter and filleting conditions of Atlantic salmon and subsequent effect on flesh quality on fresh and smoked fillets

Roth, Bjørn; Birkeland, Sveinung; Oyarzun, Fernando

2009

Academic article

Live chilling of turbot and subsequent effect on behaviour, muscle stiffness, muscle quality, blood gases and chemistry

Roth, Bjørn; Imsland, Albert; Foss, Atle

2009

Academic article

Relationship between Muscle pH and Flesh Color of Atlantic Halibut

Roth, Bjørn; Foss, Atle; Imsland, Albert

2009

Academic article

Using electricity as a tool in quality studies of Atlantic salmon

Roth, Bjørn; Øines, Sigurd; Rotabakk, Bjørn Tore; Birkeland, Sveinung

2008

Academic article

Effect of various electric field strengths and current durations on stunning and spinal injuries of Atlantic herring

Nordgreen, Andreas Hoel; Slinde, Erik; Møller, Dag; Roth, Bjørn

2008

Academic article

Plasma insulin-like growth factor-I concentrations and growth in juvenile halibut (Hippoglossus hippoglossus): Effects of photoperiods and feeding regimes

Imsland, Albert; Foss, Atle; Roth, Bjørn; Stefansson, Sigurd; Vikingstad, Erik J.M; Pedersen, Skjalg; Sandvik, Trond; Norberg, Birgitta

2008

Academic article

From cage to table

Kiessling, Anders; Bjørnevik, Marit; Rørå, Mia B.; Thomassen, Magny Skinlo; Mørkøre, Turid; Roth, Bjørn; Erikson, Ulf; Jordheim, Odd

2007

Academic chapter/article/Conference paper

Slaughter quality and rigor contraction in farmed turbot (Scophthalmus maximus); a comparison between different stunning methods

Roth, Bjørn; Imsland, Albert; Gunnarsson, Snorri; Foss, Atle; Schelvis-Smit, Rian

2007

Academic article

Exsanguination of turbot and the effect on fillet quality measured mechanically, by sensory evaluation, and with computer vision

Roth, Bjørn; Schelvis, R.; Stien, Lars Helge; Foss, Atle; Nortvedt, Ragnar; Imsland, Albert

2007

Academic article

Is humane slaughter of fish possible for industry?

Vis, Hans van de; Kestin, Steve; Robb, David; Oehlenschläger, Jörg; Lambooij, Bert; Münkner, Werner; Kuhlmann, Holmer; Kloosterboer, Karin; Tejada, Margarita; Huidobro, Almudena; Otterå, Håkon; Roth, Bjørn; Sørensen, Nils Kristian; Akse, Leif; Byrne, Hazel; Nesvadba, Paul

2003

Academic article

Seafood quality

1. March 2015 – 28. February 2019

In this multi-disciplinary project we have studied the entire value chain for mackerel and farmed salmon.