2017
Prolonged intestinal transit and diarrhea in patients with an activating GUCY2C mutation
Hilde Løland Von Volkmann, Ingeborg Brønstad, Odd Helge Gilja, Rune Rose Tronstad, Dag André Sangnes, Ragnar Nortvedt, Trygve Hausken, Georg Gjorgji Dimcevski, Torunn Fiskerstrand, Kim Nylund
PLOS ONE
12
2016
Optimal AC frequency range for electro-stunning of Atlantic salmon (Salmo salar)
Endre Grimsbø, Ragnar Nortvedt, Bjørn Tore Hjertaker, Erling Hammer, Bjørn Roth
Aquaculture
451
p. 283-288
2014
Preventing injuries and recovery for electrically stunned Atlantic salmon (Salmo salar) using high frequency spectrum combined with a thermal shock
Endre Grimsbø, Ragnar Nortvedt, Erling Hammer, Bjørn Roth
Aquaculture
434
p. 277-281
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
2013
Comparison of fillet composition and initial estimation of shelf life of cobia (Rachycentron canadum) fed raw fish or fish silage moist diets
Diep Mach Ellertsen, Ragnar Nortvedt
Aquaculture Nutrition
19
p. 333-342
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
2012
Live chilling of Atlantic salmon: physiological response to handling and temperature decrease on welfare
A. Foss, Endre Grimsbø, E Vikingstad, Ragnar Nortvedt, Erik Slinde, Bjørn Roth
38
p. 565-571
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
2011
Free amino acid distribution in plasma and liver of juvenile cobia (Rachycentron canadum) fed increased levels of lizardfish silage
Diep Thi Ngoc Mach, Ragnar Nortvedt
Aquaculture Nutrition
17
p. E644-E656
2010
Effect of pre-slaughter procedures on stress responses and some quality parameters in sea-farmed rainbow trout (Oncorhynchus mykiss)
Grigory Merkin, Bjørn Roth, Camilla Gjerstad, Erik Dahl-Paulsen, Ragnar Nortvedt
Aquaculture
309
p. 231-235
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
Percussion and electrical stunning of Atlantic salmon (Salmo salar) after dewatering and subsequent effect on brain and heart activities
Bert Lambooij, Endre Grimsbø, Hans van de Vis, Henny G.M. Reimert, Ragnar Nortvedt, Bjørn Roth
Aquaculture
300
p. 107-112
2010
Effects on digestibility and growth of juvenile cobia (Rachycentron canadum) fed fish or crab silage protein
Diep Thi Ngoc Mach, Mao Dinh Nguyen, Ragnar Nortvedt
Aquaculture Nutrition
16
p. 305-312
2009
Laksebein i fôr til torsk. - Biologisk evaluering av laksebeinmel som alternativ proteinkilde i torskefôr
Sissel Albrektsen, Åshild Krogdahl, Ragnar Nortvedt, Kjartan Sandnes, Marie Hillestad
Rubin
178
2009
Chemical and nutritional quality of silage made from raw or cooked lizard fish (Saurida undosquamis) and blue crab (Portunus pelagicus)
Diep Thi Ngoc Mach, Ragnar Nortvedt
Journal of the Science of Food and Agriculture
89
p. 2519-2526
2009
A consumer preference study of raw Norwegian rainbow trout (Oncorhynchus mykiss) as sashimi with focus on young adults in Japan
Izumi Sone, Ragnar Nortvedt
44
p. 2055-2061
2009
Factors affecting residual blood and subsequent effect on bloodspotting in smoked Atlantic salmon fillets
Bjørn Roth, Alex Obach, Dougie Hunter, Ragnar Nortvedt, Fernando Oyarzun
Aquaculture
297
p. 163-168
2007
Optimization of activated carbon-based decontamination of fish oil by response surface methodology
Åge Oterhals, Marianne Solvang, Ragnar Nortvedt, MARC BERNTSSEN
European Journal of Lipid Science and Technology
109
p. 691-705
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
Quality characterization of farmed Atlantic halibut during ice storage
Christelle Guillerm-Regost, Trine Haugen, Nortvedt Ragnar, Mats Carlehög, Bjørn-Tore Lunestad, Anders Kiessling, Anna Maria Bencze Rørå
Journal of Food Science
71
p. 83-90
2006
Seasonal variations in muscle growth dynamics and selected quality attributes in Atlantic halibut (Hippoglossus hippoglossus L.) fed dietary lipids containing soybean and/or herring oil under different rearing regimes
Trine Haugen, Anders Kiessling, Rolf Erik Olsen, Mia Rørå Bencze, Erik Slinde, Nortvedt Ragnar
Aquaculture
261
p. 565-579
2006
Compensatory growth and fillet crude composition in juvenile Atlantic halibut: Effects of short term starvation periods and subsequent feeding
Andreas Heide, Atle Foss, Sigurd Stefansson, Ian Mayer, Birgitta Norberg, Bjørn Roth, Mads D. Jenssen, Ragnar Nortvedt, Albert Imsland
Aquaculture
261
p. 109-117
2006
Nutritional composition of blubber and meat of hooded seal (Cystophora cristata) and harp seal (Phagophilus groenlandicus) from Greenland
Linn Anne Bjelland Brunborg, Kåre Julshamn, Ragnar Nortvedt, Livar Frøyland
Food Chemistry
96
p. 524-531
2006
Quality characterization of farmed Atlantic halibut during ice storage
C. Guillerm-Regost, T. Haugen, Ragnar Nortvedt, M. Carlehög, B.T. Lunestad, A. Kiessling, A.M.B. Rørå
Journal of Food Science
71
p. S83-S90
2006
Seasonal variations in muscle growth dynamics and selected quality attributes in Atlantic halibut (Hippoglossus hippoglossus L.) fed dietary lipids containing soybean and/or herring oil under different rearing regimes
T. Haugen, A Kiessling, R.E. Olsen, Anna Maria Bencze Rørå, E. Slinde, Ragnar Nortvedt
Aquaculture
261
p. 565-579
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
2004
Interactions between ice storage time, collagen composition, gaping and textural properties in farmed salmon muscle harvested at different times of the year
Marit Espe, Kari Ruohonen, Marit Bjørnevik, Livar Frøyland, Nortvedt Ragnar, Anders Kiessling
Aquaculture
240
p. 489-504
1991
Multivariate approach to the study of fish growth
Ragnar Nortvedt, Tom Johnny Hansen, Frode Brakstad, Trygve Lunde, Steinar Skybakmoen
Chemometrics and Intelligent Laboratory Systems
14
p. 279-286
1990
First feeding of Atlantic salmon, Salmo salar L., under different photoperiods and light intensities
Sigurd Olav Stefansson, Ragnar Nortvedt, Tom Johnny Hansen, Geir Lasse Taranger
Aquaculture and Fisheries Management
21
p. 435-441
1986
The effect of a short time exposure to different temperature and salinity regimes on survival of maturing Atlantic salmon and eyed eggs, and changes in blood and seminal plasma during the spawning period
Sissel Albrektsen, Ragnar Nortvedt, Ole Torrissen
ICES Journal of Marine Science
F:25
2016
Measuring methods for fish welfare during slaughter based on electrical impedance, EEG, ECG and blood parameters
Endre Grimsbø, Ragnar Nortvedt
2016
Measuring methods for fish welfare during slaughter based on electrical impedance, EEG, ECG and blood
Endre Grimsbø, Ragnar Nortvedt
2007
The opportunities in the catfish surplus market in Vietnam
Nortvedt, Ragnar
2007
Effects of synthetic antioxidants and light exporsure on fish oil oxidation and effects of graded levels of CoQ10 in fish feed on accumulation in fillet and liver of Atlantic salmon (Salmo salar L.)
Veronika Tkachenko, Ragnar Nortvedt
2007
Injection of pre rigor fillets from Atlantic salmon (Salmo salar) and Atlantic cod (Gadus morhua) with salt solutions of Na+, Ca2+, and distilled water. The effect on rigor morits, texture, colour, and weight changes
Ana Maria Gutiérrez, Ragnar Nortvedt
2006
Tilsetning og forekomst av Listeria monocytogenes i rakfisk under systematisk variasjon i salt, sukker, nisin, melkesyrebakterier og variabel lagringstemperatur, samt effekter på sensorisk kvalitet
Kathrine Marie Løkling Lunde, Ragnar Nortvedt
2006
Anbefalinger av kjemiske kvalitetsmetoder og prøvetakingsstørrelse på islagret oppdrettet og vill atlantisk torsk (Gadus morhua)
Siri Smith-Giske, Ragnar Nortvedt
2006
Occurrence and distribution of parasitic Anisakis sp. larvae (Nematoda, Anisakidae) in the body musculature of Atlantic mackerel (Scomber scombrus) and Norwegian spring spawning herring (Clupea harengus)
Hiswaty Hafid, Ragnar Nortvedt
2006
Anvendelse av Nær Infrarød Spektroskopi og kvalitetsindeksmetoden for å bestemme holdbarhet i torsk (Gadus morhua)
Linn Eide, Ragnar Nortvedt
2006
Effects of graded levels of vitamin C and vitamin E on the oxidation status and color appearance of cool stored fillets and liver of Atlantic cod (Gadus morhua)
Thao La Xuan, Ragnar Nortvedt
2006
Effekt av ulike bedøvelses- og slaktetemperaturregimer på korttidsstress og kvalitet hos oppdrettstorsk (Gadus morhua), vurdert ved kvalitetsindeksmetoden (QIM)
Halldis Olsen, Ragnar Nortvedt
2006
Muscle growth dynamics and quality of Atlantic halibut (Hippoglossus hippoglossus L.)
Trine Haugen, Ragnar Nortvedt
2006
Application of machine vision to quantify rigor development, colour and fat content in slaughtered fish
Lars Helge Stien, Ragnar Nortvedt
2006
ATP degradation, fillet contraction and sensory evaluation of farmed Atlantic cod (Gadus morhua) subjected to a handling stress situation and starvation
Amir Ebrahim Yazdanpanah Amin, Ragnar Nortvedt
2004
The fatty acid contents in the muscle and liver of wild, fed-wild and farmed cod (Gadus morhua), and its development of rancidity during storage in ice or in slurry
Thi Ngoc Diep Mach, Ragnar Nortvedt
2004
A comparison of the quality deterioration in the Atlantic cod (Gadus morhua) and the Nile perch (Lates niloticus) stored in ice or slurry
John Bosco Ahimbisibwe, Ragnar Nortvedt
1997
A multivariate approach to the study of growth, feed utilization, body composition and sensory assessment of cultured Atlantic halibut (Hippoglossu hippoglossus, L., 1758)
Nortvedt, Ragnar