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Erik-Jan Lock

erik jan
Forskningssjef
Telephone: 95401244
Department: Feed and nutrition
Publications

Publications

Academic articles

2020

Higher dietary micronutrients are required to maintain optimal performance of Atlantic salmon (Salmo salar) fed a high plant material diet during the full production cycle

Luisa M. Vera, Kristin Hamre, Marit Espe, Gro Ingunn Hemre, Kaja Helvik Skjærven, Erik-Jan Lock, P. Antony Jesu Prabhu, Daniel Leeming, Herve Migaud, Douglas R. Tocher, John F. Taylor
Aquaculture 528
2020

Dietary selenium required to achieve body homeostasis and attenuate pro-inflammatory responses in Atlantic salmon post-smolt exceeds the present EU legal limit

P. Antony Jesu Prabhu, Elisabeth Holen, Marit Espe, Marta Sofia Silva, May-Helen Holme, Kristin Hamre, Erik-Jan Lock, Rune Waagbø
Aquaculture 526:735413 p. 1-14
2020

Dietary micronutrient composition affects fillet texture and muscle cell size in Atlantic salmon (Salmo salar)

Kristin Hamre, Marit Bjørnevik, Marit Espe, Luis E. C. Conceição, Johan Johansen, Joana Silva, Marie Hillestad, P. Antony Jesu Prabhu, John F. Taylor, Douglas R. Tocher, Erik-Jan Lock, Gro Ingunn Hemre
Aquaculture Nutrition 26 p. 936-945
2020

Total replacement of fish meal with black soldier fly (Hermetia illucens) larvae meal does not compromise the gut health of Atlantic salmon (Salmo salar)

Yanxian Li, Trond M. Kortner, Elvis Mashingaidze Chikwati, Ikram Belghit, Erik-Jan Lock, Åshild Krogdahl
Aquaculture 520 p. 1-8
2019

Growth and safety assessment of feed streams for black soldier fly larvae: A case study with aquaculture sludge

Eric Schmitt, Ikram Belghit, Johan Johansen, Raymond Leushuis, Erik-Jan Lock, Diede Melsen, Ram Kathirampatti Ramasamy Shanmugam, Joop Van Loon, Aman Paul
Animals 9
2019

Total replacement of dietary fish meal with black soldier fly (Hermetia illucens) larvae does not impair physical, chemical or volatile composition of farmed Atlantic salmon (Salmo salar L.)

Leonardo Bruni, Ikram Belghit, Erik-Jan Lock, Giulia Secci, Cosimo Taiti, Giuliana Parisi
Journal of the Science of Food and Agriculture 100 p. 1038-1047
2019

Species-specific discrimination of insect meals for aquafeeds by direct comparison of tandem mass spectra

Ikram Belghit, Erik-Jan Lock, Olivier Fumière, Marie-Caroline Lecrenier, Patricia Renard, Marc Dieu, Marc Berntssen, Magnus Palmblad, Josef Daniel Rasinger
Animals 9
2019

Recommendations for dietary level of micro-minerals and vitamin D3 to Atlantic salmon (Salmo salar) parr and post-smolt when fed low fish meal diets

Antony Jesu Prabhu Antony Jesu Prabhu, Erik-Jan Lock, Gro Ingunn Hemre, Kristin Hamre, Marit Espe, Pål Asgeir Olsvik, Joana Silva, Ann-Cecilie Hansen, Johan Johansen, Nini Sissener, Rune Waagbø
PeerJ 7
2019

Enhanced micronutrient supplementation in low marine diets reduced vertebral malformation in diploid and triploid Atlantic salmon (Salmo salar) parr, and increased vertebral expression of bone biomarker genes in diploids

Luisa María Vera, Erik-Jan Lock, Kristin Hamre, Herve Migaud, Daniel Leeming, Douglas R. Tocher, John F. Taylor
237 p. 1-13
2019

Effect of levels and sources of dietary manganese on growth and mineral composition of post-smolt Atlantic salmon fed low fish meal, plant-based ingredient diets

Antony Jesu Prabhu Phillip, Marta Sofia Silva, Saskia Kröeckel, May-Helen Holme, Robin Ørnsrud, Heidi Amlund, Erik-Jan Lock, Rune Waagbø
Aquaculture 512:734287 p. 1-9
2019

Replacing fish meal with insect meal in the diet of Atlantic salmon (Salmo salar) does not impact the amount of contaminants in the feed and it lowers accumulation of arsenic in the fillet

Irene Biancarosa, Veronika Sele, Ikram Belghit, Robin Ørnsrud, Erik-Jan Lock, Heidi Amlund
36A p. 1191-1205
2019

Effect of dietary replacement of fish meal with insect meal on in vitro bacterial and viral induced gene response in Atlantic salmon (Salmo salar) head kidney leukocytes

Oda Kvalsvik Stenberg, Elisabeth Holen, Luisa Piemontese, Nina Sylvia Liland, Erik-Jan Lock, Marit Espe, Ikram Belghit
Fish and Shellfish Immunology 91 p. 223-232
2019

Seaweed-fed black soldier fly (Hermetia illucens) larvae as feed for salmon aquaculture: Assessing the risks of pathogen transfer

I Swinscoe, DM Oliver, AS Gilburn, Bjørn Tore Lunestad, Erik-Jan Lock, Robin Ørnsrud, RS Quilliam
Journal of Insects as Food and Feed 5 p. 15-27
2019

Black soldier fly larvae meal can replace fish meal in diets of sea-water phase Atlantic salmon (Salmo salar)

Ikram Belghit, Nina Sylvia Liland, Petter Gjesdal, Irene Biancarosa, Elisa Menchetti, Yanxian Li, Rune Waagbø, Åshild Krogdahl, Erik-Jan Lock
Aquaculture 503 p. 609-619
2019

Gut health and vaccination response in pre-smolt Atlantic salmon (Salmo salar) fed black soldier fly (Hermetia illucens) larvae meal

Yanxian Li, Trond Moxness Kortner, Elvis Mashingaidze Chikwati, Hetron Mweemba Munang´andu, Erik-Jan Lock, Åshild Krogdahl
Fish and Shellfish Immunology 86 p. 1106-1113
2019

The effect of micronutrient supplementation on growth and hepatic metabolism in diploid and triploid Atlantic salmon (Salmo salar) parr fed a low marine ingredient diet

John F. Taylor, L.M. Vera, Christian De Santis, Erik-Jan Lock, Marit Espe, Kaja Helvik Skjærven, DJ Leeming, J del Pozo, J Mota-Velasco, Hervé Migaud, Kristin Hamre, Douglas R. Tocher
227 p. 106-121
2018

Insect-based diets high in lauric acid reduce liver lipids in freshwater Atlantic salmon

Ikram Belghit, Rune Waagbø, Erik-Jan Lock, Nina Sylvia Liland
Aquaculture Nutrition p. 1-15
2018

Potential of insect-based diets for Atlantic salmon (Salmo salar)

Ikram Belghit, Nina Sylvia Liland, Rune Waagbø, Irene Biancarosa, Nicole Pelusio, Yanxian Li, Åshild Krogdahl, Erik-Jan Lock
Aquaculture 491 p. 72-81
2018

Know your fish: A novel compound-specific isotope approach for tracing wild and farmed salmon

Yiming V. Wang, Alex HL Wan, Erik-Jan Lock, Nils Andersen, Christine Winter-Schuh, Thomas Larsen
Food Chemistry 256 p. 380-389
2018

Utilization of H2SO4-hydrolysed phosphorous from herring bone by-products in feed for Atlantic salmon (Salmo salar) 0+ postsmolt

Sissel Albrektsen, Erik-Jan Lock, Grete Bæverfjord, Mona Elisabeth Pedersen, Aleksei Krasnov, Harald Rune Takle, Eva Veiseth-Kent, Robin Ørnsrud, Rune Waagbø, Elisabeth Ytteborg
Aquaculture Nutrition 24 p. 348-365
2018

Changes in water temperature and oxygen: the effect of triploidy on performance and metabolism in large farmed Atlantic salmon

Florian Sambraus, Mette Remen, Rolf Erik Olsen, Tom Johnny Hansen, Rune Waagbø, Thomas Torgersen, Erik-Jan Lock, Albert Imsland, Thomas Fraser, Per Gunnar Fjelldal
Aquaculture Environment Interactions 10 p. 157-172
2018

Mineral nutrition and bone health in salmonids

Grete Bæverfjord, Antony Prabhu, Per Gunnar Fjelldal, Sissel Albrektsen, Bjarne Hatlen, Vegard Denstadli, Elisabeth Ytteborg, Harald Rune Takle, Erik-Jan Lock, Marc Berntssen, Anne-Katrine Lundebye, Torbjørn Einar Åsgård, Rune Waagbø
Reviews in Aquaculture p. 1-26
2018

Chemical characterization of 21 species of marine macroalgae common in Norwegian waters: benefits of and limitations to their potential use in food and feed

Irene Biancarosa, Ikram Belghit, Christian Guido Bruckner, Nina Sylvia Liland, Rune Waagbø, Heidi Amlund, Svenja Heesch, Erik-Jan Lock
Journal of the Science of Food and Agriculture 98 p. 2035-2042
2018

The chemical composition of two seaweed flies (Coelopa frigida and Coelopa pilipes) reared in the laboratory

Irene Biancarosa, Nina Sylvia Liland, Nicola Day, Ikram Belghit, Heidi Amlund, Erik-Jan Lock, Andre S. Gilburn
Journal of Insects as Food and Feed 4 p. 135-142
2018

Zinc uptake in fish intestinal epithelial model RTgutGC: Impact of media ion composition and methionine chelation

Antony Prabhu, Theodora Stewart, Marta Sofia Silva, Heidi Amlund, Robin Ørnsrud, Erik-Jan Lock, Rune Waagbø, Christer Hogstrand
Journal of Trace Elements in Medicine and Biology 50 p. 377-383
2017

Lower levels of Persistent Organic Pollutants, metals and the marine omega 3-fatty acid DHA in farmed compared to wild Atlantic salmon (Salmo salar)

Anne-Katrine L. Haldorsen, Erik-Jan Lock, Josef Daiel Rasinger, Ole Jakob Nøstbakken, Rita Hannisdal, Egil Karlsbakk, Vidar Wennevik, Abdullah Sami Madhun, Lise Madsen, Ingvild Eide Graff, Robin Ørnsrud
Environmental Research 155 p. 49-59
2017

In-depth metabolic profiling of marine macroalgae confirms strong biochemical differences between brown, red and green algae

Ikram Belghit, Josef Daiel Rasinger, Svenja Heesch, Irene Biancarosa, Nina Sylvia Liland, Bente Elisabeth Torstensen, Rune Waagbø, Erik-Jan Lock, Christian Guido Bruckner
Algal Research 26 p. 240-249
2017

Modulation of nutrient composition of black soldier fly (Hermetia illucens) larvae by feeding seaweed-enriched media

Nina Sylvia Liland, Irene Biancarosa, Pedro Araujo, Daan Biemans, Christian Guido Bruckner, Rune Waagbø, Bente Elisabeth Torstensen, Erik-Jan Lock
PLOS ONE 12
2017

Uptake of heavy metals and arsenic in black soldier fly (Hermetia illucens) larvae grown on seaweed-enriched media

Irene Biancarosa, Nina Sylvia Liland, Daan Biemans, Pedro Araujo, Christian Guido Bruckner, Rune Waagbø, Bente Elisabeth Torstensen, Erik-Jan Lock, Heidi Amlund
Journal of the Science of Food and Agriculture 98 p. 2176-2183
2016

Increased dietary phosphorous prevents vertebral deformities in triploid Atlantic salmon (Salmo salar L.)

Per Gunnar Fjelldal, Tom Johnny Hansen, Erik-Jan Lock, Anna Wargelius, Thomas Fraser, Florian Sambraus, A. El-Mowafi, Sissel Albrektsen, Rune Waagbø, Robin Ørnsrud
Aquaculture Nutrition 22 p. 72-90
2016

Utilization of acid hydrolysed phosphorous from herring bone by-products in feed for Atlantic salmon (Salmo salar) start-feeding fry

Elisabeth Ytteborg, Grete Bæverfjord, Erik-Jan Lock, Mona Elisabeth Pedersen, Harald Rune Takle, Robin Ørnsrud, Rune Waagbø, Sissel Albrektsen
Aquaculture 459 p. 173-184
2016

Dietary vitamin A supplementation ameliorates the effects of poly-aromatic hydrocarbons in Atlantic salmon (Salmo salar)

Marc Berntssen, Robin Ørnsrud, Josef Daniel Rasinger, Liv Ingeborg Rosvoll Søfteland, Erik-Jan Lock, Kjersti Kolås, Mari Moren, Ketil Hylland, Joana Silva, Johan Johansen, Kai Kristoffer Lie
Aquatic Toxicology 175 p. 171-183
2016

Amino acid composition, protein content, and nitrogen-to-protein conversion factors of 21 seaweed species from Norwegian waters

Irene Biancarosa, Marit Espe, Christian Guido Bruckner, Svenja Heesch, Nina Sylvia Liland, Rune Waagbø, Bente Elisabeth Torstensen, Erik-Jan Lock
Journal of Applied Phycology
2016

Atlantic salmon (Salmo salar) require increased dietary levels of B-vitamins when fed diets with high inclusion of plant based ingredients

Gro Ingunn Hemre, Erik-Jan Lock, Pål Asgeir Olsvik, Kristin Hamre, Marit Espe, Bente Elisabeth Torstensen, Joana Silva, Ann-Cecilie Hansen, Rune Waagbø, JS Johansen, Monica Sanden, Nini Sissener
PeerJ 2016
2016

Insect larvae meal as an alternative source of nutrients in the diet of Atlantic salmon (Salmo salar) postsmolt

Erik-Jan Lock, Tarique Arsiwalla, Rune Waagbø
Aquaculture Nutrition 22 p. 1202-1213
2016

Antioxidant nutrition in Atlantic salmon (Salmo salar) parr and post-smolt, fed diets with high inclusion of plant ingredients and graded levels of micronutrients and selected amino acids

Kristin Hamre, Nini Sissener, Erik-Jan Lock, Pål Asgeir Olsvik, Marit Espe, Bente Elisabeth Torstensen, Joana da Silva, J. Johannesen, Rune Waagbø, Gro Ingunn Hemre
PeerJ 8
2015

Intake of farmed Atlantic salmon fed soybean oil increases hepatic levels of arachidonic acid-derived oxylipins and ceramides in mice

Lisa Kolden Midtbø, Alison G. Borkowska, Annette Bernhard, Alexander Rønnevik, Erik-Jan Lock, Michael L. Fitzgerald, Bente Elisabeth Torstensen, Bjørn Liaset, Trond Brattelid, Theresa L. Pedersen, John W. Newman, Karsten Kristiansen, Lise Madsen
Journal of Nutritional Biochemistry 26 p. 585-595
2014

Dietary linoleic acid elevates the endocannabinoids 2-AG and anandamide and promotes weight gain in mice fed a low fat diet

Anita Røyneberg Alvheim, Bente Elisabeth Torstensen, Yu Hong Lin, Haldis Haukås Lillefosse, Erik-Jan Lock, Lise Madsen, Livar Frøyland, Joseph R. Hibbeln, Marian Kjellevold Malde
Lipids 49 p. 59-69
2013

Dietary eicosapentaenoic acid supplementation accentuates hepatic triglyceride accumulation in mice with impaired fatty acid oxidation capacity

Zhen-yu Du, Tao Ma, Bjørn Liaset, Alison H. Keenan, Pedro Araujo, Erik-Jan Lock, Laurent Demizieux, Pascal Degrace, Livar Frøyland, Karsten Kristiansen, Lise Madsen
Biochimica et Biophysica Acta - Molecular and Cell Biology of Lipids 1831 p. 291-299
2013

Dietary linoleic acid elevates endogenous 2-arachidonoylglycerol and anandamide in Atlantic salmon (Salmo salar L.) and mice, and induces weight gain and inflammation in mice

Anita Røyneberg Alvheim, Bente Elisabeth Torstensen, Yu Hong Lin, Haldis Haukås Lillefosse, Erik-Jan Lock, Lise Madsen, Joseph R. Hibbeln, Marian Kjellevold Malde
British Journal of Nutrition 109 p. 1508-1517
2013

Establishing an upper level of intake for vitamin A in Atlantic salmon (Salmo salar L.) postsmolts

Robin Ørnsrud, Erik-Jan Lock, Rune Waagbø, Christel Krossøy, Per Gunnar Fjelldal
Aquaculture Nutrition 19 p. 651-664
2013

Toxicokinetic model assessment on the dechlorination of dietary toxaphene CHB-62 into CHB-44 in Atlantic salmon (Salmo salar L.)

Marc Berntssen, Erik-Jan Lock, Marco J. Zeilmaker, Jan C.H. van Eijkeren
30 p. 1581-1589
2012

Dietary phosphorus does not reduce the risk for spinal deformities in a model of adjuvant-induced inflammation in Atlantic salmon (Salmo salar) postsmolts

Laura Gil Martens, Per Gunnar Fjelldal, Erik-Jan Lock, Anna Sofie Troedsson Wargelius, Heidrun Inger Wergeland, P. Eckhard Witten, Tom Johnny Hansen, Rune Waagbø, Robin Ørnsrud
Aquaculture Nutrition 18 p. 12-20
2012

Vertebral deformities in farmed Atlantic salmon (Salmo salar L.) - etiology and pathology

Per Gunnar Fjelldal, Tom Johnny Hansen, Olav Breck, Robin Ørnsrud, Erik-Jan Lock, Rune Waagbø, Anna Wargelius, Paul Eckhard Witten
Journal of Applied Ichthyology 28 p. 433-440
2012

Elasmoid scales of fishes as model in biomedical bone research

J. R. Metz, E de Vrieze, Erik-Jan Lock, I. E. Schulten, G. Flik
Journal of Applied Ichthyology 28 p. 382-387
2012

Dechlorination of the dietary nona-chlorinated toxaphene congeners 62 and 50 into the octa-chlorinated toxaphene congeners 44 and 40 in zebrafish (Danio rerio) and Atlantic salmon (Salmo salar)

Marc Berntssen, Anne-Katrine L. Haldorsen, Lene Hop Johannessen, Erik-Jan Lock
Aquatic Toxicology 112 p. 54-61
2012

Continuous light induces bone resorption and affects vertebral morphology in Atlantic salmon (Salmo salar L.) fed a phosphorous deficient diet

Per Gunnar Fjelldal, Erik-Jan Lock, Tom Johnny Hansen, Rune Waagbø, Anna Wargelius, Laura Gil Martens, Adel El-Mowafi, Robin Ørnsrud
Aquaculture Nutrition 18 p. 610-619
2012

Metabolic impacts of high dietary exposure to persistent organic pollutants in mice

Mohammad Madani Ibrahim, Even Fjære, Erik-Jan Lock, Livar Frøyland, Niels Jessen, Sten Lund, Hubert Vidalf, Jérôme Ruzzin
Toxicology Letters 215 p. 8-15
2011

Nutritional regulation of bile acid metabolism is associated with improved pathological characteristics of the metabolic syndrome

Bjørn Liaset, Qin Hao, Henry Jørgensen, Philip Hallenborg, Zhen-yu Du, Tao Ma, Hanns-Ulrich Marschall, Mogens Kruhøffer, Ruiqiang Li, Quibin Li, Christian Clement Yde, Gabriel Cabrera Criales, Hanne C. Bertram, Gunnar Mellgren, Erik Snorre Øfjord, Erik-Jan Lock, Marit Espe, Livar Frøyland, Lise Madsen, Karsten Kristiansen
Journal of Biological Chemistry 286 p. 28382-28395
2011

Dietary decontaminated fish oil has no negative impact on fish performance, flesh quality or production-related diseases in Atlantic salmon (Salmo salar)

Erik-Jan Lock, Per Gunnar Fjelldal, Bente Elisabeth Torstensen, Marit Bjørnevik, Olav Breck, J. Johansen, P. Reynolds, Trygve Sigholt, Nanne Joerum, Jan Vidar Jakobsen, Kari Ruohonen, Rune Waagbø, Marc Berntssen
Aquaculture Nutrition 17 p. E760-E772
2011

Depot-Dependent Effects of Adipose Tissue Explants on Co-Cultured Hepatocytes

Zhen-yu Du, Tao Ma, Erik-Jan Lock, Qin Hao, Karsten Kristiansen, Livar Frøyland, Lise Madsen
PLOS ONE 6
2011

Chronic Consumption of Farmed Salmon Containing Persistent Organic Pollutants Causes Insulin Resistance and Obesity in Mice

Mohammad Madani Ibrahim, Even Fjære, Erik-Jan Lock, Danielle Naville, Heidi Amlund, Emmanuelle Meugnier, Brigitte Le Battistoni, Livar Frøyland, Lise Madsen, Niels Jessen, Sten Lund, Hubert Vidal, Jérôme Ruzzin
PLOS ONE 6 p. e25170
2010

Vitamin K-dependent gamma-glutamylcarboxylase in Atlantic salmon (Salmo salar L.)

Christel Krossøy, ERIK-JAN LOCK, ROBIN ØRNSRUD
36 p. 627-635
2010

Reducing persistent organic pollutants while maintaining long chain omega-3 fatty acid in farmed Atlantic salmon using decontaminated fish oils for an entire production cycle

MARC BERNTSSEN, Pål Asgeir Olsvik, BENTE ELISABETH TORSTENSEN, Kåre Julshamn, Torbjørn Midtun, Anders Goksøyr, J Johansen, T. Sigholt, N Joerum, JV Jakobsen, Anne Katrine Lundebye-Haldorsen, ERIK-JAN LOCK
Chemosphere 81 p. 242-252
2010

Roles of lipid-soluble vitamins during ontogeny of marine fish larvae

Kristin Hamre, Christel Krossøy, ERIK-JAN LOCK, MARI MOREN
Aquaculture Research 41 p. 745-750
2010

The significance of vitamin D for fish: a review

ERIK-JAN LOCK, Rune Waagbø, Sjoerd E. Wendelaar Bonga, Gert Flik
Aquaculture Nutrition 16 p. 100-116
2010

Tolerance of Atlantic Salmon (Salmo Salar) to dietborne endosulfan assessed by haematology, biochemistry, histology and growth

Anne Katrine Lundebye-Haldorsen, ERIK-JAN LOCK, David Boyle, Kari Ruohonen, MARC BERNTSSEN
Aquaculture Nutrition 16 p. 549-558
2010

Dietary fatty acids and inflammation in the vertebral column of Atlantic salmon, Salmo salar L., smolts: a possible link to spinal deformities

Laura Gil Martens, ERIK-JAN LOCK, Per Gunnar Fjelldal, Anna Wargelius, HERNANDEZ PEDRO W ARAUJO, BENTE ELISABETH TORSTENSEN, P. Eckhard Witten, Tom Hansen, Rune Waagbø, ROBIN ØRNSRUD
Journal of Fish Diseases 33 p. 957-972
2010

Persistent Organic Pollutant Exposure Leads to Insulin Resistance Syndrome

Jérôme Ruzzin, Rasmus Petersen, Emmanuelle Meugnier, Lise Madsen, ERIK-JAN LOCK, Haldis Haukås Lillefosse, Tao Ma, Sandra Pesenti, Si Brask Sonne, Troels Torben Marstrand, Marian Kjellevold Malde, ZHEN-YU DU, Carine Chavey, Lluis Fajas, Anne Katrine Lundebye-Haldorsen, Christian Lehn Brand, Hubert Vidal, Karsten Kristiansen, Livar Frøyland
Environmental Health Perspectives 118 p. 465-471
2009

Dietary menadione nicotinamide bisulphite (vitamin K-3) does not affect growth or bone health in first-feeding fry of Atlantic salmon (Salmo salar L.)

Christel Krossøy, Rune Waagbø, Per Gunnar Fjelldal, Anna Wargelius, ERIK-JAN LOCK, Ingvild Eide Graff, ROBIN ØRNSRUD
Aquaculture Nutrition 15 p. 638-649
2009

Retinoic acid cross-talk with calcitriol activity in Atlantic salmon (Salmo salar)

Robin Ørnsrud, Erik-Jan Lock, Chris Glover, G. Flik
Journal of Endocrinology 202 p. 473-482
2007

The vitamin D receptor and its ligand 1 alpha,25-dihydroxyvitamin D-3 in Atlantic salmon (Salmo salar)

Erik-Jan Lock, Robin Ørnsrud, Lage Aksnes, F.A.Tom Spanings, Rune Waagbø, Gert Flik
Journal of Endocrinology 193 p. 459-471

Posters

2013

Vertebral columns of Atlantic salmon (Salmo salar) show alterations in protein abundance due to variable dietary P level

Eva Veiseth-Kent, Mona Elisabeth Pedersen, Kristin Hollung, Elisabeth Ytteborg, Grete Bæverfjord, Harald Rune Takle, Torbjørn Einar Åsgård, Robin Ørnsrud, Erik-Jan Lock, Sissel Albrektsen
2013

Radiological studies on vertebral deformities in triploid Atlantic salmon (Salmo salar)

Thomas WK Fraser, Tom Johnny Hansen, M. Fleming, Florian Sambraus, Ian Mayer, Jon Egil Skjæraasen, Anna Wargelius, Robin Ørnsrud, Erik-Jan Lock, Per Gunnar Fjelldal
2013

Phosphatase activities in Atlantic salmon (Salmo salar) vertebral bone and scales: our findings from the past years

Erik-Jan Lock, Per Gunnar Fjelldal, Robin Ørnsrud, Sissel Albrektsen, Tom Johnny Hansen, Rune Waagbø
2012

Assessment of protein expression profiles in livers of Atlantic salmon (Salmo salar) exposed to toxaphene-contaminated diets

Josef Daniel Rasinger, Erik-Jan Lock, Anne-Katrine L. Haldorsen
2008

Dietary menadione nicotinamide bisulphite (vitamin K) does not affect growth or bone health in first feeding Atlantic salmon (Salmo salar)

Christel Krossøy, Rune Waagbø, Per Gunnar Fjelldal, Anna Wargelius, Erik-Jan Lock, Ingvild Eide Graff, Robin Ørnsrud
2008

Inflammation as a risk factor for spinal deformities in farmed Atlantic salmon underyearling smolts

Laura Gil Martens, Erik-Jan Lock, Robin Ørnsrud, Per Gunnar Fjelldal, Anna Wargelius, Bente Elisabeth Torstensen, Paul Eckhard Witten, Tom Johnny Hansen, Rune Waagbø
2004

The effect of 1;25-dihydroxyvitamin D3 and 24r,25-dihydroxyvitamin D3 on the activity of osteoblasts on tilapia (Oreochromis mossambicus) scales in primary culture

Erik-Jan Lock, M.H.A.G. Gorrissen, Robin Ørnsrud, S.E. Wendelaar Bonga, G. Flik

Chapters and books

2013

Changes in protein abundance in the vertebral column of Atlantic salmon (Salmo salar) fed variable dietary P levels

Eva Veiseth-Kent, Mona Elisabeth Pedersen, Kristin Hollung, Elisabeth Ytteborg, Grete Bæverfjord, Harald Rune Takle, Torbjørn Einar Åsgård, Robin Ørnsrud, Erik-Jan Lock, Sissel Albrektsen
p. 188-191

Popular science articles

2018

Nye anbefalinger for vitaminnivå i dagens fôr til laks i sjø - Resultater fra prosjektene ARRAINA og ASSESSFEED

Kristin Hamre, Erik-Jan Lock, Johan Johansen, Marie Hillestad, Luis Conceicao, Douglas R. Tocher, Gro-Ingunn Hemre
Norsk Fiskeoppdrett 1
2014

Økt utnyttelse av forfor fra fiskeavskjær

Sissel Albrektsen, Erik-Jan Lock, Elisabeth Ytteborg
Norsk Fiskeoppdrett p. 42-45

Academic lectures

2018

Tailoring of insects as aquafeed ingredients

Nina Sylvia Liland, Irene Biancarosa, Ikram Belghit, Andre S. Gilburn, Heidi Amlund, Erik-Jan Lock
2018

Spesiering og biotilgjengelighet av selen og sink i laksefôr

Antony Prabhu, Marta Sofia Silva, Veronika Sele, thea stewart, Pedro Araujo, Heidi Amlund, Jens Jørgen Sloth, Saskia Kröckel, May-Helen Holme, Christer Hogstrand, Robin Ørnsrud, Erik-Jan Lock, Rune Waagbø
2015

Feeding black soldier fly (Hermetia illucens) a diet containing seaweed introduces valuable nutrients and undesirable elements into the larvae

Irene Biancarosa, Nina Sylvia Liland, Daan Biemans, Christian Guido Bruckner, Heidi Amlund, Bente Elisabeth Torstensen, Rune Waagbø, Erik-Jan Lock
2015

Changes in nutrient and heavy metal composition of black soldier fly larvae Hermetia illucens fed on marine macroalgae

Irene Biancarosa, Nina Sylvia Liland, Daan Biemans, Christian Guido Bruckner, Heidi Amlund, Bente Elisabeth Torstensen, Erik-Jan Lock
2015

Insects as lipid source for Atlantic salmon

Nina Sylvia Liland, Nicola Day, Bente Elisabeth Torstensen, Rune Waagbø, Andre Gilburn, Erik-Jan Lock
2014

Dietary impacts of marine P ingredients from herring byproducts on growth, mineralization and skeletal development in Atlantic salmon (Salmo salar L.) fry

Sissel Albrektsen, Grete Bæverfjord, Erik-Jan Lock, Mona Elisabeth Pedersen, Harald Rune Takle, Robin Ørnsrud, Eva Veiseth-Kent, Rune Waagbø, Elisabeth Ytteborg
2013

Changes in protein abundance in the vertebral column of Atlantic salmon (Salmo salar) fed variable dietary P levels

Eva Veiseth-Kent, Mona Elisabeth Pedersen, Kristin Hollung, Elisabeth Ytteborg, Grete Bæverfjord, Harald Rune Takle, Torbjørn Einar Åsgård, Robin Ørnsrud, Erik-Jan Lock, Sissel Albrektsen
2013

Changes in protein abundance in the vertebral column of Atlantic salmon (Salmo salar) fed variable dietary P levels

Mona Elisabeth Pedersen, Elisabeth Ytteborg, Grete Bæverfjord, Harald Rune Takle, Torbjørn Einar Åsgård, Robin Ørnsrud, Erik-Jan Lock, Sissel Albrektsen
2013

Vertebral columns of Atlantic salmon (Salmo salar) show alterations in protein abundance due to variable dietary P levels

Eva Veiseth-Kent, Mona Elisabeth Pedersen, Kristin Hollung, Elisabeth Ytteborg, Grete Bæverfjord, Harald Rune Takle, Torbjørn Einar Åsgård, Robin Ørnsrud, Erik-Jan Lock, Sissel Albrektsen
2012

Lock Improved phosphorus utilization in Atlantic salmon (Salmo salar L.) by H2SO4 hydrolysis of minerals in fish bones

Sissel Albrektsen, Elisabeth Ytteborg, Grete Bæverfjord, Mona Elisabeth Pedersen, Aleksei Krasnov, Harald Rune Takle, Eva Veiseth-Kent, Rune Waagbø, Robin Ørnsrud, Erik-Jan Lock
2010

Continuous light induces bone resorption and affects vertebral morphology in Atlantic salmon (Salmo salar L.) fed a phosphorous deficient diet

Robin Ørnsrud, Erik-Jan Lock, Tom Johnny Hansen, Rune Waagbø, Anna Wargelius, Laura Gil Martens, Adel El-Mowafi, Per Gunnar Fjelldal
2009

Dietary Fatty Acids and Inflammation in the vertebral column of Atlantic salmon (Salmo salar) smolts: A possible link to spinal deformities

Laura Gil Martens, Erik-Jan Lock, Per Gunnar Fjelldal, Anna Wargelius, Pedro Araujo, Bente Elisabeth Torstensen, Paul Eckhard Witten, Tom Johnny Hansen, Rune Waagbø, Robin Ørnsrud
2008

Establishing an upper level of vitamin A in Atlantic salmon (Salmo salar)

Robin Ørnsrud, Erik-Jan Lock, Per Gunnar Fjelldal, Rune Waagbø
2008

Interference of retinoic acid in the vitamin D endocrine system in Atlantic salmon (Salmo salar)

Erik-Jan Lock, CN Glover, Rune Waagbø, Gert Flik, Robin Ørnsrud
2008

Roles of fat soluble vitamins in bone development and mineral metabolism

Erik-Jan Lock, Christel Krossøy, Rune Waagbø, Kari Nordvik, Sindre Grotmol, Harald Kryvi, Geir Kåre Totland, Gert Flik, Robin Ørnsrud
2006

Fettløselige vitaminers rolle i beinutvikling og mineralmetabolisme

Robin Ørnsrud, Christel Krossøy, Rune Waagbø, Kari Nordvik, Sindre Grotmol, Geir Kåre Totland, Harald Kryvi, Erik-Jan Lock, Gert Flik, S.E. Wendelaar Bonga
2004

Roles of fat soluble vitamins in bone development and mineral metabolism

Robin Ørnsrud, Sindre Grotmol, Harald Kryvi, Kari Nordvik, Geir Kåre Totland, Erik-Jan Lock, Gert Flik, Rune Waagbø

Reports and papers

2020

Mot en ny havnæring for tare? : Muligheter og utfordringer for dyrking av alger i Norge

Kjell Magnus Norderhaug, Jorunn Skjermo, Kari Kolstad, Ole Jacob Broch, Åshild Ergon, Aleksander Handå, Svein Jarle Horn, Erik-Jan Lock, Margareth Øverland
2019

Risk assessment of cadmium in mineral fertilisers – fate and effects in the food chain and the environment in Norway. Scientific Opinion of the Panel on Animal Feed of the Norwegian Scientific Committee for Food and Environment

Trine Eggen, Heidi Amlund, Aksel Bernhoft, Ole Martin Eklo, Gunnar Sundstøl Eriksen, Belinda Eline Flem, Torsten Källqvist, Bal Ram Singh, Eiliv Steinnes, Stefan Trapp, Anne Falk Øgaard, Christiane Kruse Fæste, Erik-Jan Lock, Live Lingaas Nesse, Einar Ringø, Håvard Steinshamn, Robin Ørnsrud, Åshild Krogdahl
2018

Validering av optimale mikronæringsstoff-nivå i laksefôr - ASSESSFEED

Kristin Hamre, John F. Taylor, Joanna Silva, Erik-Jan Lock, Johan Johansen, Marie Hillestad, Luís E.C. Conceição, Douglas R. Tocher, Marit Espe, Marit Bjørnevik, Gro Ingunn Hemre
2016

Potential risks posed by macroalgae for application as feed and food - a Norwegian perspective

Arne Duinker, Irja Sunde Roiha, Heidi Amlund, Lisbeth Jane Dahl, Erik-Jan Lock, Tanja Kögel, Amund Måge, Bjørn Tore Lunestad
2015

The risk of development of antimicrobial resistance with the use of coccidiostats in poultry diets. Opinion of the Panel on Animal Feed of the Norwegian Scientific Committee for Food Safety

Live Lingaas Nesse, Anne Marie Bakke, Trine Eggen, Kristian Hoel, Magne Kaldhusdal, Einar Ringø, Siamak Pour Yazdankhah, Erik-Jan Lock, Rolf Erik Olsen, Robin Ørnsrud, Åshild Krogdahl
2014

Økt utnyttelse av næringsstoffer fra marint restråstoff

Sissel Albrektsen, Erik-Jan Lock, Grete Bæverfjord, Mona Elisabeth Pedersen, Harald Rune Takle, Robin Ørnsrud, Eva Veiseth-Kent, Rune Waagbø, Elisabeth Ytteborg
2014

Utnyttelse av P fra sildeavskjær som alternativ P kilde i fôr til laksesmolt (Salmo salar L.)

Sissel Albrektsen, Erik-Jan Lock, Grete Bæverfjord, Mona Elisabeth Pedersen, Aleksei Krasnov, Harald Rune Takle, Eva Veiseth-Kent, Robin Ørnsrud, Rune Waagbø, Elisabeth Ytteborg
2014

Nye marine ingredienser fra sildeavskjær som P ingrediens i fôr til lakseyngel (Salmo salar L.)

Sissel Albrektsen, Grete Bæverfjord, Erik-Jan Lock, Mona Elisabeth Pedersen, Harald Rune Takle, Robin Ørnsrud, Eva Veiseth-Kent, Rune Waagbø, Elisabeth Ytteborg
Net reports
News
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