Browsing Brage IMR by Author "Lock, Erik-Jan"
Now showing items 1-20 of 20
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Black soldier fly larvae meal can replace fish meal in diets of sea-water phase Atlantic salmon (Salmo salar)
Belghit, Ikram; Liland, Nina Sylvia; Gjesdal, Petter; Biancarosa, Irene; Menchetti, Elisa; Li, Yanxian; Waagbø, Rune; Krogdahl, Åshild; Lock, Erik-Jan (Journal article; Peer reviewed, 2019)A feeding trial was conducted to test the growth potential, nutritional utilization, liver health and fillet sensory parameters of sea-water Atlantic salmon (Salmo salar L.) fed diets with increasing substitution of fish ... -
Changes in water temperature and oxygen: the effect of triploidy on performance and metabolism in large farmed Atlantic salmon
Sambraus, Florian; Remen, Mette; Olsen, Rolf Erik; Hansen, Tom Johnny; Waagbø, Rune; Torgersen, Thomas; Lock, Erik-Jan; Imsland, Albert; Fraser, Thomas W.K.; Fjelldal, Per Gunnar (Peer reviewed; Journal article, 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
Biancarosa, Irene; Belghit, Ikram; Bruckner, Christian Guido; Liland, Nina Sylvia; Waagbø, Rune; Amlund, Heidi; Heesch, Svenja; Lock, Erik-Jan (Peer reviewed; Journal article, 2018)BACKGROUND: In the past few years, much effort has been invested into developing a new blue economy based on harvesting, cultivating and processing marine macroalgae in Norway. Macroalgae have high potential for a wide ... -
Dietary micronutrient composition affects fillet texture and muscle cell size in Atlantic salmon (Salmo salar)
Hamre, Kristin; Bjørnevik, Marit; Espe, Marit; Conceição, Luis E. C.; Johansen, Johan; Silva, Joana; Hillestad, Marie; Prabhu, P. Antony Jesu; Taylor, John F.; Tocher, Douglas R.; Lock, Erik-Jan; Hemre, Gro Ingunn (Peer reviewed; Journal article, 2020)During the past 20 years, plant ingredients have taken over as the main constituents in feed for Atlantic salmon. This has changed the nutrient composition of the feeds, the bioavailability of nutrients and perhaps nutrient ... -
Dietary selenium required to achieve body homeostasis and attenuate pro-inflammatory responses in Atlantic salmon post-smolt exceeds the present EU legal limit
Prabhu, P. Antony Jesu; Holen, Elisabeth; Espe, Marit; Silva, Marta Sofia; Holme, May-Helen; Hamre, Kristin; Lock, Erik-Jan; Waagbø, Rune (Peer reviewed; Journal article, 2020)Selenium (Se) supplementation either as inorganic or organic form was evaluated in Atlantic salmon post-smolt in vivo and in vitro. The basal diet was formulated to be low in fish meal and contain 0.24 mg Se kg−1; six other ... -
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
Phillip, Antony Jesu Prabhu; Silva, Marta Sofia; Kröeckel, Saskia; Holme, May-Helen; Ørnsrud, Robin; Amlund, Heidi; Lock, Erik-Jan; Waagbø, Rune (Journal article; Peer reviewed, 2019)The impact of dietary manganese (Mn) levels and sources on the growth and mineral composition of post-smolt Atlantic salmon (Salmo salar) fed practical diets was studied. Seven experimental diets were prepared with graded ... -
Growth and safety assessment of feed streams for black soldier fly larvae: A case study with aquaculture sludge
Schmitt, Eric; Belghit, Ikram; Johansen, Johan; Leushuis, Raymond; Lock, Erik-Jan; Melsen, Diede; Ramasamy Shanmugam, Ram Kathirampatti; Loon, Joop Van; Paul, Aman (Journal article; Peer reviewed, 2019)The production of food is an intensive source of environmental impact. In aquaculture, one source of impact is solid waste, which contains high concentrations of minerals, other nutrients, and metals. The larvae of Hermetia ... -
Insect-based diets high in lauric acid reduce liver lipids in freshwater Atlantic salmon
Belghit, Ikram; Waagbø, Rune; Lock, Erik-Jan; Liland, Nina Sylvia (Journal article; Peer reviewed, 2018)We evaluated the effect of a diet containing insect meal and insect oil on nutrient utilization, tissue fatty acid profile and lipid metabolism of freshwater Atlantic salmon (Salmo salar). Insect meal and insect oil from ... -
Mineral nutrition and bone health in salmonids
Bæverfjord, Grete; Prabhu, P. Antony Jesu; Fjelldal, Per Gunnar; Albrektsen, Sissel; Hatlen, Bjarne; Denstadli, Vegard; Ytteborg, Elisabeth; Takle, Harald Rune; Lock, Erik-Jan; Berntssen, Marc; Lundebye, Anne-Katrine; Åsgård, Torbjørn Einar; Waagbø, Rune (Journal article; Peer reviewed, 2018)In the recent years, challenges faced in salmonid farming with regard to deformities have helped to improve our knowledge on skeletal biology and development of bone health in salmonids. Different nutritional, genetic and ... -
Mineral nutrition and bone health in salmonids
Bæverfjord, Grete; Prabhu, P. Antony Jesu; Fjelldal, Per Gunnar; Albrektsen, Sissel; Hatlen, Bjarne; Denstadli, Vegard; Ytteborg, Elisabeth; Takle, Harald Rune; Lock, Erik-Jan; Berntssen, Marc; Lundebye, Anne-Katrine; Åsgård, Torbjørn Einar; Waagbø, Rune (Journal article; Peer reviewed, 2018)In the recent years, challenges faced in salmonid farming with regard to deformities have helped to improve our knowledge on skeletal biology and development of bone health in salmonids. Different nutritional, genetic and ... -
Modulation of nutrient composition of black soldier fly (Hermetia illucens) larvae by feeding seaweed-enriched media
Liland, Nina Sylvia; Biancarosa, Irene; Araujo, Pedro; Biemans, Daan; Bruckner, Christian Guido; Waagbø, Rune; Torstensen, Bente Elisabeth; Lock, Erik-Jan (Peer reviewed; Journal article, 2017)Black soldier fly (Hermetia illucens) larvae are a promising source of protein and lipid for animal feeds. The nutritional composition of the BSF larvae depend partly on the composition of the feeding medium. The BSF lipid ... -
Mot en ny havnæring for tare? : Muligheter og utfordringer for dyrking av alger i Norge
Norderhaug, Kjell Magnus; Skjermo, Jorunn; Kolstad, Kari; Broch, Ole Jacob; Ergon, Åshild; Handå, Aleksander; Horn, Svein Jarle; Lock, Erik-Jan; Øverland, Margareth (Fisken og havet;2020 - 5, Research report, 2020)Behovet for bærekraftig produksjon av mat fra havet har aktualisert dyrking av tang og tare. Selv om potensialet for dyrking er stort i Norge er produksjonen på prøvestadiet på grunn av utfordringer knyttet til marked, ... -
Potential of insect-based diets for Atlantic salmon (Salmo salar)
Belghit, Ikram; Liland, Nina Sylvia; Waagbø, Rune; Biancarosa, Irene; Pelusio, Nicole; Li, Yanxian; Krogdahl, Åshild; Lock, Erik-Jan (Journal article; Peer reviewed, 2018)In the present study, we aimed to assess the effect of dietary insect meal (IM) and insect oil (IO) on growth performance, body composition and nutrient digestibility of freshwater reared Atlantic salmon. The IM and IO ... -
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; Lock, Erik-Jan; Hemre, Gro Ingunn; Hamre, Kristin; Espe, Marit; Olsvik, Pål Asgeir; Silva, Joana; Hansen, Ann-Cecilie; Johansen, Johan; Sissener, Nini; Waagbø, Rune (Journal article; Peer reviewed, 2019)Atlantic salmon (Salmo salar) feeds have changed drastically in their composition from being predominantly marine-based to plant-based. This has altered the dietary supply and availability of micro-nutrients to Atlantic ... -
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
Biancarosa, Irene; Sele, Veronika; Belghit, Ikram; Ørnsrud, Robin; Lock, Erik-Jan; Amlund, Heidi (Journal article; Peer reviewed, 2019)Insects are promising sources of protein and lipid in feeds for farmed animals. In the European Union, the use of insect meal (IM) and insect oil is permitted in fish feed. However, the European Food Safety Authority has ... -
Species-specific discrimination of insect meals for aquafeeds by direct comparison of tandem mass spectra
Belghit, Ikram; Lock, Erik-Jan; Fumière, Olivier; Lecrenier, Marie-Caroline; Renard, Patricia; Dieu, Marc; Berntssen, Marc; Palmblad, Magnus; Rasinger, Josef Daniel (Journal article; Peer reviewed, 2019)Insect protein has the potential to become a sustainable feed ingredient for the rapidly growing aquaculture industry. In the European Union, insect derived protein is placed under the same legislation as processed animal ... -
The chemical composition of two seaweed flies (Coelopa frigida and Coelopa pilipes) reared in the laboratory
Biancarosa, Irene; Liland, Nina Sylvia; Day, Nicola; Belghit, Ikram; Amlund, Heidi; Lock, Erik-Jan; Gilburn, Andre S. (Journal article; Peer reviewed, 2018)Two species of seaweed flies, Coelopa frigida and Coelopa pilipes, were reared in the laboratory and their larvae were sampled for composition of amino acids, fatty acids and elements. The larvae were grown on two different ... -
Utnyttelse av P fra sildeavskjær som alternativ P kilde i fôr til laksesmolt (Salmo salar L.)
Albrektsen, Sissel; Lock, Erik-Jan; Bæverfjord, Grete; Pedersen, Mona Elisabeth; Krasnov, Aleksei; Takle, Harald Rune; Veiseth-Kent, Eva; Ørnsrud, Robin; Waagbø, Rune; Ytteborg, Elisabeth (Nofima rapportserie, Research report, 2014)Målet med dette prosjektet var å øke verdiskapningen av marint restråstoff ved å utvikle bioteknologiske løsninger som kan frigjøre P fra fiskebein og gjøre P mer tilgjengelig for laks, samt å utvikle nye marine P ingredienser ... -
Validering av optimale mikronæringsstoff-nivå i laksefôr - ASSESSFEED
Hamre, Kristin; Taylor, John F.; Silva, Joanna; Lock, Erik-Jan; Johansen, Johan; Hillestad, Marie; Conceição, Luís E.C.; Tocher, Douglas R.; Espe, Marit; Bjørnevik, Marit; Hemre, Gro Ingunn (Rapport fra havforskningen;21-2018, Research report, 2018)ASSESSFEED er et prosjekt utgått fra EU-prosjektet ARRAINA, med målsetning å validere nye anbefalinger for tilsetning av mikronæringsstoffer, særlig vannløselige vitaminer, i laksefôr. Det ble kjørt et fôingsforsøk der ... -
Zinc uptake in fish intestinal epithelial model RTgutGC: Impact of media ion composition and methionine chelation
Prabhu, Antony; Stewart, Theodora; Carreiro-Silva, Marina; Amlund, Heidi; Ørnsrud, Robin; Lock, Erik-Jan; Waagbø, Rune; Hogstrand, Christer (Journal article; Peer reviewed, 2018)Apical uptake of zinc as ionic Zn(II) or as Zn-methionine (Zn-Met) was studied in RTgutGC cell line in vitro under media compositions mirroring the gut luminal ionic concentration of freshwater (FW) and seawater (SW) ...