Academic article

• Sissener, Nini; Rosenlund, Grethe; Larsson, Thomas et al. (2025). Saturated fat and cholesterol in Atlantic salmon (Salmo Salar L.) feeds are important for fish performance, fillet quality and colour. (external link)
• Prakash, Satya; Maas, Roel M.; Yani, Ahmad et al. (2025). Nutrient digestibility and faecal characteristics in rainbow trout, Oncorhynchus mykiss reared at different salinities and fed diets with varying protein to energy ratios. (external link)
• Fang, HaoHang; Sissener, Nini; Philip, Antony Jesu Prabhu et al. (2025). Interaction between dietary saturated fatty acids and cholesterol on mineral and fatty acid availability and postprandial lipids absorption kinetics in Atlantic salmon (Salmo salar). (external link)
• Silva, T.S.; Conceição, L.E.C.; Sæle, Øystein et al. (2025). A dynamic simulation model for digestion, gut transit, and absorption in the ballan wrasse, Labrus bergylta. (external link)
• Ciavoni, Elisa; Schrama, Johan W.; Sæle, Øystein et al. (2024). Dietary electrolyte imbalance alters drinking rate and gastrointestinal tract water fluxes of Atlantic salmon (Salmo salar) smolt in seawater. (external link)
• Etayo, Angela; Bjørgen, Håvard; Koppang, Erling Olaf et al. (2024). The ontogeny of lymphoid organs and IgM⁺ B-cells in ballan wrasse (Labrus bergylta) reveals a potential site for extrarenal B-cell lymphopoiesis: The pancreas. (external link)
• Fang, HaoHang; Sissener, Nini Hedberg; Sæle, Øystein et al. (2024). The Interaction Between Dietary Fat Level, n-3 LC-PUFA, and Zinc on Their Postprandial Absorption Kinetics in Atlantic Salmon (Salmo salar). (external link)
• Ciavoni, Elisa; Schrama, Johan W.; Radhakrishnan, Gopika et al. (2024). Salinity induced changes in the progression of water, ion and nutrient fluxes along the gastrointestinal tract of Atlantic salmon smolt (Salmo salar). (external link)
• Etayo, Angela; Lie, Kai Kristoffer; Bjelland, Reidun Marie et al. (2023). The thymus and T-cell ontogeny in ballan wrasse (Labrus bergylta) is nutritionally modelled. (external link)
• Zhou, Weiwen; Lie, Kai Kristoffer; Chikwati, Elvis Mashingaidze et al. (2023). Soya saponins and prebiotics alter intestinal functions in Ballan wrasse (Labrus bergylta). (external link)
• Ciavoni, Elisa; Maas, Roel M.; Koppelaars, Marc et al. (2023). Effect of dietary electrolyte balance on the interplay between water fluxes and digestive functioning along the gastrointestinal tract of freshwater rainbow trout (Oncorhynchus mykiss). (external link)
• Zhou, Weiwen; Hamre, Kristin; Chikwati, Elvis Mashingaidze et al. (2022). A Screening Study on Effects Varying Dietary Macronutrient Composition on Gut Functions in Lumpfish (Cyclopterus lumpus). (external link)
• Norland, Sissel; Sæle, Øystein; Rønnestad, Ivar (2022). Developmental stages of the ballan wrasse from first feeding through metamorphosis: Cranial ossification and the digestive system. (external link)
• Selvam, Chandrasekar; Saito, Takaya; Sissener, Nini et al. (2022). Intracellular trafficking of fatty acids in the fish intestinal epithelial cell line RTgutGC. (external link)
• Hamre, Kristin; Berge, Gerd Marit; Sæle, Øystein et al. (2022). Optimization of the Balance between Protein, Lipid and Carbohydrate in Diets for Lumpfish (Cyclopterus lumpus). (external link)
• Kousoulaki, Katerina; Grøtan, Espen; Kortner, Trond M. et al. (2021). Technical feed quality influences health, digestion patterns, body mineralization and bone development in farming of the stomachless cleaner fish ballan wrasse (Labrus bergylta). (external link)
• Etayo, Angela; Le, Hoang Thi My Dung; Araujo, Pedro et al. (2021). Dietary Lipid Modulation of Intestinal Serotonin in Ballan Wrasse (Labrus bergylta)—In Vitro Analyses. (external link)
• Zhou, Weiwen; Krogdahl, Åshild; Sæle, Øystein et al. (2021). Digestive and immune functions in the intestine of wild Ballan wrasse (Labrus bergylta). (external link)
• Le, Hoang Thi My Dung; Lie, Kai Kristoffer; Etayo, Angela et al. (2021). Physical and nutrient stimuli differentially modulate gut motility patterns, gut transit rate, and transcriptome in an agastric fish, the ballan wrasse. (external link)
• Sissener, Nini; Araujo, Pedro; Sæle, Øystein et al. (2020). Dietary 18:2n-6 affects EPA (20:5n-3) and ARA (20:4n-6) content in cell membranes and eicosanoid production in Atlantic salmon (Salmo salar L.). (external link)
• Le, Hoang Thi My Dung; Lie, Kai Kristoffer; Giroud-Argoud, Justine et al. (2019). Effects of cholecystokinin (CCK) on gut motility in the stomachless fish ballan wrasse (Labrus bergylta). (external link)
• Spankeren, Michel van; Sibinga, Nathaniel; Reinshol, Øyvind Hagerup et al. (2019). A single meal containing phytosterols does not affect the uptake or tissue distribution of cholesterol in zebrafish (Danio rerio). (external link)
• Le, Hoang Thi My Dung; Shao, Xinting; Krogdahl, Åshild et al. (2019). Intestinal function of the stomachless fish, ballan wrasse (Labrus bergylta). (external link)
• Sæle, Øystein; Rød, Kari Elin Langeland; Quinlivan, Vanessa H et al. (2018). A novel system to quantify intestinal lipid digestion and transport. (external link)
• Lie, Kai Kristoffer; Tørresen, Ole K.; Solbakken, Monica Hongrø et al. (2018). Loss of stomach, loss of appetite? Sequencing of the ballan wrasse (Labrus bergylta) genome and intestinal transcriptomic profiling illuminate the evolution of loss of stomach function in fish. (external link)
• Liland, Nina Sylvia; Johnsen, Einar Nesse; Hellberg, Hege et al. (2018). Effects of dietary vegetable oils and varying dietary EPA and DHA levels on intestinal lipid accumulations in Atlantic salmon. (external link)
• Bilal, Sumaira; Lie, Kai Kristoffer; Sæle, Øystein et al. (2018). T cell receptor alpha chain genes in the teleost Ballan wrasse (Labrus bergylta) are subjected to somatic hypermutation. (external link)
• Sæle, Øystein; Haugen, Trine; Karlsen, Ørjan et al. (2017). Ossification of Atlantic cod (Gadus morhua) – Developmental stages revisited. (external link)
• Gelder, Stefan de; Sæle, Øystein; Veen, Bas TH de et al. (2017). The polycyclic aromatic hydrocarbons benzo[a]pyrene and phenanthrene inhibit intestinal lipase activity in rainbow trout (Oncorhynchus mykiss). (external link)
• Sanden, Monica; Liland, Nina Sylvia; Sæle, Øystein et al. (2016). Minor lipid metabolic perturbations in the liver of Atlantic salmon (Salmo salar L.) caused by suboptimal dietary content of nutrients from fish oil. (external link)
• Olsvik, Pål Asgeir; Amlund, Heidi; Sæle, Øystein et al. (2015). Impact of dietary selenium on methylmercury toxicity in juvenile Atlantic cod: A transcriptional survey. (external link)
• Sæle, Øystein; Nordgreen, Andreas Hoel; Olsvik, Pål Asgeir et al. (2013). Toxic effects of dietary hydrolysed lipids: an in vivo study on fish larvae. (external link)
• Penglase, Samuel; Harboe, Torstein; Sæle, Øystein et al. (2013). Iodine nutrition and toxicity in Atlantic cod (Gadus morhua) larvae. (external link)
• Hansen, Truls Wergeland; Folkvord, Arild; Grøtan, Espen et al. (2013). Genetic ontogeny of pancreatic enzymes in Labrus bergylta larvae and the effect of feed type on enzyme activities and gene expression. (external link)
• Ribeiro, Ana; Ribeiro, L.; Sæle, Øystein et al. (2012). Selenium supplementation changes glutathione peroxidase activity and thyroid hormone production in Senegalese sole (Solea senegalensis) larvae. (external link)
• Ribeiro, A. R. A.; Ribeiro, L; Sæle, Øystein et al. (2012). Iodine and selenium supplementation increased survival and changed thyroid hormone status in Senegalese sole (Solea senegalensis) larvae reared in a recirculation system. (external link)
• Ribeiro, A. R. A.; Ribeiro, L.; Sæle, Øystein et al. (2011). Iodine-enriched rotifers and Artemia prevent goitre in Senegalese sole (Solea senegalensis) larvae reared in a recirculation system. (external link)
• Hawkyard, M; Sæle, Øystein; Nordgreen, Andreas Hoel et al. (2011). Effect of iodine enrichment of Artemia sp on their nutritional value for larval zebrafish (Danio rerio). (external link)
• Sæle, Øystein; Nordgreen, Andreas Hoel; Olsvik, Pål Asgeir et al. (2011). Characterisation and expression of secretory phospholipase A(2) group IB during ontogeny of Atlantic cod (Gadus morhua). (external link)
• Hamre, Kristin; Lukram, Ingochouba Meetei; Rønnestad, Ivar et al. (2011). Pre-digestion of dietary lipids has only minor effects on absorption, retention and metabolism in larval stages of Atlantic cod (Gadus morhua). (external link)
• Sæle, Øystein; Nordgreen, Andreas Hoel; Olsvik, Pål Asgeir et al. (2010). Characterization and expression of digestive neutral lipases during ontogeny of Atlantic cod (Gadus morhua). (external link)
• Penglase, Samuel; Nordgreen, Andreas Hoel; Meeren, Terje van der et al. (2010). Increasing the level of selenium in rotifers (Brachionus plicatilis ‘Cayman’) enhances the mRNA expression and activity of glutathione peroxidase in cod (Gadus morhua L.) larvae. (external link)
• Kjersem, Anneli Bohne; Bache, Nicolai; Meier, Sonnich et al. (2010). Biomarker candidate discovery in Atlantic cod (Gadus morhua) continuously exposed to North Sea produced water from egg to fry. (external link)
• Sæle, Øystein; Nordgreen, Andreas Hoel; Hamre, Kristin et al. (2009). Evaluation of candidate reference genes in Q-PCR studies of Atlantic cod (Gadus morhua) ontogeny, with emphasis on the gastrointestinal tract. (external link)
• Olsvik, P.A.; Lie, K.K.; Sæle, Øystein et al. (2007). Spatial transcription of CYP1A in fish liver. (external link)
• Sæle, Øystein; Silva, N.; Pittman, Karin (2006). Post-embryonic remodelling of neurocranial elements: a comparative study of normal versus abnormal eye migration in a flatfish, the Atlantic halibut. (external link)
• Sæle, Øystein; Smáradóttir, Heidís; Pittman, Karin (2006). Twisted story of eye migration in flatfish. (external link)
• Sæle, Øystein; Solbakken, JS; Watanabe, Kuninori et al. (2004). Staging of Atlantic halibut (Hippoglossus hippoglossus L.) from first feeding through metamorphosis, including cranial ossification independent of eye migration. (external link)

Report

• Sæle, Øystein; Bjelland, Reidun Marie; Kousoulaki, Katerina et al. (2025). Kvalitetskriterier for rensefisk og effekten av stamfiskerernæring - CleanLifeCycle. (external link)
• Lein, Ingrid; Berge, Gerd Marit; Bogevik, André Sture et al. (2021). Ernæringsbehov og fôring for optimal helse og overlevelse av rensefisk - Del 2 Rognkjeks. (external link)
• Lein, Ingrid; Berge, Gerd Marit; Bogevik, André Sture et al. (2021). Ernæringsbehov og fôring for optimal helse og overlevelse av rensefisk - Del 1 berggylt. (external link)
• Sissener, Nini; Torstensen, Bente Elisabeth; Ruyter, Bente et al. (2016). Effekter av endret fettsyresammensetning i fôr til laks relatert til fiskens helse, velferd og robusthet (Fett for fiskehelse): Oppdatering 2016. (external link)

Academic lecture

• Sæle, Øystein; Philip, Antony Jesu Prabhu; Hamre, Kristin et al. (2024). Optimalisering av makronæringsstoffer i kveitefôr. (external link)
• Sæle, Øystein; Philip, Antony Jesu Prabhu; Hamre, Kristin et al. (2024). SKREENING FOR VITAMIN AND MINERAL REQUIREMENTS IN THE ATLANTIC HALIBUT DIET. (external link)
• Lie, Kai Kristoffer; Söderström, Sofie Karin; Omdal, Åsne et al. (2022). Consequence of enniatin B and beauvericin on salmon intestinal health. (external link)
• Sæle, Øystein; Phillip, A.; Hamre, Kristin et al. (2022). Leucine’s dietary supplementation effect on the regulation of stress in farmed Atlantic salmon (Salmo salar L.). (external link)
• Sæle, Øystein; Hansen, Ida; Kousoulaki, Katerina et al. (2022). Optimizing nutrition and feeding of ballan wrasse for better welfare and survival in salmon pens. (external link)
• Perrichon, Prescilla; Sæle, Øystein; Furmanek, Tomasz et al. (2022). Insights into the modulation of pigmentation and eye migration in farmed Atlantic halibut (Hippoglossus hippoglossus). (external link)
• Hamre, Kristin; Berge, Gerd Marit; Holen, Elisabeth et al. (2021). Balansert sammensetning av makronæringsstoffer i fôr til rognkjeks (Cyclopterus lumpus). (external link)
• Perrichon, Prescilla; Sæle, Øystein; Furmanek, Tomasz et al. (2021). Ontogenetic shift and lateralized swimming behavior in Atlantic halibut (Hippoglossus hippoglossus). (external link)
• Chikwati, Elvis Mashingaidze; Li, Yanxian; Wang, Jie et al. (2018). Gut health monitoring during the Seawater Phase of Farmed Atlantic Salmon in Different Production Regions of Norway - The GutMatters Project. (external link)
• Sæle, Øystein; Lein, Ingrid; Moren, Mari et al. (2014). Functionality of the cleaner fish, ballan wrasse, intestine. (external link)
• Sæle, Øystein; Rød, Kari Elin Langeland; Farber, S (2013). Lipid digestion in first feeding larvae, visualization in vivo. (external link)
• Sæle, Øystein; Farber, S (2012). Lipid fordøyelse ved startfôring av fiskelarver in vivo. (external link)
• Sæle, Øystein; Farber, S (2012). Lipid digestion in first feeding larvae, an in vivo study. (external link)
• Pittman, Karin; Sæle, Øystein; Meier, Sonnich et al. (2009). Metamorphosis or the larva-juvenile transition: steering the future of the foodfish industry. (external link)

Lecture

• Penaranda, Ma Michelle Demogina; Truong, Thuy Le; Samdal, Ingunn Anita et al. (2024). MucoProtect: Et lovende nytt bio-mimisk system for oral levering av mukosale vaksiner i atlantisk laks. (external link)
• Sæle, Øystein; Phillips, Alan J.L.; Hamre, Kristin et al. (2023). Optimalization of the macronutrient composition in the Atlantic halibut diet. (external link)
• Krogdahl, Åshild; Chikwati, Elvis; Krasnov, Aleksei et al. (2021). Gut health effects in Atlantic salmon Salmo salar L. of low dietary fish meal level can be limited by dietary supplements. (external link)
• Berge, Gerd Marit; Kortner, Trond M.; Lein, Ingrid et al. (2019). Makronæringsstoff i fôr til rognkjeks. (external link)
• Hamre, Kristin; Harboe, Torstein; Erstad, Børre et al. (2018). Nutrition in Atlantic halibut. (external link)
• Lein, Ingrid; Sæle, Øystein; Kousoulaki, Katerina et al. (2013). Status coordinated action - LeppeProd. (external link)

Academic literature review

• Thorstensen, Tage; Bodin, Johanna Eva; Duale, Nur et al. (2023). Risk assessment of Aquaterra® oil for its intended use as ingredient in fish feed. Scientific Opinion of the Norwegian Scientific Committee for Food and Environment. (external link)
• Rønnestad, Ivar; Yufera, Manuel; Ueberschar, Bernd et al. (2013). Feeding behaviour and digestive physiology in larval fish: current knowledge, and gaps and bottlenecks in research. (external link)
• Sæle, Øystein; Pittman, Karin (2010). Looking closer at the determining of a phenotype? Compare by stages or size, not age. (external link)
• Power, Deborah M.; Einarsdóttir, Ingibjörg E.; Pittman, Karin et al. (2008). The molecular and encocrine basis of flatfish metamorphosis. (external link)

Article in business/trade/industry journal

• Lein, Ingrid; Berge, Gerd Marit; Bogevik, André Sture et al. (2022). Godt fôr til rensefisk, en forutsetning for god helse, velferd og funksjon. (external link)
• Le, Hoang Thi My Dung; Lie, Kai Kristoffer; Lein, Ingrid et al. (2019). Tarmfunksjon hos berggylte. (external link)
• Lie, Kai Kristoffer; Bæverfjord, Grete; Moren, Mari et al. (2015). Skjelettutvikling og beinmetabolisme i tidlige livsstadier hos torsk. (external link)

Poster

• Perrichon, Prescilla; Sæle, Øystein; Furmanek, Tomasz et al. (2021). Ontogenetic shift and lateralized behavior in Atlantic halibut (Hippoglossus hippoglossus). (external link)
• Chikwati, Elvis Mashingaidze; Midtlyng, Paul; Li, Y. et al. (2019). Gut health status in farmed Atlantic salmon (Salmo salar L.) in different seawater production localities in Norway - GutMatters project. (external link)
• Le, Hoang Thi My Dung; Rønnestad, Ivar; Lie, Kai Kristoffer et al. (2018). The function of Cholecystokinin (CCK) on gut motility in the stomachless fish Ballan wrasse. (external link)
• Krogdahl, Åshild; Kortner, Trond Moxness; Koppang, Erling Olaf et al. (2018). GutMatters – Kartlegging og forbedring av tarmhelsen hos oppdrettslaks - Et nytt FHF-prosjekt. (external link)
• Sæle, Øystein; Rød, Kari Elin Langeland; Farber, S (2013). Intestinal lipid digestion of the first larval meal – visualization in vivo of the vertebrate fat metabolism. (external link)
• Sæle, Øystein; Nordgreen, Andreas; Rasinger, Josef Daniel et al. (2012). An Integrated approach to assess Toxicity of brominated flame Retardants in Mouse Models. (external link)
• Sæle, Øystein; Nordgreen, Andreas Hoel; Olsvik, Pål Asgeir et al. (2011). Lipidfordøyelse i torskelarver. (external link)
• Sæle, Øystein; Pittman, Karin (2005). Where is the asymmetry in the Atlantic halibut (Hippoglossus hippoglossus) head?. (external link)

Doctoral dissertation

• Le, Hoang Thi My Dung; Sæle, Øystein; Rønnestad, Ivar et al. (2019). Digestive physiology of the stomachless fish, ballan wrasse (Labrus bergylta). (external link)
• Sæle, Øystein; Pittman, Karin (2006). Metamorphosis in Atlantic halibut, with emphasis on eye migration. (external link)

Academic chapter/article/Conference paper

• Rønnestad, Ivar; Yufera, Manuel; Ueberschär, Bernd et al. (2018). Feeding behaviour and digestion physiology in larval fish: current knowledge and gaps and bottlenecks in research. (external link)
• Kjørsvik, Elin; Galloway, Trina Falck; Estevez, Alicia et al. (2011). Effects of larval nutrition on development. (external link)

Popular scientific article

• Rønnestad, Ivar; Hamre, Kristin; Tomazs, Furmanek et al. (2015). Kan vi forklare de underliggende faktorer som gir en rasktvoksende fiskelarve av god kvalitet. (external link)
• Sæle, Øystein; Haugen, Trine; Karlsen, Ørjan et al. (2015). Utviklingsstadier i torsk basert på beindannelse. (external link)
• Sæle, Øystein; Pittman, Karin (2005). Utviklingsstadier for kveite – fra startforing til juvenil. (external link)

Errata

• Hansen, Truls Wergeland; Folkvord, Arild; Grøtan, Espen et al. (2014). Corrigendum to "Genetic ontogeny of pancreatic enzymes in Labrus bergylta larvae and the effect of feed type on enzyme activities and gene expression" [Comp. Biochem. Physiol. B 164 (2013) 176-184]. (external link)

Chapter

• Krogdahl, Åshild; Sæle, Øystein; Lie, Kai Kristoffer et al. (2014). Characteristics of the digestive functions in ballan wrasse fed dry and moist diets. (external link)
• Helland, Synnøve; Lein, Ingrid; Sæle, Øystein et al. (2014). Effects of feeding frequency on growth and gut health of ballan wrasse juveniles. (external link)

Masters thesis

• Kjørsvik, Elin; Stavrakaki, Maria; Sæhle, Øystein (2013). Ballan wrasse (Labrus bergylta) Larvae and Live-Feed Quality; Effects on Growth and Expression of Genes related to Mitochondrial Functions. (external link)
• Sissener, Nini Hedberg; Pittman, Karin; Sæle, Øystein (2006). Expression of Immunoglobulin M (IgM) in metamorphosing larvae of Atlantic halibut (Hippoglossus hippoglossus L.), detected by in situ hybridization. (external link)

See a complete overview of publications in Cristin.