Browsing Brage IMR by Author "Madaro, Angelico"
Now showing items 1-20 of 25
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Acute stress response on Atlantic salmon: a time-course study of the effects on plasma metabolites, mucus cortisol levels, and head kidney transcriptome profile
Madaro, Angelico; Nilsson, Jonatan; Whatmore, Paul; Roh, HyeongJin; Grove, Søren; Stien, Lars Helge; Olsen, Rolf Erik (Peer reviewed; Journal article, 2022)Farmed Atlantic salmon (Salmo salar) welfare and performance can be strongly influenced by stress episodes caused by handling during farming practices. To better understand the changes occurring after an acute stress ... -
Algal oil gives control of long-chain omega-3 levels in full-cycle production of Atlantic salmon, without detriment to zootechnical performance and sensory characteristics
Santigosa, Ester; Olsen, Rolf-Erik; Madaro, Angelico; Verlhac Trichet, Viviane; Carr, Ian (Peer reviewed; Journal article, 2023)The levels of eicosapentaenoic (EPA) and docosahexaenoic (DHA) in salmon fillets have decreased because of the progressive replacement of fish oil (FO). This study contributes to enabling the sustainable growth of aquaculture ... -
Blue mussel (Mytilus edulis) silage, a possible low trophic marine protein source for Atlantic salmon (Salmo salar L.)
Sartipiyarahmadi, Sahar; Philip, Antony Jesu Prabhu; Forshei, Aksel N.; Sveier, Harald; Steinsund, Silje; Kleppe, Malin; Lock, Erik Jan Robert; Madaro, Angelico; Hansen, Tom Johnny; Strand, Øivind; Wiech, Martin; Jakobsen, Jan Vidar; Remø, Sofie C. (Peer reviewed; Journal article, 2024)Blue mussel (Mytilus edulis) could be a promising marine protein source in fish feeds and is of great interest since it can be cultivated along the Norwegian coastline. However, the use of blue mussels in feeds is dependent ... -
Cleaner fish growth, welfare and survival in Atlantic salmon sea cages during an autumn-winter production
Geitung, Lena; Wright, Daniel William; Oppedal, Frode; Stien, Lars Helge; Vågseth, Tone; Madaro, Angelico (Peer reviewed; Journal article, 2020)Cleaner fish used as a biological control agent against salmon lice is rapidly increasing in Atlantic salmon aquaculture. However, concerns have been raised about the welfare and mortality of cleaner fish in salmon cage ... -
Comparing physiological responses of acute and chronically stressed diploid and triploid Atlantic salmon (Salmo salar)
Madaro, Angelico; Lai, Floriana; Fjelldal, Per Gunnar; Hansen, Tom Johnny; Gelebart, Virginie; Muren, Brynjar; Rønnestad, Ivar; Olsen, Rolf-Erik; Stien, Lars Helge (Peer reviewed; Journal article, 2024)We compared the performance and physiological response of diploid and triploid Atlantic salmon (Salmo salar) following 21 days of either unpredictable chronic stress (UCS) or no disturbance (control). Thereafter, all four ... -
A comparison of triploid and diploid Atlantic salmon (Salmo salar) performance and welfare under commercial farming conditions in Norway
Madaro, Angelico; Kjøglum, Sissel; Hansen, Tom Johnny; Fjelldal, Per Gunnar; Stien, Lars Helge (Peer reviewed; Journal article, 2021)Avoiding genetic interactions between wild and farmed Atlantic salmon is regarded as one of the major requirements for a sustainable salmon aquaculture industry. For this reason, farming functional sterile triploids has ... -
Coping with a changing environment: The effects of early life stress
Vindas, Marco Antonio; Madaro, Angelico; Fraser, Thomas; Höglund, Erik; Olsen, Rolf Erik; Øverli, Øyvind; Kristiansen, Tore S (Journal article, 2016) -
CRISPR/Cas9-mediated editing of Δ5 and Δ6 desaturases impairs Δ8-desaturation and docosahexaenoic acid synthesis in Atlantic salmon (Salmo salar L.)
Datsomor, Alex Kojo; Olsen, Rolf Erik; Madaro, Angelico; Bones, Atle M.; Edvardsen, Rolf Brudvik; Wargelius, Anna; Winge, Per (Journal article; Peer reviewed, 2019)The in vivo functions of Atlantic salmon fatty acyl desaturases (fads2), Δ6fads2-a, Δ6fads2-b, Δ6fads2-c and Δ5fads2 in long chain polyunsaturated fatty acid (LC-PUFA) synthesis in salmon and fish in general remains to be ... -
Delousing Efficacy and Physiological Impacts on Atlantic Salmon of Freshwater and Hyposaline Bath Treatments
Thompson, Cameron; Madaro, Angelico; Oppedal, Frode; Stien, Lars Helge; Bui, Samantha (Rapport fra havforskningen;2023 - 11, Research report, 2023)A pilot study was conducted to investigate the delousing efficacy and physiological effects of freshwater and hyposaline water in Atlantic salmon ( Salmo salar ) for various treatment durations. There were four primary ... -
Effekt på dyrevelferd av gjentatte termiske behandlinger med ulik Δt, ulik utgangstemperatur og ulik behandlingstemperatur
Stien, Lars Helge; Bui, Samantha; Nilsson, Jonatan; Madaro, Angelico; Fjelldal, Per Gunnar; Schrøder, Merete Bjørgan; Venås, Birger; Johansen, Malin; Seternes, Tore; Åkesson, Caroline Piercey; Wisløff, Helene; Brinchmann, Monica Fengsrud; Patel, Deepti Manjari; Iversen, Martin Haugmo (Rapport fra havforskningen;2022 - 39, Research report, 2022)Formålet med forsøkene i arbeidspakke 2 i TermVel-prosjektet var å avdekke effekt på dyrevelferd av gjentatt termisk behandling av laks gitt ulik utgangstemperatur, ulik behandlingstemperatur og ulik Δt (differanse mellom ... -
Evaluating a crowding intensity scale and welfare indicators for Atlantic salmon in sea cages
Stien, Lars Helge; Nilsson, Jonatan; Noble, Christopher; Izquierdo-Gomez, David; Ytteborg, Elisabeth; Timmerhaus, Gerrit; Madaro, Angelico (Peer reviewed; Journal article, 2024)A 5-level crowding intensity scale for directing and auditing the crowding of Atlantic salmon in sea cages based on surface observations is currently included in standards, manuals, and guidelines for fish farmers. Here ... -
Growth Performance, Nutrient Digestibility, and Retention in Atlantic Salmon, Salmo salar L., Fed Diets with Fermented Sugar Kelp, Saccharina latissima
Sartipiyarahmadi, Sahar; Philip, Antony Jesu Prabhu; Sveier, Harald; Steinsund, Silje; Lock, Erik Jan Robert; Madaro, Angelico; Hansen, Tom Johnny; Wiech, Martin; Strand, Øivind; Jakobsen, Jan Vidar; Van Der Heide, Marleen E.; Nørgaard, Jan Værum; Remø, Sofie C. (Peer reviewed; Journal article, 2023)Using low trophic marine resources such as sugar kelp (Saccharina latissimi) is of great interest to increase the circular food production in the ocean. Sugar kelp does, however, contain high levels of carbohydrates and ... -
Impact of dietary carbohydrate/protein ratio on hepatic metabolism in land-locked Atlantic salmon (Salmo salar L.)
Betancor, Mónica B.; Olsen, Rolf Erik; Marandel, Lucie; Skulstad, Ole Fredrik; Madaro, Angelico; Tocher, Douglas R.; Panserat, Stephane (Journal article; Peer reviewed, 2018)A common-garden experiment was carried out to compare two genetically distinct strains of Atlantic salmon (Salmo salar) fed diets with either high (CHO) or low (NoCHO) digestible carbohydrate (starch). Twenty salmon from ... -
Increasing Dip Net Mesh Size Results in More Fin Splits in Post-Smolt Atlantic Salmon (Salmo salar)
Moltumyr, Lene; Stien, Lars Helge; Madaro, Angelico; Nilsson, Jonatan (Peer reviewed; Journal article, 2022)Dip nets are widely used to retrieve fish from the water but can cause injuries to the fish. The objective of this study was to document the potential effects of dip net mesh size with respect to external injuries, more ... -
Intestinal health in Atlantic salmon post-smolt (Salmo salar) when fed low- and high HUFA diets
Løvmo, Signe Dille; Sundh, Henrik; Whatmore, Paul; Nordvi, Malene Fosse; Sigholt, Trygve; Madaro, Angelico; Bardal, Tora; Olsen, Rolf Erik (Peer reviewed; Journal article, 2022)It is well established that farmed Atlantic salmon (Salmo salar) need n3-highly unsaturated fatty acids (HUFA) in their diet to thrive and grow. However, the biological functions to the individual HUFAs may differ, implying ... -
Long-term welfare effects of repeated warm water treatments on Atlantic salmon (Salmo salar)
Moltumyr, Lene; Nilsson, Jonatan; Madaro, Angelico; Seternes, Tore; Winger, Fredrik Agerup; Rønnestad, Ivar; Stien, Lars Helge (Peer reviewed; Journal article, 2021)Warm water treatment has in recent years become widely used for ridding salmonids of sea lice in aquaculture although the consequences of the treatment for fish welfare are not adequately investigated. The objective of ... -
Mid and hindgut transcriptome profiling analysis of Atlantic salmon (Salmon salar) under unpredictable chronic stress
Løvmo, Signe Dille; Madaro, Angelico; Whatmore, Paul; Bardal, Tora; Østensen, Mari-Ann; Sandve, Simen Rød; Olsen, Rolf Erik (Peer reviewed; Journal article, 2020)The intestinal epithelium is a selectively permeable barrier for nutrients, electrolytes and water, while maintaining effective protection against pathogens. Combinations of stressors throughout an animal's life, especially ... -
Molecular Mechanism Involved in Carotenoid Metabolism in Post-Smolt Atlantic Salmon: Astaxanthin Metabolism During Flesh Pigmentation and Its Antioxidant Properties
Schmeisser, Jerome; Verlac-Trichet, Viviane; Madaro, Angelico; Lall, Santosh P.; Torrissen, Ole; Olsen, Rolf Erik (Peer reviewed; Journal article, 2021)A better understanding of carotenoid dynamics (transport, absorption, metabolism, and deposition) is essential to develop a better strategy to improve astaxanthin (Ax) retention in muscle of Atlantic salmon. To achieve ... -
Red and white chinook salmon (Oncorhynchus tshawytscha): Differences in the transcriptome profile of muscle, liver, and pylorus
Madaro, Angelico; Torrissen, Ole; Whatmore, Paul; Lall, Santosh P.; Schmeisser, Jerome; Verlhac Trichet, Viviane; Olsen, Rolf Erik (Peer reviewed; Journal article, 2020)Astaxanthin (Ax), the main carotenoid responsible for the distinct red flesh color in salmonids (Oncorhynchus, Salvelinus, Salmo, and Parahucho), is added to the diet of farmed fish at a substantial cost. Despite the great ... -
Skeletal deformities in wild and farmed cleaner fish species used in Atlantic salmon Salmo salar aquaculture
Fjelldal, Per Gunnar; Madaro, Angelico; Hvas, Malthe; Stien, Lars Helge; Oppedal, Frode; Fraser, Thomas (Peer reviewed; Journal article, 2020)As a first attempt to assess bone health in cleaner fish production, wild and cultured ballan wrasse Labrus bergylta and lumpfish Cyclopterus lumpus were examined by radiology. In C. lumpus, wild fish (57%) had more vertebra ...