Blar i Brage IMR på forfatter "Samuelsen, Ole Bent"
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Evaluating bioencapsulation of florfenicol in rotifers (Brachionus plicatilis)
Roiha, Irja Sunde; Otterlei, Erling; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2010-11-11)The rotifer Brachionus plicatilis is one of the most important live-feed organisms used in the larval culture of marine fish. Bioencapsulation of florfenicol in rotifers was investigated by delivering it directly to the ... -
Evaluating bioencapsulation of florfenicol in rotifers (Brachionus plicatilis)
Roiha, Irja Sunde; Otterlei, Erling; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2010-11-11)The rotifer Brachionus plicatilis is one of the most important live-feed organisms used in the larval culture of marine fish. Bioencapsulation of florfenicol in rotifers was investigated by delivering it directly to the ... -
Impact of administering antibacterial agents on wild fish and blue mussels Mytilus edulis in the vicinity of fish farms
Ervik, Arne; Thorsen, B.; Eriksen, V.; Lunestad, Bjørn Tore; Samuelsen, Ole Bent (Journal article; Peer reviewed, 1994-01-27)Using high-performance liquid chromatography, residues of the quinolones oxolinic acid and flumequine have been quantified in muscle of wild fish. The fish were caught 0 or 1 d after terminating medication in the vicinity ... -
The impact of anti-sea lice pesticides, azamethiphos and deltamethrin, on European lobster (Homarus gammarus) larvae in the Norwegian marine environment
Parsons, Aoife Elizabeth; Escobar, Rosa; Sævik, Pål Næverlid; Samuelsen, Ole Bent; Agnalt, Ann-Lisbeth (Peer reviewed; Journal article, 2020)Anti-sea lice pesticides, used in the salmonid aquaculture industry, are a growing environmental concern due to their potential to adversely affect non-target crustaceans. Azamethiphos and deltamethrin are two bath treatment ... -
Kommentar til risikovurdering av forurensede sedimenter. Uttalelse fra Faggruppen for forurensninger, naturlige toksiner og medisinrester i matkjeden
Skåre, Janneche Utne; Alexander, Jan; Aune, Tore; Berntssen, Marc; Grave, Kari; Julshamn, Kåre; Knutsen, Helle Katrine; Meltzer, Helle Margrete; Samuelsen, Ole Bent (VKM Report, Research report, 2005) -
Kunnskapsstatus - miljøeffekter av norsk fiskeoppdrett 2019 : Risikorapport norsk fiskeoppdrett, del 2
Grefsrud, Ellen Sofie; Svåsand, Terje; Glover, Kevin; Husa, Vivian; Hansen, Pia Kupka; Samuelsen, Ole Bent; Sandlund, Nina; Stien, Lars Helge (Fisken og havet;2020 - 6, Research report, 2020)Havforskningsinstituttet har siden 2011 gitt ut en årlig rapport for risikovurdering av miljøeffekter knyttet til norsk fiskeoppdrett. Frem til 2018 var risikorapporten både risikovurdering og kunnskapsstatus i ett. For å ... -
Modelling chemical releases from fish farms: impact zones, dissolution time, and exposure probability
Sævik, Pål Næverlid; Agnalt, Ann-Lisbeth; Samuelsen, Ole Bent; Myksvoll, Mari Skuggedal (Peer reviewed; Journal article, 2021)Tarpaulin bath treatments are used in open net-pen finfish aquaculture to combat parasitic infections, in particular sea lice. After treatment, the toxic wastewater is released directly into the ocean, potentially harming ... -
Mortality and deformities in European lobster (Homarus gammarus) juveniles exposed to the anti-parasitic drug teflubenzuron
Samuelsen, Ole Bent; Lunestad, Bjørn T.; Farestveit, Eva; Grefsrud, Ellen Sofie; Hannisdal, Rita; Holmelid, Bjarte; Tjensvoll, Tore; Agnalt, Ann-Lisbeth (Journal article; Peer reviewed, 2014-02-04)This study describes experiments carried out to examine effects of the antiparasitic drug teflubenzuron, used in delousing farmed salmon, on a non-target species, the European lobster (Homarus gammarus). Juvenile lobsters ... -
Mortality and reduced photosynthetic performance in sugar kelp Saccharina latissima caused by the salmon-lice therapeutant hydrogen peroxide
Haugland, Barbro Taraldset; Rastrick, Samuel; Agnalt, Ann-Lisbeth; Husa, Vivian; Kutti, Tina; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2019)Sugar kelp Saccharina latissima is one of the dominating kelp species on sheltered sublittoral sites along the Norwegian coastline, providing important habitats and ecosystem services. In finfish aquaculture in Norway, ... -
Mortality in the rockpool shrimp Palaemon elegans following long-term exposure to low doses of the anti-parasitic drug Teflubenzuron
Samuelsen, Ole Bent; Parsons, Aoife; Agnalt, Ann-Lisbeth; Tjensvoll, Tore; Lunestad, Bjørn Tore; Hannisdal, Rita (Peer reviewed; Journal article, 2020)Anti-parasitic drugs used to control sea lice infestations in the salmonid aquaculture industry are a growing environmental concern due to their potential impacts on non-target crustacean species. This study examined the ... -
Organic waste and antibiotics from aquaculture
Samuelsen, Ole Bent; Torsvik, Vigdis; Hansen, Pia Kupka; Pittman, Karin; Ervik, Arne (ICES CM Documents;1988/F:14, Working paper, 1988)During the past year three joint projects have been conducted concerning the fate of organic waste and antibiotics from various Norwegian fish farms. The projects are investigating the following topics: - decomposition ... -
Pharmacokinetic Data Show That Oxolinic Acid and Flumequine Are Absorbed and Excreted Rapidly From Plasma and Tissues of Lumpfish
Haugland, Gyri Teien; Kverme, Karen obrestad; Hannisdal, Rita; Kallekleiv, Marielle; Colquhoun, Duncan John; Lunestad, Bjørn Tore; Wergeland, Heidrun Inger; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2019)This study examined the uptake, tissue distribution and elimination of the antibacterial agents oxolinic acid and flumequine in lumpfish (Cyclopterus lumpus L.) by use of LC-MS/MS following a single oral administration of ... -
Pharmacokinetics and transcriptional effects of the anti-salmon lice drug emamectin benzoate in Atlantic salmon (Salmo salar L.)
Olsvik, Pål Asgeir; Lie, Kai Kristoffer; Mykkeltvedt, Eva; Samuelsen, Ole Bent; Petersen, Kjell; Stavrum, Anne-Kristin; Lunestad, Bjørn Tore (Journal article, 2008)Background Emamectin benzoate (EB) is a dominating pharmaceutical drug used for the treatment and control of infections by sea lice (Lepeophtheirus salmonis) on Atlantic salmon (Salmo salar L). Fish with an initial mean ... -
Pharmacokinetics of florfenicol in cod Gadus morhua and in vitro antibacterial activity against Vibrio anguillarum
Samuelsen, Ole Bent; Bergh, Øivind; Ervik, Arne (Journal article; Peer reviewed, 2003-09-24)The pharmacokinetic profile of the antibacterial agent florfenicol was studied in plasma after intravenous (i.v.) injection and in plasma, muscle and liver following oral (p.o.) administration to cod Gadus morhua, held ... -
Pharmacokinetics of florfenicol in lumpfish (Cyclopterus lumpus L.) after a single oral administration
Kverme, Karen obrestad; Haugland, Gyri Teien; Hannisdal, Rita; Marielle, Kallekleiv; Colquhoun, Duncan John; Lunestad, Bjørn Tore; Wergeland, Heidrun Inger; Samuelsen, Ole Bent (Journal article; Peer reviewed, 2019)Farming of lumpfish for biological removal of sea lice from farmed Atlantic salmon has expanded rapidly in Europe and Canada over the last 5–6 years and the lumpfish has become an economically important species. There are, ... -
Reduced environmental impact of antibacterial agents applied in fish farms using the LiftUp feed system or a hydroacoustic feed detector
Ervik, Arne; Samuelsen, Ole Bent; Juell, Jon-Erik; Sveier, H. (Journal article; Peer reviewed, 1994-07-28)High-performance liquid chromatography was used to quantify residues of oxolinic acid and flumequine in muscle of wild fish caught in the vicinity of fish farms using the LiftUp feed collector system or a hydroacoustic ... -
Residues of oxolinic acid in wild fauna following medication in fish farms
Samuelsen, Ole Bent; Lunestad, Bjørn Tore; Husevåg, B.; Hølleland, T.; Ervik, Arne (Journal article; Peer reviewed, 1992-02-17)Dispersion of oxolinic acid and occurrence of Aeromonas salmonicida in wild fauna were studied in animals captured in the vicinity of 2 aquaculture facilities during and after medication with this drug. Consumption of ... -
Risikorapport norsk fiskeoppdrett 2018
Grefsrud, Ellen Sofie; Glover, Kevin; Grøsvik, Bjørn Einar; Husa, Vivian; Karlsen, Ørjan; Kristiansen, Tore S; Kvamme, Bjørn Olav; Mortensen, Stein; Samuelsen, Ole Bent; Stien, Lars Helge; Svåsand, Terje (Research report, 2018) -
Risikorapport norsk fiskeoppdrett 2019 - Miljøeffekter av lakseoppdrett
Grefsrud, Ellen Sofie; Svåsand, Terje; Glover, Kevin; Husa, Vivian; Hansen, Pia Kupka; Samuelsen, Ole Bent; Sandlund, Nina; Stien, Lars Helge (Fisken og Havet;2019 - 5, Research report, 2019)Årets Risikorapport norsk fiskeoppdrett omfatter effekter på vill laksefisk, utslipp fra anlegg, fiske og bruk av leppefisk i lakseoppdrett, samt velferd hos oppdrettsfisk i merd i sjø. Akvakultur har et svært komplekst ... -
Risikorapport norsk fiskeoppdrett 2021 - kunnskapsstatus - Kunnskapsstatus effekter av norsk fiskeoppdrett
Grefsrud, Ellen Sofie; Karlsen, Ørjan; Kvamme, Bjørn Olav; Glover, Kevin Alan; Husa, Vivian; Hansen, Pia Kupka; Grøsvik, Bjørn Einar; Samuelsen, Ole Bent; Sandlund, Nina; Stien, Lars Helge; Svåsand, Terje (Rapport fra havforskningen;2021 - 7, Research report, 2021)