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Sero- and genotyping of some marine aquatic birnavirus isolates from Norway
(Journal article; Peer reviewed, 1997-03-27)Twelve isolates of aquatic birnaviruses (9 field isolates from marine fish and shellfish and the Ab/A(3), Sp/A(2) and N1 strains) were serotyped using an immunodot assay. The assay with 17 monoclonal antibodies revealed ... -
Experimental infection of turbot Scophthalmus maximus and halibut Hippoglossus hippoglossus yolk sac larvae with Aeromonas salmonicida subsp. salmonicida
(Journal article; Peer reviewed, 1997-04-24)The susceptibility of early life stages of turbot Scophthalmus maximus and halibut Hippoglossus hippoglossus to Aeromonas salmonicida subsp. salmonicida was studied in challenge experiments. Eggs of both fish species (and ... -
Detection of a nodavirus-like agent in heart tissue from reared Atlantic salmon Salmo salar suffering from cardiac myopathy syndrome (CMS)
(Journal article; Peer reviewed, 1997-05-22)The present study shows that a nodavirus-like agent is associated with the lesions of cardiac myopathy syndrome (CMS), a disease of unknown etiology which affects reared adult Atlantic salmon Salmo salar. In archive ... -
Vacuolating encephalopathy and retinopathy associated with a nodavirus-like agent: a probable cause of mass mortality of cultured larval and juvenile Atlantic halibut Hippoglossus hippoglossus
(Journal article; Peer reviewed, 1997-05-22)Reared larval and juvenile Atlantic halibut Hippoglossus hippoglossus collected during incidences of mass mortality in 2 hatcheries were studied by light and electron microscopy. A vacuolating encephalopathy and retinopathy ... -
Spatial patterns of the temporal dynamics of three gadoid species along the Norwegian Skagerrak coast
(Journal article; Peer reviewed, 1997-08-28)Time series from an extensive research survey of juveniles of cod Gadus morhua, pollack Pollachius pollachius and whiting Merlangius merlangus sampled from 1919 to 1994 at 38 stations along the Norwegian Skagerrak coast ... -
Effects of ration on the maturation and fecundity in captive Atlantic herring (Clupea harengus)
(Journal article; Peer reviewed, 1998)We examined the effects of amount of food on vitellogenic oocyte size and number (fecundity) between two experimental groups of Atlantic herring (Clupea harengus) kept in separate but identical compartments of a large ... -
System Model (Systmod) for the Norwegian Sea and the Barents Sea
(Chapter, 1998) -
Reproduction and development of Calanius finmarchicus, C. glacialis and C. hyperboreus in the Barents Sea
(Journal article; Peer reviewed, 1998)The aim of this study is to examine the reproduction and development of Calanus finmarchicus, C. glacialis and C. hyperboreus in relation to the timing and progress of the phytoplankton spring bloom in different water ... -
Efficacy of Orally Administered Florfenicol in the Treatment of Furunculosis in Atlantic Salmon
(Journal article; Peer reviewed, 1998)This study was performed to determine the efficacy of orally administered florfenicol to treat experimentally induced furunculosis in Atlantic salmon Salmo salar held in seawater. A strain of the causative bacterium, ... -
Havbeite med hummer: Artsrapport
(PUSH;, Research report, 1998)Program for Utvikling og Stimulering av Havbeite (PUSH) -
Long-term fluctuations in cod and pollack along the Norwegian Skagerrak coast
(Journal article; Peer reviewed, 1998-02-12)We tested whether the long-term fluctuations in abundance of 0-group cod Gadus morhua and pollack Pollachius pollachius sampled from 1919 to 1994 at 38 stations along the Norwegian Skagerrak coast might be related to the ... -
Stability of an infectious pancreatic necrosis virus (IPNV) isolate stored under different laboratory conditions
(Journal article; Peer reviewed, 1998-05-14)An infectious pancreatic necrosis virus (IPNV) belonging to the Sp serotype, isolated from scallops Pecten maximus, was propagated and suspended in sterile water and cell culture medium with different salinities and incubated ... -
The Barents Sea capelin stock 1972-1997. A synthesis of results from acoustic surveys
(Journal article; Peer reviewed, 1998-05-15)The abundance of the Barents Sea capelin stock has been monitored using acoustic methods since 1972. Today, 25 years later, it is one of the few stocks within the ICES area for which an annual acoustic stock size estimate ... -
Atlantic observation of Calanus marshallae (Copepoda; Calanoida)
(Journal article; Peer reviewed, 1998-05-28)An observation of Calanus marshallae Frost, 1974, on the Atlantic side of the Polar Ocean is reported. Copepods were identified by comparing nucleotide sequences of mitochondrial 16S ribosomal RNA with a previously reported ... -
Life history strategies and spatial dynamics of the Barents Sea capelin (Mallotus villosus)
(Doctoral thesis, 1998-09)This thesis consists of four papers on the life history strategy and spatial distribution of the Barents Sea capelin (Mallotus villosus). In the first two papers, sex specific aspects of capelin life history are investigated ... -
Schooling of the vertically migrating mesopelagic fish Maurolicus muelleri in light summer nights
(Journal article; Peer reviewed, 1998-09-03)Vertically migrating Maurolicus muelleri arrested their nocturnal ascent below the peak zooplankton concentrations during Light summer nights at 62 degrees N. At 69 degrees N, the behavior was further modified, with M, ... -
The effect of interannual variation in growth and condition on haddock recruitment
(Journal article; Peer reviewed, 1999)The relationship between recruitment and spawner biomass assumes that estimates of spawner biomass are proportional to total egg production by the stock. The validity of this assumption is in question for long-lived ... -
Modeling the target strength of Meganyctiphanes norvegica
(Others, 1999)