Blar i Brage IMR på forfatter "Torrissen, Ole"
-
Sexual maturation: Effect on protease activities and carotenoid levels in Atlantic salmon (Salmo salar)
Torrissen, Krisna Rungruangsak; Torrissen, Ole (ICES CM Documents;1984/F:24, Working paper, 1984)Protease activities in the digestive tract and carotenoid levels in flesh, ovaries and plasma were determined in 4 to 4 1/2 year old Atlantic salmon (Salmo salar) during the period from early March until December. The ... -
The effect of a short time exposure to different temperature and salinity regimes on survival of maturing Atlantic salmon and eyed eggs, and changes in blood and seminal plasma during the spawning period
Albrektsen, Sissel; Nortvedt, Ragnar; Torrissen, Ole (ICES CM Documents;1986/F:25, Working paper, 1986)Maturing Atlantic salmon, transferred from brackish water two weeks prespawning, were held under four different temperature and salinity regimes through their spawning period. Values of blood glucose and haematocrit ... -
The effect of carotenoids on the development of roe and on growth rate of Atlantic salmon fry
Torrissen, Krisna Rungruangsak; Torrissen, Ole (ICES CM Documents;1982/M:12, Working paper, 1982) -
The effect of different photoperiods on growth and smoltification in Atlantic salmon (Salmo salar)
Stefansson, Sigurd O.; Hansen, Tom; Nævdal, Gunnar; Torrissen, Ole (ICES CM Documents;1985/F:32, Working paper, 1985)Photoperiod has been implicated as an effective mediator of growth and smelting in Atlantic salmon (Salmo salar). To investigate this 0+ parr of Atlantic salmon were treated with three different photoperiods: 24Light:0Dark; ... -
The effect of illumination on alevins of Atlantic salmon (Salmo salar) and rainbow trout (S. gairdneri), incubated on different substrates
Nortvedt, Ragnar; Hansen, Tom; Holm, Marianne; Torrissen, Ole (ICES CM Documents;1985/F:27, Working paper, 1985)Atlantic salmon (Salmo salar) and rainbow trout (S. gairdneri) eggs were incubated in plexi-glass aquariums. After hatching, alevins were kept in darkness, two groups of each species without substrate, two groups in ... -
The effects of light on the mortality of different pigmented atlantic salmon (Salmo salar) eggs.
Torrissen, Krisna Rungruangsak; Torrissen, Ole (ICES CM Documents;1981/M:16, Working paper, 1981) -
Tilvenning av torskeyngel til formulert fôr
Torrissen, Ole; Otterå, Håkon; Opstad, Ingegjerd; Lie, Øyvind; Hemre, Gro Ingunn (Havforskningsnytt, Working paper, 1991) -
Vitenskapelig grunnlag for nye arter i oppdrett
Skiftesvik, Anne Berit; Karlsen, Ørjan; Opstad, Ingegjerd; Torrissen, Ole (Fisken og havet, Research report, 2003)On request from the Norwegian department of Fisheries are the potential for farming of the most promising species of fish, shellfish, crustaceans and algae evaluated scientifically. The report includes species that are ...