Browsing Brage IMR by Author "Raa, Jan"

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Bath-vaccination against vibriosis

Egidius, Emmy; Andersen, Sissel; Raa, Jan; Clausen, E. (ICES CM Documents;1981/F:47, Working paper, 1981)
Properties of a new artificial diet for fish larvae, including cod Gadus morhua L. In: The propagation of cod Gadus morhua L.: an international symposium, Arendal, 14 - 17 June 1983

Molvik, G.; Hjelmeland, Knut; Ringø, Einar; Raa, Jan (Flødevigen rapportserie, Conference object, 1984)

A dry feed produced from cod roe has been shown to support growth of cod larvae, although not beyond metamorphosis. Cod larvae respond to the feed by producrng trypsin. Since cod roe is very rich in polyunsaturated fatty ...
Trypsin and trypsinogen as indices of growth and survival potential of cod (Gadus morhua L.) larvae. In: The propagation of cod Gadus morhua L.: an international symposium, Arendal, 14 - 17 June 1983

Hjelmeland, Knut; Huse, Ingvar; Jørgensen, Terje; Molvik, G.; Raa, Jan (Flødevigen rapportserie, Conference object, 1984)

Using a radioimmunoassay it could be demonstrated that the content of trypsin and trypsinogen in cod larvae increased markedly during the first 4 days after hatching. In the same period the trypsin activity, measured ...