Blar i ICES CM documents authored by IMR scientists (1949-2011) på emneord "egg production"
Viser treff 21-25 av 25
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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
(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 egg production and spawning stock size of the North Sea mackerel and horse mackerel stocks in 1988
(ICES CM Documents;1989/H:16, Working paper, 1989)During the period 5 April to 28 July 1988 the spawning areas of North Sea mackerel and horse mackerel were investigated by research vessels from the Netherlands, Denmark and Norway. Based on the plankton samples ... -
The egg production and spawning stock size of the North Sea mackerel stock in 1984
(ICES CM Documents;1985/H:38, Working paper, 1985)During the period 22 May to 17 July the spawning area of North Sea mackerel was investigated by research vessels from Scotland, the Netherlands, Denmark and Norway. Based on the 629 plankton samples and temperature ... -
The egg production and spawning stock size of the North Sea mackerel stock in 1990
(ICES CM Documents;1991/H:11, Working paper, 1991)During the period 12 March to 20 July 1990 the spawning area of the North Sea mackerel was investigated by research vessels from the Netherlands, Denmark and Norway. Based on the plankton samples and temperature observations ... -
Upwelling incubators for eggs of the Atlantic halibut (Hippoglossus hippoglossus L.)
(ICES CM Documents;1987/F:20, Working paper, 1987)Incubators with upwelling water for eggs of the Atlantic Halibut are described. Tending and fate of the eggs where monitored, with special emphasis on egg mortality and bacterial activity. Bacterial activity in ...