Browsing Department of Biological Sciences by Subject "VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Fish health: 923"
Now showing items 1-3 of 3
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Characterization of the Atlantic cod (Gadus morhua L) eggs for estimation of spawning time and proportion of spawning females
(Master thesis, 2011-05-29)A set of eggs from first time spawning Atlantic cod (Gadus morhua L) was investigated for the understanding of variations in egg sizes, e.g. with time in the spawning season, daily inter and intra variations, daily ... -
Eksperimentell smitte av grønngylt, Symphodus melops, med V.tapetis - isolatene CECT 4600, LP2 og NRP45
(Master thesis, 2011-08-30)The use of wrasse (Labridae) as cleanerfish in salmonid aquaculture is the only method for removal of salmon lice that does not have any negative impact on the environment. The use of wild-caught wrasse has increased during ... -
The morphology of the threespine stickleback and its relation to predators and parasites, from three lakes in western Norway
(Master thesis, 2011-06-01)We studied the three-spined stickleback (Gasterosteus aculeatus) in three different lakes, with respect to morphology (Dorsal spine numbers and pelvis), distribution and relationship to the parasites Schistocephalus solidus ...