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Found 3 essays matching the above criteria.
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1. Manipulations of feed ration and rearing density : effects on river migration performance of Atlantic salmon smolt
University essay from SLU/Dept. of Wildlife, Fish and Environmental StudiesAbstract : The out-migration of Atlantic salmon smolts was studied at the lower part of the Umeå River (River Umeälven) from the Norrfors dam towards the sea (Bothnian Bay) in northern Sweden. Two-year old hatchery-reared Atlantic salmon (n=250) were tagged with acoustic transmitters and released downstream of the Norrfors dam and monitored while migrating downstream. READ MORE
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2. Effects of Ethinylestradiol, EE2, exposure on Poecilia reticulta male specific genes, DMRT1 and CYP11b
University essay from Institutionen för livsvetenskaperAbstract : Endocrine disrupting chemicals (EDCs) found in every day product, can either be natural or man-made and usually exists in a concerning concentration in our aquatic environment which in turn could affect teleost reproduction. EDCs exposure in fishes may result in changes in their reproductive physiology and morphology resulting in for example induction in gonopodia in female fish when exposed to androgens and in males exposed to female estrogen a reduced sperm count and skewed sex ration. READ MORE
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3. Relationship between Na+/K+ -ATPase activity and α-subunit gene expression during the smoltification in Atlantic salmon (Salmo salar)
University essay from Fakulteten för samhälls- och livsvetenskaperAbstract : During the smoltification the Atlantic salmon (Salmo salar) develop different adaptations to survive in oceanic environment. One of the most important adaptations is the ability to excrete the surplus of salt through the gills. READ MORE
