Essays about: "Fish Feed"

Showing result 1 - 5 of 25 essays containing the words Fish Feed.

  1. 1. Sustainable Resource Use of Common Bream and Roach Catch from Reduction Fishing in Östergötland

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Malin Svensson; [2014]
    Keywords : Sustainable development; Eutrophication; Reduction fishing; Biomanipulation; Waste management;

    Abstract : Nutrient inflows from anthropogenic sources into water systems are causing eutrophication, algal blooms and trophic changes in Swedish lakes and seas. The European water framework directive was implemented to regulate member countries' policies to achieve a good status in surface waters. READ MORE

  2. 2. Fysiska strukturer i Umeälvens gamla älvfåra och dess inverkan på laxsmoltens utvandringsframgång

    University essay from SLU/Dept. of Wildlife, Fish and Environmental Studies

    Author : Viktoria Tegenfeldt; [2014]
    Keywords : smolt; vandring; fysiska strukturer; Umeälven; akustiska sändare;

    Abstract : The survival of hatchery reared smolts is generally low after release. To get a better understanding of what variables affecting migration success, Atlantic salmon smolts were studied during their out-migration in the old river channel in the lower part of river Umeälven. READ MORE

  3. 3. An investigation of the lipid content and lipid composition in Atlantic salmon, pink salmon and striped catfish, obtained at the local retailers in Uppsala, Sweden

    University essay from SLU/Dept. of Food Science

    Author : Sara Lövkvist; [2014]
    Keywords : fatty acids; n-3 LCPUFA; EPA; DHA; Vegetable oils; aquaculture; fish feed;

    Abstract : The aim of this study is to investigate the lipid content and lipid composition of fatty acids in Atlantic salmon (Salmo salar), pink salmon (Oncorhynchus gorbuscha) and striped catfish (Pangasius hypophthalmus), obtained at the local retailers in Uppsala, Sweden. Then explore the cause of the differences in the fatty acids between the three fish species. READ MORE

  4. 4. Innovating Out of the Fishmeal Trap - A case study on how niche conditions in the Norwegian aquafeed sector led to the development of a sustainable technology with global potential

    University essay from Göteborgs universitet/Graduate School

    Author : Jonathan Moy de Vitry; [2013-07-03]
    Keywords : innovation systems; production regimes; sustainable innovation; multi-level perspective; technological change; dynamic formulation technology;

    Abstract : MSc in Innovation and Industrial Management.... READ MORE

  5. 5. Resource use and consumption of three-spined sticklebacks (Gasterosteus aculeatus) under different environmental conditions during winter.

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : David Bystedt; [2013]
    Keywords : fish; consumption; light condition; winter; climate change;

    Abstract : In temperate climate with pronounced seasonality, ice and snow cover reduces light conditions during winter which in turn reduce search efficiency for visual feeding consumers like fish. Furthermore, a suggested major effect of future climate change is an increased input of allochtonous DOC to aquatic systems which causes an increased brownification and hence reduced overall light conditions. READ MORE