Essays about: "aquaculture"

Showing result 11 - 15 of 127 essays containing the word aquaculture.

  1. 11. Replacement of fish protein in fish feed : effects on the yeast flora in the gut of Arctic charr (Salvelinus alpinus)

    University essay from SLU/Dept. of Animal Nutrition and Management

    Author : Hanna Rydmark; [2023]
    Keywords : Microbiota; Saccharomyces cerevisiae; fishmeal; mussel meal; Mytilus edulis; aquaculture;

    Abstract : The aim with this study was to investigate how feeds with different protein sources influence the levels and composition of the yeast flora in the gut of Arctic charr (Salvelinus alpinus). Arctic charr were fed for two weeks on a control diet (C) with fishmeal (FM) or experimental diets with 40% FM replaced by yeast (Saccharomyces cerevisiae) (Y), meal from blue mussel (Mytilus edulis) (M) or a feed with Baltic Sea originated protein; 33% FM, 33% mussel meal (MM) and 33% S. READ MORE

  3. 12. Stress vid bedövning av öring (Salmo trutta)

    University essay from SLU/Dept. Of Aquatic Resources

    Author : Ella Andersson; [2023]
    Keywords : fisk; stress; bedövning; kortisol; öring;

    Abstract : Vattenbruk är i Sverige en allt växande marknad med stor potential, både för att bevara sårbara fiskpopulationer och för att producera hållbara animaliska livsmedel. I takt med att fler fiskar odlas för forskning, konsumtion och utsättning ökar behovet av bra och etisk djurhållning. READ MORE

  4. 13. Sustainability assessment on different crops for aquaponics : an evaluation table for growing crops using wastewater from juvenile Atlantic salmon in RAS

    University essay from Lunds universitet/Institutionen för naturgeografi och ekosystemvetenskap

    Author : Elísabet Jónsdóttir; [2023]
    Keywords : Aquaponics; RAS; MCDA; Atlantic salmon Smolt; hydroponics; Sustainability; Earth and Environmental Sciences;

    Abstract : Aquaculture is an expanding industry, supplying closer to 50% of the total fish consumption. Commercialized fish production faces sustainability challenges which are important to address. Aquaponics uses wastewater from aquaculture to grow plants using hydroponics. READ MORE

  5. 14. The Ecological and Anthropogenic Impacts of fishing gear in a tropical system : How the size of Spotted Rose Snapper (Lutjanus guttatus) and the ratio of target catch, is influenced by approved fishing gear within a marine area of responsible fishing in the South-Western Gulf of Nicoya, Costa Rica.

    University essay from Linnéuniversitetet/Institutionen för biologi och miljö (BOM)

    Author : Alfred Eriksson; [2023]
    Keywords : Overfishing; overexploitation; Spotted Rose Snapper; Lutjanus guttatus; Gulf of Nicoya; Costa Rica; marine protected areas; artisinal fishermen; bycatch; Costa Rican Institute of Fisheries and Aquaculture; incopesca; fishing gear; longlines;

    Abstract : The oceans are essential for humanity, yet these systems continue to be degraded and suffer from pollution, habitat destruction and overexploitation. The Costa Rican Gulf of Nicoya is a productive gulf that is fished by both large-scale industrial fisheries and small-scale artisanal fishermen. READ MORE

  6. 15. EVALUATING HEAT TREATMENT AS A METHOD TO REDUCE BIOFOULING IN OYSTER AQUACULTURE. Heat tolerance in Swedish grown Magallana gigas and Ostrea edulis.

    University essay from Göteborgs universitet / Instiutionen för biologi och miljövetenskap

    Author : Niklas Agblad; [2022-09-28]
    Keywords : ;

    Abstract : Aquaculture is a growing business in various parts of the world, Sweden included. As the commercial use of oysters increases, so does its demand. Farmers will need to produce a high quality product that is appealing to the customer and cost-effective for the farmer. READ MORE