Essays about: "Fish Feed"

Showing result 6 - 10 of 93 essays containing the words Fish Feed.

  1. 6. Cultivation of Yarrowia lipolytica on a hydrolysate based on food waste

    University essay from SLU/Department of Molecular Sciences

    Author : Hanna Norrman; [2023]
    Keywords : Yarrowia lipolytica; hydrolysate; food waste; fish feed; volatile fatty acids;

    Abstract : Interest in replacing fish oil and fish meal as fish feed ingredients with more socially, environmen-tally, and economically sustainable alternatives has increased in recent years. One such alternative could be the use of yeast biomass. READ MORE

  3. 7. 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

  4. 8. STARTING FROM THE BOTTOM: USING LOW TROPHIC SPECIES IN SALMON FEEDS. Assessing the environmental performance of novel salmon feeds with LCA .

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Moritz Hempel; [2022-08-30]
    Keywords : LCA; Salmon aquaculture; novel feeds; seaweed; blue mussel;

    Abstract : Over the past 30 years, the formulation of salmon feeds has shifted from being based on marine ingredients like fishmeal and fish oil towards more plant-based ingredients. This shift was caused by limited supply of wild fish and general sustainability concerns related to using forage fish for feed, so they were mainly replaced with vegetable-protein. READ MORE

  5. 9. MINERAL CARRYOVER FROM SHELLED MUSSEL MEAL IN THE SPOTTED WOLFFISH (ANARHICHAS MINOR). Potential of dietary mineral supplementation on growth, stress and health.

    University essay from Göteborgs universitet / Institutionen för biologi och miljövetenskap

    Author : Terese Hjelleset; [2022-08-16]
    Keywords : ;

    Abstract : The potential of Swedish aquaculture is currently not fulfilled as Sweden is still a net importer of fish with low production and narrow species diversity. In recent years, there has been increasing interest in expanding and diversifying Swedish aquaculture to make it more sustainable and competitive. READ MORE

  6. 10. Predicting Treatment Performance Using Ternary Plot : Macronutrients’ impact on biomass conversion efficiency

    University essay from Uppsala universitet/Institutionen för geovetenskaper

    Author : Madeleine Gobl; [2022]
    Keywords : Black soldier fly; organic waste treatment; biomass conversion efficiency; treatment performance; macronutrients; ternary plot; organic waste; amerikansk vapensflugan; triangulär diagram; organiskt avfallsbehandling; organiskt avfall; behandlingseffektivitet; biomassomvandlings-effektivitet; makronäringsämnen;

    Abstract : Black soldier fly larvae (BSFL) waste treatment is becoming a more sought-after organic waste treatment since it produces larvae for animal feed as well as fertilizer, the need for prediction and optimization of treatment performance increases. This study aims to predict biomass conversion efficiency (BCE) for waste going into treatment, using only the nutritional data from other studies as it could give a good performance estimation while using available data. READ MORE