Sökning: "salmon farming"
Visar resultat 1 - 5 av 14 uppsatser innehållade orden salmon farming.
1. STARTING FROM THE BOTTOM: USING LOW TROPHIC SPECIES IN SALMON FEEDS. Assessing the environmental performance of novel salmon feeds with LCA .
Master-uppsats, Göteborgs universitet / Institutionen för biologi och miljövetenskapSammanfattning : 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. LÄS MER
2. Perceptions on marine salmonfarming development inBíldudalur, Iceland
Master-uppsats, Stockholms universitet/Institutionen för naturgeografiSammanfattning : Marine salmon farming is a new and fast-growing industry in Iceland after decades of uncertainties within aquaculture development in the country. While growing at a tremendous speed in the last few years, the development has been challenged by different social groups in regard to its socio-economic and environmental effects. LÄS MER
3. Gains N Greens
M1-uppsats, Högskolan i Halmstad/Akademin för ekonomi, teknik och naturvetenskapSammanfattning : At present, it is focused either on aquaculture or agriculture. Those who focus on aquaculture or Recirculating Aquaponics System (RAS) receive a by-product of ammonia, which is then cleaned and the water either goes back to the fish or it is not cleaned at all and as they do in the salmon farms for example they let it sink to the bottom which creates eutrophication and major problems among the marine. LÄS MER
4. Fiskodlingens påverkan på fenskador och överlevnad hos utsatt lax – fokus på fisktäthet, fodertyp och foderregimer
Kandidat-uppsats, SLU/Dept. Of Aquatic ResourcesSammanfattning : Varje år sätts det ut cirka 55 000 öringsmolt och 60 000 laxsmolt i Dalälven från SLU:s fiskodling i Älvkarleby vilket sker som en kompensation för utbyggnaden av vattenkraften i älven. Det här arbetet fokuserar på ettårig lax och innehåller tre olika studier som undersöker hur fisktäthet, fodertyp och -regimer påverkar fenskador och överlevnaden hos den utsatta laxsmolten. LÄS MER
5. Epidemiological aspects of infectious salmon anemia
Kandidat-uppsats, SLU/Dept. of Biomedical Sciences and Veterinary Public HealthSammanfattning : Infectious salmon anemia is an orthomyxyviral disease posing a serious challenge to the aquaculture of atlantic salmon (Salmo salar). The virus causes severe disease resulting in high moratlity and significant costs to the industry. LÄS MER