Sökning: "Laxfiskar"
Visar resultat 1 - 5 av 16 uppsatser innehållade ordet Laxfiskar.
1. Rörelseaktivitet hos regnbågar (Oncorhynchus mykiss) med olika antal eumelaninfläckar, utsatta för stressande sportfiske
Kandidat-uppsats,Sammanfattning : Rainbow trout (Oncorhynchus mykiss) are introduced in large parts of the world and are commonly farmed for consumption as well as a valued sport fish. Many species of salmonids show large intraspecific variation in pigmentation, which has been shown to correlate with stress response and several other behavioral traits. LÄS MER
2. Molybden i ytvatten - En fara för laxfiskar och människor vid intag av fisken?
Kandidat-uppsats, Lunds universitet/Miljövetenskaplig utbildningSammanfattning : There are around 80, 000 polluted areas in Sweden, of which 1, 000 are classified as very high-risk areas and in need of decontamination. From the Gullspångs Elektrokemiska Fabrik AB in Sweden there is a great risk of metals, aliphatic and molybdenum spreading to the Gullspångs River. LÄS MER
3. Effekter av korttidsreglering och habitatrestaurering på simaktivitet hos harr (Thymallus thymallus)
Kandidat-uppsats, Karlstads universitet/Avdelningen för biologiSammanfattning : Sammanfattning Användningen av korttidsreglering av vattenkraftverk kommer troligen öka då det är kostnadseffektivt och efterfrågan av förnybar energi är hög. Jag undersökte effekten av habitatkomplexitet och flödesändringar på simaktiviteten hos harr (Thymallus thymallus) i experimentella vattenrännor. LÄS MER
4. 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
5. Filamentous fungus Paecilomyces variotii in feed for Rainbow trout (Oncorhynchus mykiss) : assessment of apparent digestibility and early signs of inflammation
Master-uppsats, SLU/Dept. of Animal Nutrition and ManagementSammanfattning : Aquaculture production has been increasing rapidly over the last few decades and therefore the amount of feed needed for the increasing production is also on the rise. Salmonids and other farmed carnivorous fish require high amount of protein in their diets, which is currently supplied mostly by fish meal or soy bean. LÄS MER