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norskArtikler, rapporter og annet (Norges fiskerihøgskole)
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Quality parameters and storage stability of the Norwegian red sea cucumber (Parastichopus tremulus)
(Journal article; Tidsskriftartikkel; Peer reviewed, 2025-01-03)Quality parameters and storage stability were evaluated through biochemical, textural, and microbial analyses of the Norwegian red sea cucumber Parastichopus tremulus at two different storage temperatures (0 °C and 4 °C) over 17 days. During storage, the pH decreased from 7 to 6.3, the texture became softer decreasing from 47.3 to 0.3 N, while K-value increased from 4 to 52 %, microbial counts ... -
Differential regulation of magnesium transporters Slc41, Cnnm and Trpm6-7 in the kidney of salmonids may represent evolutionary adaptations to high salinity environments
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-11-29)Magnesium is important for enzymatic reactions and physiological functions, and its intracellular concentration is tightly regulated. Atlantic salmon has the ability to handle large changes in environmental Mg<sup>2+</sup> concentration when migrating between freshwater and seawater habitats, making it a relevant model to investigate Mg<sup>2+</sup> homeostasis. Parr-smolt transformation (PST) is ... -
Quantifying the Detection Sensitivity and Precision of qPCR and ddPCR Mechanisms for eDNA Samples
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-12-11)Environmental DNA (eDNA) detection employing quantitative PCR (qPCR) and droplet digital PCR (ddPCR) offers a non-invasive and efficient approach for monitoring aquatic organisms. Accurate and sensitive quantification of eDNA is crucial for tracking rare and invasive species and understanding the biodiversity abundance and distribution of aquatic organisms. This study compares the sensitivity and ... -
Biopolymer encapsulation for improved probiotic delivery: Advancements and challenges
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-11-15)Probiotics, known for their health benefits as living microorganisms, hold significant importance across various fields, including agriculture, aquaculture, nutraceuticals, and pharmaceuticals. Optimal delivery and storage of probiotic cells are essential to maximize their effectiveness. Biopolymers, derived from living sources, plants, animals, and microbes, offer a natural solution to enhance ... -
Social acceptance for salmon produced in new production systems - Report on willingness to pay for new production systems and social acceptance of salmon farming in general
(Research report; Forskningsrapport, 2024)This report summarizes the findings from a price experiment survey on the willingness to pay (WTP) for salmon produced using new production systems in salmon farming in three countries (Norway, Canada and Scotland). This includes land-based, floating closed containment cages and offshore production systems. The results revealed that consumers preferred salmon produced using conventional (traditional) ... -
Ghost fishing by self-baited lost, abandoned or discarded pots in snow crab (Chionoecetes opilio) fishery
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-11-14)Unintended continuous capture or so-called “ghost fishing”, by abandoned, lost, or otherwise discarded fishing gear produces negative environmental impact on marine life and nature conservation. The risk of ghost fishing in pots could be high due to potential self-baiting resulting from mortality of ghost fished catch. Self-baiting may increase ghost fishing by further attracting marine organisms, ... -
The rural development trilemma
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-11-30)Rural public policies are important and contested in many countries. Politicians and administrations often have high ambitions for both spatial policies (e.g. maintaining demography, local work, businesses etc.) technological development (modernisation, increased productivity etc.), while production tend to be limited by markets (as in the case of agricultural productions) or resources (as in e.g. ... -
The challenge of harvesting common sole (Solea solea) in highly selective trawl fisheries
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-10-28)Common sole (Solea solea) is an economically important species in several European trawl fisheries, yet little is known about the size selective properties of codends used in bottom trawl fisheries targeting sole. This study presents results from a sea trial conducted in the inner Danish waters where common sole is fished in a seasonal trawl fishery using a 90 mm diamond mesh codend with a mandatory ... -
Farmed blue mussels (Mytilus edulis)—a nutrient-dense resource retaining nutritional value through processing
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-11-01)This study investigated how farmed blue mussels (Mytilus edulis) can optimize human nutrient intake. A particular focus was on assessing nutrient preservation during steaming and freeze-drying, processes that could deplete nutrients. The study compared the content of essential amino acids and fatty acids in steamed and freeze-dried blue mussels to the nutritional needs of humans and farmed Atlantic ... -
Går Norges Fiskarlags rolle som politisk instrument mot slutten?Innledning til sak 6, Nord Fiskarlags årsmøte 2024
(Conference object; Konferansebidrag, 2024-10) -
SeaMark deliverable D7.3: Initial assessment of marked potential
(Research report; Forskningsrapport, 2024)The main objective of the SeaMark project is to demonstrate how to scale up innovative seaweed cultivation and processing into price-competitive product applications making the entire supply chain attractive for commercial investments. This report is the third outcome from SeaMark Work Package 7 (WP7) – Go-To-Market (GTM) strategies for products, and it builds a foundation for the contribution ... -
The 2024 Outline of Fungi and fungus-like taxa
(Research report; Forskningsrapport, 2024)With the simultaneous growth in interest from the mycological community to discover fungal species and classify them, there is also an important need to assemble all taxonomic information onto common platforms. Fungal classification is facing a rapidly evolving landscape and organizing genera into an appropriate taxonomic hierarchy is central to better structure a unified classification scheme and ... -
Climatic events and disease occurrence in intensive Litopenaeus vannamei shrimp farming in the Mekong area of Vietnam
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-03-26)As recurrent disease outbreaks impart economic adversity across the global shrimp farming sector in general, and in Asia in particular, clarifying determinants of outbreak susceptibility carries significance for sustainability in economic growth and social and environmental prospects. This study employs logistic regression to assess the probability of disease occurrence in intensive white leg shrimp ... -
The Core of the Matter—Importance of Identification Method and Biological Replication for Benthic Marine Monitoring
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-11-14)Benthic macrofauna are important and widely used biological indicators of marine ecosystems as they have limited mobility and therefore integrate the effects of local environmental stressors over time. Recently, environmental DNA (eDNA) analysis has provided a potentially more resource-efficient approach for benthic biomonitoring than traditional morphology-based methods. Several studies have ... -
Reproductive biology of lumpfish (Cyclopterus lumpus): a key to successful selective breeding
(Research report; Forskningsrapport, 2022)A detailed description of lumpfish reproductive biology has been described in terms of gonadal development using histological analysis and physiology using sex steroid development. This knowledge of basic reproductive biology of lumpfish has adopted by our industry partners in their breeding activities in their facilities. Our results demonstrated that spawning of lumpfish can be shifted using ... -
On the origin of bird's nest fungi: Phylogenomic analyses of fungi in the Nidulariaceae (Agaricales, Basidiomycota)
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-01-07)Nidulariaceae, also known as bird’s nest fungi, is an understudied group of mushroom-forming fungi. The common name is derived from their nest-like morphology. Bird’s nest fungi are ubiquitous wood decomposers or saprobes on dung. Recent studies showed that species in the Nidulariaceae form a monophyletic group with five sub-clades. However, phylogenetic relationships among genera and placement ... -
Bioprospecting of inhibitors of EPEC virulence from metabolites of marine actinobacteria from the Arctic Sea
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-08-30)A considerable number of antibacterial agents are derived from bacterial metabolites. Similarly, numerous known compounds that impede bacterial virulence stem from bacterial metabolites. Enteropathogenic Escherichia coli (EPEC) is a notable human pathogen causing intestinal infections, particularly affecting infant mortality in developing regions. These infections are characterized by microvilli ... -
Efficient and sustainable: innovative pot design for a Mediterranean small-scale fishery
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-06-28)Pots are traditional fishing gear type largely employed in Mediterranean Small Scale Fisheries (SSFs). Their often higher species selectivity and catch quality compared to other gear types such as passive set nets or trawls are appealing characteristics for reducing the impact on benthic communities and diversifying fishing effort in the region. Despite this, in some SSFs, pots are still rarely used ... -
High-Resolution Longitudinal eDNA Metabarcoding and Morphological Tracking of Planktonic Threats to Salmon Aquaculture
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-09-30)Salmonid aquaculture, a major component of the Northern European, North American, and Chilean coastal economies, is under threat from challenges to gill health, many of which originate from plankton communities. A first step toward mitigating losses is to characterize the biological drivers of poor gill health. Numerous planktonic taxa have been implicated, including toxic and siliceous microalgae, ... -
Effects of oxygen levels and temperature on growth and physiology of pikeperch juveniles cultured in a recirculating aquaculture system
(Journal article; Tidsskriftartikkel; Peer reviewed, 2024-10-02)This study aimed to understand how environmental factors, specifically water temperature and oxygen saturation, affect the growth performance and physiology of pikeperch (Sander lucioperca) juveniles in recirculating aquaculture systems (RASs). Given the importance of optimising growth conditions in aquaculture to maximise efficiency, it aims to assess whether different combinations of oxygen ...
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