Browsing Faculty of Biosciences (BioVit) by Title
Now showing items 1052-1071 of 1079
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Vernalization and photoperiodic regulation of flowering time and population genetic stucture of Norwegian populations of Arabidopsis thaliana
(PhD Thesis;2009:44, Doctoral thesis, 2009)Natural environmental conditions vary across seasons and therefore timing of flowering is a major determinant of plant reproductive success and a trait with a potentially high adaptive value. Plants have developed mechanisms ... -
Very-long-chain polyunsaturated fatty acids and their biological functions
(PhD Thesis;2023:83, Doctoral thesis, 2023)The overall aim of this thesis was to gain insight into the bioavailability of dietary very-long-chain polyunsaturated fatty acids (VLC-PUFAs) and their potential effects on skin and bone health. While well-known omega-3 ... -
Vespa velutina predation impacts on Apis mellifera colony dynamics and reserves
(Master thesis, 2020)The honeybees play key environmental and economical roles as they contribute to the biodiversity preservation and to food production, through pollination. Nevertheless, Apis mellifera foragers are currently threatened by ... -
Ville du latt flåtten sitte? Kunnskap og erfaring knyttet til flått.
(Master thesis, 2010-12-01)Sammendrag Bakgrunn: Media fremstiller flåtten som farlig, men forskning viser liten risiko for smitte knyttet til flåttbitt, spesielt om man tar forholdsregler. I Norge er det ikke publisert forskning på befolkningens ... -
Virus infection in seed potatoes used by farmers in the county of Vestfold, Norway.
(Master thesis, 2016)During the summer 2016, 3 potato cultivars at 15 different farms located in the county of Vestfold were tested for 6 different potato viruses. This is potato virus A (PVA), M (PVM), S (PVS), X (PVX), Y (PVY) and potato ... -
Visual evaluation of soil structure: farmers' evaluation and further applications
(Master thesis, 2014-11-03) -
Viticulture and ecosystem services : from myths to reality with Chilean vine-growers
(Master thesis, 2016)This thesis work was led in the context of the Wine, Climate Change and Biodiversity program, coordinated since 2008 by Chilean researchers in cooperation with the biggest wine-making firms of the country and aiming at ... -
Voksenvekt på søyer av rasen Norsk Kvit Sau
(Master thesis, 2017)Formålet med denne oppgaven var å undersøke hvilke data som fantes på voksenvekt for søyer av rasen Norsk Kvit Sau. Det ble sett på trendene de siste årene, utvikling av vekten, variasjon mellom aldersgrupper og tidspunkt ... -
Vurdering av målemetoder for estimering av tilvekst og kroppssammensetning hos kviger av rasen Norsk Rødt Fe
(Master thesis, 2012-08-08)Sammendrag Hvordan rekrutteringskviger vokser, i hastighet og sammensetning, har påvirkning på lengden av oppdrettsperioden og senere melkeytelse. Det er først og fremst levendevekten som avgjør når kviga blir kjønnsmoden ... -
Weed invasion in different species compositions with and without perennial ryegrass
(Master thesis, 2018)Though perennial ryegrass (Lolium perenne) is a desired species in roughage production because of its nutritive qualities, it is not very persistent and - when used in species mixtures - often disappears after the first ... -
Welfare of Finishing Pigs - Effect of Decreased Stocking Density on Animal Welfare and Production Variables
(Master thesis, 2022)Modern pig farms are developed to be as economical and as efficient as possible, which has led to intensive livestock production systems. In recent years, both consumers and politicians have shown an increased interest in ... -
The welfare of finishing pigs : effects of air quality, environmental enrichment, and management
(Master thesis, 2020)It is highly important and necessary to document finishing pigs’ welfare, as healthy and happy pigs, with the ability to express their natural behaviour, will give good quality products to the consumers. A welfare ... -
What keeps dry petfood together? Optimizing homogeneity, extrusion melt and dehydration for best physical quality of petfood.
(Master thesis, 2021)Extrusion is the most common method for producing dry pet food. This technology involves various operations such as mixing, heating, kneading, shearing, and shaping. Obtaining extremely homogenous mixes of the ingredients ... -
Wheat landraces : action-oriented data for Pays de la Loire organic farmers
(Master thesis, 2017-01-27)Cultivated biodiversity dramatically decreased along XXth century, what is especially true for tender wheat. In France farming systems, this disappearing is today manifested by inadequacy between certified varieties available ... -
When does the cat roam : temporal patterns of pet cat (Felis catus) roaming in Norway
(Master thesis, 2020)The domestic cats (felis catus) are popular pet animals, and their population is growing worldwide. As a natural predator, cats roaming outside raise conservation concerns. It is thereby important to know when and where ... -
Which is the future for ICTs-based services in agricultural extension in India?
(Master thesis, 2017)This report aims to deliver a state-of-the-art of new opportunities in information dissemination in rural India. Today, agricultural information transfer mechanisms are mostly generated by the public agricultural extension ... -
Which model of organic food chains could satisfy sustainability?
(Master thesis, 2016-04-05)During the second half of the last century, organic agriculture and consumption increased tremendously. Organic distribution developed first through alternative food networks connecting mostly farmers directly with consumers ... -
Whole genome sequencing with Oxford Nanopore and de novo genome assemblies of lipid-producing fungi in phylum Mucoromycota
(Master thesis, 2020)Phylum Mucoromycota consists of economically and ecologically important fungi, including industrial producers of lipids, enzymes and fermented foods and beverages, symbionts and decomposers of plants, as well as fungi ... -
Whole-farm modelling of greenhouse gas emissions from suckler cow beef production
(PhD Thesis;2019:93, Doctoral thesis, 2019)The main objective of this thesis was to develop a whole-farm model adapted to the various production systems and natural resources in Norway, estimate the level and variation in greenhouse gas (GHG) emission intensities ... -
Winter hardening of Norwegian perennial forage crops in a prolonged growing season
(PhD Thesis;2015:88, Doctoral thesis, 2017-07-06)Current climate change models predict that the temperature increase due to global warming will be greatest at higher northern latitudes. Most probably, temperature will increase more during autumn and winter than summer, ...