Blar i Doctoral theses (VetMed) på forfatter "Nødtvedt, Ane"
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The applicability of milking-time testing in automatic milking systems
Nørstebø, Håvard (PhD Thesis;2020:5, Doctoral thesis, 2020)Norsk mjølkeproduksjon forandrer seg i retning større produksjonsenheter, økende bruk av automatiske mjølkingssystemer (AMS) og reduserte økonomiske marginer. Til tross for at situasjonen har forbedret seg kraftig de siste ... -
Cephalosporin-resistant escherichia coli in the Norwegian broiler production pyramid : genetic characterization and determination of risk factors
Mo, Solveig Sølverød (PhD Thesis;2016:63, Doctoral thesis, 2016-11-24)Antimicrobial resistance is defined as one of our times’ main public health challenges. The prevalence of Escherichia coli displaying resistance against extended-spectrum cephalosporins, a class of antimicrobials that are ... -
Epidemiologic studies of bovine respiratory syncytial virus and bovine coronavirus in Norway
Toftaker, Ingrid (PhD Thesis;2019:32, Doctoral thesis, 2019)Bovine respiratory syncytial virus (BRSV) and bovine coronavirus (BCV) cause respiratory infection in cattle worldwide. In addition, BCV also causes diarrhoea in calves and contagious diarrhoea in adult cows, i.e. winter ... -
Factors affecting calf production in Norwegian suckler herds
Nelson, Sindre Thørn (PhD Thesis;2016:68, Doctoral thesis, 2016)The overall aim of this project was to determine factors affecting productivity in Norwegian suckler herds by concentrating on four objectives: 1) to evaluate the usefulness of an automatic activity monitoring system (AAMS) ... -
Gill infections, gill pathology and gill-related mortality in farmed Atlantic salmon
Østevik, Liv (PhD Thesis;2022:69, Doctoral thesis, 2022)Last year (2021) 54 million Atlantic salmon died at Norwegian food producing sea sites. This constitutes a loss of 15,5% of the fish that were transferred to sea. Gill diseases are among the health issues that causes ... -
Investigations on Cryptosporidium and Giardia in Tigray, Ethiopia from a One Health Perspective
Tesama, Tsegabirhan Kifleyohannes (PhD Thesis;2022:54, Doctoral thesis, 2022)Enteric protozoans Cryptosporidium spp. and Giardia duodenalis are among the leading causes of diarrhoea in children. These parasites have particular impact in lowand middle-income countries. In these countries, people ... -
Monitoring fish health : a vital part of salmon farming management
Persson, David Weman (PhD Thesis;2023:4, Doctoral thesis, 2023)Mortality represents a major challenge in the salmon farming industry. In Norway the mortality in the marine phase of the salmon production cycle has been 15-20% annually the recent years. This situation is not sustainable ...