Blar i Doctoral theses (VetMed) på tittel
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Prevalence, levels, risk factors and knowledge, attitudes and practices associated with mycotoxins in fish feeds and their effect in fish in Kenya
(PhD Thesis;2022:70, Doctoral thesis, 2022)Mycotoxins are low molecular weight chemical by-products of fungal metabolism. They are frequently detected in human foods and animal feeds in the tropics due to environmental conditions such as, warm and humid climate and ... -
Production of Atlantic salmon (Salmo salar) in closed confinement systems (CCS) : salmon lice, growth rates, mortality and fish welfare
(PhD Thesis;2019:48, Doctoral thesis, 2019)Farming of Atlantic salmon have been in rapid growth since the 1970's and is now an important industry in many countries around the North Atlantic as well as Chile. Since 2000, all countries with farming of Atlantic salmon ... -
Pulmonary micrometastasis and immunological pre-metastatic niche in dogs with osteosarcoma
(PhD Thesis;2023:49, Doctoral thesis, 2023)Cancer is currently ranked as a leading cause of death in humans and dogs, most often due to metastatic disease. The pre-metastatic niche (PMN) represents the metastasis-supporting microenvironmental changes that occur ... -
Quinolone resistant Escherichia coli in Norwegian livestock : a comparative genomics study
(PhD Thesis;2020:16, Doctoral thesis, 2020)The occurrence of antimicrobial resistance in Norwegian livestock is generally low. This is a consequence of good animal health and welfare, which reduces the need for antimicrobial use. Quinolones are important antimicrobial ... -
Reproductive potential and quality of SpermVital semen used for artificial insemination in cattle
(PhD thesis;2020:17, Doctoral thesis, 2020)Utfallet av kunstig sædoverføring (KS) avhenger av flere faktorer, blant annet sædkvalitet, metoden for sædprosessering og miljøet i kjønnsorganet hos det inseminerte hunndyret. Vellykket KS hos storfe krever også riktig ... -
Reproductive problems in cattle in Bosnia and Herzegovina
(Doctoral thesis, 2019)The bovine industry represents the most important and the fastest growing branch of agriculture in Bosnia and Herzegovina (BH). Thus, this industry has experienced significant changes over the past twenty years regarding ... -
Salmonid alphavirus infection in Atlantic salmon : viral properties and host responses to infection
(PhD Thesis;2015:2, Doctoral thesis, 2017-07-04)Pancreas disease (PD) is a contagious viral disease in salmonid aquaculture in Europe and North America. PD is caused by salmon pancreas disease virus also referred to as salmonid alphavirus (SAV), which belongs to the ... -
Something in the way you move : studies of movement asymmetry in young Standardbred trotters
(PhD Thesis;2021:22, Doctoral thesis, 2021)Lameness is a major welfare issue in athletic horses. Traditional lameness evaluation is based on subjectively assessing whether the horse shows asymmetrical movement, and this can be challenging. Sensor-based systems ... -
Streptococcus-like infections in farmed tilapia (Oreochromis niloticus) of Lake Kariba : characterization of pathogenic species and host responses
(PhD Thesis;2021:35, Doctoral thesis, 2021)Zambia is one of the largest aquaculture producers in sub-Saharan Africa, with tilapia production having increased exponentially during the last 20 years. Lake Kariba is the most active commercial fish farming site in the ... -
Studies of boar taint, with an emphasis on testicular function and development
(PhD Thesis;2015:43, Doctoral thesis, 2015)Boar taint is an odour reminiscent of sweat, urine or faeces, perceived as off-flavour when meat from entire male swine is heated. The compunds that cause boar taint are androstenone and skatole/indole. Androstenone is ... -
Studies of mechanisms of virulence of viral hemorrhagic septicemia (VHS) : comparison between different genotypes of the virus
(PhD Thesis;2015:17, Doctoral thesis, 2017-07-04)Viral hemorrhagic septicemia virus (VHSV) has four major genotypes (I, II, III, and IV) with different sub-lineages (Ia-e and IVa-c). VHSV infects a wide-host-range with a preference for low-temperature environments. The ... -
Studies of oral vaccination against infectious pancreatic necrosis in Atlantic salmon : focus on antigen production, antigen kinetics, and immune responses
(PhD Thesis;2015:15, Doctoral thesis, 2017-07-04) -
Studies on the interbranchial lymphoid tissue in the gills of Atlantic salmon and common carp
(PhD Thesis;2017:17, Doctoral thesis, 2017)As wild-capture fisheries exceed sustainable levels, aquaculture is expected to increase its importance as a source of fish products for a growing world population. Vaccination is a major prophylactic measure in modern ... -
Symmetrical onychomadesis and hypothyroidism in the Gordon Setter and English Setter
(PhD Thesis;2015:58, Doctoral thesis, 2017-07-04)Symmetrical onychomadesis (SO), also called symmetrical lupoid onychodystrophy, is a severe claw disease frequently seen in the Gordon Setter (GS) and English Setter (ES). Affected dogs will initially show sudden onset of ... -
The cellular prion protein and the inflammatory response
(PhD Thesis;2017:81, Doctoral thesis, 2017)The cellular prion protein (PrPC) is known for its pivotal role in the development of prion diseases, such as Creutzfeldt-Jakob disease in humans and scrapie in small ruminants. In these diseases, PrPC is converted into a ... -
The impact of management on dairy calf welfare
(PhD Thesis;2015:106, Doctoral thesis, 2016-05-19)No universal definition of animal welfare exists. However, an animal allowed expression of natural, innate behaviours, showing good biological functioning and having a positive affective state is generally viewed as having ... -
The interplay between IPNV and host cell machinery : possible strategies for immune evasion
(PhD Thesis;2016:46, Doctoral thesis, 2016)The aquatic birnaviruses cause diseases in different aquatic species worldwide. Infectious pancreatic necrosis (IPN), caused by IPN virus (IPNV) in salmonids, has arguably been the most economically important disease caused ... -
The microevolution of Renibacterium salmoninarum
(PhD Thesis;2015:50, Doctoral thesis, 2017-07-13)Renibacterium salmoninarum is the causative agent of bacterial kidney disease (BKD), a chronic infection of cultured and wild salmonids, which can result in acute morbidity or mortality or be a slowly progressive disease ... -
The novel A/J Min/+ mouse as a model for colorectal cancer, and the effects of hemin on intestinal tumorigenesis
(PhD Thesis;2016:41, Doctoral thesis, 2016)Colorectal cancer (CRC) is one of the most common cancers worldwide. Most cases of CRC appear to be caused by somatic mutations, but a small number of cases are the result of germline mutations in the tumor-suppressor gene ... -
Tick-borne encephalitis virus : a One Health approach
(PhD thesis;2020:34, Doctoral thesis, 2020)Tick-borne encephalitis virus (TBEV) is a Flavivirus which is transmitted to humans and animals by tick bites, and in rare cases by consumption of unpasteurised milk and dairy products. The virus can cause the disease ...