Eystein Skjerve

Eystein Skjerve
Norwegian University of Life Sciences (NMBU) · Food safety and infection biology

PhD, DVM

About

339
Publications
81,135
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9,172
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Introduction
Eystein Skjerve currently works at the Veterinary Faculty at the Norwegian University of Life Sciences (NMBU). Eystein does research in Public Health and Veterinary Medicine. Current main projects include two international projects, the CAPAZOMANINTECO and FORTECASE projects - both described on ResearchGate. Te main national project is a project studying the microbiome of domestic animals and comparing them to their owners. This is called HUNT One Health, also presented on ResearchGate.
Skills and Expertise
Additional affiliations
June 2001 - present
Norwegian School of Veterinary Science
Position
  • Professor (Full)

Publications

Publications (339)
Article
Bacitracin is a hexapeptide antibiotic, with a substituted thiazolidine nucleus, produced by some strains of B. licheniformis. It is mainly active against Grampositive bacteria, although many differences in susceptibility exist among the bacterial species.Alpharma A.S. Norway has produced bacitracin for use in human medicine since 1954. Until 1998,...
Article
Full-text available
Background: There are no reports on the number of fatalities or causes of death in the Norwegian and Swedish harness racehorses. Objectives: The incidence rates (IRs), risk factors, and postmortem findings in horses that died or were euthanized associated with racing between 2014 and 2019 were investigated. Animals: Thirty-eight Standardbreds...
Article
Full-text available
The Norwegian Scientific Committee for Food Safety was asked by the Norwegian Food Safety Authority (Mattilsynet) to evaluate the probability of introduction of rabies to Norway through: The importation of young dogs and cats under the present regulations; The importation of young dogs and cats if the regulations are changed to allow importation of...
Article
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Background: Tuberculosis, mainly caused by Mycobacterium tuberculosis (Mtb), is an ancient human disease that gravely affects millions of people annually. We wanted to explore the genetic diversity and lineage-specific association of Mtb with drug resistance among pulmonary tuberculosis patients. Methods: Sputum samples were collected from pulmonar...
Article
Campylobacter continues to be the number one cause of bacterial gastroenteritis in Europe. Poultry, and especially broiler chickens, is considered an important reservoir for Campylobacter spp. Poultry producers prioritize to identify and reduce the number of Campylobacter contaminated chicken flocks by tightening biosecurity and mitigation actions...
Article
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Background Specific studies on the epidemiology of necrotic enteritis in turkeys are absent in the literature. Necrotic enteritis is common in turkeys and a leading cause of use of therapeutic antibiotics. This study describes the incidence of necrotic enteritis in turkey farms, and the association between incidence and bird age, season, faecal ooc...
Article
This preliminary risk assessment is a result of self-tasking by the Panel on Biological Hazards, Norwegian Scientific Committee for Food Safety. The suggestion was offered to the Norwegian Food Safety Authority (Mattilsynet), which responded and requested a risk profile, or a preliminary risk assessment, to evaluate whether a full risk assessment w...
Article
coli is part of the normal gastrointestinal microbial flora of humans and animals. E. coli bacteria causing enteric/diarrhoeal disease are categorized into different groups based on their virulence properties and pathogenic features in humans. Enterohaemorrhagic E. coli (EHEC) are E. coli strains that cause bloody diarrhoea and haemolytic uraemic s...
Article
Pasteurisation of all consumer milk became mandatory in Norway in 1953, and this has been an important component of the protective measures that have reduced the incidence of milk and food borne diseases. In 2004, a complete recast of the hygiene legislation addressing both food hygiene and veterinary aspects was adopted by the European Union, the...
Article
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Pancreas disease (PD) caused by salmonid alphavirus subtype 3 (SAV3) is a serious disease with large economic impact on farmed Norwegian Atlantic salmon production despite years of use of oil-adjuvanted vaccines against PD (OAVs). In this study, two commercially available PD vaccines, a DNA vaccine (DNAV) and an OAV, were compared in an experimenta...
Article
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After publication of our article [1] we were notified that due to an error in the excel formula used to summarise the control population, the ID-registry data from the Swedish county Gävleborg was not included in the calculations. When including Gävleborg, as intended, the numbers in the adjusted Swedish control population change slightly. It does...
Article
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Background Tuberculosis is a preventable and treatable infectious disease, but the continuing emergence and spread of multidrug-resistant tuberculosis is threatening the global TB control efforts. This study aimed to describe the frequency and pattern of drug resistance-conferring mutations of MTB isolates detected from PTB patients in Tigray Regio...
Article
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Our aim was to investigate the associations between management factors, compliance with current legislation, and herd-level calf mortality. In a national calf welfare audit, veterinary inspectors from the Norwegian Food Safety Authority assessed compliance with current legislation on calf welfare (n = 912 herds). Nine criteria were assessed and rat...
Article
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Tuberculosis (TB) is a chronic infectious disease of livestock with serious economic and public health impact in Ethiopia. The disease is reported from cattle, small ruminants and dromedary camels in the country. However, there is no organized summary report on the magnitude and distribution pattern of TB in small ruminants and dromedary camels, un...
Article
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Background Tuberculosis (TB) is among the top 10 causes of mortality and the first killer among infectious diseases worldwide. One of the factors fuelling the TB epidemic is the global rise of multidrug resistant TB (MDR-TB). The aim of this study was to determine the magnitude and factors associated with MDR-TB in the Tigray Region, Ethiopia. Meth...
Article
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Objective To analyse the effect of treatment method and other risk factors on survival in dogs with cranial cruciate ligament disease (CCLD). Methods A historical cohort study of 333 dogs presenting with CCLD at two University Hospitals (2011-2016) was performed. Signalment, history, treatment and follow-up details were retrieved from medical reco...
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Background: The production of milk and dairy products and their placement on the market represent a constant profit for the farmers/producers in Bosnia and Herzegovina (BH). The profitable operation of the dairy farms is influenced by the reproductive performance of the lactating animals. This study assessed individual animal reproductive characte...
Article
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Members of the Pestivirus genus (family Flaviviridae) cause severe and economically important diseases in livestock. Serological studies have revealed the presence of pestiviruses in different cervid species, including wild and semi-domesticated Eurasian tundra reindeer. In this retrospective study, serum samples collected between 2006 and 2008 fro...
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Background A retrospective case–control study was conducted to estimate breed predisposition for common orthopaedic conditions in 12 popular dog breeds in Norway and Sweden. Orthopaedic conditions investigated were elbow dysplasia (ED); cranial cruciate ligament disease (CCLD); medial patellar luxation (MPL); and fractures of the radius and ulna. D...
Technical Report
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In March 2016, the EU Commission presented a proposal for new regulations on fertilising material. The regulation includes product rules for a wide range of organic and inorganic products. Microbial biostimulants is one of the categories of products that are included. Biostimulants, in the draft EU regulation, are defined as fertilising materials t...
Technical Report
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The Norwegian Scientific Commitee for Food Safety (VKM) appointed a working group of experts to answer a request from the Norwegian Food Safety Authority regarding health risk assessment of Lactobacillus reuteri Protectis® in a food supplement intended for use by infants and young children. The mandate of this health risk assessment was not to eval...
Technical Report
Full-text available
The Norwegian Food Safety Authority (NFSA) and Norwegian Environmental Authority (NEA) asked the Norwegian Scientific Committee for Food Safety (Vitenskapskomiteen for mattrygghet, VKM) for an opinion on factors associated with the introduction of Chronic Wasting Disease (CWD) to Norway. VKM appointed a working group consisting of two members of th...
Technical Report
Potentially toxic metals (PTM), along with PTM-resistant bacteria and PTM-resistance genes may be introduced to soil and water through sewage systems, direct excretion, land application of biosolids (organic matter recycled from sewage, especially for use in agriculture) or animal manures as fertilisers, and irrigation with wastewater or treated ef...
Technical Report
The Norwegian Scientific Committee for Food Safety (Vitenskapskomiteen for mattrygghet, VKM) has, at the request of the Norwegian Food Safety Authority (Mattilsynet; NFSA), assessed the risk of "other substances" in food supplements sold in Norway. These risk assessments will provide NFSA with the scientific basis for regulation of the addition of...
Article
Full-text available
Background Multi-drug resistant bacteria are seen increasingly and there are gaps in our understanding of the complexity of antimicrobial resistance, partially due to a lack of appropriate statistical tools. This hampers efficient treatment, precludes determining appropriate intervention points and renders prevention very difficult. Methods We re-...
Article
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In poultry flocks, flock weight uniformity is often defined as the percent individuals within 10% of the mean body weight (BW) and the variability of this uniformity can be expressed as the CV of BW. Flock weight uniformity is a standardized and objective measured, and could potentially be used as a welfare indicator; however, little is known about...
Preprint
Full-text available
The objective of this study was to investigate causal associations between cattle farms’ management practices and reproductive disorders (abortion, stillbirth, retention of placenta, metritis). Besides, direct causal associations between farms’ management and reproductive infections (Chlamydia abortus, Coxiella burnetii, and Neospora caninum), repr...
Article
Full-text available
The aim of this study was to describe slaughter hygiene in a selection of ovine and bovine abattoirs in Europe, as assessed by microbiological testing and Hygiene Performance Rating (HPR) audits, and to compare the results obtained by these different approaches. Two types of microbiological testing were used: standardized study testing, which was s...
Technical Report
The Norwegian Scientific Committee for Food Safety (Vitenskapskomiteen for mattrygghet, VKM) has, at the request of the Norwegian Food Safety Authority (Mattilsynet; NFSA), assessed the risk of "other substances" in food supplements sold in Norway. These risk assessments will provide NFSA with the scientific basis for regulation of the addition of...
Technical Report
Full-text available
The Norwegian Scientific Committee for Food Safety (Vitenskapskomiteen for mattrygghet, VKM) has, at the request of the Norwegian Food Safety Authority (Mattilsynet; NFSA), assessed the risk of "other substances" in food supplements sold in Norway. These risk assessments will provide NFSA with the scientific basis for regulation of the addition of...
Article
Full-text available
Potentially toxic metals (PTM), along with PTM-resistant bacteria and PTM-resistance genes, may be introduced into soil and water through sewage systems, direct excretion, land application of biosolids (organic matter recycled from sewage, especially for use in agriculture) or animal manures as fertilizers, and irrigation with wastewater or treated...
Article
Reproductive disorders in dairy cattle have been noted to be common in urban and peri-urban dairy production system in Ethiopia. The available reports on the causes of these disorders, however, are not conclusive. A case-control study was designed to investigate the possible association of major reproductive disorders in dairy cattle with exposure...
Article
Full-text available
This work was conducted to estimate the seroprevalence, to identify potential factors that influence seroprevalence of bovine viral diarrhea virus (BVDV), and to investigate the association between BVDV serostatus and occurrence of reproductive disorders in dairy cattle in three milksheds in Ethiopia. A total of 1379 serum samples were obtained fro...
Article
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Introduction: Anthrax is caused by the spore-forming, Gram-positive bacterium Bacillus anthracis. The aim of this study was to predict the potential distribution of B. anthracis in Tanzania and produce epidemiological evidence for the management of anthrax outbreaks in the country. Methods: The Maxent algorithm was used to predict areas at risk of...
Article
Per- and polyfluoroalkylated substances (PFASs) are classified as persistent organic pollutants (POPs), and known to be protein bound. The aim of the present study was to determine the levels of 17 different PFASs before and one year after bariatric surgery, and to assess whether weight loss and changed serum protein concentrations could be influen...
Article
Bovine tuberculosis (BTB) is a disease of animal and public health importance in developing countries. In rural Ethiopia, there is potential for a shift in the epidemiologic of this disease driven by transformation of dairy industry. This includes gradual change from the traditional mixed‐crop livestock husbandry practice to a semi‐intensification...
Article
Full-text available
Bacillus anthracis is an aerobic, Gram-positive and spore-forming bacterium, which causes anthrax in herbivores. Humans get infected after coming into contact with infected animals' products. An unmatched case–control study was conducted to identify the importance of demographic, biological and/or behavioural factors associated with human cutaneous...
Data
Control measures of anthrax outbreaks in the hotspot areas of northern Tanzania. One of the recommended control measures of anthrax outbreak is safe disposal of carcasses. Either burying or burning of carcasses depending on the physical condition (fresh or dry) of the carcass can help to attain this intervention. Burying can only be considered when...
Data
Transmission routes for human cutaneous anthrax outbreaks in the hotspot areas of northern Tanzania. The cutaneous anthrax outbreaks are exacerbated by the increased contact with the infected animals and animal by-products, poor farming practices and mismanaged movement of animals in the disease hotspot areas of northern Tanzania. Moreover, the hum...
Data
Interactions between livestock-wildlife and humans as a facilitating factor for continued transmission of B. anthracis in the hotspot areas of northern Tanzania. In our study, we have demonstrated that there was a close temporal relationship between the occurrence of anthrax outbreaks in animals (livestock and wildlife) and in humans. This might ha...
Data
Regular health education as a tool for controlling anthrax outbreaks in the hotspot areas of northern Tanzania. Furthermore, health education is paramount for control of disease spread during anthrax outbreaks. Important and targeted messages are aired to the affected communities through public address, leaflets, and use of the most respected local...
Data
Distribution of anthrax cases per village in the hotspot districts of northern Tanzania
Technical Report
Full-text available
An assessment of L. monocytogenes in ready-to-eat Foods and the need of dietary advice for vulnerable consumer Groups in Norway. The report is in Norwegian but has a summary in English
Article
Our investigation focused on foodborne outbreaks related to meat and meat products, published in peer-reviewed journals in the period 1980-2015. Most of the outbreaks, investigated in this study, were caused by Escherichia coli and Salmonella, causing 33 and 21 outbreaks, respectively, mostly in Europe and the United States. In the E. coli outbreak...
Technical Report
Full-text available
That is the conclusion of the Norwegian Scientific Committee for Food and Environment (VKM) after having assessed the possible implications for biodiversity and animal-, and human health should the wild boar population establish in Norway. From 1000 to 40,000 animals Wild boar is considered an alien organism in Norway and assessed to have a potent...