Blar i Brage NMBU på forfatter "Tysnes, Kristoffer"
-
A New Protocol for Molecular Detection of Cyclospora cayetanensis as Contaminants of Berry Fruits
Temesgen, Tamirat Tefera; Tysnes, Kristoffer; Robertson, Lucy (Journal article; Peer reviewed, 2019)Cyclospora cayetanensis is a coccidian parasite that is associated with foodborne outbreaks of gastrointestinal illnesses. Raspberries have been implicated as a vehicle of infection in some of these outbreaks. Most of the ... -
A novel multiplex real-time PCR for the detection of Echinococcus multilocularis, Toxoplasma gondii, and Cyclospora cayetanensis on berries
Temesgen, Tamirat Tefera; Robertson, Lucy; Tysnes, Kristoffer (Journal article; Peer reviewed, 2019)Foodborne parasites (FBP) are of major public health importance and warrant appropriate detection and control strategies. Most of the FBP considered for risk-ranking by a panel of experts are potentially transmitted via ... -
An apple a day: an outbreak of cryptosporidiosis in Norway associated with self-pressed apple juice
Robertson, Lucy; Temesgen, Tamirat Tefera; Tysnes, Kristoffer; Eikås, JE (Journal article; Peer reviewed, 2019)In the autumn of 2018, an outbreak of cryptosporidiosis affected adult employees from the same company in Western Norway. The organism was Cryptosporidium parvum, GP60 subtype IIaA14G1R1. All those infected had drunk from ... -
Behandling av Toxocara canis og Echinococcus multilocularis hos norske hunder og risiko for utvikling av anthelmintikaresistens
Apeland, Silje; Hauger Delbekk, Mathilde; Østvang Gundersen, Caroline (Student paper, others, 2020)Den norske hundepopulasjonen kan være bærer av mange endoparasitter. I denne oppgaven er hovedfokuset på den mest vanlige spolormen i norske hunder, Toxocara canis, og bendelormen Echinococcus multilocularis, som enda ikke ... -
Comparative evaluation of UNEX-based DNA extraction for molecular detection of Cyclospora cayetanensis, Toxoplasma gondii, and Cryptosporidium parvum as contaminants of berries
Temesgen, Tamirat Tefera; Barlaam, Alessandra; Tysnes, Kristoffer; Robertson, Lucy (Peer reviewed; Journal article, 2020)The potential public health impact of foodborne parasites (FBP) transmitted via contaminated fresh produces indicates the necessity for robust and reliable laboratory methods for their detection and identification on this ... -
Detection and viability assessment of foodborne parasites of public health importance on berries
Temesgen, Tamirat Tefera (PhD Thesis;2021:11, Doctoral thesis, 2021)Foodborne parasites (FBP) are public health concern throughout the world causing significant effects on the health and wellbeing of people. Despite the tremendous impact of FBP, the relative attention paid to avert their ... -
Dirofilaria repens infection in a dog imported to Norway
Sævik, Bente Kristin; Jörundsson, Einar; Stachurska-Hagen, Teresa; Tysnes, Kristoffer; Brun-Hansen, Hege C; Wikström, Henriette C.; Robertson, Lucy J (Journal article; Peer reviewed, 2014) -
Forekomst av Borrelia burgdorferi sensu lato og Anaplasma phagocytophilum i Ixodes ricinus fra to områder i Viken fylke
Andreassen, Thea Henrikke; Havang, Ingvild; Ulsrud Myren, Inga Kristine (Student paper, others, 2021)Fra april til september 2020 ble det samlet inn flått av arten Ixodes ricinus fra to områder i Viken fylke; Vesterøy på Hvaler og Lundestad gård i Halden. Innsamling ble gjort en gang i måneden ved hjelp av standardisert ... -
Inactivation of parasite transmission stages: Efficacy of treatments on foods of non-animal origin
Gérard, Cédric; Franssen, Frits; La Carbona, Stephanie; Monteiro, Silivia; Cozma-Petruţ, Anamaria; Utaaker, Kjersti Selstad; Režek Jambrak, Anet; Rowan, Neil; Rodríguez-Lazaro, David; Nasser, Abidelfatah; Tysnes, Kristoffer; Robertson, Lucy (Journal article; Peer reviewed, 2019)Background: Among 24 foodborne parasites ranked by FAO/WHO, 15 are associated with food of non-animal origin (FoNAO). Control of these hazards is essential for food safety. Scope and approach: Control measures to ... -
Infeksjonstidspunkt for Fasciola hepatica hjå lam i utvalde sauebesetningar på Sørvestlandet
Blekenberg, Tor Olav; Laugaland, Karianna; Nedrebø Johannessen, Julie (Student paper, others, 2020)I dette prosjektet er det blitt tatt avføringsprøvar og blodprøvar frå sau og lam i 12 utvalde besetningar på Sørvestlandet. Blodprøvar tatt frå sauer (n=120) i mai og frålam i mai (n=240), juni, juli og august (n=120) er ... -
Occurrence of faecal endoparasites in reindeer (Rangifer tarandus) in two grazing areas in northern Norway
Idland, Lene; Juul, Amalie Moen; Solevåg, Ellen Karin; Tysnes, Kristoffer; Robertson, Lucy; Utaaker, Kjersti Selstad (Peer reviewed; Journal article, 2021) -
Occurrence of Giardia, Cryptosporidium, and Entamoeba in wild rhesus macaques (Macaca mulatta) living in urban and semi-rural North-West India
Debenham, John; Tysnes, Kristoffer; Robertson, Lucy; Khunger, Sandhya (Journal article; Peer reviewed, 2017) -
Parasite detection in food: Current status and future needs for validation
Chalmers, Rachel M.; Robertson, Lucy; Dorny, Pierre; Jordan, Suzanne; Kärssin, Age; Katzer, Frank; La Carbona, Stéphanie; Lalle, Marco; Lassen, Brian; Mladineo, Ivona; Rozycki, Miroslaw; Bilska-Zajac, Ewa; Schares, Gereon; Mayer-Scholl, Anne; Trevisan, Chiara; Tysnes, Kristoffer; Vasilev, Sasa; Klotz, Christian (Peer reviewed; Journal article, 2020)Background: Many parasites (protozoa and helminths) can be transmitted through food and lead to infections with high morbidity, as well as disease outbreaks. Although the importance of foodborne parasites (FBP) is ... -
Pre- and post-race intestinal microbiota in long-distance sled dogs and associations with performance
Tysnes, Kristoffer; Angell, Inga Leena; Fjellanger, Iselin; Larsen, Sigrid Drageseth; Søfteland, Silje Rebekka; Robertson, Lucy; Skancke, Ellen; Rudi, Knut (Peer reviewed; Journal article, 2020)Although our understanding of the role of the gut microbiota in different diseases is improving, our knowledge regarding how the gut microbiota affects functioning in healthy individuals is still limited. Here, we hypothesize ... -
Removal of Parasite Transmission Stages from Berries UsingWashing Procedures Suitable for Consumers
Temesgen, Tamirat Tefera; Robertson, Lucy; Stigum, Vetle Malmer; Tysnes, Kristoffer (Journal article; Peer reviewed, 2021) -
Viability of Cryptosporidium parvum oocysts in experimentally contaminated parsley and strawberries when subjected to different freezing regimes
Holbø, Ane Elen (Master thesis, 2017)Cryptosporidium spp. are parasites causing gastroenteritis. They are associated with waterborne outbreaks and childhood diarrhea in developing countries. Cryptosporidiosis is normally a self-limiting infection, but it can ...