Ida Thøfner

Ida Thøfner

Associate Professor

Member of:


    1. Published

      Hydrostatic filtration enables large-scale production of outer membrane vesicles that effectively protect chickens against gallibacterium anatis

      Antenucci, F., Arak, H., Gao, J., Allahgadry, T., Thoefner, Ida & Bojesen, Anders Miki, 2020, In: Vaccines. 8, 1, 40.

      Research output: Contribution to journalJournal articleResearchpeer-review

    2. Published

      Endocrine disrupting compounds: effect of octylphenol on reproduction over three generations

      Bøgh, I. B., Christensen, P., Dantzer, V., Groot, M., Thoefner, Ida , Rasmussen, R. K., Schmidt, M. & Greve, T., 2001, In: Theriogenology. 55, 1, p. 131-50 20 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. Published

      Enterococcus cecorum: undersøgelser af smittemåde og sygdomsudvikling

      Christensen, Jens Peter, Emdrup, J. H. & Thoefner, Ida , May 2017, In: Dansk Erhvervsfjerkrae. 46, 5, p. 46-49 3 p.

      Research output: Contribution to journalJournal articleResearch

    4. Published

      Brystbensfrakturer hos konsumægshøns –status på de sidste års danske undersøgelser

      Christensen, Jens Peter, Hougen, H. P., Villa, Chiara, Dahl, J., Sejonaite, L. & Thoefner, Ida , Feb 2021, In: Dansk Erhvervsfjerkrae. 50, 2, p. 60-65 6 p.

      Research output: Contribution to journalJournal articleResearch

    5. Published

      Escherichia coli in industrial poultry production: aspects of transmission and disease development

      Christensen, Jens Peter, Pors, S. E., Papasolomontos, S., Poulsen, Louise Ladefoged, Thoefner, Ida , Olsen, Rikke Heidemann, Christensen, Henrik & Bisgaard, M., Jun 2016, 16th International Conference on Production Diseases in Farm Animals: Book of abstracts. Wageningen Academic Publishers, p. 140 1 p.

      Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

    6. Published

      Draft genome sequences of two commensal Enterococcus cecorum strains isolated from chickens in Belgium

      Dolka, B., Boyen, F., Butaye, P., Olsen, Rikke Heidemann, Thoefner, Ida & Christensen, Jens Peter, 24 Sep 2015, In: Genome Announcements. 3, 5, 2 p., e01108-15.

      Research output: Contribution to journalJournal articleResearchpeer-review

    7. Published

      Draft genome sequences of five clinical Enterococcus cecorum strains isolated from different poultry species in Poland

      Dolka, B., Olsen, Rikke Heidemann, Thoefner, Ida & Christensen, Jens Peter, 2015, In: Genome Announcements. 3, 5, 2 p., e01085-15.

      Research output: Contribution to journalJournal articleResearchpeer-review

    8. Published

      Histomorphological characterization of keel bone maturation and keel bone fractures in laying hens

      Gretarsson, P., Thoefner, Ida , Moe, R. O., Kittelsen, K. K. & Toftaker, I., 2023, XXIInd Congress of the World Veterinary Poultry Association: Book of Abstracts. Verona, Italy: World Veterinary Poultry Association, p. 229-229 1 p. S9-O3

      Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

    9. Published

      The membrane transporter PotE is required for virulence in avian pathogenic Escherichia coli (APEC)

      Guerra, Priscila Regina, Herrero-Fresno, A., Pors, S. E., Ahmed, S., Wang, D., Thoefner, Ida , Antenucci, F. & Olsen, John Elmerdahl, Mar 2018, In: Veterinary Microbiology. 216, p. 38-44 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. Published

      EVERI: Øget fokus på veterinær beskæftigelse i industri og forskning

      Hald, M. O., Gantzhorn, M. R., Thoefner, Ida , Fossing, C., Pedersen , B., Palshof, H. K. & Markussen, M., 2023, In: Dansk Veterinaertidsskrift. 2023, 1, p. 12-12 1 p.

      Research output: Contribution to journalComment/debateCommunication

    11. Published

      Interaction differences of the avian host-specific salmonella enterica serovar gallinarum, the host-generalist S. Typhimurium, and the cattle host-adapted S. Dublin with chicken primary macrophage

      Huang, K., Herrero-Fresno, A., Thoefner, Ida , Skov, Søren & Olsen, John Elmerdahl, 2019, In: Infection and Immunity. 87, 12, e00552-19.

      Research output: Contribution to journalJournal articleResearchpeer-review

    12. Published

      Antibacterial and antiprotozoal effect of Artemisia annua extracts

      Ivarsen, E., Fretté, X. C., Engberg, R. M., Thoefner, Ida , Christensen, Jens Peter, Grevsen, K., Schou, T. W., Liebhart, D., Hess, M. & Christensen, L. P., 2012, In: Planta Medica. 78, 11, 1 p., PI272.

      Research output: Contribution to journalConference abstract in journalResearchpeer-review

    13. Published

      Antibacterial and antiparasitic effects of extracts from the aerial parts of Artemisia annua and identification of possible bioactive compounds

      Ivarsen, E., Fretté, X. C., Christensen, K. B., Engberg, R. G., Thoefner, Ida , Liebhart, D., Grevsen, K. & Christensen, L. P., 2011. 1 p.

      Research output: Contribution to conferencePosterResearch

    14. Published

      Keel bone fractures in broiler breeders: is palpation a reliale diagnostic method?

      Kittelsen, K. K., Toftaker, I., Tahamtani, F., Moe, R. O., Thoefner, Ida & Vasdal, G., 2023, XXIInd Congress of the World Veterinary Poultry Association: Book of Abstracts. Verona, Italy: World Veterinary Poultry Association, p. 227-227 1 p. S9-O1

      Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

    15. Published

      Keel bone fractures in broiler breeders: is palpation a reliable diagnostic method?

      Kittelsen, K. E., Toftaker, I., Tahamtani, F., Moe, R. O., Thoefner, Ida & Vasdal, G., 2023, In: Avian Pathology. 1, p. 78-83 15 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    16. Published

      A walk through the broiler breeder life: how do footpad dermatitis and gait scores develop from rearing to slaughter?

      Kittelsen, K. E., Vasdal, G., Thoefner, Ida & Tahamtani, F., 2024, In: Avian Pathology. 53, 3, p. 164-173 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    17. Published

      Brug af mobilt røntgenapparat til at bestemme forekomsten af brystbensfrakturer hos produktionshøner

      Knorr Jensen, S., Christensen, Jens Peter & Thoefner, Ida , 2023, In: Dansk Erhvervsfjerkrae. 52, 1, p. 38-40 3 p.

      Research output: Contribution to journalJournal articleResearch

    18. Published

      Dramatic increase in slaughter condemnations due to Escherichia coli ST23 and ST101 within the Danish broiler production

      Kromann, Sofie, Baig, S., Olsen, Rikke Heidemann, Edslev, S. M., Thoefner, Ida , Bojesen, Anders Miki, Jensen, Henrik Elvang & Stegger, M., 2023, In: Veterinary Microbiology. 280, 109696.

      Research output: Contribution to journalJournal articleResearchpeer-review

    19. Published

      Treatment with high-dose antidepressants severely exacerbates the pathological outcome of experimental Escherichia coli infections in poultry

      Kromann, Sofie, Kudirkiene, E., Li, L., Thoefner, Ida , Daldorph, E., Christensen, Jens Peter, Meng, H. & Olsen, Rikke Heidemann, 2017, In: PLoS ONE. 12, 10, 15 p., e0185914.

      Research output: Contribution to journalJournal articleResearchpeer-review

    20. Published

      A SEVERE OUTBREAK OF COLIBACILLOSIS IN BROILERS

      Kromann, Sofie, Baig, S. J., Olsen, Rikke Heidemann, Edslev, S. M., Thoefner, Ida , Bojesen, Anders Miki, Jensen, Henrik Elvang & Stegger, M., 29 Aug 2023.

      Research output: Contribution to conferenceConference abstract for conferenceCommunication

    21. Published

      Establishment and application of an aerogenous model of avian colibacillosis

      Kromann, Sofie, Olsen, Rikke Heidemann, Bojesen, Anders Miki, Thoefner, Ida & Jensen, Henrik Elvang, 2023.

      Research output: Contribution to conferenceConference abstract for conferenceCommunication

    22. Published
    23. Published

      Development of an aerogenous Escherichia coli infection model in adult broiler breeders

      Kromann, Sofie, Olsen, Rikke Heidemann, Bojesen, Anders Miki, Jensen, Henrik Elvang & Thoefner, Ida , 2021, In: Scientific Reports. 11, 15 p., 19556.

      Research output: Contribution to journalJournal articleResearchpeer-review

    24. Published
    25. Published

      Longitudinal study on background lesions in broiler breeder flocks and their progeny, and genomic characterisation of Escherichia coli

      Kromann, Sofie, Baig, S., Stegger, M., Olsen, Rikke Heidemann, Bojesen, Anders Miki, Jensen, Henrik Elvang & Thoefner, Ida , 2022, In: Veterinary Research. 53, 52.

      Research output: Contribution to journalJournal articleResearchpeer-review

    26. Published

      Evaluation of the efficacy of an autogenous Escherichia coli vaccine in broiler breeders

      Li, L., Thoefner, Ida , Christensen, Jens Peter, Ronco, T., Pedersen, K. & Olsen, Rikke Heidemann, Jun 2017, In: Avian pathology : journal of the W.V.P.A. 46, 3, p. 300-308 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    27. Published
    28. Published

      ANTIMICROBIAL USE AT HERD LEVEL IN THE DANISH BROILER SECTOR

      Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 4 Sep 2023.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

    29. Published
    30. Published

      Welfare-related causes of mortality identified in a longitudinal study in Danish commercial layers

      Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023, p. 82.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

    31. Published

      ANTIMICROBIAL USE AT HERD LEVEL IN THE DANISH BROILER SECTOR

      Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 4 Sep 2023.

      Research output: Contribution to conferencePosterResearchpeer-review

    32. Published
    33. Published

      Hvad dør danske konsumægshøner af?

      Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023.

      Research output: Contribution to conferencePosterResearchpeer-review

    34. Published

      CAUSES OF MORTALITY IN DANISH LAYING HENS IN NON-CAGE HOUSING SYSTEMS

      Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 4 Sep 2023.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

    35. Published

      Danish egg producers’ knowledge, practices, attitudes and perceptions of laying hen mortality

      Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

    36. Published

      Causes of mortality in Danish laying hens in non-cage housing systems

      Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023, XXIInd Congress of the World Veterinary Poultry Association: Book of Abstracts. Verona, Italy: World Veterinary Poultry Association, p. 253-253 1 p. s12-07

      Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

    37. Published

      Kan vi få mere ud af databaser på fjerkræområdet?

      Lund, Vibe Pedersen, Nielsen, Liza Rosenbaum, Thoefner, Ida & Christensen, Jens Peter, 2021, In: Dansk Erhvervsfjerkrae. 2021, Juni, p. 14-15 2 p.

      Research output: Contribution to journalJournal articleCommunication

    38. Published

      Infectious potential of human derived uropathogenic Escherichia coli UTI86 in the reproductive tract of laying hens

      Mortensen, S., Johansen, A. E., Thoefner, Ida , Christensen, Jens Peter, Pors, S. E., Fresno, A. H., Møller-Jensen, J. & Olsen, John Elmerdahl, 2019, In: Veterinary Microbiology. 239, 108445.

      Research output: Contribution to journalJournal articleResearchpeer-review

    39. Published

      Research Note: The effect of a probiotic E. faecium 669 mitigating Salmonella Enteritidis colonization of broiler chickens by improved gut integrity

      Olsen, M. S. R., Thoefner, Ida , Sandvang, D. & Poulsen, Louise Ladefoged, 2022, In: Poultry Science. 101, 10, 102029.

      Research output: Contribution to journalJournal articleResearchpeer-review

    40. Published

      Impact of egg disinfection of hatching eggs on the eggshell microbiome and bacterial load

      Olsen, Rikke Heidemann, Kudirkiene, E., Thoefner, Ida , Pors, S., Karlskov-Mortensen, Peter, Li, L., Papasolomontos, S., Angastiniotou, C. & Christensen, Jens Peter, Nov 2017, In: Poultry Science. 96, 11, p. 3901-3911

      Research output: Contribution to journalJournal articleResearchpeer-review

    41. Published

      Experimental induced avian E. coli salpingitis: significant impact of strain and host factors on the clinical and pathological outcome

      Olsen, Rikke Heidemann, Thoefner, Ida , Pors, S. E., Pires dos Santos, T. M. S. & Christensen, Jens Peter, 2016, In: Veterinary Microbiology. 188, p. 59-66 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    42. Published

      Draft genome sequences of three Escherichia coli strains with different In Vivo pathogenicities in an avian (Ascending) infection model of the oviduct

      Olsen, Rikke Heidemann, Thoefner, Ida , Pors, S. E., Christensen, Henrik, Bisgaard, M. & Christensen, Jens Peter, 2015, In: Genome Announcements. 3, 3, 2 p., e00399-15 .

      Research output: Contribution to journalJournal articleResearchpeer-review

    43. Published

      Vaccination with outer membrane vesicles and the fimbrial protein FlfA offers improved protection against lesions following challenge with Gallibacterium anatis

      Persson, G., Pors, S. E., Thoefner, Ida & Bojesen, Anders Miki, 1 Apr 2018, In: Veterinary Microbiology. 217, p. 104-111 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    44. Published

      Outer membrane vesicles of Gallibacterium anatis induce protective immunity in egg-laying hens

      Pors, S. E., Pedersen, I. J., Skjerning, R. B., Thoefner, Ida , Persson, G. & Bojesen, Anders Miki, 15 Nov 2016, In: Veterinary Microbiology. 195, p. 123-127 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    45. Published

      Anvendelse af probiotika før klækning

      Poulsen, Louise Ladefoged, Sandvang, D., Dencker, M., Juul, J. & Thoefner, Ida , 2022, In: Dansk Erhvervsfjerkrae. 51, 3, p. 62-65 4 p.

      Research output: Contribution to journalJournal articleResearch

    46. Published

      Staphylococcus agnetis, a potential pathogen in broiler breeders

      Poulsen, Louise Ladefoged, Thoefner, Ida , Bisgaard, M., Olsen, Rikke Heidemann, Christensen, Jens Peter & Christensen, Henrik, 2017, In: Veterinary Microbiology. 212, p. 1-6 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    47. Published

      Longitudinal study of transmission of Escherichia coli from broiler breeders to broilers

      Poulsen, Louise Ladefoged, Thoefner, Ida , Bisgaard, M., Christensen, Jens Peter, Olsen, Rikke Heidemann & Christensen, Henrik, 2017, In: Veterinary Microbiology. 207, p. 13-18

      Research output: Contribution to journalJournal articleResearchpeer-review

    48. Published

      Whole genome sequence comparison of avian pathogenic Escherichia coli from acute and chronic salpingitis of egg laying hens

      Poulsen, Louise Ladefoged, Kudirkiene, E., Jørgensen, S. L., Djordjevic, S. P., Cummins, M. L., Christensen, Jens Peter, Christensen, Henrik, Bisgaard, M. & Thoefner, Ida , 2020, In: BMC Veterinary Research. 16, 1, 9 p., 148.

      Research output: Contribution to journalJournal articleResearchpeer-review

    49. Published

      Draft Genome Sequences of Two Avian Pathogenic Escherichia coli Strains of Clinical Importance, E44 and E51

      Ronco, T., Stegger, M., Andersen, P. S., Pedersen, K., Li, L., Thoefner, Ida & Olsen, Rikke Heidemann, 2016, In: Genome Announcements. 4, 4, 2 p., e00768-16.

      Research output: Contribution to journalJournal articleResearchpeer-review

    50. Published

      Et nyt dyrevelfærdsprodukt: Æg uden kyllingedrab

      Sandøe, Peter & Thoefner, Ida , 2019, In: Dansk Erhvervsfjerkrae. 48, 3, p. 28-29 2 p.

      Research output: Contribution to journalJournal articleCommunication

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    ID: 19802078