Ida Thøfner

Ida Thøfner

Associate Professor

Member of:


    1. Published

      Æg uden drab

      Sandøe, Peter & Thoefner, Ida , 1 Mar 2019, In: Weekendavisen - Ideer. p. 13 1 p.

      Research output: Contribution to journalComment/debateCommunication

    2. Published

      Æg uden kyllingedrab

      Sandøe, Peter & Thoefner, Ida , 2019, In: Æggehviden. 3, p. 22-23 2 p.

      Research output: Contribution to journalJournal articleCommunication

    3. Published

      E. coli-infektioner hos konsumægshøner: Forekomst, betydning og kontrol

      Thoefner, Ida , Wang, C., Pors, S. E. & Christensen, Jens Peter, Feb 2019, In: Dansk Erhvervsfjerkrae. 48, 2, p. 16-20

      Research output: Contribution to journalJournal articleResearch

    4. Published

      Risk factor identification of keel bone fractures in Danish laying hens

      Thoefner, Ida , Hougen, H. P., Villa, Chiara, Dahl, J. & Christensen, Jens Peter, 2022, Book of abstracts 2021 : The 26th World’s Poultry Congress . Tixier-Boichard, M. & Duclos, M. (eds.). 1 ed. France: French Branch of the World’s Poultry Science Association, Vol. 1. p. 552-552 1441

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

    5. Published

      Veterinærstuderendes oplevelse af besætningsbesøg som instrument til læring omkring dyrlægers roller i fjerkræproduktionen

      Thoefner, Ida , 2020, Improving University Science Teaching and Learning: Pedagogical Projects 2020. Christiansen, F. V. & Arias, A. A. (eds.). Copenhagen: University of Copenhagen, Vol. 15. p. 31-44 (Improving University Science Teaching and Learning - Pedagogical Projects, Vol. 15).

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearch

    6. Published

      Differences in susceptibility to experimental Enterococcus cecorum infections in broilers and adult broiler breeders

      Thoefner, Ida , Emdrup, J. H. & Christensen, Jens Peter, 2017.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

    7. Published
    8. Published

      The egg-laying process might be a contributing factor for the development of keel bone fractures in laying hens

      Thoefner, Ida , Shih, C., Villa, Chiara & Christensen, Jens Peter, 2023, XXIInd Congress of the World Veterinary Poultry Association: Book of Abstracts. Verona, Italy: World Veterinary Poultry Association, p. 228-228 1 p. S9-O2

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

    9. Published

      Effect of live attenuated Escherichia coli vaccination on experimentally induced salpingitis in layers

      Thoefner, Ida & Christensen, Jens Peter, 2018, MedVetPathogens 2018: 5th Prato Conference on Animal Bacterial Pathogens. Italy, p. 33 1 p.

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

    10. Published

      Investigations of the pathogenesis of Staphylococcus aureus and Enterococcus faecalis in an experimental footpad infection model in broiler breeders

      Thoefner, Ida , Olsen, Rikke Heidemann, Poulsen, Louise Ladefoged, Christensen, Henrik, Bisgaard, M. & Christensen, Jens Peter, Oct 2016, Vetpath 2016 conference abstracts. Prato, p. 5-5 1 p.

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

    11. Published

      Longitudinal Study on Causes of Mortality in Danish Broiler Breeders

      Thoefner, Ida , Poulsen, Louise Ladefoged, Bisgaard, M., Christensen, Henrik, Olsen, Rikke Heidemann & Christensen, Jens Peter, 2019, In: Avian Diseases. 63, 3, 400-410.

      Research output: Contribution to journalJournal articleResearchpeer-review

    12. Published

      Estimates on the significance of chronic E.coli infections of the reproductive tract in laying hens

      Thoefner, Ida & Christensen, Jens Peter, 2018, The XVth European Poultry Conference: Conference information and proceedings. Croatian branch of the World's Poultry Science Association, p. 181 1 p.

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

    13. Published

      Investigation of the effect of live attenuated Escherichia coli vaccination on experimentally induced salpingitis in layers

      Thoefner, Ida & Christensen, Jens Peter, 2018, The XVth European Poultry Conference: Conference information and proceedings. Croatian branch of the World's Poultry Science Association, p. 192 1 p.

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

    14. Published

      Experimental chronic E.coli oviduct infections in egg laying hens

      Thoefner, Ida & Christensen, Jens Peter, 2018, p. 45. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

    15. Published

      Recovery of probiotic bacteria from the intestinal tract of broilers after noninvasive pre-hatch application

      Thoefner, Ida , Sandvang, D., Aagaard, K. & Poulsen, Louise Ladefoged, 2021, In: Beneficial Microbes. 12, 5, p. 467 - 477 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    16. Published

      Antihistomonal effect of artemisinin and Artemisia annua extracts in experimentally infected chickens and turkeys

      Thoefner, Ida , Liebhart, D., Hess, M., Schou, T. W., Hess, C., Ivarsen, E., Fretté, X. C., Christensen, L. P., Grevsen, K., Engberg, R. M. & Christensen, Jens Peter, 6 Jul 2012. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

    17. Published

      Quantitative assessment of bile ducts in turkeys treated with artemisinin: A model for liver toxicity?

      Thoefner, Ida , Larsen, J. O., Nielsen, O. L., Liebhart, D., Hess, M., Schou, T. W., Hess, C., Ivarsen, E., Fretté, X. C., Christensen, L. P., Grevsen, K., Engberg, R. M. & Christensen, Jens Peter, 2013. 1 p.

      Research output: Contribution to conferencePosterResearchpeer-review

    18. Published

      Effects of artemisinin and Artemisia annua extracts on xenic bacteria isolated from clonal cultures of Histomonas meleagridis.

      Thoefner, Ida , Hess, C., Liebhart, D., Hess, M., Schou, T. W., Ivarsen, E., Fretté, X. C., Christensen, L. P., Grevsen, K., Engberg, R. M. & Christensen, Jens Peter, 2012.

      Research output: Contribution to conferencePosterResearch

    19. Published

      Effects of Sweet wormwood (Artemisia annua) on clinical histomonosis and coccidiosis using experimental poultry infections

      Thoefner, Ida , 2013, Department of Veterinary Disease Biology, Faculty of Health and Medical Sciences, University of Copenhagen. 129 p.

      Research output: Book/ReportPh.D. thesisResearch

    20. Published

      Protective effects of artemisinin and Artemisia annua extracts on clinical caecal coccidiosis in broiler chickens

      Thoefner, Ida , Pors, S. E., Schou, T. W., Thebo, P., Nielsen, O. L., Ivarsen, E., Fretté, X., Christensen, L. P., Grevsen, K., Engberg, R. M. & Christensen, Jens Peter, 2013, 18th World Veterinary Poultry Association Congress: Proceedings . p. 721-722 2 p.

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

    21. Published

      Infections with Gram positive cocci in broiler breeders: significance and prevalence

      Thoefner, Ida , Poulsen, Louise Ladefoged, Olsen, Rikke Heidemann, Christensen, Henrik, Bisgaard, M. & Christensen, Jens Peter, Jun 2016, 16th International Conference on Production Diseases in Farm Animals: Book of abstracts. Wageningen, Netherlands: Wageningen Academic Publishers, p. 141-141 1 p.

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

    22. Published

      Antihistomonal effects of artemisinin and Artemisia annua extracts in vitro could not be confirmed by in vivo experiments in turkeys and chickens

      Thoefner, Ida , Liebhart, D., Hess, M., Schou, T. W., Hess, C., Ivarsen, E., Fretté, X., Christensen, L. P., Grevsen, K., Engberg, R. G. & Christensen, Jens Peter, 2012, In: Avian Pathology. 41, 5, p. 487-496 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    23. Published

      Screening of Artemisia annua compounds against Histomonas meleagridis

      Thoefner, Ida , Liebhart, D., Hess, M., Schou, T. W. & Christensen, Jens Peter, 2011.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

    24. Published
    25. Published

      Toxicity of artemisinin in one-week-old turkey poults

      Thoefner, Ida , Larsen, J. O., Nielsen, O. L., Liebhart, D., Hess, M., Schou, T. W., Hess, C., Ivarsen, E., Fretté, X. C., Christensen, L. P., Grevsen, K., Engberg, R. M. & Christensen, Jens Peter, 2013, Continuous improvement of Turkey produktion and health: never-ending story: Proceedings of the 7th "Hafez" International Symposium on Turkey Production. Hafez, H. M. (ed.). Mensch und Buch Verlag, p. 218-225 8 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    26. Published

      Hepatic toxicity of artemisinin in turkeys

      Thoefner, Ida , Larsen, J. O., Nielsen, O. L., Liebhart, D., Hess, M., Schou, T. W., Hess, C., Ivarsen, E., Fretté, X. C., Christensen, L. P., Mogensen, J., Nielsen, K. F., Grevsen, K., Engberg, R. M. & Christensen, Jens Peter, 2013, 18th World Veterinary Poultry Association Congress: Proceedings. p. 723 1 p.

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

    27. Published

      Antihistomonal effect of artemisinin and Artemisia annua extracts in experimentally infected turkeys

      Thoefner, Ida , Liebhart, D., Hess, M., Schou, T. W., Hess, C., Ivarsen, E., Fretté, X. C., Christensen, L. P., Grevsen, K., Engberg, R. M. & Christensen, Jens Peter, 2012, 9th International Symposium on Turkey Diseases. Hafez, H. M. (ed.). Berlin: Mensch und Buch Verlag, p. 222-229 8 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    28. Published

      Pathological characterization of keel bone fractures in laying hens does not support external trauma as the underlying cause

      Thoefner, Ida , Hougen, H. P., Villa, Chiara, Lynnerup, Niels & Christensen, Jens Peter, 9 Mar 2020, In: PLoS ONE. 15, 3, 15 p., e0229735.

      Research output: Contribution to journalJournal articleResearchpeer-review

    29. Published

      Bacterial diseases in poultry

      Thoefner, Ida & Christensen, Jens Peter, 2021, Advancements and Technologies in Pig and Poultry Bacterial Disease Control. Academic Press, p. 199-227

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    30. Published

      Longitudinal study of mortality observed in four broiler breeder flocks

      Thoefner, Ida , Poulsen, Louise Ladefoged, Bisgaard, M., Christensen, Henrik, Olsen, Rikke Heidemann & Christensen, Jens Peter, Sep 2015, 19th World Veterinary Poultry Association Congress. Cape Town, p. 148-148 1 p.

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

    31. Published

      Beskytter E. coli autovacciner mod æggeleder- og bughindebetændelse under eksperimentelle forhold?

      Thoefner, Ida , Ronco, T., Christensen, Jens Peter, Pedersen, K. & Olsen, Rikke Heidemann, 2016, In: Dansk Erhvervsfjerkrae. 45, 11, p. 42-45

      Research output: Contribution to journalJournal articleResearch

    32. Published

      Keel bone fractures in Danish laying hens: Prevalence and risk factors

      Thoefner, Ida , Dahl, J. & Christensen, Jens Peter, 2021, In: PLoS ONE. 16, 8, 23 p., e0256105.

      Research output: Contribution to journalJournal articleResearchpeer-review

    33. Published

      Correlation between footpad lesions and systemic bacterial infections in broiler breeders

      Thoefner, Ida , Poulsen, Louise Ladefoged, Bisgaard, M., Christensen, Henrik, Olsen, Rikke Heidemann & Christensen, Jens Peter, 2019, In: Veterinary Research. 50, 1, 5 p., 38.

      Research output: Contribution to journalJournal articleResearchpeer-review

    34. Published

      Comparison and assessment of necropsy lesions in end-of-lay laying hens from different housing systems in Denmark

      Wang, C., Pors, S. E., Christensen, Jens Peter, Bojesen, Anders Miki & Thoefner, Ida , 2020, In: Poultry Science. 99, 1, p. 119-128

      Research output: Contribution to journalJournal articleResearchpeer-review

    35. Published

      Prevalence and aetiology of subclinical chronic infections in laying hens

      Wang, C., Pors, S. E., Christensen, Jens Peter & Thoefner, Ida , Nov 2016.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    36. Published

      Subclinical disease in Danish layers - prevalence and aetiology

      Wang, C., Pors, S. E., Christensen, Jens Peter & Thoefner, Ida , 2017.

      Research output: Contribution to conferenceConference abstract for conferenceResearchpeer-review

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