Ida Thøfner

Ida Thøfner

Associate Professor

Member of:

    ORCID: 0000-0003-2461-7024

    Publication year:
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    51 - 86 out of 86Page size: 50
    1. 2018
    2. 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 proceeding › Article in proceedings › Research › peer-review

    3. 2017
    4. 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 journal › Journal article › Research › peer-review

    5. 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 journal › Journal article › Research › peer-review

    6. 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 journal › Journal article › Research

    7. 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 conference › Conference abstract for conference › Research › peer-review

    8. 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 journal › Journal article › Research › peer-review

    9. 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 journal › Journal article › Research › peer-review

    10. Published

      Subclinical disease in Danish layers - prevalence and aetiology

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

      Research output: Contribution to conference › Conference abstract for conference › Research › peer-review

    11. 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 journal › Journal article › Research › peer-review

    12. 2016
    13. 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 journal › Journal article › Research › peer-review

    14. 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 conference › Conference abstract for conference › Research

    15. Published

      Investigation of the pathogenesis of Enterococcus cecorum after intravenous, intratracheal or oral experimental infections of broilers and broiler breeders.

      Thoefner, Ida & Christensen, Jens Peter, Oct 2016.

      Research output: Contribution to conference › Poster › Research › peer-review

    16. 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 proceeding › Conference abstract in proceedings › Research › peer-review

    17. 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 proceeding › Conference abstract in proceedings › Research › peer-review

    18. 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 proceeding › Article in proceedings › Research › peer-review

    19. 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 journal › Journal article › Research

    20. 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 journal › Journal article › Research › peer-review

    21. 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 journal › Journal article › Research › peer-review

    22. 2015
    23. 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 journal › Journal article › Research › peer-review

    24. 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 proceeding › Conference abstract in proceedings › Research › peer-review

    25. Published

      Systemic reactive amyloidosis - an age related problem of importance in broiler breeders

      Thoefner, Ida , Poulsen, Louise Ladefoged, Bisgaard, M., Christensen, Henrik, Olsen, Rikke Heidemann & Christensen, Jens Peter, Sep 2015.

      Research output: Contribution to conference › Poster › Research › peer-review

    26. 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 journal › Journal article › Research › peer-review

    27. 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 journal › Journal article › Research › peer-review

    28. 2013
    29. 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/Report › Ph.D. thesis › Research

    30. 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 proceeding › Conference abstract in proceedings › Research › peer-review

    31. 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 proceeding › Conference abstract in proceedings › Research › peer-review

    32. 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 conference › Poster › Research › peer-review

    33. 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 proceeding › Article in proceedings › Research

    34. 2012
    35. 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 conference › Conference abstract for conference › Research › peer-review

    36. 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 journal › Conference abstract in journal › Research › peer-review

    37. 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 proceeding › Article in proceedings › Research

    38. 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 journal › Journal article › Research › peer-review

    39. 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 conference › Poster › Research

    40. 2011
    41. 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 conference › Poster › Research

    42. 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 conference › Conference abstract for conference › Research › peer-review

    43. 2001
    44. 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 journal › Journal article › Research › peer-review

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    ID: 19802078