Ida Thøfner
Associate Professor
Veterinary Clinical Microbiology
Stigbøjlen 4, 1870 Frederiksberg C
Member of:
- 2018
- 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
- 2017
- 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. 3901-3911Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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
- 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
- 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. 13-18Research output: Contribution to journal › Journal article › Research › peer-review
- 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
- 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
- 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
- 2016
- 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
- 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
- Published
- 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
- 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
- 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
- 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. 42-45Research output: Contribution to journal › Journal article › Research
- 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
- 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
- 2015
- 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
- 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
- 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
- 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
- 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
- 2013
- 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
- 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
- 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
- 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
- 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
- 2012
- 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
- 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
- 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
- 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
- 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
- 2011
- 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
- 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
- 2001
- 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
ID: 19802078
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Hepatic toxicity of artemisinin in turkeys
Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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1672
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Protective effects of artemisinin and Artemisia annua extracts on clinical caecal coccidiosis in broiler chickens
Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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Effects of artemisinin and Artemisia annua extracts on xenic bacteria isolated from clonal cultures of Histomonas meleagridis.
Research output: Contribution to conference › Poster › Research
Published