Louise Ladefoged Poulsen

Louise Ladefoged Poulsen

Associate Professor


  1. 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

  2. Published

    Characterization of Enterococcus faecalis isolated from the cloaca of 'fancy breeds' and confined chickens

    Jørgensen, S. L., Poulsen, Louise Ladefoged, Thorndahl, L., Ronaghinia, A. A., Bisgaard, M. & Christensen, Henrik, May 2017, In: Journal of Applied Microbiology. 122, 5, p. 1149-1158 10 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  3. Published

    Diversity and population overlap between avian and human Escherichia coli belonging to sequence type 95

    Jørgensen, S. L., Stegger, M., Kudirkiene, E., Lilje, B., Poulsen, Louise Ladefoged, Ronco, T., Dos Santos, T. P., Kiil, K., Bisgaard, M., Pedersen, K., Nolan, L. K., Price, L. B., Olsen, Rikke Heidemann, Andersen, P. S. & Christensen, Henrik, 2019, In: mSphere. 4, 1, 12 p., e00333-18.

    Research output: Contribution to journalJournal articleResearchpeer-review

  4. 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

  5. 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

  6. 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

  7. 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

  8. Published

    Enterococcus faecalis clones in poultry and in humans with urinary tract infections, Vietnam

    Poulsen, Louise Ladefoged, Bisgaard, M., Son, N. T., Trung, N. V., An, H. M. & Dalsgaard, Anders, 2012, In: Emerging Infectious Diseases (Online). 18, 7, p. 1096-1100 5 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  9. Published

    Characterization of Escherichia coli causing cellulitis in broilers

    Poulsen, Louise Ladefoged, Bisgaard, M., Jørgensen, S. L., Dideriksen, T., Pedersen, J. R. & Christensen, Henrik, 2018, In: Veterinary Microbiology. 225, p. 72-78 7 p.

    Research output: Contribution to journalJournal articleResearchpeer-review

  10. 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

  11. Published

    Enterococcus and Streptococcus spp. associated with chronic and self-medicated urinary tract infections in Vietnam

    Poulsen, Louise Ladefoged, Bisgaard, M., Son, N. T., Trung, N. V., An, H. M. & Dalsgaard, Anders, 2013, In: B M C Infectious Diseases. 12, 7 p., 320.

    Research output: Contribution to journalJournal articleResearchpeer-review

  12. Published

    Transmission of faecal zoonotic microorganisms between animals and humans in Northern Vietnam

    Poulsen, Louise Ladefoged, 2012, Department of Veterinary Disease Biology, University of Copenhagen. 152 p.

    Research output: Book/ReportPh.D. thesisResearch

  13. Published

    Prevalence of Potential Pathogenic and Antimicrobial Resistant Escherichia coli in Danish Broilers

    Poulsen, Louise Ladefoged, Bisgaard, M. & Christensen, Henrik, 2023, In: Antibiotics. 12, 2, 344.

    Research output: Contribution to journalJournal articleResearchpeer-review

  14. Published

    Molecular mechanisms of E. coli causing outbreaks of cellulitis in broilers

    Poulsen, Louise Ladefoged, Jørgensen, S. L., Bisgaard, M. & Christensen, Henrik, 2016. 1 p.

    Research output: Contribution to conferenceConference abstract for conferenceResearch

  15. Published
  16. Published
  17. Published

    Post-weaning diarrhea in pigs from a single Danish production herd was not associated with the pre-weaning fecal microbiota composition and diversity

    Rydal, Martin Peter, Gambino, Michela, Castro-Mejia, J. L., Poulsen, Louise Ladefoged, Jørgensen, Claus Bøttcher & Nielsen, Jens Peter, 2023, In: Frontiers in Microbiology. 14, 1108197.

    Research output: Contribution to journalJournal articleResearchpeer-review

  18. 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

  19. 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

  20. 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

  21. 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

  22. Published
  23. 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

  24. 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

  25. Published

    Effects of a novel, non-invasive pre-hatch application of probiotic for broilers on development of cecum microbiota and production performance

    Villumsen, Kasper Rømer, Sandvang, D., Vestergård, G., Olsen, M. S. R., Juul, J., Dencker, M., Kudsk, J. & Poulsen, Louise Ladefoged, 2023, In: Animal Microbiome. 5, 41.

    Research output: Contribution to journalJournal articleResearchpeer-review

ID: 4226021