Ken Steen Pedersen

Ken Steen Pedersen

Associate Professor


Publication year:
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  1. 2024
  2. Published

    Prevention of umbilical outpouchings and mortality in pigs: Meloxicam, tying, cutting, and chlorhexidine versus amoxicillin or no treatment? A clinical field trial

    Hansen, Marie-Louise Elisabeth L, Larsen, Inge, Jensen, T. B., Kristensen, C. S. & Pedersen, Ken Steen, 2024, In: Porcine Health Management. 10, 10 p., 10.

    Research output: Contribution to journal › Journal article › Research › peer-review

  3. Published

    The cotton swab method: an accurate and less invasive way to assess fecal consistency in weaned pigs

    Eriksen, E. Ø., Sejersen, M. F. & Pedersen, Ken Steen, 2024, In: BMC Veterinary Research. 20, 10 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  4. Published

    Umbilical outpouchings in Danish piglets and weaners: prevalence and clinical characteristics - a cross-sectional study at herd level

    Hansen, Marie-Louise Elisabeth L, Jensen, T. B., Kristensen, C. S., Larsen, Inge & Pedersen, Ken Steen, 2024, In: Porcine Health Management. 10, 8 p., 3.

    Research output: Contribution to journal › Journal article › Research › peer-review

  5. 2023
  6. Published

    SKIN ULCERATIONS IN DANISH NURSERY PIGS

    Barington, Kristiane, Pankoke, K., Hartmann, Katrine Top, Hansen, Mette Sif, Jensen, Henrik Elvang, Blirup-Plum, Sophie Amalie, Jørgensen, B. M., Nielsen, Jens Peter, Eriksen, E. Ø., Kudirkiene, E., Olsen, John Elmerdahl & Pedersen, Ken Steen, 30 Aug 2023.

    Research output: Contribution to conference › Conference abstract for conference › Communication

  7. Published

    An observational field study of porcine post-weaning diarrhea: clinical and microbiological findings, and fecal pH-measurements as a potential diagnostic tool

    Eriksen, E. Ø., Kudirkiene, E., Barington, Kristiane, Goecke, Nicole Bakkegård, Blirup-Plum, Sophie Amalie, Nielsen, Jens Peter, Olsen, John Elmerdahl, Jensen, Henrik Elvang, Pankoke, K., Larsen, Lars, Liu, G. & Pedersen, Ken Steen, 2023, In: Porcine Health Management. 9, 33.

    Research output: Contribution to journal › Journal article › Research › peer-review

  8. Published

    Bacterial topography of the upper and lower respiratory tract in pigs

    Pirolo, Mattia, Espinosa-Gongora, C., Alberdi, Antton, Eisenhofer Philipona, Raphael A, Soverini, M., Eriksen, E. Ø., Pedersen, Ken Steen & Guardabassi, Luca, 2023, In: BMC Animal Microbiome. 5, 13 p., 5.

    Research output: Contribution to journal › Journal article › Research › peer-review

  9. Published

    Comparing video examinations with physical clinical examinations using finishing pigs with umbilical outpouchings as a model

    Birch, Julie Knippel Melsted & Pedersen, Ken Steen, 2023, In: Acta Veterinaria Scandinavica. 65, 26.

    Research output: Contribution to journal › Journal article › Research › peer-review

  10. Published

    Cystitis: significant associations between pathology, histology, and quantitative bacteriology in sows, a cross-sectional study

    Tolstrup, L. K., Leifsson, Páll S., Guardabassi, Luca, Nielsen, Jens Peter & Pedersen, Ken Steen, 2023, In: Porcine Health Management. 9, 41.

    Research output: Contribution to journal › Journal article › Research › peer-review

  11. Published

    Easy and reliable assessment of the prevalence of porcine post-weaning diarrhoea

    Eriksen, E. Ø., Nielsen, Jens Peter, Schmidt, Marianne Viuf Agerlin, Christensen, A. E. & Pedersen, Ken Steen, 2023, In: Preventive Veterinary Medicine. 220, 11 p., 106041.

    Research output: Contribution to journal › Journal article › Research › peer-review

  12. Published

    Gastro-intestinal lesions are not relatable to diarrhoea or specific pathogens in post-weaning diarrhoea (PWD) in pigs

    Blirup-Plum, Sophie Amalie, Jensen, Henrik Elvang, Nielsen, Søren Saxmose, Pankoke, K., Hansen, Mette Sif, Pedersen, Ken Steen, Eriksen, E. Ø., Nielsen, Jens Peter, Olsen, John Elmerdahl, Kudirkiene, E., Larsen, Lars, Goecke, Nicole Bakkegård & Barington, Kristiane, 2023, In: Acta Veterinaria Scandinavica. 65, p. 1-18 18 p., 30.

    Research output: Contribution to journal › Journal article › Research › peer-review

  13. Published

    Lesions and pathogens found in pigs that died during the nursery period in five Danish farms

    Barington, Kristiane, Eriksen, E. Ø., Kudirkiene, E., Pankoke, K., Hartmann, Katrine Top, Hansen, Mette Sif, Jensen, Henrik Elvang, Blirup-Plum, Sophie Amalie, Jørgensen, B. M., Nielsen, Jens Peter, Olsen, John Elmerdahl, Goecke, Nicole Bakkegård, Larsen, Lars & Pedersen, Ken Steen, 2023, In: Porcine Health Management. 9, 26.

    Research output: Contribution to journal › Journal article › Research › peer-review

  14. Published

    Neomycin resistance in clinical Escherichia coli from Danish weaner pigs is associated with recent neomycin use and presence of F4 or F18 fimbriaes

    Subramani, P., Pirolo, Mattia, Haugegaard, S., Skarbye, Alice Puk, Conrady, Beate, Pedersen, Ken Steen, Guardabassi, Luca & Damborg, Peter Panduro, 2023, In: Preventive Veterinary Medicine. 212, p. 105852

    Research output: Contribution to journal › Journal article › Research › peer-review

  15. 2022
  16. Published

    Evidensbaserede anbefalinger til forebyggelse af fravænningsdiarré

    Eriksen, E. Ø., Pedersen, Ken Steen, Larsen, Inge & Nielsen, Jens Peter, Apr 2022, Københavns Universitet. 28 p.

    Research output: Book/Report › Report › Research

  17. Published

    Efficacy of neomycin dosing regimens for treating enterotoxigenic Escherichia coli-related post-weaning diarrhoea in a Danish nursery pig herd not using medicinal zinc oxide

    Morsing, Malene Kjelin, Larsen, Inge, Pedersen, Ken Steen, Weber, N. R. & Nielsen, Jens Peter, 2022, In: Porcine Health Management. 8, 8 p., 46.

    Research output: Contribution to journal › Journal article › Research › peer-review

  18. Published

    Evaluation of the diagnostic performance of a commercially available point-of-care test for post weaning diarrhoea in pigs-a pilot study

    Jakobsen, Nadia, Goecke, Nicole Bakkegård & Pedersen, Ken Steen, 2022, In: Porcine Health Management. 8, 49.

    Research output: Contribution to journal › Journal article › Research › peer-review

  19. Published

    Evidence-Based Recommendations for Herd Health Management of Porcine Post-Weaning Diarrhea

    Eriksen, E. Ø., Pedersen, Ken Steen, Larsen, Inge & Nielsen, Jens Peter, 2022, In: Animals. 12, 14, 1737.

    Research output: Contribution to journal › Journal article › Research › peer-review

  20. Published

    INCIDENCE OF EAR-WOUNDS THE FIRST 14 DAYS AFTER INSERTION INTO TWO DANISH NURSERY UNITS

    Eriksen, E. Ø., Schmidt, Marianne Viuf Agerlin, Christensen, A. E. & Pedersen, Ken Steen, 2022.

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

  21. Published

    Recommendations on diagnostic investigations of post-weaning diarrhea outbreaks: assessing the prevalence of diarrhea and determining microbiological etiologies

    Eriksen, E. Ø., Nielsen, Jens Peter, Kudirkiene, E., Olsen, John Elmerdahl, Goecke, Nicole Bakkegård, Larsen, Lars, Liu, G., Schmidt, Marianne Viuf Agerlin, Christensen, A. E. & Pedersen, Ken Steen, 2022.

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

  22. 2021
  23. Published

    Post-weaning diarrhea in pigs weaned without medicinal zinc: risk factors, pathogen dynamics, and association to growth rate

    Eriksen, E. Ø., Kudirkiene, E., Christensen, A. E., Schmidt, Marianne Viuf Agerlin, Weber, N. R., Nødtvedt, A., Nielsen, Jens Peter, Hartmann, Katrine Top, Skade, L., Larsen, Lars, Pankoke, K., Olsen, John Elmerdahl, Jensen, Henrik Elvang & Pedersen, Ken Steen, 2021, In: Porcine Health Management. 7, 54.

    Research output: Contribution to journal › Journal article › Research › peer-review

  24. Published

    Post-weaning diarrhea outbreaks in Danish herds not using medicinal zinc oxide

    Eriksen, E. Ø., Kudirkiene, E., Nielsen, Jens Peter, Olsen, John Elmerdahl & Pedersen, Ken Steen, 2021.

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

  25. Published

    The effect of colistin treatment on the selection of colistin-resistant Escherichia coli in weaner pigs

    Ahmed, S., Hansen, C., Dahlkilde, A. L., Herrero-Fresno, A., Pedersen, Ken Steen, Nielsen, Jens Peter & Olsen, John Elmerdahl, 2021, In: Antibiotics. 10, 4, 465.

    Research output: Contribution to journal › Journal article › Research › peer-review

  26. 2020
  27. Published

    Post-weaning diarrhea in herds not using medicinal zinc

    Eriksen, E. Ø., Nielsen, Jens Peter & Pedersen, Ken Steen, 29 Jan 2020.

    Research output: Contribution to conference › Conference abstract for conference › Research

  28. Objective pathogen monitoring in nursery and finisher pigs by monthly laboratory diagnostic testing

    Goecke, Nicole Bakkegård, Kobberø, M., Kusk, T. K., Hjulsager, C. K., Pedersen, Ken Steen, Kristensen, C. S. & Larsen, Lars, 2020, In: Porcine Health Management. 6, p. 14 23.

    Research output: Contribution to journal › Journal article › Research › peer-review

  29. 2018

  30. Diarrhoea in neonatal piglets: A case control study on microbiological findings

    Kongsted, H., Pedersen, K., Hjulsager, C. K., Larsen, Lars, Pedersen, Ken Steen, Jorsal, S. E. & Bækbo, P., 3 Sep 2018, In: Porcine Health Management. 4, 1, 17.

    Research output: Contribution to journal › Journal article › Research › peer-review

  31. Published

    Comparison of serum pools and oral fluid samples for detection of porcine circovirus type 2 by quantitative real-time PCR in finisher pigs

    Nielsen, G. B., Nielsen, Jens Peter, Haugegaard, J., Leth, S. C., Larsen, Lars, Kristensen, C. S., Pedersen, Ken Steen, Stege, Helle, Hjulsager, C. K. & Houe, Hans, 1 Feb 2018, In: Porcine Health Management. 4, 10 p., 2.

    Research output: Contribution to journal › Journal article › Research › peer-review

  32. Published

    A prospective cohort study of game-based learning by digital simulation of a pig farm to train agriculture students to reduce piglet mortality

    Klit, K. J. M., Pedersen, Ken Steen & Stege, Helle, 2018, In: Porcine Health Management. 4, 1, 8 p., 28.

    Research output: Contribution to journal › Journal article › Research › peer-review

  33. 2017
  34. Published

    Batch medication of intestinal infections in nursery pigs: A randomised clinical trial on the efficacy of treatment strategy, type of antibiotic and bacterial load on average daily weight gain

    Weber, N. R., Pedersen, Ken Steen, Hansen, C. F., Denwood, Matt, Hjulsager, C. K. & Nielsen, Jens Peter, 1 Feb 2017, In: Preventive Veterinary Medicine. 137, Part A, p. 69-76 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  35. Published

    Association of resistance to ampicillin and other antibiotic agents as evidence of co-selection in E. coli isolates from diarrheic nursery pigs

    Weber, N. R., Nielsen, Jens Peter & Pedersen, Ken Steen, 2017, 9th European Symposium of Porcine Health Management : Proceedings. p. 246 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review

  36. Published

    Association between isolation of enterotoxigenic E. coli and numbers of E. coli F18 genes in faeces in nursery pigs

    Weber, N. R., Nielsen, Jens Peter & Pedersen, Ken Steen, 2017, 9th European Symposium of Porcine Health Management: Proceedings. p. 103 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review

  37. Published

    Comparison of antimicrobial resistance in E. coli isolated from rectal and floor samples in pens with diarrhoeic nursery pigs in Denmark

    Weber, N. R., Nielsen, Jens Peter, Jorsal, S. E. L., Haugegaard, S., Denwood, Matt & Pedersen, Ken Steen, 2017, In: Preventive Veterinary Medicine. 147, p. 42-49 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  38. Published

    Comparison of bacterial culture and qPCR testing of rectal and pen floor samples as diagnostic approaches to detect enterotoxic Escherichia coli in nursery pigs

    Weber, N. R., Nielsen, Jens Peter, Hjulsager, C. K., Jorsal, S. E., Haugegaard, S., Hansen, C. F. & Pedersen, Ken Steen, 2017, In: Preventive Veterinary Medicine. 143, p. 61-67 8 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  39. Published

    Description of low and high pathogenic diarrheic outbreaks in nursery pigs

    Weber, N. R., Nielsen, Jens Peter & Pedersen, Ken Steen, 2017, 9th European Sumposium of Porcine Health Management: Proceedings. p. 243 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review

  40. Published

    Effect of treatment with doxycycline and tylosine on excretion of E. coli F18 in faecal pen floor samples

    Weber, N. R., Pedersen, Ken Steen & Nielsen, Jens Peter, 2017, 9th Eurropean Symposium of Porcine Health Management: Proceedings. 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review

  41. 2016
  42. Published

    Comparison of the antimicrobial consumption in weaning pigs in Danish sow herds with different vaccine purchase patterns during 2013

    Temtem, C., Kruse, Amanda Brinch, Nielsen, Liza Rosenbaum, Pedersen, Ken Steen & Alban, L., 1 Oct 2016, In: Porcine Health Management. 2, 12 p., 23.

    Research output: Contribution to journal › Journal article › Research › peer-review

  43. Published

    Clinical relevant antibiotic resistance in Escherichia coli from urinary tract infections in sows

    Leihardt, L. K. T., Pedersen, Ken Steen & Nielsen, Jens Peter, Jun 2016. 1 p.

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

  44. Published

    Diagnostic performance of bacteriological culture of urine samples from culled sows, using histopathologically demonstrated cystitis as gold standard

    Leihardt, L. K. T., Pedersen, Ken Steen, Leifsson, P. S. & Nielsen, Jens Peter, Jun 2016. 1 p.

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

  45. Published

    Effect of oral doxycycline and tylosine treatment on faecal Lawsonia intracellularis excretion

    Weber, N. R. & Pedersen, Ken Steen, Jun 2016. 1 p.

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

  46. Published

    Infection dynamics of intestinal pathogens in batches of non-medicated diarrheic nursery pigs

    Weber, N. R., Pedersen, Ken Steen & Nielsen, Jens Peter, Jun 2016. 1 p.

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

  47. Published

    Pen-level agreement of antimicrobial resistance from pooled faecal samples at pen level and diarrhoeic pigs

    Weber, N. R., Pedersen, Ken Steen & Nielsen, Jens Peter, Jun 2016. 1 p.

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

  48. Published

    Prevalence of virulence genes and haemolytic activity in Escherichia coli Associated with diarrhoea in grower pigs

    Weber, N. R., Pedersen, Ken Steen & Nielsen, Jens Peter, Jun 2016. 1 p.

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

  49. Published

    The impact of vaccination on the consumption of antimicrobials in Danish pig herds, 2013

    Temtem, C., Alban, L., Nielsen, Liza Rosenbaum, Pedersen, Ken Steen & Kruse, Amanda Brinch, Jun 2016. 1 p.

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

  50. Published

    Cab pooled pen floor samples be used for diagnosing Escherichia coli F18 positive diarrhoeic nursery pigs?

    Weber, N. R., Pedersen, Ken Steen & Nielsen, Jens Peter, 2016. 1 p.

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

  51. 2015
  52. Published

    Occurrence of diarrhoea and intestinal pathogens in non-medicated nursery pigs

    Weber, N. R., Nielsen, Jens Peter, Jakobsen, A. S., Pedersen, L., Hansen, C. F. & Pedersen, Ken Steen, 30 Sep 2015, In: Acta Veterinaria Scandinavica (Online). 57, 6 p., 64.

    Research output: Contribution to journal › Journal article › Research › peer-review

  53. 2014

  54. Gastric ulcers in nursery pigs.

    Pedersen, Ken Steen, Guedes, R. M. C., Angen, Ø., Ståhl, M., Hjulsager, C. K., Larsen, Lars, Nielsen, J. P., Bækbo, P. & Jensen, Tim Kåre, 2014.

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

  55. Published

    Herd diagnosis of low pathogen diarrhoea in growing pigs: a pilot study

    Pedersen, Ken Steen, Johansen, M., Angen, Ø., Jorsal, S. E. L., Nielsen, Jens Peter, Jensen, Tim Kåre, Guedes, R., Ståhl, M. & Bækbo, P., 2014, In: Irish Veterinary Journal (Online). 67, 8 p., 24.

    Research output: Contribution to journal › Journal article › Research › peer-review

  56. Published

    Pooling of porcine fecal samples for quantification of Lawsonia intracellularis by real-time polymerase chain reaction

    Pedersen, Ken Steen, Johansen, M., Jorsal, S. E. L., Nielsen, Jens Peter, Bækbo, P. & Angen, Ø., 2014, In: Journal of Veterinary Diagnostic Investigation. 26, 3, p. 342-345 4 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

  57. 2013
  58. Published

    Tryllereb kan bruges til at undersøge om grisene er syge

    Pedersen, Ken Steen, 4 Feb 2013

    Research output: Other contribution › Net publication - Internet publication › Communication

  59. Published

    Svin og forskning

    Pedersen, Ken Steen, 18 Jan 2013

    Research output: Other contribution › Net publication - Internet publication › Communication

  60. Published

    Crude dietary protein and particle size in feed is not associated to diarrhoea in Danish nursery pigs

    Pedersen, Ken Steen, Jakobsen, A. T., Pedersen, L. L., Angen, Ø., Hansen, C. F. & Nielsen, Jens Peter, 2013, Proceedings of the Joint Meeting of the 5th European Symposium of Porcine Health Management and the 50th Anniversary Meeting of the Pig Veterinary Society of Great Britain, Edinburgh, UK, 22nd - 24th May 2013. Pig Veterinary Society, p. 150 1 p.

    Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research

  61. Published

    Diagnostic performance of fecal quantitative real-time polymerase chain reaction for detection of Lawsonia intracellularis–associated proliferative enteropathy in nursery pigs

    Pedersen, Ken Steen, Stege, Helle, Jensen, Tim Kåre, Guedes, R., Ståhl, M., Nielsen, Jens Peter, Hjulsager, C. K., Larsen, L. E. & Angen, Ø., 2013, In: Journal of Veterinary Diagnostic Investigation. 25, 3, p. 336-340 5 p.

    Research output: Contribution to journal › Journal article › Research › peer-review

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