Jens Peter Christensen

Jens Peter Christensen

Professor with special responsibilities, Professor MSO

Member of:

    ORCID: 0000-0002-6430-9010

    Publication year:
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    1 - 100 out of 273Page size: 100
    1. 2023
    2. Published

      ANTIMICROBIAL USE AT HERD LEVEL IN THE DANISH BROILER SECTOR

      Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 4 Sep 2023.

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

    3. Published

      ANTIMICROBIAL USE AT HERD LEVEL IN THE DANISH BROILER SECTOR

      Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 4 Sep 2023.

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

    4. Published

      CAUSES OF MORTALITY IN DANISH LAYING HENS IN NON-CAGE HOUSING SYSTEMS

      Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 4 Sep 2023.

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

    5. Published

      Brug af mobilt røntgenapparat til at bestemme forekomsten af brystbensfrakturer hos produktionshøner

      Knorr Jensen, S., Christensen, Jens Peter & Thoefner, Ida , 2023, In: Dansk Erhvervsfjerkrae. 52, 1, p. 38-40 3 p.

      Research output: Contribution to journal › Journal article › Research

    6. Published

      Causes of mortality in Danish laying hens in non-cage housing systems

      Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023, XXIInd Congress of the World Veterinary Poultry Association: Book of Abstracts. Verona, Italy: World Veterinary Poultry Association, p. 253-253 1 p. s12-07

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

    7. Published

      Danish egg producers’ knowledge, practices, attitudes and perceptions of laying hen mortality

      Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023.

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

    8. Published

      Genomic traits of Aeromonas veronii isolated from slaughtered Danish broilers

      Erickson, Vera Irene, Alfifi, Ahmed Eassa H, Hounmanou, Yaovi Mahuton Gildas, Sana, M. J., Christensen, Jens Peter & Dalsgaard, Anders, 2023, In: Veterinary Microbiology. 283, 109772.

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

    9. Published

      Hvad dør danske konsumægshøner af?

      Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023.

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

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

    11. Published

      The global transcriptomes of Salmonella enterica serovars Gallinarum, Dublin and Enteritidis in the avian host

      Fei, Xiao, Schroll, C., Huang, K., Christensen, Jens Peter, Christensen, Henrik, Lemire, S., Kilstrup, M., Thomsen, Line Elnif, Jelsbak, L. & Olsen, John Elmerdahl, 2023, In: Microbial Pathogenesis. 182, 106236.

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

    12. Published

      Welfare-related causes of mortality identified in a longitudinal study in Danish commercial layers

      Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023, p. 82.

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

    13. 2022
    14. Published

      Quantification of antimicrobial usage in Danish poultry production in 2015-2019

      Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 5 May 2022.

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

    15. Published

      Characterization of Escherichia coli and other bacteria isolated from condemned broilers at a Danish abattoir

      Alfifi, Ahmed Eassa H, Christensen, Jens Peter, Hounmanou, Yaovi Mahuton Gildas, Sandberg, M. & Dalsgaard, Anders, 2022, In: Frontiers in Microbiology. 13, 13 p., 1020586.

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

    16. Published

      Nyt fra Dansk Veterinær Konsortium: Antibiotikaforbrug og dødelighed i fjerkræbesætninger – forbedret sundhedsstyring med registerdata og patologi?

      Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2022, In: Dansk Veterinærtidsskrift. 2022, 11

      Research output: Contribution to journal › Journal article › Research

    17. Published

      Prevalence of keel bone damage in red jungle fowls (Gallus gallus gallus) – a pilot study

      Kittelsen, K. E., Jensen, P., Christensen, Jens Peter, Toftaker, I., Moe, R. O. & Vasdal, G., 2022, Book of abstracts 2022: the 26th World Poultry Congress in Paris, 7-11, August 2022. p. 526 1 p.

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

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

    19. 2021
    20. Published

      Factors associated with herd level antimicrobial use in Danish broilers

      Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 25 Mar 2021.

      Research output: Contribution to conference › Poster › Research

    21. Published

      Brystbensfrakturer hos konsumægshøns –status på de sidste års danske undersøgelser

      Christensen, Jens Peter, Hougen, H. P., Villa, Chiara, Dahl, J., Sejonaite, L. & Thoefner, Ida , Feb 2021, In: Dansk Erhvervsfjerkrae. 50, 2, p. 60-65 6 p.

      Research output: Contribution to journal › Journal article › Research

    22. Published

      Bacterial diseases in pigs and poultry: Occurrence, epidemiology, and biosecurity measures

      Maes, D., Kyriazakis, I., Chantziaras, I., Van Limbergen, T. & Christensen, Jens Peter, 2021, Advancements and Technologies in Pig and Poultry Bacterial Disease Control. Foster, N. & Barrow, P. (eds.). Academic Press, p. 25-51

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

    23. 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 proceeding › Book chapter › Research › peer-review

    24. Published

      Kan vi få mere ud af databaser på fjerkræområdet?

      Lund, Vibe Pedersen, Nielsen, Liza Rosenbaum, Thoefner, Ida & Christensen, Jens Peter, 2021, In: Dansk Erhvervsfjerkrae. 2021, Juni, p. 14-15 2 p.

      Research output: Contribution to journal › Journal article › Communication

    25. Published

      Keel bone fractures are more prevalent in White Leghorn hens than in Red Jungle fowl hens—A pilot study

      Kittelsen, K. E., Gretarsson, P., Jensen, P., Christensen, Jens Peter, Toftaker, I., Moe, R. O. & Vasdal, G., 2021, In: PLoS ONE. 16, 7, e0255234.

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

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

    27. Published

      Pasteurella and Related Organisms

      Christensen, Jens Peter, 2021, Poultry Health: A Guide for Professionals. CABI Publishing

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

    28. 2020
    29. Published

      Prevalence of keel bone damage in red jungle fowls (Gallus gallus)—a pilot study

      Kittelsen, K. E., Jensen, P., Christensen, Jens Peter, Toftaker, I., Moe, R. O. & Vasdal, G., Sep 2020, In: Animals. 10, 9, 8 p., 1655.

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

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

    31. Published

      A descriptive study of keel bone fractures in hens and roosters from four non-commercial laying breeds housed in furnished cages

      Kittelsen, K. E., Moe, R. O., Hansen, T. B., Toftaker, I., Christensen, Jens Peter & Vasdal, G., 2020, In: Animals. 10, 11, p. 1-9 9 p., 2192.

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

    32. Published

      Changes in blood biochemistry of incubating Baltic Common Eiders (Somateria mollisima)

      Garbus, S. E., Christensen, Jens Peter, Lyngs, P., Eulaers, I., Mosbech, A., Dietz, R., Garbus, P., Huusmann, R. & Sonne, C., 2020, In: Journal of Ornithology. 161, 1, p. 25-33

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

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

    34. Published

      Explanations for keel bone fractures in laying hens: are there explanations in addition to elevated egg production?

      Toscano, M. J., Dunn, I. C., Christensen, Jens Peter, Petow, S., Kittelsen, K. & Ulrich, R., 2020, In: Poultry Science. 99, 9, p. 4183-4194 12 p.

      Research output: Contribution to journal › Review › Research › peer-review

    35. Published

      Indications for the use of highest priority critically important antimicrobials in the veterinary sector

      Lhermie, G., La Ragione, R. M., Weese, J. S., Olsen, John Elmerdahl, Christensen, Jens Peter & Guardabassi, Luca, 2020, In: The Journal of antimicrobial chemotherapy. 75, 7, p. 1671-1680 10 p.

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

    36. Published

      The association between meat inspection codes, footpad lesions and thinning of broiler flocks in the Danish broiler production

      Alfifi, Ahmed Eassa H, Dalsgaard, Anders, Christensen, Jens Peter, Larsen, M. H. & Sandberg, M., 2020, In: Preventive Veterinary Medicine. 185, 105205.

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

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

    38. 2019
    39. 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 journal › Journal article › Research

    40. Published

      A review of the financial impact of production diseases in poultry production systems

      Jones, P. J., Niemi, J., Christensen, Jens Peter, Tranter, R. B. & Bennett, R. M., 2019, In: Animal Production Science. 59, 9, p. 1585-1597

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

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

    42. Published

      Haematology, blood biochemistry, parasites and pathology of common eider (Somateria mollisima) males during a mortality event in the Baltic

      Garbus, S., Christensen, Jens Peter, Buchmann, Kurt, Jessen, T. B., Lyngs, P., Jacobsen, M. L., Garbus, G., Lund, E., Garbus, P. G., Madsen, Jesper Johannes, Thorup, Kasper & Sonne, C., 2019, In: Science of the Total Environment. 683, p. 559-567

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

    43. Published

      Incubation Behaviour of Common Eiders Somateria Mollissima in the Central Baltic: Nest Attendance and Loss in Body Mass

      Garbus, S. E., Lyngs, P., Garbus, M., Garbus, P., Eulaers, I., Mosbech, A., Dietz, R., Gilchrist, H. G., Huusmann, R., Christensen, Jens Peter & Sonne, C., 2019, In: Acrocephalus. 39, 178-179, p. 91-100 10 p.

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

    44. Published

      Infectious potential of human derived uropathogenic Escherichia coli UTI86 in the reproductive tract of laying hens

      Mortensen, S., Johansen, A. E., Thoefner, Ida , Christensen, Jens Peter, Pors, S. E., Fresno, A. H., Møller-Jensen, J. & Olsen, John Elmerdahl, 2019, In: Veterinary Microbiology. 239, 108445.

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

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

    46. Published

      The SPI-19 encoded type-six secretion-systems (T6SS) of Salmonella enterica serovars Gallinarum and Dublin play different roles during infection

      Schroll, C., Huang, K., Ahmed, S., Kristensen, B. M., Pors, S. E., Jelsbak, L., Lemire, S., Thomsen, Line Elnif, Christensen, Jens Peter, Jensen, P. R. & Olsen, John Elmerdahl, 2019, In: Veterinary Microbiology. 230, p. 23-31 9 p.

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

    47. 2018
    48. Published

      Common eider (Somateria mollissima) body condition and parasitic load during a mortality event in the Baltic Proper

      Garbus, S. E., Lyngs, P., Christensen, Jens Peter, Buchmann, Kurt, Eulaers, I., Mosbech, A., Dietz, R., Gilchrist, H. G. & Sonne, C., Aug 2018, In: Avian Biology Research. 11 , 3, p. 167-172 6 p.

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

    49. Published

      Isolation and characterization of bacteriophages active against avian pathogenic E. coli

      Jakociune, D., Bayg, A., Nielsen, Søren Saxmose, Trotereau, A., Schouler, C., Wagemans, J., Christensen, Jens Peter, Atterbury, R., Barrow, P., Lavigne, R. & Moodley, Arshnee, 17 May 2018, p. 51.

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

    50. Published

      Candling and Field Atlas of Early Egg Development in Common Eiders Somateria Mollissima in the Central Baltic

      Garbus, S. E., Lyngs, P., Thyme, A. P., Christensen, Jens Peter & Sonne, C., 2018, In: Acrocephalus. 39, 178-179, p. 85-90

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

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

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

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

    54. 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

    55. 2017
    56. Published

      ISOLATION AND CHARACTERIZATION OF BACTERIOPHAGES ACTIVE AGAINST AVIAN PATHOGENIC E. COLI (APEC)

      Jakociune, D., Baig, A., Nielsen, Søren Saxmose, Schouler, C., Wagemans, J., Christensen, Jens Peter, Atterbury, R., Barrow, P., Lavigne, R. & Moodley, Arshnee, 13 Nov 2017, p. 29. 1 p.

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

    57. 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

    58. 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

    59. Published

      Chromosomal features of Escherichia coli serotype O2:K2, an avian pathogenic E. coli

      Jørgensen, S. L., Kudirkiene, E., Li, L., Christensen, Jens Peter, Olsen, John Elmerdahl, Nolan, L. K. & Olsen, Rikke Heidemann, 10 May 2017, In: Standards in Genomic Sciences. 12, 9 p., 33.

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

    60. 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

    61. 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

    62. Published

      Evaluation of the Danish footpad lesion surveillance in conventional and organic broilers: Misclassification of scoring

      Lund, Vibe Pedersen, Nielsen, Liza Rosenbaum, Oliveira, A. R. S. & Christensen, Jens Peter, 2017, In: Poultry Science. 96, 7, p. 2018–2028

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

    63. Published

      Forskningsprojekt: Evaluering af det danske bedømmelsessystem for trædepudesvidninger hos økologiske og konventionelle slagtekyllingeflokke

      Lund, Vibe Pedersen, Nielsen, Liza Rosenbaum, da Silva Olliveira, A. R. & Christensen, Jens Peter, 2017, In: Dansk Erhvervsfjerkrae. 46, 5, p. 26-29 4 p.

      Research output: Contribution to journal › Journal article › Communication

    64. Published

      Inter-rater agreement in visual assessment of footpad dermatitis in Danish broiler chickens

      Oliveira, A. R. S., Lund, Vibe Pedersen, Christensen, Jens Peter & Nielsen, Liza Rosenbaum, 2017, In: British Poultry Science. 58, 3, p. 224-229

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

    65. 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

    66. 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

    67. 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

    68. 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

    69. 2016
    70. 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

    71. 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

    72. 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

    73. 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

    74. 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

    75. Published

      Parasitter i ederfugle: Fundet i voksne fugle på Christiansø juni 2015

      Buchmann, Kurt, Lyngs, P., Garbus, S. E. & Christensen, Jens Peter, 4 Apr 2016, In: Natur på Bornholm. 14, 1, p. 24-27 4 p.

      Research output: Contribution to journal › Journal article › Communication

    76. Published

      Pathology and Molecular Characterization of Escherichia Coli Associated With the Avian Salpingitis-Peritonitis Disease Syndrome

      Olsen, Rikke Heidemann, Bisgaard, M., Christensen, Jens Peter, Kabell, S. & Christensen, Henrik, Mar 2016, In: Avian Diseases. 60, 1, p. 1-7 7 p.

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

    77. 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

    78. 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

    79. 2015
    80. Published

      Risk to public and/or animal health of the treatment of dead-in-shell chicks (Category 2 material) to be used as raw material for the production of biogas or compost with Category 3 approved method

      Davies, R., Domingo, M., Griffin, J., Böhm, R., Christensen, Jens Peter & Ordóñez, A., Nov 2015, In: E F S A Journal. 13, 11, 46 p., 4306.

      Research output: Contribution to journal › Journal article › Research

    81. 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

    82. Published

      Distribution and predictors of footpad lesion scores in Danish organic and conventional broiler flocks

      Lund, Vibe Pedersen, Christensen, Jens Peter & Nielsen, Liza Rosenbaum, Sep 2015. 5 p.

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

    83. Published

      Evaluation of the Danish footpad lesion scoring system in relation to organic and conventional broilers

      Lund, Vibe Pedersen, Oliveira, A. R., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, Sep 2015. 1 p.

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

    84. 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

    85. 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

    86. 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

    87. 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

    88. Published

      Evaluation of the Danish surveillance of footpad lesions in organic and conventional broilers

      Lund, Vibe Pedersen, Oliveira, A. R., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2015. 1 p.

      Research output: Contribution to conference › Poster › Research

    89. Published

      Fowl Cholera

      Christensen, Jens Peter & Bisgaard, M., 2015, Manual of Poultry Diseases. Brugére-Picoux, J. & Vaillancourt, J-P. (eds.). 1 ed. Paris, France: AFAS, p. 316-326

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

    90. Published

      Inter-rater agreement of visual footpad dermatitis scoring in Danish broilers

      Oliveira, A. R., Lund, Vibe Pedersen, Christensen, Jens Peter & Nielsen, Liza Rosenbaum, 2015. 1 p.

      Research output: Contribution to conference › Poster › Research

    91. Published

      Risk factors for Mycoplasma gallisepticum seroprevalence in chickens

      Islam, M. Z., Ahmed, S., Hossain, M. F., Mahmood, A., Ahad, A., Chowdhury, S. & Christensen, Jens Peter, 2015, In: The journal of Animal & Plant Sciences. 25, 4, p. 1200-1205 6 p.

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

    92. Published

      Sorbitol non-fermenting shiga toxin-producing Escherichia coli in cattle on smallholdings

      Islam, M. Z., Christensen, Jens Peter & Biswas, P. K., 2015, In: Epidemiology and Infection. 143, 1, p. 94-103 10 p.

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

    93. 2014
    94. Published

      Inflammation-induced haemostatic response in layer chickens infected with Streptococcus equi subsp. zooepidemicus as evaluated by fibrinogen, prothrombin time and thromboelastography

      Roy, K., Bertelsen, Mads Frost, Pors, S. E., Johansen, K. W., Kristensen, Annemarie T., Kjelgaard-Hansen, M., Andreasen, E. B., Christensen, Jens Peter, Biswas, P. K. & Bojesen, Anders Miki, 2014, In: Avian Pathology. 43, 4, p. 364-370 7 p.

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

    95. Published

      Performance of a commercial Chicken-Ovo-transferrin-ELISA on the serum of brown layer chickens infected with Gallibacterium anatis and Streptococcus zooepidemicus

      Roy, K., Kjelgaard-Hansen, M., Pors, S. E., Christensen, Jens Peter, Biswas, P. K. & Bojesen, Anders Miki, 2014, In: Avian Pathology. 43, 1, p. 57-61 5 p.

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

    96. Published

      Polyamines are essential for virulence in Salmonella enterica serovar Gallinarum despite evolutionary decay of polyamine biosynthesis genes

      Schroll, C., Christensen, Jens Peter, Christensen, Henrik, Pors, S. E., Thorndahl, L., Jensen, P. R., Olsen, John Elmerdahl & Jelsbak, L., 2014, In: ScienceDirect, Veterinary Microbiology. 170, 1-2, p. 144-150 7 p.

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

    97. Published

      Poultry as a possible source of non-typhoidal Salmonella enterica serovars in humans in Bangladesh.

      Barua, H., Biswas, P. K., Talukder, K. A., Olsen, K. E. P. & Christensen, Jens Peter, 2014, In: Veterinary Microbiology. 168, 2-4, p. 372-380 9 p.

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

    98. Published

      Variations in virulence of avian pathogenic Escherichia coli demonstrated by the use of a new in vivo infection model

      Pors, S. E., Olsen, Rikke Heidemann & Christensen, Jens Peter, 2014, In: Veterinary Microbiology. 170, 3-4, p. 368-374 7 p.

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

    99. 2013
    100. Published

      In vitro and in vivo investigation on genomic stability of Salmonella enterica Typhimurium DT41 obtained from broiler breeders in Denmark

      Barua, H., Lindblom, I. L., Bisgaard, M., Christensen, Jens Peter, Olsen, Rikke Heidemann & Christensen, Henrik, 2013, In: Veterinary Microbiology. 166, 3-4, p. 607-616 10 p.

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

    101. Published

      Antimicrobial Resistance Profiles of Salmonella isolates obtained from Poultry and Humans in Bangladesh

      Barua, H., Bortolaia, V., Biswas, P. K., Talukder, K. A. & Christensen, Jens Peter, 2013, Book of Abstracts: The 18th WVPA conference in Nantes, August 13th to 23rd 2013. p. 688 1 p.

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

    102. Published

      Forekomst af Wooden breast hos danske slagtekyllinger

      Pors, S. E., Nielsen, O., Smith, U. & Christensen, Jens Peter, 2013, In: Dansk Erhvervsfjerkrae. 42, 11, p. 656-657 2 p.

      Research output: Contribution to journal › Journal article › Communication

    103. 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

    104. Published

      Intestinal invasion of Salmonella enterica serovar Typhimurium in the avian host is dose dependent and does not depend on motility and chemotaxis

      Olsen, John Elmerdahl, Hoegh-Andersen, K. H., Rosenkrantz, J. T., Schroll, C., Casadesús, J., Aabo, S. & Christensen, Jens Peter, 2013, In: Veterinary Microbiology. 165, 3-4, p. 373-377 5 p.

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

    105. Published

      Molecular characterization of motile serovars of Salmonella enterica from breeder and commercial broiler poultry farms in Bangladesh

      Barua, H., Biswas, P. K., Olsen, K. E. P. .., Shil, S. K. & Christensen, Jens Peter, 2013, In: P L o S One. 8, 3, 9 p., e57811.

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

    106. Published

      Multilocus sequence typing and biocide tolerance of Arcobacter butzleri from Danish broiler carcasses

      Rasmussen, L. H., Kjeldgaard, J., Christensen, Jens Peter & Ingmer, Hanne, 2013, In: BMC Research Notes. 6, 7 p., 322.

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

    107. Published

      Pasteurellosis and other respiratory bacterial infections

      Glisson, J., Hofacre, C. & Christensen, Jens Peter, 2013, Diseases of poultry . Swayne, D. E. (ed.). 13 ed. Wiley-Blackwell, p. 807-823 17 p.

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

    108. Published

      Pathogenicity of wild-type and small-colony variants of Streptococcus equi subsp. zooepidemicus in layer chickens

      Roy, K., Bisgaard, M., Kyvsgaard, N. C., Christensen, Jens Peter, Nielsen, O. L., Biswas, P. K., Pors, S. E. & Bojesen, Anders Miki, 2013, In: Avian Pathology. 42, 4, p. 316-322 7 p.

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

    109. Published

      Pathological manifestations observed in dead-on-arrival broilers at a Danish abattoir

      Lund, V. P., Kyvsgaard, N. C., Christensen, Jens Peter & Bisgaard, M., 2013, In: British Poultry Science. 54, 4, p. 430-440 11 p.

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

    110. 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

    111. 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

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