Henrik Christensen

Henrik Christensen

Associate Professor

Member of:


    1. 2018
    2. Published

      Classification of genera of pasteurellaceae using conserved predicted protein sequences

      Christensen, Henrik & Bisgaard, M., 2018, In: International Journal of Systematic and Evolutionary Microbiology. 68, 8, p. 2692-2696 5 p., 002860.

      Research output: Contribution to journalJournal articleResearchpeer-review

    3. Published

      From the [Pasteurella] pneumotropica complex to Rodentibacter spp. an update on [Pasteurella] pneumotropica

      Benga, L., Sager, M. & Christensen, Henrik, 2018, In: Veterinary Microbiology. 217, p. 121-134 14 p.

      Research output: Contribution to journalReviewResearchpeer-review

    4. Published

      Proposed minimal standards for the use of genome data for the taxonomy of prokaryotes

      Chun, J., Oren, A., Ventosa, A., Christensen, Henrik, Arahal, D. R., da Costa, M. S., Rooney, A. P., Yi, H., Xu, X. W., De Meyer, S. & Trujillo, M. E., 2018, In: International Journal of Systematic and Evolutionary Microbiology. 68, 1, p. 461-466 6 p., 002516.

      Research output: Contribution to journalJournal articleResearchpeer-review

    5. Published

      Reclassification of bisgaard taxon 5 as Caviibacterium pharyngocola gen. nov., sp. nov. and bisgaard taxon 7 as conservatibacter flavescens gen. nov., sp. nov

      Adhikary, S., Bisgaard, M., Nicklas, W. & Christensen, Henrik, 2018, In: International Journal of Systematic and Evolutionary Microbiology. 68, 2, p. 643-650 8 p., 002558.

      Research output: Contribution to journalJournal articleResearchpeer-review

    6. Published

      Revised taxonomy and nomenclature of rodent Pasteurellaceae: Implications for monitoring

      Boot, R., Nicklas, W. & Christensen, Henrik, 2018, In: Laboratory Animals. 52, 3, p. 300-303 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    7. 2017
    8. 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

    9. Published

      Prevalence of Taxa of Pasteurellaceae Among Populations of Healthy Captive Psittacine Birds

      Bisgaard, M., Xin, D., Bertelsen, Mads Frost, Bojesen, Anders Miki & Christensen, Henrik, Mar 2017, In: Avian Diseases. 61, 1, p. 102-106

      Research output: Contribution to journalJournal articleResearchpeer-review

    10. Published

      Clonal outbreaks of [Pasteurella] pneumotropica biovar Heyl in two mouse colonies

      Adhikary, S., Bisgaard, M., Dagnæs-Hansen, F. & Christensen, Henrik, 2017, In: Laboratory Animals. 51, 6, p. 613-621 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    11. 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

    12. Published

      Repetitive element sequence-based pcr typing for improved discrimination of Campylobacter Jejuni

      Malakauskas, M., Malakauskas, A., Christensen, Henrik, Olsen, John Elmerdahl & Brogren, C. H., 2017, In: Veterinarija ir Zootechnika. 75, 97, p. 43-53 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    13. Published

      Rodentibacter gen. nov including Rodentibacter pneumotropicus comb. nov., Rodentibacter heylii sp nov., Rodentibacter myodis sp nov., Rodentibacter ratti sp nov., Rodentibacter heidelbergensis sp nov., Rodentibacter trehalosifermentans sp nov., Rodentibacter rarus sp nov., Rodentibacter mrazii and two genomospecies

      Adhikary, S., Nicklas, W., Bisgaard, M., Boot, R., Kuhnert, P., Waberschek, T., Aalbæk, Bent, Korczak, B. & Christensen, Henrik, 2017, In: International Journal of Systematic and Evolutionary Microbiology. 67, 6, p. 1793-1806

      Research output: Contribution to journalJournal articleResearchpeer-review

    14. 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

    15. 2016
    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 proceedingConference abstract in proceedingsResearchpeer-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 proceedingConference abstract in proceedingsResearchpeer-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 proceedingArticle in proceedingsResearchpeer-review

    19. 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 journalJournal articleResearchpeer-review

    20. Published

      Testudinibacter aquarius gen. nov., sp nov., a member of the family Pasteurellaceae isolated from the oral cavity of freshwater turtles

      Hansen, M. J., Pennanen, E. A. E., Bojesen, Anders Miki, Christensen, Henrik & Bertelsen, Mads Frost, Feb 2016, In: International Journal of Systematic and Evolutionary Microbiology. 66, 2, p. 567-573 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    21. 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

    22. 2015
    23. 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

    24. Published
    25. Published

      Identification and antimicrobial resistance of bacteria isolated from probiotic products used in shrimp culture

      Uddin, G. M. N., Larsen, M. H., Christensen, Henrik, Aarestrup, F. M., Phu, T. M. & Dalsgaard, Anders, 16 Jul 2015, In: PloS one. 10, 7, 21 p., e0132338.

      Research output: Contribution to journalJournal articleResearchpeer-review

    26. Published

      Bisgaardia miroungae sp. nov., a new member of the family Pasteurellaceae isolated from the oral cavity of northern elephant seals (Mirounga angustirostris), and emended description of the genus Bisgaardia

      Hansen, M. J., Bertelsen, Mads Frost, Christensen, Henrik & Bojesen, Anders Miki, Feb 2015, In: International Journal of Systematic and Evolutionary Microbiology. 65, 2, p. 388-392 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    27. Published

      Ursidibacter maritimus gen. nov., sp. nov. and Ursidibacter arcticus sp. nov., two new members of the family Pasteurellaceae isolated from the oral cavity of bears

      Hansen, M. J., Braaten, M. S., Bojesen, Anders Miki, Christensen, Henrik, Sonne, C., Dietz, R. & Bertelsen, Mads Frost, 2015, In: International Journal of Systematic and Evolutionary Microbiology. 65, p. 3683-3689 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    28. 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 journalJournal articleResearchpeer-review

    29. Published

      Reclassification of Actinobacillus muris as Muribacter muris gen. nov., comb. nov.

      Nicklas, W., Bisgaard, M., Aalbæk, Bent, Kuhnert, P. & Christensen, Henrik, 2015, In: International Journal of Systematic and Evolutionary Microbiology. 65, 10, p. 3344-3351 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    30. Published
    31. 2014
    32. Published

      Frederiksenia canicola gen. nov., sp. nov. isolated from dogs and human dog-bite wounds

      Korczak, B. M., Bisgaard, M., Christensen, Henrik & Kuhnert, P., 2014, In: Antonie van Leeuwenhoek: Journal of Microbiology. 105, 4, p. 731-741 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    33. Published

      Comparative analysis of evolutionarily conserved motifs of epidermal growth factor receptor 2 (HER2) predicts novel potential therapeutic epitopes

      Deng, X., Zheng, X., Yang, H., Moreira, José, Brünner, N. & Christensen, Henrik, 2014, In: PLOS ONE. 9, 9, 9 p., e106448.

      Research output: Contribution to journalJournal articleResearchpeer-review

    34. Published

      Extended-spectrum β-lactamase-producing Escherichia coli isolated from poultry: a review of current problems, illustrated with some laboratory findings

      Olsen, Rikke Heidemann, Bisgaard, M., Löhren, U., Robineau, B. & Christensen, Henrik, 2014, In: Avian Pathology. 43, 3, p. 199-208 10 p.

      Research output: Contribution to journalReviewResearchpeer-review

    35. Published

      Investigation of taxa of the family Pasteurellaceae isolated from Syrian and European hamsters and proposal of Mesocricetibacter intestinalis gen. nov., sp. nov. and Cricetibacter osteomyelitidis gen. nov., sp. nov

      Christensen, Henrik, Nicklas, W. & Bisgaard, M., 2014, In: International Journal of Systematic and Evolutionary Microbiology. 64, Pt 11, p. 3636-3643 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    36. Published

      MALDI-TOF mass spectrometry confirms difficulties in separating species of the Avibacterium genus

      Alispahic, M., Christensen, Henrik, Bisgaard, M., Hess, M. & Hess, C., 2014, In: Avian pathology : journal of the W.V.P.A. 43, 3, p. 258-263 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    37. Published

      MLST typing of Pasteurella multocida associated with haemorrhagic septicaemia and development of a real-time PCR specific for haemorrhagic septicaemia associated isolates

      Petersen, A., Bisgaard, M., Townsend, K. & Christensen, Henrik, 2014, In: Veterinary Microbiology. 170, 3-4, p. 335-341 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    38. Published

      Occurrence of weak mutators among avian pathogenic Escherichia coli (APEC) isolates causing salpingitis and peritonitis in broiler breeders

      Pires dos Santos, T. M. S., Bisgaard, M., Kyvsgaard, N. C. & Christensen, Henrik, 2014, In: Veterinary Microbiology. 168, 1, p. 141-147 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    39. 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 journalJournal articleResearchpeer-review

    40. 2013
    41. 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 journalJournal articleResearchpeer-review

    42. Published

      Ornithobacterium rhinotracheale has neuraminidase activity causing desialylation of chicken and turkey serum and tracheal mucus glycoproteins

      Kastelic, S., Bercic, R. L., Cizelj, I., Bencina, M., Makrai, L., Zorman-Rojs, O., Narat, M., Bisgaard, M., Christensen, Henrik & Bencina, D., 2013, In: Veterinary Microbiology. 162, 2-4, p. 707-712 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    43. Published

      Comparative study of PCR methods to detect Pasteurella multocida

      Adhikary, S., Bisgaard, M., Foster, G., Kiessling, N., Fahlen, A. R., Olsen, John Elmerdahl & Christensen, Henrik, 2013, In: Berliner und Muenchener Tieraerztliche Wochenschrift. 126, 9/10, p. 415-422 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    44. Published

      Description of Riemerella columbipharyngis sp. nov., isolated from the pharynx of healthy domestic pigeons (Columba livia f. domestica), and emended descriptions of the genus Riemerella, Riemerella anatipestifer and Riemerella columbina

      Rubbenstroth, D., Ryll, M., Hotzel, H., Christensen, Henrik, Knobloch, J. K., Rautenschlein, S. & Bisgaard, M., 2013, In: International Journal of Systematic and Evolutionary Microbiology. 63, 1, p. 280-287 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    45. Published

      Draft genome sequence of Gallibacterium anatis bv. haemolytica 12656-12 liver: an isolate obtained from the liver of a septicemic chicken

      Kudirkiene, E., Christensen, Henrik & Bojesen, Anders Miki, 2013, In: Genome Announcements. 1, 5, 2 p., e00810-13.

      Research output: Contribution to journalJournal articleResearchpeer-review

    46. Published

      Draft genome sequence of Streptococcus equi subsp. zooepidemicus strain S31A1, isolated from equine infectious endometritis

      da Piedade, I., Skive, Bolette, Christensen, Henrik & Bojesen, Anders Miki, 2013, In: Genome Announcements. 1, 5, 2 p., e00683-13.

      Research output: Contribution to journalJournal articleResearchpeer-review

    47. Published

      Genetic diversity and virulence profiles of Escherichia coli causing salpingitis and peritonitis in broiler breeders

      Pires dos Santos, T. M. S., Bisgaard, M. & Christensen, Henrik, 2013, In: Veterinary Microbiology. 162, 2-4, p. 873-880 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    48. Published

      Genital form off pasteurellosis in breeding turkeys infected during artificial insemination and isolation off an unusual strain of Pasteurella multocida.

      Cariou, N., Christensen, Henrik, Salandre, O., Albaric, O., Bisgaard, M. & Malher, X., 2013, In: Avian Diseases. 57, 3, p. 693-697 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    49. Published

      Hvordan opstår og udvikler bakterielle infektioner sig i store fjerkræflokke

      Christensen, Henrik, Olsen, Rikke Heidemann, Pires dos Santos, T. M. S. & Bisgaard, M., 2013, In: Dansk Erhvervsfjerkrae. 42, 4, p. 216-221 6 p.

      Research output: Contribution to journalJournal articleResearch

    50. Published

      Multilocus sequence analysis of Pasteurella multocida demonstrates a type species under development

      Bisgaard, M., Petersen, A. H. H. & Christensen, Henrik, 2013, In: Microbiology. 159, 3, p. 580-590 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    51. Published

      Transmission dynamics of Mannheimia haemolytica in newly-received beef bulls at fattening operations

      Timsit, E., Christensen, Henrik, Bareille, N., Seegers, H., Bisgaard, M. & Assié, S., 2013, In: Veterinary Microbiology. 161, 3-4, p. 295-304 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    52. 2012
    53. Published

      Enterococcus faecalis of human and poultry origin share virulence genes supporting the zoonotic potential of E. faecalis

      Olsen, Rikke Heidemann, Schønheyder, H. C., Christensen, Henrik & Bisgaard, M., 2012, In: Zoonoses and Public Health. 59, 4, p. 256-263 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    54. Published

      Otariodibacter oris gen. nov., sp. nov., a member of the family Pasteurellaceae isolated from the oral cavity of pinnipeds

      Hansen, M. J., Bertelsen, Mads Frost, Christensen, Henrik, Bojesen, Anders Miki & Bisgaard, M., 2012, In: International Journal of Systematic and Evolutionary Microbiology. 62, 11, p. 2572-2578 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    55. Published

      Pasteurella multocida carriage in red-necked wallabies (Macropus rufogriseus)

      Bertelsen, Mads Frost, Bojesen, Anders Miki, Bisgaard, M., Petersen, A. H. H. & Christensen, Henrik, 2012, In: Journal of Zoo and Wildlife Medicine. 43, 4, p. 726-729 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    56. Published

      An investigation on first-week mortality in layers

      Olsen, Rikke Heidemann, Frantzen, C., Christensen, Henrik & Bisgaard, M., 2012, In: Avian Diseases. 56, 1, p. 51-57 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    57. Published

      Analysis of 16S-23S rRNA internal transcribed spacer regions in Pasteurellaceae isolated from laboratory rodents.

      Benga, L., Benten, W. P. M., Engelhardt, E., Christensen, Henrik & Sager, M., 2012, In: Journal of Microbiological Methods. 90, 3, p. 342-349 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    58. Published

      Classification of avian haemolytic Actinobacillus-like organisms (Bisgaard taxon 26) associated with anseriforme birds as Actinobacillus anseriformium sp. nov.

      Bisgaard, M. & Christensen, Henrik, 2012, In: International Journal of Systematic and Evolutionary Microbiology. 62, 2, p. 352-358 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    59. Published

      Classification of Pasteurella species B as Pasteurella oralis sp. nov.

      Christensen, Henrik, Bertelsen, Mads Frost, Bojesen, Anders Miki & Bisgaard, M., 2012, In: International Journal of Systematic and Evolutionary Microbiology. 62, 6, p. 1396-1401 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    60. Published

      Comparative genomics of multiple plasmids from APEC associated with clonal outbreaks demonstrates major similarities and identifies several potential vaccine-targets.

      Olsen, Rikke Heidemann, Christensen, Henrik & Bisgaard, M., 2012, In: Veterinary Microbiology. 158, 3-4, p. 384-393 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    61. Published

      Genetic analysis of Trichuris suis and Trichuris trichiura recovered from humans and pigs in a sympatric setting in Uganda

      Nissen, S., Al-Jubury, Azmi, Hansen, Tina Vicky Alstrup, Olsen, A., Christensen, Henrik, Thamsborg, Stig Milan & Nejsum, P., 2012, In: Veterinary Parasitology. 188, 1-2, p. 68-77 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    62. Published

      Identification of animal Pasteurellaceae by MALDI-TOF mass spectrometry

      Kuhnert, P., Bisgaard, M., Korczak, B. M., Schwendener, S., Christensen, Henrik & Frey, J., 2012, In: Journal of Microbiological Methods. 89, 1, p. 1-7 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    63. Published

      MALDI-TOF mass spectrometry confirms clonal lineages of Gallibacterium anatis between chicken flocks.

      Alispahic, M., Christensen, Henrik, Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M., 2012, In: Veterinary Microbiology. 160, 1-2, p. 269-273 5 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    64. Published

      Multilocus sequence phylogenetic analysis of Avibacterium

      Bisgaard, M., Nørskov-Lauritsen, N., Wit, S. J. D., Hess, C. & Christensen, Henrik, 2012, In: Microbiology. 158, 4, p. 993-1004 12 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    65. Published

      Occurrence of Pasteurellaceae bacteria in the oral cavity of selected marine mammal species

      Hansen, M. J., Bertelsen, Mads Frost, Christensen, Henrik, Bisgaard, M. & Bojesen, Anders Miki, 2012, In: Journal of Zoo and Wildlife Medicine. 43, 4, p. 828-835 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    66. Published

      The diversity of inducible and constitutively expressed erm(C) genes and association to different replicon types in staphylococci plasmids

      de Vries, Lisbeth Elvira, Christensen, Henrik & Agersø, Y., 2012, In: Mobile Genetic Elements. 2, 2, p. 72-80 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    67. Published

      Transmission and genetic diversity of Enterococcus faecalis during hatch of broiler chicks

      Olsen, Rikke Heidemann, Christensen, Henrik & Bisgaard, M., 2012, In: Veterinary Microbiology. 160, 1-2, p. 214-221 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    68. 2011
    69. Published

      Avibacterium spp., a diagnostic challenge due to horizontal gene transfer?

      Bisgaard, M., Nørskov-Lauritsen, N., Witt, J. D., Hess, C. & Christensen, Henrik, 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 259-269 11 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    70. Published

      Mannheimia caviae sp. nov., isolated from epidemic conjunctivitis and otitis media in guinea pigs

      Christensen, Henrik, Bojesen, Anders Miki & Bisgaard, M., 2011, In: International Journal of Systematic and Evolutionary Microbiology. 61, 7, p. 1699-1704 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    71. Published

      Characterization of diversity and virulence traits of Escherichia coli associated with haemorrhagic septicaemia outbreaks in turkeys

      Olsen, Rikke Heidemann, Chadfield, M. S., Christensen, Jens Peter, Scheutz, F., Christensen, Henrik & Bisgaard, M., 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 471-473 3 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    72. Published

      Chronic salpingitis and peritonitis in chickens due to Escherichia coli infection - a possible model for extraintestinal infections in humans

      Pires dos Santos, T. M. S., Kyvsgaard, N. C., Bisgaard, M. & Christensen, Henrik, 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 772-774 3 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    73. Published

      Classification of organisms previously reported as the SP and Stewart-Letscher groups, with descriptions of Necropsobacter gen. nov. and of Necropsobacter rosorum sp. nov., for organisms of the SP group

      Christensen, Henrik, Korczak, B. M., Bojesen, Anders Miki, Kuhnert, P., Frederiksen, W. & Bisgaard, M., 2011, In: International Journal of Systematic and Evolutionary Microbiology. 61, 8, p. 1829-1836 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    74. Published

      Clonality and virulence traits of Escherichia coli associated with hemorrhagic septicaemia in turkeys

      Olsen, Rikke Heidemann, Chadfield, M. S., Christensen, Jens Peter, Scheutz, F., Christensen, Henrik & Bisgaard, M., 2011, In: Avian Pathology. 40, 6, p. 587-595 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    75. Published

      Demonstration of antibiotic resistance genes strA, blaTEM, tetA, tetC and sul2 in Avibacterium paragallinarum

      Byarugaba, D. K., Minga, U. M., Gwakisa, P. S., Katunguka-Rwakishaya, E., Bisgaard, M., Christensen, Henrik & Olsen, John Elmerdahl, 2011, In: African Journal of Microbiology Research. 5, 22, p. 3624-3627 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    76. Published

      Diversity and biological properties of Salmonella typhimurium DT 41 obtained from broiler breeders in Denmark

      Barua, H., Christensen, Jens Peter, Christensen, Henrik, Lucilia Lindblom, I. & Bisgaard, M., 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 214-216 3 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    77. Published

      Diversity and stability of the genetic population structure of Escherichia coli isolated from broiler production

      Pires dos Santos, T. M. S., Kyvsgaard, N. C., Bisgaard, M. & Christensen, Henrik, 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 770-771 2 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    78. Published

      Escherichia coli associeret sygdom i konsumægsektoren. Kortlægning af faktorer af betydning for sygdomsudviking og sygdomsforebyggelse

      Bisgaard, M., Olsen, Rikke Heidemann, Kyvsgaard, N. C., Christensen, Jens Peter & Christensen, Henrik, 2011, In: Dansk Erhvervsfjerkrae. 39, p. 130-133 4 p.

      Research output: Contribution to journalJournal articleCommunication

    79. Published

      Genetic diversity and associated pathology of Pasteurella multocida isolated from porcine pneumonia

      Pors, S. E., Hansen, Mette Sif, Christensen, Henrik, Jensen, Henrik Elvang, Petersen, A. H. H. & Bisgaard, M., 2011, In: Veterinary Microbiology. 150, 3-4, p. 354-361 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    80. Published

      Genetic diversity of Escherichia coli associated with increased mortality in free-range layers concurrently infected with Histomonas meleagridis as demonstrated by plasmid profiling and multilocus sequence typing (MLST)

      Olsen, Rikke Heidemann, Stockholm, N. M., Permin, A., Christensen, Jens Peter, Christensen, Henrik & Bisgaard, M., 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 754-756 3 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    81. Published

      Horses, an overlooked risk factor for serious Streptococcus equi ssp. Zooepidemicus infections in free range chickens

      Bisgaard, M., Bojesen, Anders Miki, Petersen, M. R. & Christensen, Henrik, 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 270-276 7 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    82. Published

      Host response in rabbits to infection with Pasteurella multocida serogroup F strains originating from fowl cholera

      Jaglic, Z., Jeklova, E., Christensen, Henrik, Leva, L., Register, K., Kummer, V., Kucerova, Z., Faldyna, M., Maskova, J. & Nedbalcova, K., 2011, In: Canadian Journal of Veterinary Research. 75, 3, p. 200-208 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    83. Published

      Identification of Gallibacterium speciesby matrix-assisted laser desorption/ ionization time-of-flight mass spectrometryevaluated bymultilocus sequence analysis

      Alispahic, M., Christensen, Henrik, Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M., 2011, In: International Journal of Medical Microbiology. 301, 6, p. 513-522 10 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    84. Published

      Matrix-assisted laser desorption ionization-time-of-flight mass spectrometry identifies Gallibacterium species and reveals clonal lineages between chicken flocks

      Alispahic, M., Christensen, Henrik, Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M., 2011, 17th World Veterinary Poultry Congress: Proceedings. p. 179-182 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    85. Published

      Multi-locus sequence typing and plasmid profile characterization of avian pathogenic Escherichia coli associated with increased mortality in free-range layer flocks

      Olsen, Rikke Heidemann, Stockholm, N. M., Permin, A., Christensen, Jens Peter, Christensen, Henrik & Bisgaard, M., 2011, In: Avian Pathology. 40, 5, p. 437-444 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    86. Published

      On the origin and diversity of Newcastle disease virus in Tanzania

      Yongolo, M. G., Christensen, Henrik, Handberg, K., Minga, U. & Olsen, John Elmerdahl, 2011, In: Onderstepoort Journal of Veterinary Research. 78, 1, 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    87. Published

      Outbreaks of pleuritis and peritonitis in calves associated with Pasteurella multocida capsular type B strain

      McFadden, A. M. J., Christensen, Henrik, Fairley, R. A., Hill, F. I. & Spence, R. P., 2011, In: New Zealand Veterinary Journal. 59, 1, p. 40-45 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    88. Published

      Pasteurella

      Dziva, F. & Christensen, Henrik, 2011, Molecular detection of human bacterial pathogens. Li, D. (ed.). CRC Press, p. 943-955 13 p.

      Research output: Chapter in Book/Report/Conference proceedingBook chapterResearchpeer-review

    89. Published

      The gut as reservoir of antibiotic resistance: microbial diversity of tetracycline resistance in mother and infant

      de Vries, Lisbeth Elvira, Vallès, Y., Agersø, Y., Vaishampayan, P. A., Garcia-Montaner, A., Kuehl, J. V., Christensen, Henrik, Barlow, M. & Francino, M. P., 2011, In: P L o S One. 6, 6, 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    90. Published

      Transmission and genetic diversity of Enterococcus faecalis among layer chickens during hatch

      Fertner, M. E., Olsen, Rikke Heidemann, Bisgaard, M. & Christensen, Henrik, 2011, In: Acta Veterinaria Scandinavica (Print). 53, 56, 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    91. Published

      Transmission of Enterococcus faecalis among layer chickens during hatch

      Munch, M., Olsen, R., Bisgaard, M. & Christensen, Henrik, 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 349-353 5 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    92. Published

      Unusual growth variants of Avibacterium paragallinarum

      Blackall, P. J., Christensen, Henrik & Bisgaard, M., 2011, In: Australian Veterinary Journal. 89, 7, p. 273-275 3 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    93. Published

      Virulence factors of Enterococcus faecalis of human and poultry origin seem to confirm the zoonotic potential of E. faecalis.

      Olsen, Rikke Heidemann, Schønheyder, H., Christensen, Henrik & Bisgaard, M., 2011, 17th World Veterinary Poultry Congress: proceedings. WVPA, p. 474-476 3 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    94. 2010
    95. Published

      A molecular method to differentiate between three genotypes of trichuris recovered from humans and pigs

      Al-Jubury, A., Nissen, S., Olsen, A., Christensen, Henrik, Thamsborg, Stig Milan & Nejsum, P., 2010. 1 p.

      Research output: Contribution to conferenceConference abstract for conferenceResearch

    96. Published

      Association between phylogeny, virulence potential and serovars of Salmonella enterica

      Litrup, E., Torpdahl, M., Malorny, B., Huehn, S., Christensen, Henrik & Nielsen, E., 2010, In: Infection, Genetics and Evolution. 10, 7, p. 1132-1139 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    97. Published

      Characterization of pasteurellaceae-like bacteria isolated from clinically affected psittacine birds

      Olsen, Rikke Heidemann, Neubauer, C., Christensen, Henrik, Korczak, B., Bojesen, Anders Miki, Hess, M. & Bisgaard, M., 2010, In: Journal of Applied Microbiology. 108, 4, p. 1235-1243 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    98. Published

      DNA microarray analysis of Salmonella serotype Typhimurium strains causing different symptoms of disease

      Litrup, E., Torpdahl, M., Malorny, B., Huehn, S., Helms, M., Christensen, Henrik & Nielsen, E. M., 2010, In: BMC Microbiology. 10, 96, 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    99. Published

      Genetic variation of Trichuris spp. obtained from humans and pigs

      Nissen, S., Al-Jubury, A., Olsen, A., Christensen, Henrik, Thamsborg, Stig Milan & Nejsum, P., 2010, Congress handbook: the XIIth international congress of parasitology: Australia, 2010. Australian Society for Parasitology, 1 p.

      Research output: Chapter in Book/Report/Conference proceedingConference abstract in proceedingsResearchpeer-review

    100. Published

      Impact of Escherichia coli vaccine on parent stock mortality, first week mortality of broilers and population diversity of E. coli in vaccinated flocks

      Olsen, Rikke Heidemann, Christensen, Henrik, Ewers, C. & Bisgaard, M., 2010, In: Avian Pathology. 39, 4, p. 287-295 9 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    101. Published

      Improved understanding of diseases asssociated with potential bacterial pathogens of poultry to be gained from multilocus sequence typing (MLST)

      Bisgaard, M., Olsen, Rikke Heidemann & Christensen, Henrik, 2010, European Poultry Conference. 4 p.

      Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearch

    102. Published

      Molecular classification and its impact on diagnostics and understanding the phylogeny and epidemiology of selected members of Pasteurellaceae of veterinary importance

      Christensen, Henrik & Bisgaard, M., 2010, In: Berliner und Munchener Tierarztliche Wochenschrift. 123, 1/2, p. 20-30 11 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    103. Published

      Multilocus sequence typing of Enterococcus faecalis isolates demonstrating different lesion types in broiler breeders

      Olsen, Rikke Heidemann, Petersen, A., Christensen, Henrik & Bisgaard, M., 2010, In: Avian Pathology. 39, 6, p. 435-440 6 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    104. Published
    105. Published

      Phylogenetic relationships of Riemerella anatipestifer serovars and related taxa and an evaluation of specific PCR tests reported for R. anatipestifer

      Christensen, Henrik & Bisgaard, M., 2010, In: Journal of Applied Microbiology. 108, 5, p. 1612-1619 8 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    106. Published

      Real-time PCR detection of Enterococcus faecalis  associated with amyloid arthropathy

      Petersen, A. H. H., Bisgaard, M. & Christensen, Henrik, 2010, In: Journal of Applied Microbiology. 51, 1, p. 61-64 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    107. Published

      Streptococinfektioner - en ny risikofaktor?

      Bisgaard, M. & Christensen, Henrik, 2010, In: Dansk Erhvervsfjerkrae. 39, 2, p. 96-98 3 p.

      Research output: Contribution to journalJournal articleResearch

    108. Published

      Use of multiple-locus variable-number tandem-repeats analysis (MLVA) typing to characterize Salmonella Typhimurium DT41 broiler breeder infections

      Litrup, E., Christensen, Henrik, Nordentoft, S., Nielsen, E., Davies, R., Helmuth, R. & Bisgaard, M., 2010, In: Journal of Applied Microbiology. 109, 6, p. 2032-2038 7 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    109. 2009
    110. Published

      Anaplasma phagocytophilum in Danish sheep: confirmation by DNA sequencing

      Kiilerich, A. M., Christensen, Henrik & Thamsborg, Stig Milan, 2009, In: Acta Veterinaria Scandinavica (Online). 51, 55, 4 p.

      Research output: Contribution to journalJournal articleResearchpeer-review

    ID: 4224670