Publications (Henrik Christensen)

Complete lists of publications. Henrik Christensen. March 2018
H-factor 39 (Google Scholar).

1. Scientific journals with peer-review
1.1. Christensen, H., Funck-Jensen, D. and Kjøller, A. 1989. Growth rate of rhizosphere bacteria measured directly by the tritiated thymidine incorporation technique. Soil Biol. & Biochem. 21, 113 - 117.

1.2. Christensen, H., Griffiths, B. and Christensen, S. 1992. Bacterial incorporation of tritiated thymidine and populations of bacteriophagous fauna in the rhizosphere of wheat. Soil Biol. & Biochem. 24, 703 - 709.

1.3. Christensen, H. and Jakobsen, I. 1993. Reduction of bacterial growth by a VA-mycorrhizal fungus in the rhizosphere of cucumber. Biol. Fertil. Soils 15, 253 - 258.

1.4. Christensen, H., Bakken, L. R. and Olsen, R. A. 1993. Soil bacterial DNA and biovolume profiles
measured by flow-cytometry. FEMS Microbiol. Ecol. 102, 129 - 140.

1.5. Christensen, H. 1993. Conversion factors for the thymidine incorporation technique estimated with bacteria in pure culture and on seedling roots. Soil Biol. & Biochem. 25, 1085 - 1096.

1.6. Christensen, H., Bakken, L. R. and Olsen, R. A. 1994. Flow cytometric measurements of cell volumes and DNA contents of indigenous soil bacteria. Microb. Ecol. 29, 49 - 62.

1.7. Christensen, H., Boye, M., Poulsen, L. K. and Rasmussen, O. 1994. Analysis of fluorescent
pseudomonads based on 23S-rDNA sequences. Appl. Environ. Microbiol. 60, 2196 - 2199.

1.8. Christensen, H. and Poulsen, L. K. 1994. Detection of Pseudomonas in soil by rRNA targeted in-situ hybridization technique. Soil. Biol. & Biochem. 26, 1093 - 1096.

1.9. Christensen, H. and Christensen, S. 1994. 3Hthymidine incorporation of rhizosphere bacteria influenced by plant-N status. Plant and Soil 162, 113-116.

1.10. Christensen, H., R›nn, R., Ekelund, F. and Christensen, S. 1995. Bacterial production determined by 3H-thymidine incorporation in field rhizospheres as evaluated by comparison to rhizodeposition. Soil. Biol.
& Biochem. 27, 93-99.

1.11. Rasmussen, H.N., Rasmussen, O.F., Christensen, H. & Olsen, J.E. 1995. Detection
of Yersinia enterocolitica O:3 in faecal samples and tonsil swabs from pigs using IMS and PCR. J. Appl. Bacteriol. 78. 563-8.

1.12. Vogel, B. V., Jørgensen, K., Christensen, H., Olsen, J. E. and Gram, L. 1997. Differentiation of
Shewanella putrefaciens and Shewanella alga on the basis of whole-cell protein profiles, ribotyping,
phenotypic characterization, and 16S rRNA gene sequence analysis. Appl. Environ. Microbiol. 63, 2189 -2199.

1.13. Nordentoft, S., Christensen, H. and Wegener, H. C. 1997. Evaluation of a fluorescence-labelled
oligonucleotide probe targeting 23S rRNA for in situ detection of Salmonella serovars in paraffin-embedded
tissue sections and their rapid identification in bacterial smears. J. Clin. Microbiol. 35, 2642 - 2648.

1.14. Christensen, H. and Olsen, J. E. 1998. Phylogenetic relationships of Salmonella based on DNA
sequence comparison of atpD coding for the beta subunit of ATP synthase. FEMS Microbiol. Lett. 161, 89-
96.

1.15. Christensen, H., Nordentoft, S. and Olsen, J. E. 1998. Phylogenetic relationship of Salmonella based
on ribosomal RNA sequences. Int. J. System. Bacteriol. 48, 605-610.

1.16. Leisner, J. J., Pot, B., Christensen, H., Rosul, G., Olsen, J. E., Wee, B. W., Muhamad, K. and Ghazali,
H. M. 1999. Identification of lactic acid bacteria from chili bo. Appl. Environ. Microbiol. 65, 599-605.

*1.17. Christensen, H., Hansen, M., and S›rensen, J. 1999. Counting and size classification of active soil
bacteria by fluorescence in situ hybridization with an rRNA oligonucleotide probe. Appl. Environ.
Microbiol. 65, 1753-1761.

1.18. Christensen, H., Jørgensen, K. and Olsen, J. E. 1999. Differentiation of Campylobacter coli and C.
jejuni by length and DNA sequence of the 16S-23S rRNA internal spacer region. Microbiology 145, 99-105.

1.19. Christensen, H., Møller, P. L., Vogensen, F. K. and Olsen, J. E. 2000. 16S to 23S rRNA spacer
fragment length polymorphism of Salmonella enterica at subspecies and serotype levels. J. Appl. Microbiol.
89, 130- 36.

1.20. Christensen, H., Møller, P. L., Vogensen, F. K. and Olsen, J. E. 2000. Sequence variation of the 16S to
23S rRNA spacer region in Salmonella enterica. Res. Microbiol. 151, 37-42.

1.21. Leisner, J. J., Vancanneyt, M., Goris, J., Christensen, H. and Rusul, G. 2000. Description of
Paralactobacillus selangorensis, gen. nov., sp. nov., a new lactic acid bacterium isolated from chili bo, a
Malaysian food ingredient. Int. J. System. Evol. Microbiol. 50, 19-24.

1.22. Vogel, B. V., Venkateswaran, K., Christensen, H., Falsen, E., Christiansen, G. and Gram, L. 2000.
Polyphasic taxonomic approach in the description of Alishewanella fetalis gen. nov., sp. nov. isolated from
a human foetus. Int. J. System. Evol. Microbiol.50, 1133-1142.

1.23. Christensen, H., Angen, Ø., Mutters, R., Olsen, J. E. and Bisgaard, M. 2000. DNA-DNA hybridization
determined in micro-wells using covalent attachment of DNA. Int. J. System. Evol. Microbiol. 50, 1095-
1102.

1.24. Ryll, M., Christensen, H., Bisgaard, M., Christensen, J.-P., Hinz, K. H. and Köhler, B. 2001. Studies
on the prevalence of Riemerella anatipestifer in the upper respiratory tract of clinically healthy ducklings
and characterization of untypable strains. J. Vet. Med. B 48, 537-546.

1.25. Christensen, H., Bisgaard, M., Frederiksen, W., Mutters, R., Kuhnert, P. and Olsen, J. E. 2001.
Taxonomic note: Is characterization of a single isolate sufficient for valid publication of a new genus or
species? Proposal on reformulation of recommendation 30b of the Bacteriological Code. Int. J. System.
Evol. Microbiol. 51, 2221-2225.

1.26. Dziva, F., Christensen, H., Olsen, J. E. and Mohan, K. 2001. Random amplification of polymorphic
DNA and phenotypic typing of Zimbabwean isolates of Pasteurella multocida. Vet. Microbiol. 82, 361-372.

1.27. Mbuthia, P. G., Christensen, H., Boye, M., Petersen, K. M. D., Bisgaard, M., Nyaga, P. N. and Olsen,
J. E. 2001. Specific detection of Pasteurella multocida in fowl chorela and pig lung tissues using fluorescent
rRNA in situ hybridization. J. Clin. Microbiol. 39, 2627-2633.

1.28. Petersen, K. D., Christensen, H., Bisgaard, M. and Olsen, J. E. 2001. Genetic diversity of Pasteurella
multocida fowl cholera isolates as demonstrated by ribotyping and 16S rRNA and partial atpD sequece
comparisons. Microbiology 147, 2739-2748.

1.29. Paarup, T., Sanchez, J. A., Moral, A., Christensen, H., Bisgaard, M. and Gram, L. 2002. Sensory,
chemical, and bacteriological changes during storage of iced squid (Todaropsis eblanae). J. Appl.
Microbiol. 92, 941-950.

1.30. Christensen, H., Bisgaard, M., Angen, Ø. and Olsen, J. E. 2002. Final classification of Bisgaard taxon
9 as Actinobacillus arthritidis sp. nov. and recognition of a novel genomospecies for equine strains of A.
lignieresii. Int. J. System. Evol. Microbiol. 52, 1239-1246.

1.31. Christensen, H., Bisgaard, M. and Olsen, J. E. 2002. Reclassification of equine isolates previously
reported as Actinobacillus equuli, A. suis or taxon 11 of Bisgaard and proposal of two subspecies of A.
equuli: A. equuli subsp. equuli and A. equuli subsp. haemolyticus. Int. J. System. Evol. Microbiol. 52, 1569-
1576.

1.32. Christensen, H., Dziva, F., Olsen, J. E. and Bisgaard, M. 2002. Genotypical heterogeneity of
Pasteurella gallinarum as shown by ribotyping and 16S rRNA sequencing. Avian Pathology 31, 603-610.

1.33. Christensen, H., Bisgaard, M., Bojesen, M., Mutters, R. and Olsen, J. E. 2003. Genetic relationships
among strains of biovars of avian isolates classified as ‘Pasteurella haemolytica’, ‘Actinobacillus
salpingitidis’ or Pasteurella anatis with proposal of Gallibacterium anatis gen. nov., comb. nov. and
description of additional genomospecies within Gallibacterium gen. nov. Int. J. System. Evol. Microbiol. 53,
275-287.

1.34. Bojesen, M., Torpdahl, M., Christensen, H., Olsen, J. E. and Bisgaard, M. 2003. Diversity of
Gallibacterium anatis isolated from different chicken flocks. J. Clin. Microbiol. 41, 2737-2740.

1.35. Aalbæk, B., Christensen, H., Bisgaard, M., Liljegren, C. H., Nielsen, O. L. and Jensen, H. E. 2003.
Actinomyces hyovaginalis associated with disseminated necrotic lung lesions in slaughter pigs. J. Comp.
Pathol. 129, 70-77.

1.36. Angen, Ø., Ahrens, P., Kuhnert, P., Christensen, H. and Mutters, R. 2003. Proposal of Histophilus
somni gen. nov. sp. nov. for the three species incertae sedis Haemophilus somnus, Haemophilus agni and
Histophilus ovis. Int. J. System. Evol. Microbiol. 53, 1449-1456.

1.37. Montes, M., Farto, R., Pérez, M. J., Nieto, R. P., Larsen, J. L. and Christensen, H. 2003.
Characterization of Vibrio strains isolated from turbot (Scophtalmus maximus) culture by phenotytic
analysis, ribotyping and 16S rRNA gene sequence comparison. J. Appl. Microbiol. 129, 78-84.

1.38. Kuhnert, P., Berthoud, H., Christensen, H., Bisgaard, M. and Frey, J. 2003. Phylogenetic relationship
of equine Actinobacillus species and distribution of RTX toxin genes among clusters. Vet. Res. 34, 353-359.

1.39. Christensen, H., Foster, G., Christensen, J. P., Pennycott, T., Olsen, J. E. and Bisgaard, M. 2003.
Phylogenetic analysis by 16S rRNA sequence comparison of avian taxa of Bisgaard and characterization and
description of two new taxa of Pasteurellaceae J. Appl. Microbiol. 95, 354-363.

1.40. Bojesen, A. M., Christensen, H., Nielsen, O. L., Olsen, J. E. and Bisgaard, M. 2003. Detection of
Gallibacterium spp. in chickens by fluorescent 16S rRNA in situ hybridization assay. J. Clin. Microbiol. 41,
5167-5172.

1.41. Christensen, H., Bisgaard, M., Aalbæk, B. and Olsen, J. E. 2004. Reclassification of Bisgaard taxon 33
with proposal of Volucribacter psittacicida gen.nov., sp. nov. and Volucribacter amazonae as new members
of Pasteurellaceae. Int. J. Syst. Evol. Microbiol. 54, 813-818.

1.42. Christensen, H. and Bisgaard, M. 2004. Revised definition of Actinobacillus sensu stricto isolated from
animals. A review with special emphasis on diagnosis. Vet. Microbiol. 99, 13-30.

1.43. Christensen, H., Angen, Ø., Olsen, J. E. and Bisgaard, M. 2004. Genotypical characterization of
atypical isolates of Pasteurella multocida and revised description of P. multocida to include phenotypic
variants previously classified as biovar 2 of P. canis and P. avium. Microbiology 150, 1757-1767.

1.44. Christensen, H., Kuhnert, P., Olsen, J. E. and Bisgaard, M. 2004. Comparative phylogeny between the
housekeeping genes atpD, infB, rpoB and 16S rDNA within Pasteurellaceae. Int. J. Syst. Evol. Microbiol.
54, 1601-1609.

1.45. Korczak, B., Christensen, H., Emler, S., Frey, J. and Kuhnert, P. 2004. Phylogeny of the family
Pasteurellaceae based on partial rpoB gene sequences. Int. J. Syst. Evol. Microbiol. 54, 1393-1399.

1.46. Guardabassi, L., Christensen, H., Hasman, H. and Dalsgaard, A. 2004. Members of the genera
Paenibacillus and Rhodococcus harbour genes homologous to enterococcal glycopeptide resistance genes
vanA and vanB. Antimicrobial Agents and Chemotherapy 48, 4915-4918.

1.47. Chadfield, M., Christensen, J. P., Christensen, H. and Bisgaard, M. 2004. Characterisation of
streptococci and enterococci associated with septicaemia in broiler parents with a high prevalence of
endocarditis. Avian Pathol. 33, 610-617.

1.48. Otim, M. O., Mukiibi, G. M., Christensen, H. and Bisgaard, M. 2004. Aflatoxicosis, infectious bursal
disease and immune response to Newcastle disease vaccination in rural chickens. Avian Pathol. 34, 319-23.

1.49. Otim, M. O., Christensen, H., Jørgensen, P. H., Handberg, K. J. and Bisgaard M. 2004. Molecular
characterization and phylogenetic study of Newcastle disease virus isolates from recent outbreaks in Eastern
Uganda. J. Clin. Microbiol. 42, 2802-2805.

1.50. Dziva, F., Christensen, H., Leengoed, L. A. M. G., Mohan K. and Olsen, J. E. 2004. Differentiation of
Pasteurella multocida from cases of atrophic rhinitis in pigs from Zimbabwe by RAPD and ribotyping. Vet.
Microbiol. 102, 117-122.

1.51. N›rskov-Lauritsen, N., Christensen, H., Okkels, H., Kilian, M. and Bruun, B. 2004. Delineation of the
genus Actinobacillus by comparison of partial infB sequences. Int. J. Syst. Evol. Microbiol. 54, 635-644.

1.52. Christensen, H., Kuhnert, P., Bisgaard, M., Mutters, R., Dziva, F. and Olsen J. E. 2005. Emended
description of porcine [Pasteurella] aerogenes, [Pasteurella] mairii and [Actinobacillus] rossii. Int. J.
System. Evol. Microbiol. 55, 209-223.

1.53. Bisgaard, M., Christensen, H., Behr, K.-P., Baron, G. and Christensen, J. P. 2005. Investigations on the
clonality of isolates of Pasteurella gallinarum obtained from turkeys in Germany. Avian Pathol. 34, 106-
110.

1.54. Blackall, P. J., Christensen, H., Beckenham, T., Blackall, L. L. and Bisgaard, M. 2005. Reclassification
of Pasteurella gallinarum, [Haemophilus] paragallinarum, Pasteurella avium and Pasteurella volantium as
Avibacterium gallinarum gen. nov., comb. nov., Avibacterium paragallinarum comb. nov., Avibacterium
avium comb. nov. and Avibacterium volantium comb. nov. Int. J. System. Evol. Microbiol. 55, 353-362.

1.55. Chadfield, M., Christensen, J. P., Juhl-Hansen, J., Christensen, H. and Bisgaard, M. 2005.
Characterisation of Enterococcus hirae outbreaks in broiler flocks demonstrating increased mortality due to
septicaemia and endocarditis and/or altered production parameters. Avian Dis. 49, 16-23.

1.56. Christensen, H., Bisgaard, M., Angen, Ø., Frederiksen, W. and Olsen, J. E. 2005. Characterization of
sucrose negative variants of Pasteurella multocida including isolates from large cat bite-wounds. J. Clin.
Microbiol. 43, 259-270.

1.57. Rasch, M., Andersen, J. B., Nielsen, K. F., Flodgaard, L. R., Christensen, H., Givskov, M. and Gram,
L. 2005. Involvement of bacterial quorum sensing signals in spoilage of bean sprouts. Appl. Environ.
Microbiol. 71, 3321-30.

1.58. Mayor, D., Korczak, B. M., Christensen, H., Bisgaard, M., Frey, J. and Kuhnert, P. 2006. Distribution
of RTX toxin genes in strains of [Actinobacillus] rossii and [Pasteurella] mairii. Vet. Microbiol. 116, 194-
201.

1.59. Bojesen, A. M., Christensen, H., Nielsen, S. S., Bisgaard, M. 2007. Host-specific bacterial lineages in
the taxon 2 and 3 complex of Pasteurellaceae. Syst. Appl. Microbiol. 30, 119-127.

1.60. Christensen, H., Hommez, J., Olsen, J. E. and Bisgaard, M. 2006. [Pasteurella] caballi infection not
limited to horses - a closer look at Taxon 42 of Bisgaard. Lett. Appl. Microbiol. 43, 424-9

1.61. Olsen, J. E., Christensen, H. and Aarestrup, F. M. Diversity and evolution of blaZ from Staphylococcus
aureus and coagulase-negative staphylococci. J. Antimicrob. Chemother. 2006, 57, 450-460.

1.62. Poulsen, L. L., Reinert, T. M., Sand, R. L., Bisgaard, M., Christensen, H., Olsen, J. E., Stuen, S. &
Bojesen, M. 2006. Occurrence of haemolytic Mannheimia spp. in apparently healthy sheep in Norway. Acta
Veterinaria Scandinavica 40, 70.

1.63. Otim, M. O., Christensen, H., Mukiibi, G. M. and Bisgaard, M. 2006. A preliminary study of the role
of ducks in the transmission of Newcastle disease virus to in-contact rural free-range chickens. Trop. Anim.
Health Prod. 38, 285-289.

1.64. Chadfield, M. S., Christensen, J. P., Decostere, A., Christensen, H. and Bisgaard, M. 2007. Geno- and
phenotypic diversity of avian isolates of Streptococcus gallolyticus subsp. gallolyticus (Streptococcus. bovis)
and associated diagnostic problems. J. Clin. Microbiol. 45, 822-827.

1.65. Otim, M. O., Kabagambe, E. K, Mukiibi, G. M., Christensen, H. and Bisgaard, M. 2007. A prospective
study of risk factors for Newcastle disease in rural free-range chickens. Trop. Anim. Health Prod. 39, 27-35.

1.66. Christensen, H., Kuhnert, P., Busse, H.-J., Frederiksen, W. and Bisgaard, M. 2007. Proposed minimal
standards for the description of genera, species and subspecies of the Pasteurellaceae. Int. J. Syst. Evol.
Microbiol. 57, 166-178.

1.67. Kuhnert, P., Korczak, B., Christensen, H. and Bisgaard, M. 2007. Emended description of
Actinobacillus capsulatus Arseculeratne 1962, 38AL. Int. J. Syst. Evol. Microbiol. 57, 625-632.

1.68. Blackall, P. J., Bojesen, A. M., Christensen, H. and Bisgaard, M. 2007. Reclassification of
[Pasteurella] trehalosi as Bibersteinia trehalosi gen. nov., comb. nov. Int. J. Syst. Evol. Microbiol. 57, 666-
674.

1.69. Larsen, J., Christensen, H., Bisgaard, M., Angen, Ø., Ahrens, P. and Olsen, J. E. 2007. Tracing the
origin and evolution of the leukotoxin operon in genus Mannheimia. J. Mol. Evol. 64, 423-437.

1.70. Malik, S., Christensen, H., Peng, H. and Barton, M. D. 2007. Presence and diversity of beta-lactamase
gene in feline and canine staphylococci. Vet. Microbiol. 123, 162-168.

1.71. Bojesen, A. M., Vazquez, M. E., Robles, R., Gonzalez, C., Sopriano, E. V., Olsen, J. E., and
Christensen, H. 2007. Specific identification of Gallibacterium by a PCR using primers targeting the 16S
rRNA and 23S rRNA genes. Vet. Microbiol. 123, 262-268.

1.72. Bisgaard. M., Christensen, J. P., Bojesen, A. M. and Christensen, H. 2007. Classification of
Avibacterium endocarditidis sp. nov. isolated from valvular endocarditis in chickens. Int. J. Syst. Evol.
Microbiol. 57, 1729-1734.

1.73. Aalb‘k, B.,stergaard, S., Buhl, R., Jensen, H. E., Christensen, H. and Bisgaard, M. 2007.
Actinobacillus equuli subspecies equuli associated with equine valvular endocardititis. APMIS 115, 1437-
1442.

1.74. Dziva, F.,Muhairwa, A., Bisgaard, M. and Christensen, H. 2008. Diagnostic and typing options for
investigating diseases associated with Pasteurella multocida. Vet. Microbiol. 128, 1-22.

1.75. Larsen, J., Kuhnert, P., Frey, J., Christensen, H. Bisgaard, M. & Olsen, J. E. 2008. Analysis of gene
order data supports vertical inheritance of the leukotoxin operon and genome rearrangements in the 5’
flanking region in genus Mannheimia. BMC Evolutionary Biology 7, 184.

1.76. Olsen, K. N., Henriksen, M., Bisgaard, M., Nielsen, O. L. & Christensen, H. 2008. Investigation of
Gastro Intestinal Bacterial Communities of Broilers by 16S rRNA targeted Fluorescence in situ
Hybridization. Antonie van Leeuwenhoek 94, 423-437.

1.77. Petersen, A., Chadfield, M. S., Christensen, J. P., Christensen, H. & Bisgaard, M. 2008.
Small colony variants of Enterococcus faecalis isolated from chickens with amyloid arthropathy. J. Clin.
Microbiol. 46, 2686-2692.

1.78. Bisgaard, M., Korczak, B. M., Busse, H.-J., Kuhnert, P., Bojesen, A. M. & Christensen, H. 2009.
Classification of the taxon 2 and taxon 3 complex of Bisgaard with Gallibacterium and description of
Gallibacterium melopsittaci sp. nov., Gallibacterium trehalosifermentans sp. nov. and Gallibacterium
salpingitidis sp. nov. Int. J. Syst. Evol. Microbiol. 59, 735-744.

1.79. Petersen, A., Christensen, H., Philipp, H.-C. & Bisgaard, M. 2009. Clonality of Enterococcus faecalis
associated with amyloid arthropathy in chickens evaluated by multi locus sequence typing (MLST)
Vet. Microbiol. 134, 392-395.

1.80. Gregersen, R.H., Neubauer, C., Christensen, H., Bojesen, A.M., Hess, M., & Bisgaard, M. 2009.
Comparative studies on [Pasteurella] testudinis and [Pasteurella] testudinis-like bacteria and proposal of
Chelonobacter oris gen. nov., sp. nov. as a new member of the Pasteurellaceae. Int. J. Syst. Evol.
Microbiol. 59, 1583-1588.

1.81. Hedegaard, L., Christensen, H., Chadfield, M.S., Christensen, J.P. & Bisgaard, M. 2009. Streptococcus
pluranimalium demonstrated as a new avian pathogen associated with valvular endocarditis and septicaemia
in adult broiler parents. Av. Pathol. 38, 155-160.

1.82. Trobos, M., Christensen, H., Sunde, M., Nordentoft, S., Agersø, Y., Simonsen, G.S., Hammerum,
A.M. & Olsen, J. E. 2009. Characterization of sulphonamide-resistant Escherichia coli using comparison of
sul2 gene sequences and multilocus sequence typing. Microbiology 155, 831-836.

1.83. Larsen, J., Pedersen, A.G., Davies, R.L., Kuhnert, P., Frey, J., Christensen, H., Bisgaard, M., Olsen,
J.E. 2009. Evolution of the leukotoxin promoter in genus Mannheimia. BMC Evolutionary Biology 9, 121.

1.84. Petersen, A., Christensen, H., Kodjo, A., Weiser, G. & Bisgaard, M. 2009. Development of a
multilocus sequence typing (MLST) scheme for Mannheimia haemolytica and assessment of the population
structure of isolates obtained from cattle and sheep. Infection, Genetics and Evolution 9, 626-632.

1.85. Christensen, H., Blackall, P. & Bisgaard, M. 2009. Phylogenetic relationships of unclassified, satelletic
Pasteurellaceae obtained from different species of birds as demonstrated by 16S rRNA
gene sequence comparison. Res. Microbiol. 160, 315-321.

1.86. Henriksen, M., Bisgaard, M., Francesch, M., Gabriel, I. & Christensen, H. 2009. Evaluation of PCR
and DNA sequencing for direct detection of Clostridium perfringens in the intestinal tract of broilers. Av.
Dis. 53, 441-448.

1.87. Vries, L. E. de, Christensen, H., Skov,R. L., Aarestrup, F. M. and Agersø, Y. 2009. Diversity of the
tetracycline resistance gene tet(M) and identification of Tn916- and Tn5801-like (Tn6014) transposons in
Staphylococcus aureus from human and animals. J. Antimicrobial. Chemoth. 64, 490-500.
DOI: 10.1093/jac/dkp214

1.88. Christensen, H. & Bisgaard, M. 2010. Phylogenetic relationships of Riemerella anatipestifer serovars
and related taxa as demonstrated by comparison of partial rpoB and 16S rRNA gene sequences and
correlation between sequence aided identification and specific PCR tests reported for R. anatipestifer. J.
Appl. Microbiol. 108, 1612-9.

1.89. Gregersen, R.H., Neubauer, C., Christensen, H., Korczak, B., Bojesen, A.M., Hess, M. & Bisgaard, M.
2010. Characterization and possible host specificity of Pasteurellaceae-like bacteria isolated from clinically
affected psittacine birds. J. Appl. Microbiol. 108, 1235-43.

1.90. Christensen, H. & Bisgaard, M. 2010. Molecular classification and its impact on diagnostics and
understanding the phylogeny and epidemiology of selected members of Pasteurellaceae of veterinary
importance. Berliner und Münchener Tierärztliche Wochenschrift 123, 20-30.

1.91. Kiilerich, A. M., Christensen, H. & Thamsborg, S. M. 2009. Anaplasma phagocytophilum in Danish
sheep: confirmation by DNA sequencing. Acta Vet. Scand. 51:55.

1.92. Bisgaard, M., Bojesen, A. M., Christensen, J. P., and Christensen, H. 2010. Observations on the
incidence and aetiology of valvular endocarditis in broiler breeders and detection of a newly described taxon
of Pasteurellaceae, Avibacterium endocarditidis. Avian Pathol. 39, 177-181.

1.93. Litrup, E., Torpdahl, M., Malorny, B., Huehn , S., Helms, M., Christensen, H. & Nielsen, E. M. 2010.
DNA microarray analysis of Salmonella enterica serovar Typhimurium strains causing different symptoms
of disease. BMC Microbiology 10:96. http://www.biomedcentral.com/1471-2180/10/96.
doi:10.1186/1471-2180-10-96

1.94. Gregersen, R. H., Christensen, H., Ewers, C. & Bisgaard., M. 2010. Impact of Nobilis Escherichia coli
inac vaccine on parent stock mortality, first week mortality of broilers, and population diversity of E. coli in
vaccinated flocks. Avian Pathology 39, 287-295.

1.95. Petersen, A., Bisgaard, M. & Christensen, H. 2010. Detection of Enterococcus faecalis ST82
associated with amyloid arthropathy by real-time PCR. Lett. Appl. Microbiol. 51, 61-64.

1.96. McFadden, A. M. J., Christensen, H., Hill, F., Gill, J., Fairley, R., Keeling, S. & Spence, R. P. 2011.
Outbreaks of pleuritis and peritonitis in calves caused by Pasteurella multocida capsular type B and E
strains. New Zealand Veterinary Journal 59, 40-45.

1.97. Gregersen, R. H., Petersen, A., Christensen, H. and & Bisgaard, M. 2010. Multilocus Sequence Typing
of Enterococcus faecalis isolates demonstrating different lesion types in broiler breeders. Avian Pathol. 39,
435-40.

1.98. Jaglic, Z., Jeklova, E., Christensen, H., Leva, L., Register, K., Kummer, V., Kucerova,Z., Faldyna, M.,
Maskova, J. & Nedbalcova, K. 2011. Host response in rabbits to infection with Pasteurella multocida
serogroup F strains originating from fowl cholera. Canadian Journal of Veterinary Research 75, 200-208.

1.99. Litrup, E., Christensen, H., Nordentoft, S., Nielsen, E. M.,Davies, R. H., Helmuth, R. & Bisgaard, M.
2010. Multiple-locus variable-number tandem-repeat analysis (MLVA) typing of Salmonella Typhimurium
DT41 broiler breeder infections. J. Appl. Microbiol. 109, 2032-8.

1.100. Litrup, E., Torpdahl, M., Malorny, B., Huehn , S., Christensen, H. & Nielsen, E. M. 2010. Association
between phylogeny, virulence potential and serovars of Salmonella enterica. Infection, Genetics and
Evolution. 10, 1132-9.

1.101. Christensen, H., Bojesen, A. M. & Bisgaard, M. 2011. Mannheimia caviae sp. nov., isolated from
epidemic conjunctivitis and otitis media in guinea pigs. Int. J. Syst. Evol. Microbiol. 61, 1699-1704.

1.102. Christensen, H., Korczak, B.M., Bojesen, A.M., Kuhnert, P., Frederiksen, W.C. & Magne Bisgaard,
M. 2011. Classification of organisms previously reported as the SP- or Stewart-Letscher group with
Necropsobacter gen. nov., and description of a new species Necropsobacter rosorum, sp. nov., for
organisms of the SP-group. Int. J. Syst. Evol. Microbiol. 61, 1829-1836.

1.103. Pors, S.E., Hansen, M.S., Christensen, H., Bisgaard, M., Jensen, H.E. & Petersen, A. 2011. Genetic
diversity of Pasteurella multocida from porcine pneumonia as demonstrated by pulsed-field gel
electrophoresis and multi locus sequence typing. Vet. Microbiol. 150, 354-361.

1.104. Bisgaard, M. & Christensen, H. 2012. Classification of avian haemolytic Actinobacillus-like
organisms (Bisgaard taxon 26) associated with anseriforme birds as Actinobacillus anseriformium sp. nov.
IJSEM 62, 352-358.

1.105. Blackall, P.J., Christensen, H. & Bisgaard, M. 2011. Unusual growth variants of Avibacterium
paragallinarum. Australian Veterinary Journal 89, 273-275.

1.106. Yongolo, M.G.S., Christensen, H., Handberg, K., Minga, U. & Olsen, J.E. 2011. On the origin and
diversity of Newcastle disease virus in Tanzania. Onderstepoort J. Vet. Res. 78 (1). doi:10.4102/ojvr. v78i1.312

1.107. Alispahic, M., Christensen, H., Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M. 2011.
Identification of Gallibacterium species using matrix-assisted laser desorption ionization-time-of-flight mass
spectrometry and multilocus sequence analysis. Int. J. Med. Microbiol. 301, 513-22.

1.108. Vries, L.E de, Vallès, Y., Agersø, Y., Vaishampayan, P.A., García-Montaner, A., Kuehl, J.V.,
Christensen, H., Barlow, M. & Francino, M.P. 2011. The Gut as Reservoir of Antibiotic Resistance:
Microbial Diversity of Tetracycline Resistance in Mother and Infant. PLoS ONE 6, e21644.

1.109. Olsen, R.H., Stockholm, N.M., Permin, A., Christensen, J.P., Christensen, H. & Bisgaard, M. 2011.
Multi Locus Sequence Typing (MLST) and plasmid profile characterization of avian pathogenic Escherichia
coli associated with increased mortality in free-range layer flocks. Avian Pathology 40, 437-444.

1.110. Olsen, R. H., Chadfield, M., Christensen, H. & Bisgaard, B. 2011. Clonality and virulence traits of
Escherichia coli associated with hemorrhagic septicaemia in turkeys. Av. Pathol. 40, 587-95.

1.111. Christensen, H., Bertelsen, M.F., Bojesen, A.M. & Magne Bisgaard, M. 2012. Classification of
Pasteurella sp. B as Pasteurella oralis sp. nov. Int J Syst Evol Microbiol 62, 1396-1401.

1.112. Olsen, R.H., Frantzen, C., Christensen, H. & Bisgaard, M. 2012. An investigation on first-week
mortality in layers. Av. Dis. 56, 51-57.

1.113. Fertner, M.E., Olsen, R.H., Bisgaard, M. & Christensen, H. 2011. Transmission and genetic diversity
of Enterococcus faecalis among layer chickens during hatch. Acta Vet. Scand. 53:56.

1.114. Olsen, R.H., Sch›nheyder, H.C, Christensen, H. & Bisgaard, M. 2011. Enterococcus faecalis of
human and poultry origin share virulence genes supporting the zoonotic potential of E. faecalis. Zoonoses
and Public Health 59, 256-63.

1.115. Byarugaba, D., Minga, U., Gwakisa, P., Katunguka-Rwakishaya, E., Christensen, H., Bisgaard, M. &
Olsen, J. E. 2011. Demonstration of antibiotic resistance genes strA, blaTEM, tetA, tetC and sul2 in
Avibacterium paragallinarum. African Journal of Microbiology Research. 5, 22, p. 3624-3627.

*1.116. Bisgaard, M., N›rskov-Lauritsen, N., de Wit, J.J., Hess, C. & Christensen, H. 2012.
Multilocus sequence phylogenetic analysis of Avibacterium. Microbiology 158, 993-1004.

1.117. Kuhnert, P., Bisgaard, M., Korczak, B.M., Schwendener, S., Christensen, H. & Frey, J. 2012.
Identification of Animal Pasteurellaceae by MALDI-TOF Mass Spectrometry. J. Mic. Methods 89, 1-7.

1.118. Nissen, S., Al-Jubury, A., Hansen, T.V.A., Olsen, A., Christensen, H., Thamsborg, S. M. & Nejsum,
P. (2012). Genetic variation of the ITS-2 region of whipworms Trichuris spp. obtained from humans and
pigs. Vet. Parasit. 188, 68-77.

1.119. Olsen, R.H., Christensen, H. & Bisgaard, M. 2012. Comparative genomics of multiple plasmids from
APEC associated with clonal outbreaks demonstrates major similarities and identifies several potential
vaccine-targets. Vet. Microbiol. 158, 384-393.

1.120. Rubbenstroth, D., Ryll, M., Hotzel, H., Christensen, H., Knobloch, J. K-M., Rautenschlein, S. &
Bisgaard, M. 2013. Description of Riemerella columbipharyngis sp. nov., isolated from the pharynx of
healthy domestic pigeons (Columba livia f. domestica) Int J Syst Evol Microbiol. 63, 280-7.

1.121. de Vries, L.., Christensen, H., Agersoe, Y. 2012. The diversity of inducible and constitutively
expressed erm(C) genes and association to different replicon types in staphylococci plasmids. Mobile
Genetic Elements 2:2, 72-80.

1.122. Olsen, R. H., Henrik Christensen, H. & Bisgaard, M. 2012. Transmission and genetic diversity of
Enterococcus faecalis during hatch of broiler chicks. Vet. Microbiol. 160, 214-21.

1.123. Alispahic, M., Christensen, H., Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M. 2012.
MALDI-TOF mass spectrometry confirms clonal lineages of Gallibacterium anatis between chicken flocks.
Vet. Micro. 160, 269-273.

1.124. Hansen, M. J., Bertelsen, M. F., Christensen, H., Bisgaard, M. & Bojesen, A. M. 2012. Occurrence of
Pasteurellaceae bacteria in the oral cavity of selected marine mammal species. Journal of Zoo and Wildlife
Medicine 43, 828-35.

1.125. Bertelsen, M. F., Bojesen, A. M., Bisgaard, M., Petersen, A. and Christensen, H. 2012. Pasteurella
multocida carriage in red-necked wallabies (Macropus rufogriseus). Journal of Zoo and Wildlife Medicine
43, 726.9.

1.126. Benga, L., Benten, W. P. M., Engelhardt, E., Christensen, H. & Sager, M. 2012. Analysis of 16S-23S
rRNA internal transcribed spacer regions in Pasteurellaceae isolated from laboratory rodents. J. Mic.
Methods 90, 342-9.

1.127. Kastelic, S., Ber?i?, R.L., Cizelj, I., Ben?ina, M., Makrai, L., Rojs, O.Z., Narat, M., Bisgaard, M.,
Christensen, H., & Ben?ina, D. 2013. Ornithobacterium rhinotracheale has neuraminidase activity causing
desialylation of chicken and turkey serum and tracheal mucus glycoproteins. Vet. Microbiol. 162, 707-12.

1.128. Bisgaard, M. , A.M.Bojesen, M. R. Petersen & H. Christensen. 2012. A major outbreak of
Streptococcus equi subsp. zooepidemicus infections in free range chickens is linked to horses. Av. Dis. 56,
561-6.

1.129. Timsit, E., Christensen, H., Bareille, N., Seegers, H., Bisgaard, M. & Assié, S. 2013. Transmission
dynamics of Mannheimia haemolytica in newly-receivedbeef bulls at fattening operations. Vet. Micro. 161,
295-304.

*1.130. Pires-dos-Santos, T., Bisgaard, M. & Christensen, H. 2013. Genetic diversity and virulence
profiles of Escherichia coli causing salpingitis and peritonitis in broiler breeders. Veteterinary
Microbiology, 162, 873-880.

1.131. Hansen, M., Bertelsen, M.F., Christensen, H., Bojesen, A.M. & Bisgaard, M. 2012. Otariodibacter
oris, gen. nov., sp. nov., a member of the family Pasteurellaceae isolated from the oral cavity pinniopeds.
IJSEM 62, 2572-8.

1.132. Bisgaard, M., Petersen, A. & Christensen, H. 2013. Multilocus sequence analysis of Pasteurella
multocida demonstrates a type species under development. Microbiology 159, 580-590.

1.133. Cariou, N., Christensen, H., Salandre, O., Albaric, O., Bisgaard, M. & Malher, X. 2013. Genital form
of pasteurellosis in breeding turkeys infected during artifical insemination, and isolation of an unusual strain
of Pasteurella multocida.Av. Dis. 57, 693-697.

1.134. Adhikary, S., Bisgaard, M., Foster, G., Kiessling, N., Fahlén, A.R., Olsen, J.E., & Christensen, H.
2013. Comparative study of PCR methods to detect Pasteurella multocida. Berliner und Münchener
Tierärztliche Wochenschrift 126, 415-422.

*1.135. Barua, H., Lindblom, I.L., Bisgaard, M., Christensen, J.P., Olsen, R.H. & Christensen, H. 2013. In
vitro and in vivo investigation on genomic stability of Salmonella enterica Typhimurium DT41 obtained
from broiler breeders in Denmark. Vet. Microbiol. 166, 607-616.

1.136. Pires-dos-Santos, T., Bisgaard, M., Kyvsgaard, N. & Christensen, H. 2014. Occurrence of weak
mutators among avian pathogenic Escherichia coli (APEC) isolates causing salpingitis and peritonitis in
broiler breeders. Vet. Microbiol. 168, 141-147.

1.137. Kudirkiene E, Christensen H, Bojesen AM. 2013. Draft Genome Sequence of Gallibacterium anatis
bv. haemolytica 12656-12 Liver, an Isolate Obtained from the Liver of a Septicemic Chicken.
Genome Announc. 1(5). doi:pii: e00810-13. 10.1128/genomeA.00810-13.

1.138. da Piedade I, Skive B, Christensen H, Bojesen AM. 2013. Draft Genome Sequence of Streptococcus
equi subsp. zooepidemicus Strain S31A1, Isolated from Equine Infectious Endometritis. Genome Announc.
1(5). doi:pii: e00683-13. 10.1128/genomeA.00683-13.

1.139. Bozena M. Korczak, Magne Bisgaard, Henrik Christensen, and Peter Kuhnert. 2014.
Frederiksenia canicola gen. nov., sp. nov. isolated from dogs and human dog-bite wounds. Antonie van
Leeuwenhoek 105, 731-41,

1.140. Schroll, C., Christensen, J.P., Christensen, H., Pors, S.E., Thorndahl, L., Jensen, P.R., Olsen, J.E. &
Jelsbak, L. 2014. Polyamines are essential for virulence in Salmonella enterica serovar Gallinarum despite
evolutionary decay of polyamine biosynthesis genes. Vet. Microbiol. 170, 144-150.

1.141. Petersen, A., Bisgaard, M., Townsend, K. & Christensen, H. 2014. MLST typing of Pasteurella
multocida associated with haemorrhagic septicaemia and development of a real-time PCR specific for
haemorrhagic septicaemia associated isolates. Vet. Microbiol. 170, 355-41.

1.142. Olsen, R. H., Bisgaard, M., Löhren, U., Robineau, B. & Christensen, H. 2014. Extended spectrum
beta lactamase (ESBL) producing Escherichia coli isolated from poultry: a review of current problems,
illustrated with some laboratory findings. Av. Pathol. 43, 199-208.

1.143. Alispahic, M., Christensen, H., Bisgaard, M., Hess, M. & Hess, C. 2014, MALDI-TOF MS confirms
difficulties in separating species of the Avibacterium genus Av. Pathol. 43, 258-263.

1.144. Deng, X., Zheng, X., Yang, H., Moreira, J.M.A.,Brünner, N. & Christensen, H. 2014. Comparative
analysis of evolutionarily conserved motifs of epidermal growth factor receptor 2 (HER2) predicts novel
potential therapeutic epitopes. PLOS ONE 9:e106448. 6448. eCollection 2014.

1.145. Christensen, H., Nicklas, W. & Bisgaard, M. (2014). Mesocricetibacter intestinalis gen. nov., sp. nov.
and Cricetibacter osteomyelitidis gen. nov., sp. nov. Int. J. System. Evol. Microbiol. 64, 3636–3643.

1.146. Hansen, M.J., Bertelsen, M.F., Christensen, H. & Bojesen, A.M. 2015. 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. Int J Syst Evol Microbiol. 65,
388-92.

1.147. Olsen, R. H., I. C. N. Thofner, S. E. Pors, H. Christensen, M. Bisgaard, and J. P. Christensen. Draft genome sequences of three Escherichia coli strains with different in vivo pathogenicities in an avian (ascending) infection model of the oviduct. Genome Announc. 3: 3. e00399-15. 2015.

1.148. Noor Uddin, G.M., Larsen, M.H., Christensen, H., Aarestrup, F.M., Phu, T.M. & Dalsgaard, A.
(2015). Identification and antimicrobial resistance of bacteria isolated from probiotic products used in
shrimp culture. PLoS ONE 10(7): e0132338.

1.149. Nicklas, W., Bisgaard, M., Aalb‘k, B., Kuhnert, P. & Christensen, H. 2015. Reclassification of
Actinobacillus muris as Muribacter muris gen. nov. comb. nov. IJSEM 65, 3344-51.

1.150. Hansen, M. J., Braaten, M. S., Bojesen, A. M., Christensen, H., Sonne, C., Rune Dietz, R. &
Bertelsen, M. F. 2015. 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. IJSEM 65, 3683-9.

1.151. Aalb‘k, B., Jensen, L. K., Jensen, H. E., Olsen, J. E., Christensen, H. 2015. Whole Genome
Sequence of Staphylococcus aureus S54F9 isolated from a Chronic Disseminated Porcine Lung Abscess and
used in Human Infection Models Genome
Announc. 3, e01207-15. 

1.152. Olsen, R. H., Bisgaard, M., Christensen, J. P., Kabell, S. & Christensen, H. 2016. Pathology and molecular characterization of Escherichia coli associated to the avian salpingitis-peritonitis disease syndrome. Av. Dis. 60, 1-7. 

1.153. Hansen, M.J.,ÿPennanen, E.A.,ÿBojesen, A.M.,ÿChristensen, H. &ÿBertelsen, M.F.. 2016. Testudinibacterÿaquarius gen. nov., sp. nov., a member of the family Pasteurellaceae isolated from the oral cavity of freshwater turtles. Int J Syst Evol Microbiol.ÿ66, 567-73.

1.154. Bisgaard, M., Xin, D., Bertelsen, M. F., Bojesen, M. F. & Christensen, H. 2017. Prevalence of taxa of Pasteurellaceae among populations of healthy captive psittacine birds. Av. Dis. 61, 102-106 .

1.155. Adhikary, S., Nicklas, W., Bisgaard, M., Boot, R., Kuhnert, P., Waberschek, T.,  Aalb‘k, B., Korczak, B. & Christensen. H. 2017. 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. Int. J. Syst. Evol. Microbiol. 67, 1793-1806.     

1.156. Adhikary, S., Bisgaard, M., Dagn‘s-Hansen, F. & Christensen, H. 2017. Clonal outbreaks of [Pasteurella] pneumotropica biovar Heyl in two mice colonies. Laboratory Animals in press. 

1.157. Jørgensen, S. L., Ladefoged Poulsen, L. L., Thorndal, L., Ronaghinia, A. A., Bisgaard, M. & Christensen, H. 2017. Characterization of Enterococcus faecalis isolated from the cloaca of "fancy breeds" and confined chickens. J. Appl. Microbiol. 122, 1149-58.

1.158. Poulsen, L. L. Th›fner, I., Bisgaard, M., Christensen, J. P., Olsen, R. H. & Christensen, H. 2017. Longitudinal study of transmission of Escherichia coli from broiler breeders to broilers. Vet. Micro. 207, 13-18. 

1.159. Massacci, F. R., Magistrali, C. F., Cucco, L., Curcio, L.,  Bano, L., Mangili, P., Scoccia, E., Bisgaard, M., Aalb‘k, B. & Christensen, H. 2018. Characterization of Pasteurella multocida involved in rabbit infections. Vet. Micro. 213, 66-72. 

1.160. Chun, J., Oren, A., Ventosa, A., Christensen, H., Arahal, D. R., Da Costa, M., Rooney, A. P., Yi, H., Xu, X.-W., De Meyer, S. & Trujillo, M. E. 2018. Minimal standards for the use of genome data for the taxonomy of prokaryotes. IJSEM 68, 461-466. 

1.161. Poulsen, L. L., Th›fner, I., Bisgaard, M., Olsen, R. H.,  Christensen, J. P. & Christensen H. 2017. Staphylococcus agnetis, a potential pathogen in the broiler breeders. Vet. Micro. 212, 1-2.   

1.162. Adhikary, S., Bisgaard, M., Nicklas, W. & Christensen, H. 2018.  Reclassification of Bisgaard taxon 5 as Caviibacterium pharyngocola gen. nov., sp. nov. and Bisgaard taxon 7 as  Conservatibacter flavescens gen. nov., sp. nov. IJSEM 68, 643-50.   

1.163. Boot, R., Nicklas, W. & Christensen, H. 2018. Revised taxonomy and nomenclature of rodent Pasteurellaceae: implications for monitoring. Lab. Anim. in print.

1.164. Benga, L., Sager, M. & Christensen, H. 2018. From the [Pasteurella] pneumotropica complex to Rodentibacter spp.: an update on [Pasteurella] pneumotropica. Vet. Microbiol. 217, 121-134. 

1.165. Olsen, R. H., Christensen, H., Kabell, S. & Bisgaard, M. 2018. Characterization of prevalent bacterial pathogens associated with pododermatitis in table egg layers. Av. Pathol. accepted. 


2. Thesis
2.1. Christensen, H. 1987. Bacterial growth in the rhizosphere. Master thesis. Copenhagen University.
2.2. Christensen, H. 1991. Bacterial growth in the rhizosphere. Ph. D. thesis. Copenhagen University.
2.3. Christensen, H. 2005. Systematics of selected members of the bacterial family Pasteurellaceae
associated with animals. Thesis. Doctoral of Veterinary Science. The Royal Veterinary and Agricultural
University, Copenhagen.

Monographs in books
3.1. Christensen, H. and Christensen, S. 1995. 3H thymidine incorporation technique to determine soil
bacterial growth rate, pp. 258 – 261, In: Methods in Applied Soil Microbiology and Biochemistry. Eds. Alef,
K. and Nannipieri, P. Acad. Press., London.

3.2. Christensen, H., Bisgaard, M., Larsen, J. and Olsen, J. E. 2003. PCR-detection of Haemophilus
paragallinarum, H. somnus, Mannheimia (Pasteurella) haemolytica, Mannheinia spp., P. trehalosi and P.
multocida. In: PCR detection of microbial animal pathogens. Eds. Frey, J. and Sachse, K. pp. 257-274.
Methods in Molecular Biology-series, Humana Press, Tatowa.

3.3. Mutters, R., Christensen, H. and Bisgaard, M. 2005. Genus Pasteurella Trevisan 1887, 94, AL Nom.
Cons. Opin. 13, Jud. Comm. 1954. In Bergey’s Manual of Systematic Bacteriology 2nd ed, Ed. Garrity, G.
Springer-Verlag, New York.

3.4. Christensen, H. and Bisgaard, M. 2006. The Genus Pasteurella In: The Prokaryotes. 3rd ed. vol. 6, pp.
1062-1090. Eds. Dworkin, M., Falkow, S., Rosenberg, E., Schleifer, K.-H., and Stackebrandt, E. Springer,
New York.

3.5. Christensen, H. and Bisgaard, M. 2008. Taxonomy and biodiversity of members of Pasteurellaceae pp.
1-26. In Kuhnert, P and Christensen, H. Pasteurellaceae, Biology, genomics and molecular aspects. Caister
Acad. Press.

3.6. Dziva, F. & Christensen, H. 2011. Pasteurella. In: Molecular detection of human bacterial pathogens.
ISBN 9781439812389. Edited by Dongyou Liu. Chapter 81. CRC, Taylor and Francis.

3.7. Christensen, H., Kuhnert, P., Nørskov-Lauritsen, N., Planet, P.J., & Bisgaard, M. 2014. Family
Pasteurellaceae. In The Prokaryotes 4th ed. Vol. 9, pp. 535-564. Erko Stackebrandt, Eugene Rosenberg, Ed
Delong, Steven Lory, and Fabiano Thompson. Springer, New York.

3.8. Christensen, H., Blackall, P. K. & Bisgaard, M. 2016. Pasteurellaceae: Pasteurella, Avibacterium, Gallibacterium species. In A laboratory manual for the isolation, identification and characterization of avian pathogens. 6th ed. Pp. 85-98. Edited by Williams, S. M., Dufour-Zavala, L., Jackwood, M., Lee, M. W., Lupiani, B., Reed, W. M., Spackman, E. & Woolcock, P. R. American Association of Avian Pathologists. Jacksonville, FL. 

3.9. Christensen, H. & Bisgaard, M. 2016. Members of Streptococcus and Enterococcus associated with disease in poultry. In A laboratory manual for the isolation, identification and characterization of avian pathogens. 6th ed. Pp. 127-137. Williams, S. M., Dufour-Zavala, L., Jackwood, M., Lee, M. W., Lupiani, B., Reed, W. M., Spackman, E. & Woolcock, P. R. American Association of Avian Pathologists. Jacksonville, FL. 

Minutes of meetings
4.1. Kuhnert, P. and Christensen, H. 2006. International Committee on Systematics of Prokaryotes;
Subcommittee on the taxonomy of the Pasteurellaceae: Minutes of the meetings, 25 July 2005, San
Francisco, CA, USA. Int. J. Syst. Evol. Microbiol. 56, 675 - 676.

4.2. Kuhnert, P. and Christensen, H. 2009. International Committee on Systematics of Prokaryotes;
Subcommittee on the taxonomy of Pasteurellaceae : Minutes of the meetings, 6 August 2008, Istanbul,
Turkey Int. J. Syst. Evol. Microbiol. 59, 202-203;

4.3. Kuhnert, P. and Christensen, H. 2012. International Committee on Systematics of Prokaryotes;
Subcommittee on the taxonomy of Pasteurellaceae: Minutes of the meetings, 25 August 2011, Elsingore,
Denmark. Int. J. Syst. Evol. Microbiol. 62, 257-8.

4.4. Kuhnert, P. & Christensen, H. 2014. International Committee on Systematics of Prokaryotes:
Subcommittee on the taxonomy of Pasteurellaceae: Minutes of the meetings, 15 May 2014, Prato, Italy. Int J
Syst Evol Microbiol. 65, 1088-9.

Proceeding reports
5.1. Christensen, H. 1989. Specific growth rate determination of rhizosphere bacteria: evaluation of rootcolonizing ability based on the tritiated-thymidine method, pp. 207-212. In: Interrelationships between
microorganisms and plants in soil. Eds. Vancura, V. and Kunc, R. Academia, Praha.

5.2. Christensen, H. 1991. Conversion factors relating thymidine uptake to growth rate with rhizosphere
bacteria, pp. 99 - 102. In: The Rhizosphere and Plant Growth. Eds. Keisler, D. L., and Gregan, P. B. Kluwer
Acad., Dordrecht.

5.3. Olsen, J. E., Baggesen, D. L., Christensen, H. and Platt, D. J. 1997. A typing concept for Salmonella,
pp. 97 – 104. In: Epidemiology of Campylobacter and Salmonella. Eds. Aspán, A. and Mulder, R. W. A.
European Commission, Luxembourg.

5.4. Christensen, H., Nordentoft, S. and Olsen, J. E. 1997. Phylogenetic relations of Salmonella established
by 23S rRNA gene sequence comparison, pp. 17 - 22. In Salmonella and Salmonellosis. Proceedings.
Zoopole, Ploufragan, France.

5.5. Christensen, H. and Olsen J. E. 1997. Population structure of Salmonella determined by DNA sequence
comparison. Fourth International Meeting on Bacterial Epidemiological Markers, Elsinore.

5.6. Bisgaard, M., Petersen, A., Bojesen, A. M., Christensen, J. P. & Christensen, H. 2008. Experiences to be
gained from longitudinal studies of pathological observation of fowl cholera and MLST typing of
Pasteurella multocida. Presentation. 7th International Symposium on Turkey Production. pp. 123-133.

5.7. Gregersen, R.H., Bojesen, A.M., Christensen, H. & Bisgaard, M. 2009. Molecular characterization of
APEC – a precondition for proper understanding and handling of outbreaks. Presentation and proceedings.
5th International Symposium on Tyrkey Production, Berlin. Mensch und Buck Verlag, Berlin, pp. 277-285.

5.8. Günther, R., Bisgaard, M. & Christensen, H. 2009. Unusual outbreak of Pasteurella multocida ssp.
septica in a turkey flock. Presentation and proceedings. 5th International Symposium on Tyrkey Production.
Mensch und Buck Verlag, Berlin, pp. 287-291.

5.9. Bisgaard, M., Gregersen, R. H. & Christensen, H. 2010. Improved understanding of diseases asssociated
with potential bacterial pathogens of poultry to be gained from multilosus sequence typing (MLST).
Abstract European Poultry conference, Tours.

5.10.Munch, M.E., Gregersen, R.H, Bisgaard, M. & Christensen, H. 2011. Transmission of Enterococcus
faecalis among layer chickens during hatch. WVPA17, Mexico. Presentation.

5.11. Bisgaard, M., Nørskov-Lauritsen, N., de Wit, J., Hess, M. & Christensen, H. 2011. Avibacterium spp.,
a diagnostic challenge to horizontal gene transfer. WVPA17, Mexico. Presentation.

5.12. Bisgaard, M., A.M.Bojesen, M. R. Petersen & Christensen, H. 2011.
Horses, an overlooked risk factor for serious Streptococcus equi ssp. zooepidemicus infections in free range
chickens. WVPA17, Mexico. Presentation.

5.13.Santos, T., M. Bisgaard & Christensen, H. 2011. Chronic salpingitis and peritonitis in chickens due to
Escherichia coli infection – a possible model for human urinary tract infection (UTIs). WVPA17, Mexico
Presentation.

5.14.Santos, T., M. Bisgaard & Christensen, H. 2011. Diversity and stability of the genetic population
structure of Escherichia coli isolated from broiler production. WVPA17, Mexico. Presentation.

5.15. Barua, H., Christensen, J. P., Christensen, H., Lindblom, I. L. & Bisgaard, M. 2011. Diversity and
biological properties of Salmonella typhimurium DT41 obtained form broiler breeders in Denmark.
WVPA17, Mexico. Presentation.

5.16.Olsen, R.H., Christensen, H. & M. Bisgaard. 2011. Virulence factors of Enterococcus faecalis
associated with different lesion types in chickens. WVPA17, Mexico 2011. Presentation.

5.17. Olsen, R. H., Stockholm, N. M., Permin, A., Christensen, J. P., Christensen, H. and Bisgaard, M. 2011.
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). WVPA17, Mexico 2011. Presentation.

Book editor
6.1. Kuhnert, P and Christensen, H. 2008. Pasteurellaceae, Biology, genomics and molecular aspects. Caister
Acad. Press.

Abstracts for oral presentations at international conferences.
7.1. Christensen, H. 1987. Specific growth rate determination of rhizosphere bacteria: evaluation of rootcolonizing ability based in the tritiatied-thymidine method. Interrelationships between microorganisms and
plants in soil. Czechoslovakia.

7.2. Christensen, H. 1991. Growth rate of rhizosphere bacteria as measured by the thymidine method, p. 105.
In: The Rhizosphere and Plant Growth. Eds. Keisler, D. L., and Gregan, P. B. Kluwer Acad., Dordrecht.

7.3. Christensen, H. and Olsen, J. E. 1997. Population structure of Salmonella determined by DNA sequence
comparison . 4th International Meeting on Bacterial Epidemiological Markers. Elsinore.

7.4. Bisgaard M., Christensen H. and Angen Ø. 1999. Studies on the phylogenetic relationship of equine
isolates classified as Actinobacillus sensu stricto. HAP99, Mabula South Africa, 13-17 September 1999.

7.5. Christensen H., Mutters R., Piechulla K. and Bisgaard M. 1999. Phylogenetic relationship among
phenotypes of avian isolates classified as Pasteurella haemolytica or Actinobacillus salpingitidis with
proposal of Salpingitia gen.nov. HAP99, Mabula South Africa, 13-17 September 1999.

7.6. Petersen, K. D., Christensen H., Christensen J. P. and Bisgaard M. 1999. Investigations on the genetic
relationship between subspecies of Pasteurella multocida as demonstrated by ribotyping and 16S rRNA
sequencing. Abstract from presentation. HAP99, Mabula South Africa, 13-17 September 1999.

7.7. Bojesen, A. M., Torpdahl, M. Christensen, H., Bisgaard, M. and Olsen, J. E. 2002c. Clonal Diversity of
Haemolytic Gallibacterium spp. in Chicken Flocks Representing Different Production Systems. XII
International Congress of the World Veterinary Poultry Association, Cairo, Egypt. 28. Jan. – 1. Feb. 2002.

7.8. Larsen, J., Pedersen, A. G., Lichtenberg, U. de, Christensen, H., Olsen, J. E., Kuhnert, P. and Frey, J.
2004. The evolution of leukotoxin regulatory regions in genus Mannheimia by interspecies comparisons.
Abstract of presentation. Workshop, Origin and Evolution of Human Pathogens, October 20-23, Baeza,
Spain.

7.9. Otim, M. O., Mukiibi-Muka, G., Christensen, H. and Bisgaard, M. 2005. Immune response to Newcastle
disease vaccination of free-range village chickens experimentally immunosuppressed by aflatoxin or
infectious bursal disease virus. XIII Congress of the World Veterinary Poultry Association. Istanbul.

7.10. Otim, M. O., Kabagambe, E. K., Mukiibi, G. M., Christensen, H. and Bisgaard, M. 2005. A
prospective study of risk factors for Newcastle disease in rural free-range chickens. XIII Congress of the
World Veterinary Poultry Association. Istanbul.

7.11. Bisgaard, M., Christensen, H., Bojesen, A. M. and Christensen, J. P. 2005. Avian infections caused by
species of Pasteurellaceae. An update. XIII Congress of the World Veterinary Poultry Association. Istanbul.
KeynotePresentation.

7.12. Olsen, J. E., Bisgaard, M. and Christensen, H. 2005. The current state of Pasteurellaceae systematics.
Pasteurellaceae 2005. ASM conference, Kohala Coast, Hawaii. Keynote presentation.

7.13. Olsen, K. N., Francesch, M. and Christensen, H. 2006. Fluoroscence in situ hybridization of chicken
intestinal samples with bacterial rRNA targeted oligonucleotide probes. EPCXII Verona.

7.14. Blackall, P.J., Bojesen, A.M. Christensen, H. and Bisgaard, M. 2006 Reclassification of [Pasteurella]
trehalosi as Bibersteinia trehalosi gen. nov., comb. nov. Annual Scientific Meeting, Australian Society for
Microbiology, Gold Coast. Presentation.
12

7.15. Bisgaard, M., Günther, R. & Christensen, H. 2007. Further investigation on the involvement of taxon
14 in upper respiratory tract infections and blepharoconjunctivitis in turkeys. 4th International Symposium on
Turkey Production, Berlin 21-23 June.

7.16. Bisgaard, M., Klaus-Peter Behr, K.-B. & Christensen, H. 2007. A new Species of Neisseria associated
with respiratory distress in turkeys. 4th International Symposium on Turkey Production, Berlin 21-23 June.

7.17. Bertelsen, M.F., A.M.Bojesen, H.Christensen & M. Bisgaard. Prevalence and genetic characterization
of Pasteurellaceae isolated form captive psittacine birds. XV Congress of the World Veterinary Poultry
Association. September 10-15, 2007. BEIJING, CHINA

7.18. Christensen, H., M.S. Chadfield, J.P.Christensen & M. Bisgaard. 2007. Avian enterococci and
streptococci – new or old emerging pathogens representing major diagnostic problems. XV Congress of the
World Veterinary Poultry Association. September 10-15, 2007. BEIJING, CHINA

7.19. Petersen, A., H. Christensen & M. Bisgaard. 2007. Investigations on the existence of a common clone
of Enterococcus faecalis isolated from several countries in Europe and associated with amyloid arthropathy
in chickens. XV Congress of the World Veterinary Poultry Association. September 10-15, 2007. BEIJING,
CHINA

7.20. Bisgaard, M., J.P.Christensen, A.M.Bojesen & H. Christensen. 2007. Avibacterium endocarditidis sp.
nov., a new species of Pasteurellaceae isolated from valvular endocarditis in chickens. XV Congress of the
World Veterinary Poultry Association. September 10-15, 2007. BEIJING, CHINA

7.21. Christensen, H., B.M.Korczak, P. Kuhnert, H.-J. Busse, A.M.Bojesen & M. Bisgaard. 2007. Five new
species of Gallibacterium – a diagnostic enigma. XV Congress of the World Veterinary Poultry Association.
September 10-15, 2007. BEIJING, CHINA

7.22. Christensen, H., P.J.Blackall & M. Bisgaard. 2007. New V-factor requiering species/taxa of
Pasteurellaceae obtained from lesions in different species of birds. XV Congress of the World Veterinary
Poultry Association. September 10-15, 2007. BEIJING, CHINA

7.23. Bisgaard, M., A. Petersen & H. Christensen. 2007. Population structure of Pasteurella multocida
epizootics in the avifauna in Scandinavia and possible relationship with P1059 as demonstrated by MLST.
XV Congress of the World Veterinary Poultry Association. September 10-15, 2007. BEIJING, CHINA

7.24. Hedegaard, L., M.S.Chadfield, J.P.Christensen, H.Christensen & M. Bisgaard. 2007. Streptococcus
pluranimalium – a new avian pathogen. XV Congress of the World Veterinary Poultry Association.
September 10-15, 2007. BEIJING, CHINA

7.25. M. Bisgaard, M., Hedegaard, L., Petersen, A., Christensen, H., Christensen, J. P. & Chadfield, M.
2007. Genetic diversity and persistance of Enterococcus faecalis obtained from different pathological
lesions in adule chickens as demonstrated by PFGE and MLST. XV Congress of the World Veterinary
Poultry Association. September 10-15, 2007. BEIJING, CHINA

7.26. Christensen, H, Bisgaard M, Petersen A. 2008. Field observations and experimental studies on the
pathogenic potential of small colony variants of Pasteurella multocida..AAAP Poultry Symposium. 145th
AVMA Annual Convention July 19-22, New Orleans.

7.27. Petersen, A., Christensen, H. & Bisgaard, M. (2008): Mutations in gyrA and parC in isolates of
Pasteurella multocida with decreased sensitivity to enrofloxacin. International Pasteurellaceae Society
Conference 2008, Sorento.

7.28. Bisgaard, M. & Christensen, H. Pasteurella and Pasteurella-like infections in poultry. Presentation for
Veterinarians in Poland, July 2009.

7.29. M. Bisgaard, M., Petersen, A., Gregersen, R. H. & Christensen, H. 2009. MLST and MLSA of
Enterococcus faecalis isolates demonstrating different lesion types in broiler parents. WVPC 16, Marakesh,
8-12 November, 2009.

7.30. Petersen, A., Bisgaard, M. & Christensen, H. 2009. Detection of Enterococcus faecalis ST82
associated with amyloid arthropathy by real-time PCR. WVPC 16, Marakesh, 8-12 November, 2009.

7.31. Christensen, H. & Bisgaard, M. 2009. Correlation between sequence aided identification and specific
PCR tests reported for serovars and related taxa of Riemerella anatipestifer investigated by phylogenetic
relationships of partial rpoB and 16S rRNA gene sequences. WVPC 16, Marakesh, 8-12 November, 2009.

7.32. Santos, T., Pors, S., Nielsen, O. L., Christensen, H., Petersen, A., Larsen, J. & Bisgaard, M. 2009.
Association of Enterococcus feacalis with valvular endocarditis in experimentally infected adult broilers
investigated by Fluorescent in situ hybridization (FISH). WVPC 16, Marakesh, 8-12 November, 2009.
13

7.33. Gregersen, R. H., Bojesen, A. M., Christensen, H. & Bisgaard, M. 2009. Molecular characterization of
APEC – a precondition for proper understading and handling of outbreaks. 5th International Symposium on
Tyrkey Production.

7.34. Günther, R., Bisgaard, M. & Christensen, H. 2009. Unusual outbreak of Pasteurella multocida ssp.
sseptica in a turkey flock. 5th International Symposium on Tyrkey Production.

7.35. Bisgaard, M., Gregersen, R. H. & Christensen, H. 2010. Improved understanding of diseases
asssociated with potential bacterial pathogens of poultry to be gained from multilosus sequence typing
(MLST). Abstract European Poultry conference, Tours.

7.36. Nissen, S., Al-Jubury, A., Olsen, A., Christensen, H., Thamsborg, S. M. & Nejsum, P. (2010). Genetic
variation of Trichuris spp. obtained from humans and pigs. The XIIth International Congress of Parasitology,
Melbourne, Australia, August 15-20.

7.37. Petersen, A., Jaglic, Z., Bisgaard, M., Subaaharan, S., Blackall, P.J. and Christensen, H. (2010) Of
rabbits, chickens and champagne - everything old is new again. Australasian Veterinary Poultry Alliance.
Gold Coast, Queensland, Australia.

7.38.Gregersen, R.H., Christensen, H. & M. Bisgaard. Improved understanding of avian colibacillosis based
upon MLST and phylogenetic investigations WVPA17, Mexico.

7.39.Gregersen, R.H., Chadfield, M., Christensen, H. & Bisgaard, M. 2011. Clonality and virulence traits
associated with Escherichia coli isolates from colibacilliosis outbreaks in turkeys. WVPA17, Mexico.

7.40. Santos, T., Bisgaard, M. & Christensen, H. 2011. From parents to broilers: a population genetic study
of Escherichia coli reveals vertical transmission of avian and uropathogenic clones, WVPA17, Mexico.

7.41. Larsen, J., Christensen, H., Pedersen, A.G., Kuhnert, P. & Magne Bisgaard, M. 2011. Evidence for
Horizontal Gene Transfer of the Leukotoxin Operon from Genus Mannheimia to Bibersteinia trehalosi.
International Pasteurellaceae conference 24-27 August, Helsingør.

7.42. Timsit, E., Christensen, H., Bareille, N., Assié, S., 2011. Is Mannheimia haemolytica highly contagious
among newly-received bulls at fattening operations? European Buiatric Forum, Marseilles 16-18 of
november 2011.

7.43. Alispahic, M., Christensen, H., Hess, C., Razzazi-Fazeli, E., Bisgaard, M. & Hess, M. 2011.
Identification of Gallibacterium species using matrix-assisted laser desorption ionization-time-of-flight mass
spectrometry and multilocus sequence analysis. International Pasteurellaceae conference 24-27 August,
Helsing›r. Presentation.

7.44. Damborg, PP , Westh, H, Boye, K , Christensen, H , Moodley, A & Guardabassi, L 2009. Diversity of
mecA and ccrB in SCC mec type III of methicillin-resistant staphylococci. ASM-ESCMID Conference on
Methicillin-resistant Staphylococci in Animals: Veterinary and Public Health Implications, London,
Storbritannien.

7.45. Christensen, H., Nørskov-Lauritsen , N., Witt, J.J. de, Hess, C. & Bisgaard, M.. 2013. Importance of
MLSA for classification of representatives of the genus Avibacterium. Annual meeting of the German
Society of General and Applied Microbiology, March 11, 2013, Bremen (Germany).

7.46. Christensen, H.,Timsit, E., Adhikary, S., Larsen, J., Bisgaard, M. & Olsen, J. E. 2014. CRISPR
analysis demonstrates differences between clonal isolates of Mannheimia haemolytica from the nose and
trachea of the same animal during disease outbreaks. Abstract submitted Pasteurellaceae 2014, Prado 13-16
May 2014.

7.47. Poulsen, L. L., Thøfner, I., Bisgaard, M., Christensen, J. P., Olsen, R. H. & Christensen, H. 2015.
Longitudinal study of vertical transmission of Escherichia coli in broiler production. World Veterinary
Poultry Confenrence, 7-11 September, Cape Town. Presentation.

7.48. Thøfner, I., Poulsen, L. L., Bisgaard, M., Christensen, H., Olsen, R. H. & Christensen. J. P.
Longitudinal study of mortality observed in four broiler breeder flocks. World Veterinary Poultry
Confenrence, 7-11 September, Cape Town. Presentation.

7.49. Jørgensen, S. L., Thorndal, L., Bisgaard, M., Poulsen, L. L., Juul-Madsen, H. R. & Christensen, H.
2015. Intestinal Enterococcus faecalis populations of chicken differ between completely confined, backyard
conditions and conventional production. World Veterinary Poultry Confenrence, 7-11 September, Cape
Town. Presentation

7.50. Christensen, H. & Bisgaard, M. 2015. Classification of Pasteurellaceae at genus level by whole
genome sequence comparison. 7th National conference of microbial resources & The international
symposium on microbial systematics and taxonomy. Hangzhou, China.

Abstracts for posters not included with peer-reviewed journal publications or proceedings
 - or status not yet known
8.1. Christensen, H., Bisgaard, M., Fink, M. and Olsen, J. E. 2005. Classification and description of new
taxa of Pasteurellaceae associated with Muridae. IUMS conference, 23-28 July, San Francisco. 

8.2. Christensen, H., Kuhnert, P., Korczak, B. M., Fink, M. and Bisgaard, M. Classification and description
of four new taxa of Pasteurellaceae associated with Muridae and proposal of a new genus Muribacterium
gen. nov. Pasteurellaceae 2005. ASM conference, Kohala Coast, Hawaii. Poster abstract.

8.3. Bisgaard, M., Kuhnert, P. Olsen, J. E. and Christensen, H. 2005. Identification of host-specific
subclones within Mannheimia varigena. Pasteurellaceae 2005. ASM conference, Kohala Coast, Hawaii.

8.4. Bisgaard, M., A. Petersen, A.M.Bojesen, J.P.Christensen & H. Christensen. 2007. Haemorrhagic
septicaemia type B associated outbreak of fowl cholera in turkeys. Accepted as a poster. XV Congress of the
World Veterinary Poultry Association. September 10-15, 2007. Beijing China.

8.5. Bisgaard, M., A. Petersen & H. Christensen. 2007. Population structure of Pasteurella multocida
epizootics in the avifauna in Scandinavia and possible relationship with P1059 as demonstrated by MLST.
Oral presentation. XV Congress of the World Veterinary Poultry Association. September 10-
15, 2007. Beijing, China.

8.6. Christensen, H. Characterization and possible host specificity of Pasteurellaceae-like bacteria isolated
from clinically affected psittacine birds. XII. International Congress of Bacteriology and Applied
Microbiology. IUMS 2008. Istanbul 2008. 5-9 August. Poster abstract.

8.7. Kj‘ldgaard, P., Christensen, H., Aalbæk, B. & Bisgaard, M. (2008): Taxon 10, a potential pathogen
associated with infected horse bite wounds. Poster abstract. International Pasteurellaceae Society Conference
2008, Sorento.

8.8. Christensen, H., Korczak, B. M., Kuhnert, P., Bojesen, A. M. & Bisgaard, M. 2008. Emended
description of Volucribacter and proposal of a new genus related to Volucribacter. Poster abstract.
International Pasteurellaceae Society Conference 2008, Sorento.

8.9. Petersen, A., Bisgaard, M., Larsen, J. & Christensen, H. 2009. Detection of a well defined clonal
lineage of Pasteurella multocida associated with fowl cholera by real-time PCR. Abstract and poster.
WVPC 16, Marakesh, 8-12 November, 2009.

8.10. Santos, T., Pors, S., Nielsen, O. L., Christensen, H., Petersen, A., Larsen, J. & Bisgaard, M. 2009.
Association of Enterococcus feacalis with valvular endocarditis in experimentally infected adult broilers
investigated by Fluorescent in situ hybridization (FISH). WVPC 16, Marakesh, 8-12 November, 2009.

8.11. Bisgaard, M., Blackall, P. & Christensen, H. 2011. Pasteurellaceae from kangoroos form a diverse but
separate phylogenetic line. International Pasteurellaceae conference 24-27 August, Helsingør.

8.12. Olesen, J.K., Christensen, H., Bertelsen, M.F., Petersen, A & Bisgaard, M. 2011. Characterization and
possible host association of Pasteurellaceae-like bacteria isolated from lions, tigers and cheetah
International Pasteurellaceae conference 24-27 August, Helsingør.

8.13. Christensen, H., Bertelsen, M.F. & Bisgaard, M. 2011. Pasteurellaceae isolated from red pandas
(Ailurus fulgens). International Pasteurellaceae conference 24-27 August, Helsingør.

8.14. Christensen, H., Devriese, L. & Bisgaard, M. 2011. Classification of Bisgaard taxa 29 as Heddlestonia
cuniculi gen. nov., sp. nov. International Pasteurellaceae conference 24-27 August, Helsingør.
15

8.15. Olsen, R. H., Christensen, H., Kabell, S. & Bisgaard, M. 2013. Bacterial pathogens associated with
pododermatitis in layers. WVPAC2013, Nantes, France. Oral presentation.

8.16. Olsen, R. H., Christensen, H., Angen, Ø. & Bisgaard, M. 2013. Characterization of Escherichia coli
strains used as autovaccines. XVIII Congress of the World Veterinary Poultry Association. XVIII Congress
of the World Veterinary Poultry Association. WVPAC2013, Nantes, France. Oral presentation.

8.17. Christensen, H., Günther, R. & Bisgaard, M. 2013. Partial sequencing of rpoB separates avian
Bordetella spp. XVIII Congress of the World Veterinary Poultry Association. Poster WVPAC2013, Nantes,
France.

8.18. Bisgaard, M., Pors, S., Petersen, A., Olsen, R. H. & Christensen, H. 2013. Host response in
PoulvacPabac IV vaccinated layers to Pasteurella multocida subsp. septica strains representing different
subclusters. XVIII Congress of the World Veterinary Poultry Association. Poster WVPAC2013, Nantes,
France.

8.19. Christensen, H. & Bisgaard, M. 2014. Cytolethal distending proteins predicted in [Haemophilus]
haemoglobinophilus and Bisgaard taxon 35 by genomics. Abstract submitted Pasteurellaceae 2014, Prado
13-16 May 2014.

8.20. Christensen, H. & Bisgaard, M. 2014. Proper identification of Pasteurellaceae from dogs and dog bite
wounds can only be obtained by genotypic characterization. Abstract submitted Pasteurellaceae 2014, Prado
13-16 May 2014.

8.21. Poulsen, L. L., Bisgaard, M., Thøfner, I., Olsen, R. H., Christensen, J. P. & Christensen, H. 2015.
Staphylococcus hyicus, an underreported potential pathogen in poultry. World Veterinary Poultry
Confenrence, 7-11 September, Cape Town.

8.22. Th›fner, I., Poulsen, L. L., Bisgaard, M., Christensen, H., Olsen, R. H. & Christensen, J. P. 2015.
Systemic reactive amyloidosis, an age related problem of importance in broiler breeders. World Veterinary Poultry Confenrence, 7-11 September, Cape Town.

8.23. Christensen, H., Poulsen, L. L., Jørgensen, S. L. & Bisgaard, M. 2015. New probiotic concept aiming
at limiting horizontal transmission of bacterial infections in poultry. Poster. Beneficial Microbes Conference,
16-18 March, The Hague.

8.24. Christensen, H., Poulsen, L. L., Jørgensen, S. L. & Bisgaard, M. 2015. New probiotic concept aiming
at limiting spreading of infections in poultry production. World Veterinary Poultry Confenrence, 7-11
September, Cape Town.

8.25. Olsen, R. H. Kiilerich, P., Th›fner, I., Poulsen, L. L., Bisgaard, M., Christensen, H., & Christensen, J.
P. 2015. Investigation on bacterial diversity and CFU on eggshell of hatching eggs before and after
disinfection. World Veterinary Poultry Confenrence, 7-11 September, Cape Town.

8.26. Olsen, R., Th›fner, I., Poulsen, L.. L, Kiilerich, P., Christensen, H., Bisgaard, M., Christensen, J. P. 2015. Investigation on bacterial diversity and CFU on eggshell of hatching eggs before and after disinfection. WVPA, Cape Town.

8.27. Poulsen, L. L., J›rgensen, S. L., Bisgaard, M. & Christensen, H. 2016. Molecular mechanisms of E. coli causing outbreaks of cellulitis in broilers. VETPATH, Prato. 

8.28. Magistrali, C. F., Cusso, L., Massacci, F. R., Curcio, L., Orsini, S., Mangili, P., Sebastiani, C., Bano, L., Pezzotti, G., & Christensen, H. 2016. Molecular characterization of Pasteurella multocida isolates from diseased rabbits in Italy. XVII Congresso Nazionale S.I.Di.L.V. Pacengo di Lazise (VR), 28-30 Settembre 2016.
 
8.29. Relun, A., Cesbron, N., Bourdeau, P., Dorso, L., Douart, A.‘, Brement, T., Chartier, C., Assie, S. Christenseen, H. & Guatteo, R. An atypical case of cutaneous actinobacillosis in a French beef catttle hers. 8th World Congress off Veterinary Dermatology (WCVD), Bordeux, June 2016. 

8.30. J›rgensen, S. L., Poulsen, L. L., Bisgaard, M. & Christensen, H. 2017. Comparative pangenomic analysis of Avian Pathogenic E coli and Extra-intestinal Pathogenic E coli belonging to sequence type 95. Submitted as poster or presentation for WVPA in Edinburg, September

8.31. J›rgensen, S. L., Poulsen, L. L., Bisgaard, M. & Christensen, H. 2017. Effect of probiotic Lactobacilli, E. faecalis and E. coli strains to limit avian pathogenic E. coli and promote growth of broilers under experimental conditions. Submitted as poster or presentation for WVPA in Edinburg, September

8.32. Poulsen, L. L., Bisgaard, M. J›rgensen, S. L. & Christensen, H. 2017.Clonal E. coli from cellulitis in broilers carries specific virulence genes. Submitted as poster or presentation for WVPA in Edinburg, September

8.33. Poulsen, L. L., Th›fner, I., Bisgaard, M., Olsen, R. H., Christensen, J. P. & Christensen, H. 2017. Colonization of newly hatched broilers with E. coli. Submitted as poster or presentation for WVPA in Edinburg, September

8.34. Pedersen, J. R., Dideriksen, T., Holten, B., Christensen, H. & Bisgaard, M. 2017. Field investigations on the impact of E. coli infections and carbon dioxide on the occurrence of ascites syndrome (Pulmonary Arterial Hypertension (PAH)) in broilers. Submitted as poster or presentation for WVPA in Edinburg, September

8.35. Poulsen, L. L., Bisgaard, M. & Christensen, H. 2017. Prevalence of antimicrobial resistant and pathogenic E. coli as a predictor for microbiological chick quality. Submitted as poster or presentation for WVPA in Edinburg, September. 

8.36. Bortolaia, V., Shah, S.Q.A., Jensen, H.U., Christensen, J.P., Christensen, H. & Guardabassi L. 2015.  Low prevalence of cephalosporin-resistant Escherichia coli in Danish broiler production, 2014-2015, ICOHAR 2015. Poster. 


Scientific articles in Danish
9.1. Christensen, H. and Leser, T. D. 1988. S†dan vurderes projekter om gensplejsning. Ingeniøren 14.

9.2. Christensen, S., Christensen, H., Ekelund, F. and Rønn, R. 1991. Hvordan f†r planterne næringsstoffer.
Naturens Verden 1991, 109-115.

9.3. Christensen H., Olsen J. E. and Bisgaard M. 1999a. Nye principper for navngivning af bakterier. DVT
82, 102-107.

9.4. Christensen H., Aabo S., Aalb‘k B., Bisgaard M. and Olsen J.E. 1999b. Navne‘ndringer og nye
bakteriearter af veterinær betydning. DVT 82, 108-112.

9.5. Christensen, H., Bisgaard, M., Christensen, J. P. and Olsen, J. E. 2005. Navngivning af
sygdomsfremkaldende bakterier. Naturens Verden 88, 32-39.

9.6. Bisgaard, M., Christensen, J. P., Bojesen, A. M., Petersen, A. & Christensen, H. 2009. rsager til
kronisk, invaliderende ledforandringer (amyloid arthropati) hos konsum‘gsopdræt. Dansk Erhvervsfjerkr‘
38, 489-493.

9.7. Bisgaard, M., Christensen, H. 2010. Streptococinfektioner - en ny risikofaktor? Dansk Erhvervsfjerkræ
38, 96-98.

9.8. Bisgaard, M., Olsen, R.H., Kyvsgaard, N.C., Christensen, J. P. Christensen, H. 2011. Escherichia coli
associeret sygdom i konsum‘gsektoren. Kortl‘gning af faktorer af betydning for sygdomsudviking og
sygdomsforebyggelse. Dansk Erhvervsfjerkr‘ 39, 130-133.

9.9. Christensen, H., Olsen, R.H., Pires-dos-Santos, T. & Bisgaard, M. 2013. Hvordan opst†r og udvikler
bakterielle infektioner sig i store fjerkr‘flokke? Dansk Erhvervsfjerkr‘ 39, 130-133.

9.10. Bisgaard, M., Christensen, J. P. & Christensen, H. 2015. Enterococcus cecorum er det den vi sl†s
med i slagtekyllingeproduktionen. Dansk Erhversfjerkr‘, August, 18-21.

9.11. Bisgaard, M., Pedersen, J. R. & Christensen, H. 2015. Ny sygdom hos slagtekyllinger ? eller gammel vin p† nye flasker. Dansk Erhversfjerkr‘, oktober , 14-19. 

9.12. Bisgaard, M., Poulsen, L. L., Pedersen, J. R. & Christensen, H. 2015. Om fejldiagnostik og mulige konsekvenser. Et eksempel til alvorlig eftertanke. Dansk Erhversfjerkr‘, november, 34-39. 

9.13. Bisgaard, M., Poulsen, L. L., Dideriksen, T., Pedersen, J. R. & Christensen, H. 2016. Unders›gelse af †rsager til fortsat h›j forekomst af hudbet‘ndelse hos slagtekyllinger. Dansk Erhversfjerkr‘, februar, 12-17. 

9.14. Bisgaard, M., Th›fner, I., Poulsen, L. L., Dideriksen, T., Pedersen, J. R. & Christensen, H. 2016. V‘kstrelaterede sygdomme i slagtekyllingproduktionene. En konstant udfordring af stor ›konomisk- og velf‘rdsm‘ssig betydning. Dansk Erhversfjerkr‘, marts, 58-62. 

9.15. Poulsen, L. L., Bisgaard, M., Dideriksen, T., Pedersen, J. R., Christensen, H. 2016. Unders›gelse af forekomst of udbredelse af antibiotikakresistens i slagtekyllingeproduktionen. Dansk Erhvervsfjerkr‘, maj, 12-16. 

9.16. Christensen, H., Poulsen, L. L., Th›fner, I., Christensen, J. P., Olsen, R. H. & Bisgaard, M. 2016. Forebyggelse af vertikal smitteoverf›rsel i slagtekyllingeproduktionen. Dansk Erhvervsfjerkr‘, august, 24-29. 

9.17. Christensen, H., Lauritsen, C. V., Bisgaard, M. & Ingmer, H. 2016. Unders›gelse af mikrofloraen i forbindelse med organoleptiske forandringer af ferske fjerkr‘produkter. Dansk Erhvervsfjerkr‘, oktober, 28-31. 

9.18. Pedersen, J. R., Dideriksen, T., Holten, D., Christensen, H. & Bisgaard, M. 2017. Hvordan man formindsker og forebygger tab somo f›lge af bugvattersot. Dansk Erhvervsfjerkr‘, juni/juli, 20-23. 




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