Jens Peter Christensen
Professor with special responsibilities, Professor MSO
Veterinary Clinical Microbiology
Stigbøjlen 4, 1870 Frederiksberg C
Member of:
- 2023
- Published
- Published
- Published
CAUSES OF MORTALITY IN DANISH LAYING HENS IN NON-CAGE HOUSING SYSTEMS
Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 4 Sep 2023.Research output: Contribution to conference › Conference abstract for conference › Research › peer-review
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Brug af mobilt røntgenapparat til at bestemme forekomsten af brystbensfrakturer hos produktionshøner
Knorr Jensen, S., Christensen, Jens Peter & Thoefner, Ida , 2023, In: Dansk Erhvervsfjerkrae. 52, 1, p. 38-40 3 p.Research output: Contribution to journal › Journal article › Research
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Causes of mortality in Danish laying hens in non-cage housing systems
Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023, XXIInd Congress of the World Veterinary Poultry Association: Book of Abstracts. Verona, Italy: World Veterinary Poultry Association, p. 253-253 1 p. s12-07Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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Genomic traits of Aeromonas veronii isolated from slaughtered Danish broilers
Erickson, Vera Irene, Alfifi, Ahmed Eassa H, Hounmanou, Yaovi Mahuton Gildas, Sana, M. J., Christensen, Jens Peter & Dalsgaard, Anders, 2023, In: Veterinary Microbiology. 283, 109772.Research output: Contribution to journal › Journal article › Research › peer-review
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The egg-laying process might be a contributing factor for the development of keel bone fractures in laying hens
Thoefner, Ida , Shih, C., Villa, Chiara & Christensen, Jens Peter, 2023, XXIInd Congress of the World Veterinary Poultry Association: Book of Abstracts. Verona, Italy: World Veterinary Poultry Association, p. 228-228 1 p. S9-O2Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
- Published
The global transcriptomes of Salmonella enterica serovars Gallinarum, Dublin and Enteritidis in the avian host
Fei, Xiao, Schroll, C., Huang, K., Christensen, Jens Peter, Christensen, Henrik, Lemire, S., Kilstrup, M., Thomsen, Line Elnif, Jelsbak, L. & Olsen, John Elmerdahl, 2023, In: Microbial Pathogenesis. 182, 106236.Research output: Contribution to journal › Journal article › Research › peer-review
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Welfare-related causes of mortality identified in a longitudinal study in Danish commercial layers
Lund, Vibe Pedersen, Thoefner, Ida , Scharling, F. S., Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2023, p. 82.Research output: Contribution to conference › Conference abstract for conference › Research › peer-review
- 2022
- Published
- Published
Characterization of Escherichia coli and other bacteria isolated from condemned broilers at a Danish abattoir
Alfifi, Ahmed Eassa H, Christensen, Jens Peter, Hounmanou, Yaovi Mahuton Gildas, Sandberg, M. & Dalsgaard, Anders, 2022, In: Frontiers in Microbiology. 13, 13 p., 1020586.Research output: Contribution to journal › Journal article › Research › peer-review
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Nyt fra Dansk Veterinær Konsortium: Antibiotikaforbrug og dødelighed i fjerkræbesætninger – forbedret sundhedsstyring med registerdata og patologi?
Lund, Vibe Pedersen, Thoefner, Ida , Nielsen, Liza Rosenbaum & Christensen, Jens Peter, 2022, In: Dansk Veterinærtidsskrift. 2022, 11Research output: Contribution to journal › Journal article › Research
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Prevalence of keel bone damage in red jungle fowls (Gallus gallus gallus) – a pilot study
Kittelsen, K. E., Jensen, P., Christensen, Jens Peter, Toftaker, I., Moe, R. O. & Vasdal, G., 2022, Book of abstracts 2022: the 26th World Poultry Congress in Paris, 7-11, August 2022. p. 526 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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Risk factor identification of keel bone fractures in Danish laying hens
Thoefner, Ida , Hougen, H. P., Villa, Chiara, Dahl, J. & Christensen, Jens Peter, 2022, Book of abstracts 2021 : The 26th World’s Poultry Congress . Tixier-Boichard, M. & Duclos, M. (eds.). 1 ed. France: French Branch of the World’s Poultry Science Association, Vol. 1. p. 552-552 1441Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
- 2021
- Published
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Brystbensfrakturer hos konsumægshøns –status på de sidste års danske undersøgelser
Christensen, Jens Peter, Hougen, H. P., Villa, Chiara, Dahl, J., Sejonaite, L. & Thoefner, Ida , Feb 2021, In: Dansk Erhvervsfjerkrae. 50, 2, p. 60-65 6 p.Research output: Contribution to journal › Journal article › Research
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Bacterial diseases in pigs and poultry: Occurrence, epidemiology, and biosecurity measures
Maes, D., Kyriazakis, I., Chantziaras, I., Van Limbergen, T. & Christensen, Jens Peter, 2021, Advancements and Technologies in Pig and Poultry Bacterial Disease Control. Foster, N. & Barrow, P. (eds.). Academic Press, p. 25-51Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Bacterial diseases in poultry
Thoefner, Ida & Christensen, Jens Peter, 2021, Advancements and Technologies in Pig and Poultry Bacterial Disease Control. Academic Press, p. 199-227Research output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
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Kan vi få mere ud af databaser på fjerkræområdet?
Lund, Vibe Pedersen, Nielsen, Liza Rosenbaum, Thoefner, Ida & Christensen, Jens Peter, 2021, In: Dansk Erhvervsfjerkrae. 2021, Juni, p. 14-15 2 p.Research output: Contribution to journal › Journal article › Communication
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Keel bone fractures are more prevalent in White Leghorn hens than in Red Jungle fowl hens—A pilot study
Kittelsen, K. E., Gretarsson, P., Jensen, P., Christensen, Jens Peter, Toftaker, I., Moe, R. O. & Vasdal, G., 2021, In: PLoS ONE. 16, 7, e0255234.Research output: Contribution to journal › Journal article › Research › peer-review
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Keel bone fractures in Danish laying hens: Prevalence and risk factors
Thoefner, Ida , Dahl, J. & Christensen, Jens Peter, 2021, In: PLoS ONE. 16, 8, 23 p., e0256105.Research output: Contribution to journal › Journal article › Research › peer-review
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Pasteurella and Related Organisms
Christensen, Jens Peter, 2021, Poultry Health: A Guide for Professionals. CABI PublishingResearch output: Chapter in Book/Report/Conference proceeding › Book chapter › Research › peer-review
- 2020
- Published
Prevalence of keel bone damage in red jungle fowls (Gallus gallus)—a pilot study
Kittelsen, K. E., Jensen, P., Christensen, Jens Peter, Toftaker, I., Moe, R. O. & Vasdal, G., Sep 2020, In: Animals. 10, 9, 8 p., 1655.Research output: Contribution to journal › Journal article › Research › peer-review
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Pathological characterization of keel bone fractures in laying hens does not support external trauma as the underlying cause
Thoefner, Ida , Hougen, H. P., Villa, Chiara, Lynnerup, Niels & Christensen, Jens Peter, 9 Mar 2020, In: PLoS ONE. 15, 3, 15 p., e0229735.Research output: Contribution to journal › Journal article › Research › peer-review
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A descriptive study of keel bone fractures in hens and roosters from four non-commercial laying breeds housed in furnished cages
Kittelsen, K. E., Moe, R. O., Hansen, T. B., Toftaker, I., Christensen, Jens Peter & Vasdal, G., 2020, In: Animals. 10, 11, p. 1-9 9 p., 2192.Research output: Contribution to journal › Journal article › Research › peer-review
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Changes in blood biochemistry of incubating Baltic Common Eiders (Somateria mollisima)
Garbus, S. E., Christensen, Jens Peter, Lyngs, P., Eulaers, I., Mosbech, A., Dietz, R., Garbus, P., Huusmann, R. & Sonne, C., 2020, In: Journal of Ornithology. 161, 1, p. 25-33Research output: Contribution to journal › Journal article › Research › peer-review
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Comparison and assessment of necropsy lesions in end-of-lay laying hens from different housing systems in Denmark
Wang, C., Pors, S. E., Christensen, Jens Peter, Bojesen, Anders Miki & Thoefner, Ida , 2020, In: Poultry Science. 99, 1, p. 119-128Research output: Contribution to journal › Journal article › Research › peer-review
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Explanations for keel bone fractures in laying hens: are there explanations in addition to elevated egg production?
Toscano, M. J., Dunn, I. C., Christensen, Jens Peter, Petow, S., Kittelsen, K. & Ulrich, R., 2020, In: Poultry Science. 99, 9, p. 4183-4194 12 p.Research output: Contribution to journal › Review › Research › peer-review
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Indications for the use of highest priority critically important antimicrobials in the veterinary sector
Lhermie, G., La Ragione, R. M., Weese, J. S., Olsen, John Elmerdahl, Christensen, Jens Peter & Guardabassi, Luca, 2020, In: The Journal of antimicrobial chemotherapy. 75, 7, p. 1671-1680 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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The association between meat inspection codes, footpad lesions and thinning of broiler flocks in the Danish broiler production
Alfifi, Ahmed Eassa H, Dalsgaard, Anders, Christensen, Jens Peter, Larsen, M. H. & Sandberg, M., 2020, In: Preventive Veterinary Medicine. 185, 105205.Research output: Contribution to journal › Journal article › Research › peer-review
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Whole genome sequence comparison of avian pathogenic Escherichia coli from acute and chronic salpingitis of egg laying hens
Poulsen, Louise Ladefoged, Kudirkiene, E., Jørgensen, S. L., Djordjevic, S. P., Cummins, M. L., Christensen, Jens Peter, Christensen, Henrik, Bisgaard, M. & Thoefner, Ida , 2020, In: BMC Veterinary Research. 16, 1, 9 p., 148.Research output: Contribution to journal › Journal article › Research › peer-review
- 2019
- Published
E. coli-infektioner hos konsumægshøner: Forekomst, betydning og kontrol
Thoefner, Ida , Wang, C., Pors, S. E. & Christensen, Jens Peter, Feb 2019, In: Dansk Erhvervsfjerkrae. 48, 2, p. 16-20Research output: Contribution to journal › Journal article › Research
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A review of the financial impact of production diseases in poultry production systems
Jones, P. J., Niemi, J., Christensen, Jens Peter, Tranter, R. B. & Bennett, R. M., 2019, In: Animal Production Science. 59, 9, p. 1585-1597Research output: Contribution to journal › Journal article › Research › peer-review
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Correlation between footpad lesions and systemic bacterial infections in broiler breeders
Thoefner, Ida , Poulsen, Louise Ladefoged, Bisgaard, M., Christensen, Henrik, Olsen, Rikke Heidemann & Christensen, Jens Peter, 2019, In: Veterinary Research. 50, 1, 5 p., 38.Research output: Contribution to journal › Journal article › Research › peer-review
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Haematology, blood biochemistry, parasites and pathology of common eider (Somateria mollisima) males during a mortality event in the Baltic
Garbus, S., Christensen, Jens Peter, Buchmann, Kurt, Jessen, T. B., Lyngs, P., Jacobsen, M. L., Garbus, G., Lund, E., Garbus, P. G., Madsen, Jesper Johannes, Thorup, Kasper & Sonne, C., 2019, In: Science of the Total Environment. 683, p. 559-567Research output: Contribution to journal › Journal article › Research › peer-review
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Incubation Behaviour of Common Eiders Somateria Mollissima in the Central Baltic: Nest Attendance and Loss in Body Mass
Garbus, S. E., Lyngs, P., Garbus, M., Garbus, P., Eulaers, I., Mosbech, A., Dietz, R., Gilchrist, H. G., Huusmann, R., Christensen, Jens Peter & Sonne, C., 2019, In: Acrocephalus. 39, 178-179, p. 91-100 10 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Infectious potential of human derived uropathogenic Escherichia coli UTI86 in the reproductive tract of laying hens
Mortensen, S., Johansen, A. E., Thoefner, Ida , Christensen, Jens Peter, Pors, S. E., Fresno, A. H., Møller-Jensen, J. & Olsen, John Elmerdahl, 2019, In: Veterinary Microbiology. 239, 108445.Research output: Contribution to journal › Journal article › Research › peer-review
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Longitudinal Study on Causes of Mortality in Danish Broiler Breeders
Thoefner, Ida , Poulsen, Louise Ladefoged, Bisgaard, M., Christensen, Henrik, Olsen, Rikke Heidemann & Christensen, Jens Peter, 2019, In: Avian Diseases. 63, 3, 400-410.Research output: Contribution to journal › Journal article › Research › peer-review
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The SPI-19 encoded type-six secretion-systems (T6SS) of Salmonella enterica serovars Gallinarum and Dublin play different roles during infection
Schroll, C., Huang, K., Ahmed, S., Kristensen, B. M., Pors, S. E., Jelsbak, L., Lemire, S., Thomsen, Line Elnif, Christensen, Jens Peter, Jensen, P. R. & Olsen, John Elmerdahl, 2019, In: Veterinary Microbiology. 230, p. 23-31 9 p.Research output: Contribution to journal › Journal article › Research › peer-review
- 2018
- Published
Common eider (Somateria mollissima) body condition and parasitic load during a mortality event in the Baltic Proper
Garbus, S. E., Lyngs, P., Christensen, Jens Peter, Buchmann, Kurt, Eulaers, I., Mosbech, A., Dietz, R., Gilchrist, H. G. & Sonne, C., Aug 2018, In: Avian Biology Research. 11 , 3, p. 167-172 6 p.Research output: Contribution to journal › Journal article › Research › peer-review
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Isolation and characterization of bacteriophages active against avian pathogenic E. coli
Jakociune, D., Bayg, A., Nielsen, Søren Saxmose, Trotereau, A., Schouler, C., Wagemans, J., Christensen, Jens Peter, Atterbury, R., Barrow, P., Lavigne, R. & Moodley, Arshnee, 17 May 2018, p. 51.Research output: Contribution to conference › Conference abstract for conference › Research
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Candling and Field Atlas of Early Egg Development in Common Eiders Somateria Mollissima in the Central Baltic
Garbus, S. E., Lyngs, P., Thyme, A. P., Christensen, Jens Peter & Sonne, C., 2018, In: Acrocephalus. 39, 178-179, p. 85-90Research output: Contribution to journal › Journal article › Research › peer-review
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Effect of live attenuated Escherichia coli vaccination on experimentally induced salpingitis in layers
Thoefner, Ida & Christensen, Jens Peter, 2018, MedVetPathogens 2018: 5th Prato Conference on Animal Bacterial Pathogens. Italy, p. 33 1 p.Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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Estimates on the significance of chronic E.coli infections of the reproductive tract in laying hens
Thoefner, Ida & Christensen, Jens Peter, 2018, The XVth European Poultry Conference: Conference information and proceedings. Croatian branch of the World's Poultry Science Association, p. 181 1 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
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Experimental chronic E.coli oviduct infections in egg laying hens
Thoefner, Ida & Christensen, Jens Peter, 2018, p. 45. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research › peer-review
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Investigation of the effect of live attenuated Escherichia coli vaccination on experimentally induced salpingitis in layers
Thoefner, Ida & Christensen, Jens Peter, 2018, The XVth European Poultry Conference: Conference information and proceedings. Croatian branch of the World's Poultry Science Association, p. 192 1 p.Research output: Chapter in Book/Report/Conference proceeding › Article in proceedings › Research › peer-review
- 2017
- Published
ISOLATION AND CHARACTERIZATION OF BACTERIOPHAGES ACTIVE AGAINST AVIAN PATHOGENIC E. COLI (APEC)
Jakociune, D., Baig, A., Nielsen, Søren Saxmose, Schouler, C., Wagemans, J., Christensen, Jens Peter, Atterbury, R., Barrow, P., Lavigne, R. & Moodley, Arshnee, 13 Nov 2017, p. 29. 1 p.Research output: Contribution to conference › Conference abstract for conference › Research
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Impact of egg disinfection of hatching eggs on the eggshell microbiome and bacterial load
Olsen, Rikke Heidemann, Kudirkiene, E., Thoefner, Ida , Pors, S., Karlskov-Mortensen, Peter, Li, L., Papasolomontos, S., Angastiniotou, C. & Christensen, Jens Peter, Nov 2017, In: Poultry Science. 96, 11, p. 3901-3911Research output: Contribution to journal › Journal article › Research › peer-review
ID: 4226610
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Hepatic toxicity of artemisinin in turkeys
Research output: Chapter in Book/Report/Conference proceeding › Conference abstract in proceedings › Research › peer-review
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Protective effects of artemisinin and Artemisia annua extracts on clinical caecal coccidiosis in broiler chickens
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Effects of artemisinin and Artemisia annua extracts on xenic bacteria isolated from clonal cultures of Histomonas meleagridis.
Research output: Contribution to conference › Poster › Research
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