20012020

Research output per year

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Research Output

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Journal article
2019

Effect of tetracycline treatment regimens on antibiotic resistance gene selection over time in nursery pigs

Græsbøll, K., Larsen, I., Clasen, J., Birkegård, A. C., Nielsen, J. P., Christiansen, L. E., Olsen, J. E., Angen, Ø. & Folkesson, A., 2019, In : BMC Microbiology. 19, 10 p., 269.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
81 Downloads (Pure)
2017

A Robust Statistical Model to Predict the Future Value of the Milk Production of Dairy Cows Using Herd Recording Data

Græsbøll, K., Kirkeby, C. T., Nielsen, S. S., Hisham Beshara Halasa, T., Toft, N. & Christiansen, L. E., 2017, In : Frontiers in Veterinary Science. 4, 9 p., 13.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
311 Downloads (Pure)

Dynamics of a railway vehicle on a laterally disturbed track

Christiansen, L. E. & True, H., 2017, In : Vehicle System Dynamics. 56, 2, p. 249-280

Research output: Contribution to journalJournal articleResearchpeer-review

Effect of different oral oxytetracycline treatment regimes on selection of antimicrobial resistant coliforms in nursery pigs

Fresno, A. H., Zachariasen, C., Norholm, N., Holm, A., Christiansen, L. E. & Olsen, J. E., 2017, In : Veterinary Microbiology. 208, p. 1-7 7 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Effect of tetracycline dose and treatment-mode on selection of resistant coliform bacteria in nursery pigs

Græsbøll, K., Damborg, P., Mellerup, A., Fresno, A. H., Larsen, I., Holm, A., Nielsen, J. P., Christiansen, L. E., Angen, Ø., Ahmed, S., Folkesson, A. & Olsen, J. E., 2017, In : Applied and Environmental Microbiology. 83, 12, e00538-17.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
498 Downloads (Pure)

Estimation of the transmission dynamics of African swine fever virus within a swine house

Nielsen, J. P., Larsen, T. S., Hisham Beshara Halasa, T. & Christiansen, L. E., 2017, In : Epidemiology and Infection. 145, 13, p. 2787-2796

Research output: Contribution to journalJournal articleResearchpeer-review

2016

A Comparison of Dynamics in Two Models for the Spread of a Vector-Borne Disease

Græsbøll, K., Sumner, T., Enøe, C., Christiansen, L. E. & Gubbins, S., 2016, In : Transboundary and Emerging Diseases. 63, 2, p. 215-223

Research output: Contribution to journalJournal articleResearchpeer-review

2 Downloads (Pure)

Adaptive Test Schemes for Control of Paratuberculosis in Dairy Cows

Kirkeby, C. T., Græsbøll, K., Nielsen, S. S., Christiansen, L. E., Toft, N. & Hisham Beshara Halasa, T., 2016, In : P L o S One. 11, 12, 13 p., e0167219.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
388 Downloads (Pure)

Modeling the growth dynamics of multiple Escherichia coli strains in the pig intestine following intramuscular ampicillin treatment

Ahmad, A., Zachariasen, C., Christiansen, L. E., Græsbøll, K., Toft, N., Matthews, L., Nielsen, S. S. & Olsen, J. E., 2016, In : B M C Microbiology. 16, 1, 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
259 Downloads (Pure)

Models to Estimate Lactation Curves of Milk Yield and Somatic Cell Count in Dairy Cows at the Herd Level for the Use in Simulations and Predictive Models

Græsbøll, K., Kirkeby, C. T., Nielsen, S. S., Hisham Beshara Halasa, T., Toft, N. & Christiansen, L. E., 2016, In : Frontiers in Veterinary Science. 3, 10 p., 115.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
213 Downloads (Pure)

Multistrain models predict sequential multidrug treatment strategies to result in less antimicrobial resistance than combination treatment

Ahmad, A., Zachariasen, C., Christiansen, L. E., Græsbøll, K., Toft, N., Matthews, L., Olsen, J. E. & Nielsen, S. S., 2016, In : B M C Microbiology. 16, 1, 10 p., 118.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
238 Downloads (Pure)

Non-parametric method for separating domestic hot water heating spikes and space heating

Bacher, P., de Saint-Aubain, P. A., Christiansen, L. E. & Madsen, H., 2016, In : Energy and Buildings. 130, p. 107-112

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
190 Downloads (Pure)

Simulating the Epidemiological and Economic Impact of Paratuberculosis Control Actions in Dairy Cattle

Kirkeby, C. T., Græsbøll, K., Nielsen, S. S., Christiansen, L. E., Toft, N., Rattenborg, E. & Hisham Beshara Halasa, T., 2016, In : Frontiers in Veterinary Science. 3, 13 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
230 Downloads (Pure)
2015

Danish holsteins favor bull offspring: Biased Milk Production as a Function of Fetal Sex, and Calving Difficulty

Græsbøll, K., Kirkeby, C., Nielsen, S. S. & Christiansen, L. E., 2015, In : P L o S One. 10, 4, 12 p., e0124051.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
271 Downloads (Pure)

Diversity of metabolic profiles of cystic fibrosis Pseudomonas aeruginosa during the early stages of lung infection

Jørgensen, K. M., Wassermann, T., Johansen, H. K., Christiansen, L. E., Molin, S., Høiby, N. & Ciofu, O., 2015, In : Microbiology. 161, 7, p. 1447-1462 16 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Pharmacodynamic modelling of in vitro activity of tetracycline against a representative, naturally occurring population of porcine Escherichia coli

Ahmad, A., Zachariasen, C., Christiansen, L. E., Græsbøll, K., Toft, N., Matthews, L., Damborg, P., Agersø, Y., Olsen, J. E. & Nielsen, S. S., 2015, In : Acta Veterinaria Scandinavica (Online). 57, 1, 8 p., 79.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
286 Downloads (Pure)

Pharmacokinetic-Pharmacodynamic Model To Evaluate Intramuscular Tetracycline Treatment Protocols To Prevent Antimicrobial Resistance in Pigs

Ahmad, A., Græsbøll, K., Christiansen, L. E., Toft, N., Matthews, L. & Nielsen, S., 2015, In : Antimicrobial Agents and Chemotherapy. 59, 3, p. 1634-1642 9 p.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
356 Downloads (Pure)

Sampling and Pooling Methods for Capturing Herd Level Antibiotic Resistance in Swine Feces using qPCR and CFU Approaches

Schmidt, G. V., Mellerup, A., Christiansen, L. E., Ståhl, M., Olsen, J. E. & Angen, Ø., 2015, In : P L o S One. 10, 6, e0131672.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
246 Downloads (Pure)
2014

A Comparison between Two Simulation Models for Spread of Foot-and-Mouth Disease

Hisham Beshara Halasa, T., Boklund, A., Stockmarr, A., Enøe, C. & Christiansen, L. E., 2014, In : P L o S One. 9, 3, 8 p., e92521.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
440 Downloads (Pure)

How Fitness Reduced, Antimicrobial Resistant Bacteria Survive and Spread: A Multiple Pig - Multiple Bacterial Strain Model

Græsbøll, K., Nielsen, S. S., Toft, N. & Christiansen, L. E., 2014, In : P L o S One. 9, 7, 11 p., e100458.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
274 Downloads (Pure)

Optimal vaccination strategies against vector-borne diseases

Græsbøll, K., Enøe, C., Bødker, R. & Christiansen, L. E., 2014, In : Spatial and Spatio-temporal Epidemiology. 11, p. 153-162 10 p.

Research output: Contribution to journalJournal articleResearchpeer-review

2013

Comparing control strategies against foot-and-mouth disease: Will vaccination be cost-effective in Denmark?

Boklund, A., Hisham Beshara Halasa, T., Christiansen, L. E. & Enøe, C., 2013, In : Preventive Veterinary Medicine. 111, 3-4, p. 206-219

Research output: Contribution to journalJournal articleResearchpeer-review

Decisions on control of foot-and-mouth disease informed using model predictions

Hisham Beshara Halasa, T., Willeberg, P., Christiansen, L. E., Boklund, A., AlKhamis, M., Perez, A. & Enøe, C., 2013, In : Preventive Veterinary Medicine. 112, 3-4, p. 194-202

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)

Scheduling sampling to maximize information about time dependence in experiments with limited resources

Græsbøll, K. & Christiansen, L. E., 2013, In : Biological Rhythm Research. 44, 5, p. 745-755

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)

The range of attraction for light traps catching Culicoides biting midges (Diptera: Ceratopogonidae)

Kirkeby, C., Græsbøll, K., Stockmarr, A., Christiansen, L. E. & Bødker, R., 2013, In : Parasites & Vectors. 6, 1, 19 p., 67.

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
293 Downloads (Pure)
2012

Development of a restricted state space stochastic differential equation model for bacterial growth in rich media

Møller, J. K., Philipsen, K. R., Christiansen, L. E. & Madsen, H., 2012, In : Journal of Theoretical Biology. 305, p. 78-87

Research output: Contribution to journalJournal articleResearchpeer-review

2 Downloads (Pure)

Simulating spread of Bluetongue Virus by flying vectors between hosts on pasture

Græsbøll, K., Bødker, R., Enøe, C. & Christiansen, L. E., 2012, In : Scientific Reports. 2, p. 863 8 p.

Research output: Contribution to journalJournal articleResearchpeer-review

1 Downloads (Pure)
2011

Development of antibiotic resistance and up-regulation of the antimutator gene pfpI in mutator Pseudomonas aeruginosa due to inactivation of two DNA oxidative repair genes (mutY, mutM)

Mandsberg, L. F., Macia, M. D., Bergmann, K. R., Christiansen, L. E., Alhede, M., Kirkby, N., Hoiby, N., Oliver, A. & Ciofu, O., 2011, In : F E M S Microbiology Letters. 324, 1, p. 28-37

Research output: Contribution to journalJournal articleResearchpeer-review

2010

Modelling conjugation with stochastic differential equations

Philipsen, K. R., Christiansen, L. E., Hasman, H. & Madsen, H., 2010, In : Journal of Theoretical Biology. 263, 1, p. 134-142

Research output: Contribution to journalJournal articleResearchpeer-review

Quantification of the spatial variability of rainfall based on a dense network of rain gauges

Pedersen, L., Jensen, N. E., Christiansen, L. E. & Madsen, H., 2010, In : Atmospheric Research. 95, 4, p. 441-454

Research output: Contribution to journalJournal articleResearchpeer-review

2009

Antibiotic resistance in Pseudomonas aeruginosa strains with increased mutation frequency due to inactivation of the DNA oxidative repair system

Mandsberg, L. F., Ciofu, O., Kirkby, N., Christiansen, L. E., Poulsen, H. E. & Højby, N., 2009, In : Antimicrobial Agents and Chemotherapy. 53, 6, p. 2483-2491

Research output: Contribution to journalJournal articleResearchpeer-review

Modelling bacterial growth in rich media with a non-parametric extension to an SDE based Model

Philipsen, K. R., Christiansen, L. E. & Madsen, H., 2009, (Submitted) In : Biometrics.

Research output: Contribution to journalJournal articleResearchpeer-review

The effect of pH and storage on copper speciation and bacterial growth in complex growth media

Hasman, H., Bjerrum, M. J., Christiansen, L. E., Hansen, H. C. B. & Aarestrup, F. M., 2009, In : Journal of Microbiological Methods. 78, 1, p. 20-24

Research output: Contribution to journalJournal articleResearchpeer-review

2008

A procedure to characterize geographic distributions of rare disorders in cohorts

Meter, K. C. V., Christiansen, L. E., Hertz-Picciotto, I., Azari, R. & Carpenter, T. E., 2008, In : International Journal of Health Geographics. 7, p. 26

Research output: Contribution to journalJournal articleResearchpeer-review

Open Access
File
163 Downloads (Pure)

Estimating the parameters of a stochastic differential equation model of bacterial growth

Christiansen, L. E., Andersen, J. S., Wegener, H. C. & Madsen, H., 2008, (Submitted) In : Biometrics.

Research output: Contribution to journalJournal articleResearch

Maximum Likelihood based comparison of the specific growth rates for P. aeruginosa and four mutator strains

Philipsen, K. R., Christiansen, L. E., Mandsberg, L. F., Ciufo, O. & Madsen, H., 2008, In : Journal of Microbiological Methods. 75, 3, p. 551-557

Research output: Contribution to journalJournal articleResearchpeer-review

2006

Spatial scan statistics using elliptic windows

Christiansen, L. E., Andersen, J. S., Wegener, H. C. & Madsen, H., 2006, In : Journal of Agricultural Biological & Environmental Statistics. 11, 4, p. 411-424

Research output: Contribution to journalJournal articleResearchpeer-review

2004

Effects of Climate on Incidence of Campylobacter spp. in Humans and Prevalence in Broiler Flocks in Denmark

Patrick, M. E., Christiansen, L. E., Wainø, M., Ethelberg, S., Madsen, H. & Wegener, H. C., 2004, In : Applied and Environmental Microbiology. 70, 12, p. 7474-7480

Research output: Contribution to journalJournal articleResearchpeer-review

2002

Nonlinear Characteristics of Randomly Excited Transonic Flutter

Christiansen, L. E., Lehn-Schiøler, T., Mosekilde, E., Granasy, P. & Matsushita, H., 2002, In : Mathematics and Computers in Simulation. 58, 4-6, p. 385-405

Research output: Contribution to journalJournal articleResearchpeer-review