Simon Dufour

Français
Assistant professor (directory entry)

Training

  • D.V.M., Université de Montréal (1998)
  • Ph.D. veterinary sciences, epidemiology, Université de Montréal (2011)
  • Post-doctoral fellowship, epidemiology-computer science, University of Prince Edward Island, 2011-2012)


Professionnal activities

  • Director, Canadian Bovine Mastitis and Milk Quality Research Network (CBMMQRN)
  • Member of the NMC research committee

Professionnal / research interests

  • Understanding intramammary infection dynamics and associated risk factors.
  • Developement of tools for surveillance and monitoring of intramammary infection incidence on dairies.
  • Development of a structured approach for improving milk quality in Canadian dairy herds.
  • Quantitative bias analysis.
  • Development of statistical models accounting for the imperfect sensitivity and specificity of the diagnostic test in longitudinal studies.
  • Validation of epidemiologic questionnaires.
  • Developement of novel approaches for evaluating clinical reasoning.
  • Communication and knowledge transfer strategies.

Research opportunities for students

Please contact me directly regarding training opportunities.


Publications

Peer-reviewed 

2014

Veh, K. A., R. C. Klein, C. Ster, G. P. Keefe, P. Lacasse, D. T. Scholl, J. P. Roy, D. Haine, S. Dufour, B. G. Talbot, A. O. B. Ribon, and F. Malouin. Accepted for publication. Genotypic and phenotypic characterization of staphylococcus aureus causing persistent and non-persistent subclinical bovine intramammary-quarter infections during lactation and at dry-off. Journal of Dairy Science.

Elghafghuf, A., S. Dufour, K. K. Reyher, I. R. Dohoo, and H. Stryhn. Accepted for publication. Survival analysis of clinical mastitis data using a nested frailty Cox model fit as a mixed-effects Poisson model. Preventive Veterinary Medicine.

Fry, P. R., J. R. Middleton, S. Dufour, J. Perry, D. Scholl, and I. Dohoo. 2014. Association of coagulase-negative staphylococcal species, mammary quarter milk somatic cell count, and persistence of intramammary infection in dairy cattle. Journal of Dairy Science 97(8):4876-4885.

Boulay, G., D. Francoz, E. Dore, S. Dufour, M. Veillette, M. Badillo, A. M. Belanger, and S. Buczinski. 2014. Preoperative cow-side lactatemia measurement predicts negative outcome in Holstein dairy cattle with right abomasal disorders. Journal of Dairy Science 97(1):212-221.

2013

Dufour, S. and I. R. Dohoo. 2013. Relationship between herd intramammary infection incidence and elimination rate during the dry period. Journal of Dairy Science 96(3):1672-1676.

Dufour, S. and I. R. Dohoo. 2013. Monitoring lactating cows herd incidence of intramammary infection using repeated longitudinal somatic cell count measurements. Journal of  Dairy Science 96(3):1568-1580.

2012 

Dufour, S. et I. R. Dohoo. 2012. Monitoring dry period intramammary infection incidence and elimination rates using somatic cell count measurements. Journal of  Dairy Science 95:7173-7185.

Saini, V., J. T. McClure, D. Léger, S. Dufour, A. G. Sheldon, D. T. Scholl, et H. W. Barkema. 2012. Antimicrobial use on Canadian dairy farms. Journal of Dairy Science 95:1209-1221.

Dufour, S., S. Latour, Y. Chicoine, G. Fecteau, S. Forget, J. Moreau, et A. Trépanier. 2012. Use of the Script Concordance Approach to Evaluate Clinical Reasoning of Food Animal Ruminant Practitioners. Journal of Veterinary Medical Education 39(3):267-275.

Dufour, S., I. R. Dohoo, H. W. Barkema, L. Des Côteaux, T. J. DeVrie, K. K. Reyher, J.-P. Roy, et D. T. Scholl. 2012. Coagulase-negative staphylococci intramammary infection epidemiology in dairy cattle and impact of bacteriological culture misclassification. Journal of Dairy Science 95:3110-3124.

Dufour, S., I. R. Dohoo, H. W. Barkema, L. Des Côteaux, T. J. DeVrie, K. K. Reyher, J.-P. Roy, et D. T. Scholl. 2012. Manageable risk factors associated with the lactational incidence, elimination, and prevalence of Staphylococcus aureus intramammary infections in dairy cows. Journal of Dairy Science 95:1283-1300.

2011

Reyher, K. K., S. Dufour, H. W. Barkema, L. Des Côteaux, T. J. DeVries, I. R. Dohoo, G. P. Keefe, J.-P. Roy, et D. T. Scholl. 2011. The National Cohort of Dairy Farms – A data collection platform for mastitis research in Canada. Journal of Dairy Science 94(3):1616-1626.

Dufour, S., A. Fréchette, H. W. Barkema, A. Mussell, et D. T. Scholl. 2011. Invited Review: Impact of udder health management practices on herd somatic cell count. Journal of Dairy Science 94:563-579.

Dohoo, I. R., J. Smith, S. Andersen, D. F. Kelton, S. Godden, et M. R. W. Conference. 2011. Diagnosing intramammary infections: evaluation of definitions based on a single milk sample. Journal of Dairy Science 94(1):250-261.

2010

Dufour, S., H. W. Barkema, L. Des Côteaux, T. J. DeVries, I. R. Dohoo, K. K. Reyher, J.-P. Roy, et D. T. Scholl. 2010. Development and validation of a bilingual questionnaire for measuring udder health related management practices on dairy farms. Preventive Veterinary Medicine 95:74-85.

DeVries, T. J., S. Dufour, et D. T. Scholl. 2010. Relationship between feeding strategy, lying behavior patterns, and incidence of intramammary infection in dairy cows. Journal of Dairy Science 93:1987-1997.

Andersen, S., I. R. Dohoo, R. Olde Riekerink, H. Stryhn, et Mastitis Research Workers' Conference. 2010. Diagnosing intramammary infections: Evaluating expert opinions on the definition of intramammary infection using conjoint analysis. Journal of Dairy Science 93:2966-2975.

Monographs

Dufour, S., J.-P. Roy, E. Bouchard, J. Carrier, M. Brodeur, Y. Chorfi, J.-Y. Perreault, J. Wallace, B. Nolet, V. Filteau, V. Caldwell, J. Durocher, V. Tremblay, C. Fleury, S. Robert, S. Bilodeau, R. Fortin, et M.-H. Labrie. 2009. Trousse Vétérinaire TACTIC Santé du Pis. RCRMB, St-Hyacinthe, Canada.

Dufour, S., J.-P. Roy, E. Bouchard, J. Carrier, M. Brodeur, Y. Chorfi, J.-Y. Perreault, J. Wallace, B. Nolet, V. Filteau, V. Caldwell, J. Durocher, V. Tremblay, C. Fleury, D. McDermid, M. Chan, R. Webber, R. Berry, T. J. DeVrie, G. Séguin, J. Hobson, A. R. Haight, W. Shewfelt, G. P. Keefe, W. Schenkels, F. Schenkels, D. Anderson, et R. Sampson. 2011. Veterinary Kit Tactic Udder Health. CBMRN, St-Hyacinthe, Canada.

© Faculté de médecine vétérinaire. Université de Montréal | Webmestre| Pour nous joindre