Cheryl Waldner

    Dr. Cheryl Waldner

    Professor

    Research areas


    • Analytical epidemiology
    • Infectious disease epidemiology
    • Environmental epidemiology
    • Spatial analysis
    • Multilevel analysis
    • Infectious disease modeling
    • Water-quality and health
    • Food safety

    Current Research


    • Bharadwaj, L., Waldner, C., et al. 2012. Phase II funding for the Safe Water for Health Research Team, Saskatchewan Health Research Foundation.         
    • Campbell, J., Waldner, C., Jelinski, M., Hendrick, S., Stookey, J., Penner, G., Janzen, E. 2012. Implementation of a longitudinal disease surveillance network for cow-calf operations in western Canada, Beef Cattle Research Council.
    • Singh, B., Gerdts, V., Gordon, J.R., Misra, V., Potter, A.A., Townsend, H.G.G., Waldner, C.L., Weingarti, H., Phillips, P., Reeder, B.A.R., CREATE for Protecting the Health of Canadians: Integrated Training Program in Infectious Disease, Food Safety, and Public Policy, NSERC CREATE (Collaborative Research Training Experience ) Program.
    • Waldner, C. Differences in microbial contamination and susceptibility profiles of retail meat associated with inspection at slaughter. Public Health Agency of Canada (PHAC).
    • Waldner, C., Hendrick, S., Garcia Guerra, A. Hill, J. Sensitivity of a pooled real time PCR assay for Trichomonosis in bovine preputial samples, Saskatchewan Agriculture Development Fund (ADF).
    • Waldner, C., Bharadwaj, L. et al. Water Regulations: Impact on First Nations Health Equity and Promotion. Operating Grant: Population Health Intervention Research (Fall 2010 Competition), Canadian Institute for Health Research (CIHR).
    • Hendrick, S., Waldner, C.L., 2011. Improving Diagnostic Techniques for Bovine Venereal Disease in Bulls. Alberta Livestock and Meat Agency.
    • Napper, S., Potter, A., Griebel, P., Cashman, N., Tikoo, S., Osgood, N., Bollinger, T.,  Leighton, T., Waldner, C., Woodbury, M. Development of an oral vaccine for Chronic Wasting Disease, National Centres of Excellence  - PrioNet.
    • Waldner, C., Gow, S., Epp, T. Differences in microbial contamination of retail meat associated with inspection at slaughter. Canadian Regulatory Veterinary Epidemiological network (CRVE-net).

    Current Courses


    • VLAC 320.2          Evidence-Based Medicine
    • VINT 400.1          Introduction to Epidemiology for Regulatory Medicine and Public Health              
    • VLAC 898.3          Advanced Veterinary Biostatistics for Clinical Researchers
    • VPAT 873.3         Wildlife diseases (disease modeling)      
    • PUBH 832.3         Infectious disease epidemiology
    • PUBH 843.3         Advanced Methods in Analytical Epidemiology  
    • PUBH 846.3         Analytical Methods in Epidemiologic Research

    Other Courses


    • Waldner, C.L., Epp, T., 2012. Biostatistics Refresher Workshop. Saskatchewan Epidemiology Association, October 26, 2012. Saskatoon, SK.

    Recent Grants and Awards


    • Most Effective Professor,  School of Public Health Students Association, University of Saskatchewan, 2013.
    • Most Effective Professor,  School of Public Health Students Association, University of Saskatchewan, 2012.
    • Intervet Schering-Plough Award  for contributions to large animal medicine in Canada, Canadian Veterinary Medical Association, 2011.
    • New Researcher Award, University of Saskatchewan, Fall convocation, 2009.

    Select Publications


    • Chen, C.C., Jenkins, E., Epp, T., Waldner, C., Curry, P., Soos, C. Climate change and West Nile virus in a highly endemic region of North America. International Journal of Environmental Research and Public Health.  [Article in Press, ijerph-33543].
    • Marques, F., Waldner, C., Reed, S., Autet, F., Corbeil, L., Campbell, J. Effect of the Rider Experience and Evaluator Expertise on Subjective Lameness Grading of Sound and Unsound Sports Horses under Saddle. Canadian Journal of Veterinary Research. [Article in Press, CJVR-2013-0005.R1].
    • Chaban, B., Garcia Guerra, A., Hendrick, S., Waldner, C., Hill, J.E. Comparison of culturing methods reveals higher isolation rates of Campylobacter fetus subsp. venerealis from bovine preputial samples with passive filtration on non-selective media versus selective media. American Journal of Veterinary Research. [Article in Press, AJVR-13-02-0055].
    • Waldner, C., Jelinksi, M., McIntyre-Zimmer, K., 2012. Survey of western Canadian beef producers regarding calfhood diseases, management practices, and veterinary service usage. Canadian Veterinary Journal. [Article in Press, CVJ2012-0172].
    • Ellis, J., Waldner, C., Gow, S., Jackson, M. 2012. Relationship between pulmonary lesions and arterial pO2 and lactate concentrations in calves experimentally infected with bovine respiratory syncytial virus. Canadian Journal of Veterinary Research. [Article in Press, CVJR2012-0064].
    • Waldner, C.L.*, Garcia Guerra, A., 2013.  Cow attributes, herd management, and reproductive history events associated with the risk of nonpregnancy in cow-calf herds in Western Canada. Theriogenology. DOI: 10.1016/j.theriogenology.2013.02.004.
    • Waldner, C.L.**, Hendrick, S., Chaban, B., Garcia Guerra, A., Griffin, G., Campbell, J., Hill, J.E., 2013. Application of a new diagnostic approach to a Bovine Genital Campylobacteriosis outbreak in a Saskatchewan beef herd. Canadian Veterinary Journal, 54, 373-376.
    • Mayer, M.N., Lanovaz, J.L., Smith, M.J., Sidhu, N., Waldner, C.L., 2013. Measurement of Intrafractional Motion of the Thoracic Wall in Dogs Using a Real-Time Three-Dimensional Motion Tracking System. American Journal of Veterinary Research, 74, 11-16.
    • Chen, C.C., Epp, T., Jenkins, E., Waldner, C., Curry, P., Soos, C., 2012. Predicting Weekly Variation of Culex tarsalis (Diptera: Culicidae) West Nile Virus Infection in a Newly Endemic Region, the Canadian Prairies. Journal of Medical Entomology, 49, 1144-1153.
    • Chaban, B., Chu, S., Hendrick, S.,Waldner, C., Hill, J.E. Evaluation of a Campylobacter fetus subspecies venerealis real-time quantitative PCR for direct analysis of bovine preputial samples. Canadian Journal of Veterinary Research, 76, 166-173.
    • Mayer, M.N., Kraft, S.L., Bucy, D.S., Waldner, C.L., Elliot, K.M., Wiebe, S., 2012. Indirect magnetic resonance lymphography of the head and neck of dogs using gadofluorine M and a conventional gadolinium contrast agent:  A Pilot Study.  Canadian Veterinary Journal, 53, 1085-1090.
    • Epp, T. Y., Waldner, C.L., 2012. Occupational Health Hazards in Veterinary Medicine: Zoonoses and other Biological Hazards. Canadian Veterinary Journal, 53, 144-150.
    • Epp, T. Y., Waldner, C.L., 2012. Occupational Health Hazards Veterinary Medicine: Physical, Psychological and Chemical Hazards. Canadian Veterinary Journal, 53, 151-157.
    • Silbernagel, E., Skelton, N., Waldner, C., Bolinger, T., 2011. Interaction Among Deer in a Chronic Wasting Disease Endemic Zone. Journal of Wildlife Management, 75, 1453-1461.
    • Sebastian, T., Watts, J.M., Stookey, J., Buchanan, F., Waldner, C.L., 2011. Temperment in beef cattle: Methods of measurement and their relationship to production. Canadian Journal of Animal Science, 91, 557-565.
    • Van De Weyer, L.M., Waldner, C.L.*, 2011. Geographic determinants of copper and molybdenum concentrations in serum at the end of the grazing season and associations wth reproductive performance in beef cows from western Canada. Canadian Journal of Animal Science, 91, 423-431. 
    • Waldner, C.L.*, Van De Weyer, L.M., 2011. Selenium status at the end of the grazing season, reproductive performance and degenerative myopathy in beef herds. Canadian Veterinary Journal, 52, 1083-1088. 
    • Carmalt, J., Bell, C.D., Tatarniuk, D.M., Suri, S.S., Singh, B., Waldner, C., 2011. The Response of the Equine Temporomandibular Joint to Short-Term Inflammation as Compared to that of the Metacarpophalangeal Joint. American Journal of Veterinary Research, 72, 1586-1591. 
    • Epp T.Y., Waldner C., Berke O., 2011. Predictive Risk Mapping of West Nile Virus Infection in Saskatchewan Horses. Canadian Journal of Veterinary Research, 75, 161-170. 
    • Van De Weyer, L.M., Hendrick, S., Rosengren, L., Waldner, C.L.*, 2011. An update on leptospirosis in beef herds from Western Canada: Serum antibody titres and vaccination practices. Canadian Veterinary Journal. 52, 619–626. 
    • Van De Weyer, L.M., Hendrick, S., Waldner, C.L.*, 2010. Serum micronutrient concentrations in beef cows before and after the summer grazing season. Canadian Journal of Animal Science. 90, 563-574, doi: 10.4141/cjas10036. 
    • Van De Weyer, L.M., Hendrick, S., Waldner, C.L., 2010. Associations between pre-breeding serum micronutrient concentrations and pregnancy outcome in beef cows. Journal of the American Veterinary Medical Association. 238, 1323-1332. 
    • Lim, C.C., Bakker, S.C., Waldner, C.L., Sandmeyer, L.S., Grahn, B.H., 2011. Cataracts in 44 dogs (77 eyes): a comparison of outcomes for no treatment, topical medical management, or phacoemulsification with intraocular lens implantation. Canadian Veterinary Journal. 52, 283-288. 
    • Waldner, C.L., Kennedy, R.I., Rosengren, L.B., Pollock, C.M., Clark, E.G., 2010. A description of gross postmortem and histologic examination findings from abortion losses and calf mortalities in western Canadian beef herds. Canadian Veterinary Journal. 51, 1227–1238. 
    • Checkley, S., Campbell, J. Waldner, C., Chirino, M., and Dowling, T., 2010. A retrospective diagnostic laboratory survey of antimicrobial resistance in fecal Escherichia coli isolated from spring calves in Western Canada. Canadian Veterinary Journal. 51, 1283–1286. 
    • Waldner, C.L., Kennedy, R.I., Palmer, C.W., 2010. A description of the findings from bull breeding soundness evaluations and their association with pregnancy outcomes in a study of western Canadian beef herds. Theriogenology. 74, 871-883. 
    • Wilkins, W., Waldner, C.,  Rajic, A., McFall, M., Muckle, M., Mainar-Jaime, R.C., 2010. Comparison of bacterial culture and real-time PCR for the detection of Salmonella in grow-finish pigs in Western Canada using a Bayesian approach.  Zoonoses Public Health 57 Suppl, 1:115-120. 
    • Wilkins, W., Rajic, A., Parker, S., Waddell, L., Sanchez, J., Sargeant, J., Waldner, C.*, 2010. Examining heterogeneity in the diagnostic accuracy of culture and PCR for Salmonella spp. in swine: A systematic review / meta-regression approach.  Zoonoses Public Health 57 Suppl, 1:121-134. 
    • Checkley, S., Campbell, J. Waldner, C., Chirino, M., and Janzen, E., 2009. Associations between antimicrobial use and the prevalence of antimicrobial resistance in fecal Escherichia coli from feedlot cattle in western Canada.  Canadian Veterinary Journal 51, 853–861. 
    • Anthony, J.,Waldner, C., Grier, C., Laycock, A., 2010. A Survey of Equine Oral Pathology. Veterinary Dentistry. 27(1) 12-15. 
    • Epp, T., Waldner, C., Argue, C., 2010. Case-control study of farms during an anthrax outbreak in Saskatchewan, 2006. Canadian Veterinary Journal. 51, 963-972. 
    • Epp, T., Argue, C., Waldner, C., Berke, O., 2009. Spatial analysis of Anthrax cases in Saskatchewan, 2006. Canadian Veterinary Journal. 51, 743-748.  
    • Mayer, M. N., Waldner, C.L., Elliot, K.M., Sidhu, N., 2010. Comparison of interfractional variation in canine head position using palpation and a head-repositioning device.  Veterinary Radiology & Ultrasound. 51, 472-476. 
    • Sandmeyer L.S., Waldner C.L., Bauer B.S., Wen X., Bienzle D. 2010. Comparison of polymerase chain reaction tests for diagnosis of feline herpesvirus, Chlamydophila felis and Mycoplasma spp. infection in cats with ocular disease in Canada. Canadian Veterinary Journal.  51, 629-633. 
    • Seekallu, S.V., Toosi, B.M., Duggavathi, R., Barrett, D.M., Davies, K.L., Waldner, C., Rawlings, N.C., 2010. Ovarian antral follicular dynamics in sheep revisited: comparison amongst estrous cycles with three or four follicular waves. Theriogenology. 15, 670-680. 
    • Nibblett, B.M., Snead, E.C., Waldner, C., Taylor, S.M., Jackson, M.L., Knorr, L.M. 2010. Hemotropic Mycoplasma Prevalence in Shelter and Client-owned Cats in Saskatchewan and a Comparison of PCR Results from Two Independent Laboratories. Canadian Journal of Veterinary Research. 74, 91-96. 
    • Wilkins, W., Rajić, A., Waldner, C., McFall, M., Chow, E., Muckle, A., Rosengren, L., 2010. Distribution of Salmonella serovars in breeding, nursery, and grow-to-finish pigs, and risk factors for shedding in ten farrow-to-finish swine farms in Alberta and Saskatchewan. Canadian Journal of Veterinary Research. 74, 81-90.  
    • Hannon, S.J., Allan, B., Inglis, D., Waldner, C., Russell, M.L., Potter, A., Babiuk, B. and Townsend, H.G.G., 2009. Prevalence and Risk Factor Investigation of Campylobacter Species in Retail Ground Beef from Alberta, Canada. Food Protection Trends. 29(11),780-786.   
    • Nibblett, B., Snead, E.C., Waldner, C., Taylor, S., Jackson, M., Knorr, L., 2009. Anemia in cats with hemotropic mycoplasma infection: Retrospective evaluation of 23 cases (1996–2005). Canadian Veterinary Journal. 50, 1181-1185. 
    • Epp, T., Waldner, C., Berke, O., 2009. Predicting geographical human risk of West Nile virus; Saskatchewan, 2003 and 2007. Canadian Journal of Public Health. 100, 341-345. 
    • Gow, S.P., Waldner, C.L. 2009. Antimicrobial drug use and reason for treatment in 203 western Canadian cow-calf 2 herds during calving season. Preventive Veterinary Medicine. 90, 55-65. 
    • Asiamah, P.A.,  Bechtel,  D.G.,  Waldner,  C., Buchanan, F.C., 2009. Effects of leptin arg25cys on peripheral lymphocyte counts and antibody response to vaccination in beef cattle. Animal Genetics. 40, 783-787. 
    • Hannon, S.J., Allan, B.,  Waldner, C., Russell, M.L., Potter, A., Babiuk, L., Townsend,  H.G.G., 2009. Prevalence and risk factor investigation of Campylobacter species and Campylobacter jejuni in beef cattle feces from seven large commercial feedlots in Alberta, Canada. Canadian Journal of Veterinary Research, 73, 275-282. 
    • Waldner, C. L., R. I. Kennedy, L. Rosengren, E. G. Clark. 2009. A field study of culling and death loss in adult beef cows from Western Canada including gross post mortem and histological examination findings. Canadian Veterinary Journal. 50, 275-281.  
    • Rosengren, L., C. Waldner, R. Reid-Smith, and A. Valdivieso-Garcia. 2009. Associations between antimicrobial exposure and resistance in fecal Campylobacter spp. from grow-finish pigs on-farm in Alberta and Saskatchewan, Canada. Journal of Food Protection, 72, 482-489. 
    • Gow, S.P., Waldner, C.L., 2009. Antimicrobial resistance and virulence factors stx1, stx2 and eae in generic Escherichia coli isolates from calves in Western Canadian cow-calf herds. Microbial Drug Resistance. 15, 61-67. 
    • Waldner, C. L., L. Rosengren. 2009. Factors associated with serum immunoglobulin G levels in beef calves from Alberta and Saskatchewan and associations between passive transfer and health outcomes. Canadian Veterinary Journal, 50:275-283. 
    • Rosengren, L., C. Waldner, R. Reid-Smith. 2009. Associations between antimicrobial resistance genes, and virulence genes of fecal Escherichia coli from healthy grow-finish pigs. Applied and Environmental Microbiology, 75, 1373-1380. 
    • Hannon, S.J., E.N. Taboada, M.L. Russell, B. Allan, C. Waldner, H.L. Wilson, A. Potter, L. Babiuk, and H.G.G. Townsend. 2009. Genomics-based molecular epidemiology of Campylobacter jejuni isolates from feedlot cattle and people in Alberta, Canada. Journal of Clinical Microbiology, 47, 410-420. 
    • Waldner, C.L. Clark, E.G., 2009. Association between exposure to emissions from the oil and gas industry and pathology of the immune, nervous, and respiratory systems, and skeletal and cardiac muscle in beef calves. Archives of Environmental and Occupational Health, 64, 6-27. 
    • Waldner, C.L., 2009. The risk of abortion and stillbirth in cow-calf herds exposed to the oil and gas industry in Western Canada. Archives of Environmental and Occupational Health, 64, 29-45. 
    • Bechtel, D.B., Waldner, C.L., Wickstrom, M., 2009. Associations between immune function in yearling beef cattle and airborne polycyclic aromatic hydrocarbons and PM1.0 near oil and natural gas field facilities. Archives of Environmental and Occupational Health, 64, 47-58.  
    • Bechtel, D.B., Waldner, C.L., Wickstrom, M., 2009. Associations between in utero exposure to airborne emissions from oil and gas production and processing facilities and immune system outcomes in neonatal beef calves. Archives of Environmental and Occupational Health, 64, 59-71.
    • Bechtel, D.B., Waldner, C.L., Wickstrom, M., 2009. Associations between immune function in yearling beef cattle and airborne emissions of SO2, H2S, and VOCs from oil and natural gas facilities. Archives of Environmental and Occupational Health, 64, 73-86.
    • Epp, T., Waldner, C., Corrigan, R., Curry, P.. 2008. Public Health use of surveillance for WNV in Horses: Saskatchewan, 2003-2005. Transboundary and Emerging Diseases, 55, 411-416.
    • Waldner, C.L., 2008. Western Canada study of animal health effects associated with exposure to emissions from oil and natural gas field facilities. Study design and data collection I. Herd performance records and management. Archives of Environmental and Occupational Health, 63, 167-186.
    • Waldner, C.L., 2008. Western Canada study of animal health effects associated with exposure to emissions from oil and natural gas field facilities. Study design and data collection II. Location of study herds relative to the oil and gas industry in Western Canada. Archives of Environmental and Occupational Health, 63,187-200. 
    • Waldner, C.L., 2008. Western Canada study of animal health effects associated with exposure to emissions from oil and natural gas field facilities. Study design and data collection III. Methods of assessing animal exposure to contaminants from the oil and gas industry. Archives of Environmental and Occupational Health, 63, 201-219.
    • Waldner, C.L., 2008. The risk of nonpregnancy, risk of disposal for pregnant cows, and duration of the calving interval in cow-calf herds exposed to the oil and gas industry in Western Canada. Archives of Environmental and Occupational Health, 63, 220-240.
    • Waldner, C.L., 2008. The association between exposure to the oil and gas industry and beef calf mortality in Western Canada. Archives of Environmental and Occupational Health, 63, 241-261.
    • Stull, J.W., Evason M., Carr A.P., Waldner C., 2008. Canine immune-mediated polyarthritis: Clinical and laboratory findings in 83 cases in western Canada (1991-2001). Canadian Veterinary Journal, 49, 1195-1203.
    • Waldner, C.L., Kennedy, R.I., 2008. Antibodies for Bovine Viral Diarrhea Virus and Infectious Bovine Rhinotracheitis Virus, and persistent infection with BVDV in beef calves at weaning and health and performance in cow-calf herds. American Journal of Veterinary Research, 69, 916-927.
    • Gow, S.P., Waldner, C.L., Harel, J. Boerlin, P., 2008. Associations between antimicrobial resistance genes in fecal generic Escherichia coli isolates in western Canadian cow-calf herds. Archives of Environmental Microbiology, 74, 3658-3666.
    • Rosengren, L.B., Waldner, C.L., Reid-Smith, R.J., Checkley, S.L., McFall, M.E., Rajic, A., 2008. Antimicrobial resistance of fecal Escherichia coli isolated from grow-finish pigs in 20 herds in Alberta and Saskatchewan, Canada. Canadian Journal of  Veterinary Research, 72,160-167.
    • Rosengren, L., Waldner, C., Reid-Smith, R., Harding, J., Gow, S., Wilkins, W., 2008. Use of antimicrobials through feed, water and injection in pig farms in Alberta and Saskatchewan, Canada. Canadian Journal of  Veterinary Research, 72, 143-150.
    • Rosengren, L.B., Waldner, C.L., Reid-Smith, R.J., Checkley, S.L., McFall, M.E., Rajic, A., 2008. Antimicrobial resistance of fecal Salmonella spp. isolated from all phases of pig production in 20 herds in Alberta and Saskatchewan, Canadian Journal of  Veterinary Research, 72,151-159.
    • Gow, S., C. Waldner, A. Rajic, M. McFall, Reid-Smith, R., 2008. Prevalence of antimicrobial resistance in fecal generic Eschericia coli isolated in western Canadian cow-calf herds. Part I: Beef calves. Canadian Journal of  Veterinary Research, 72, 82-90.
    • Gow, S., C. Waldner, A. Rajic, M. McFall, Reid-Smith, R.,  2008. Prevalence of antimicrobial resistance in fecal generic E. coli isolated in western Canadian cow-calf herds. Part II: Cows and cow-calf pairs. Canadian Journal of  Veterinary Research, 72, 91-100.
    • Barlund, C.S., Carruthers, T.D., Waldner, C.L., Palmer, C.W., 2008. A comparison of diagnostic techniques for postpartum endometritis in dairy cattle. Theriogenology. 69, 714-723.