Assistant Professor

  Area of Expertise

• Milk Quality
• Milking Management
• Mammary Health
• Mastitis

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  Academic Training

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  Professional Data

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  Honors & Awards

• Kennedy Fellowship, Department of Animal Sciences at The Ohio State University
  (Fall 2003)
• Chancellor's List for Graduate Students (Spring 2005 & 2006)
• Penn State Coaly Honor Society (Spring 1998

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  Instruction

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  Research

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  Extension

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  Student Advising

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  Publications

Journal articles

• Leslie, K.E., C.S. Petersson , E. Vernooy, and A. Bashiri. 2005. Efficacy of an iodophore teat disinfectant against Staphylococcus aureus and Streptococcus agalactiae in experimental challenge. J. Dairy Sci. 88:406-410.
• Petersson-Wolfe, C.S. , T.F. Duffield, K.E. Leslie, B.W. McBride, R. Bagg, G. Vessie, and P. Dick. 2007. Effect of delivery of monensin on dry matter intake and metabolic parameters in transition dairy cows. J. Dairy Sci (in press).
• Hogan, J.S., S.L. Wolf and C.S. Petersson-Wolfe. 2007. Bacterial counts in organic materials used as free stall bedding following treatment with a commercial conditioner. J. Dairy Sci. (in press).

Abstracts

• Kelton, D.F., C.S. Petersson , K.E. Leslie, and D. Hansen. 2001. Associations between clinical mastitis and conception on Ontario dairy farms. Pp. 228-229 in Natl. Mastitis Counc. Annu. Mtg. Proc., Reno, NV.
• Petersson, C.S. , K.E. Leslie, D.F. Kelton, B.A. Mallard, and S.W. Martin. 2002. Impact of two coliform mastitis vaccination schedules on milk production and dry matter feed intake of dairy cattle. Pp. 168-169 in Natl. Mastitis Counc. Annu. Mtg. Proc., Orlando, FL.
• Petersson, C.S. , K.E. Leslie, D.F. Kelton and B.A. Mallard. 2002. Impact of two coliform mastitis vaccination schedules on milk yield, dry matter feed intake and intramammary infections of dairy cattle. J. Dairy Sci. 85(Suppl. 1):84.
• Petersson, C.S. , K.E. Leslie, D.F. Kelton, B.A. Mallard, T.M. Osborne and A.M. Fairfield. 2003. Impact of two coliform mastitis vaccination schedules on immune response, milk yield, intramammary infection and dry matter feed intake in Holstein dairy cattle. Pp. 356-357 in Natl. Mastitis Counc. Annu. Mtg. Proc., Fort Worth, TX.

INVITED PAPERS:

• Kelton, D.F., C.S. Petersson , K.E. Leslie and D. Hansen. 2001. Associations between clinical mastitis and pregnancy on Ontario dairy farms. Pp. 200-201 in Proc. of 2 nd Intl. Symp. on Mastitis and Milk Quality, Vancouver, British Columbia, Canada.
• Petersson, C.S. , K.E. Leslie, D.F. Kelton, B.A. Mallard, T.M. Osborne and A.M. Fairfield. 2003. Impact of two coliform mastitis immunization schedules on immune response, milk yield, intramammary infection and dry matter feed intake in Holstein dairy cattle. Pp. 165-166. in Proc. of Amer. Assoc. of Bov. Pract., Columbus, OH.
• Leslie, K.E., T.F. Duffield, T.M. Osborne, C.S. Petersson , and T. Geishauser. 2004. Associations between prepartum metabolic indicators and ketone concentrations post-calving in transition dairy cows. Pg. 120. in Proc. of World Buiatrics Conf., Quebec City, Quebec, Canada.
• Petersson, C.S. , K.E. Leslie, T.F. Duffield, T.M. Osborne, B.W. McBride, R. Bagg, and P. Dick. 2004. Effect of the method of delivery of monensin on serum insulin and cortisol concentrations in transition dairy cows. J. Dairy Sci. 87(Suppl. 1):280.
• Petersson, C.S. , K.E. Leslie, D.F. Kelton, B.A. Mallard, and S.W. Martin. 2004. Impact of two Escherichia coli J5 immunization protocols on milk production, dry matter feed intake, antibody response and intramammary infection in dairy cattle. J. Dairy Sci. 87(Suppl. 1): 281.

PRESENTATIONS:

•  “The impact of two coliform mastitis immunization schedules on milk production, immune response, intramammary infection and reproduction parameters” – proposal presented at The Mastitis Research Workers Conference, Chicago, IL. November 2000.
• “Preliminary results and update of the current J5 research trial” – presented at The Mastitis Research Workers Conference, Chicago, IL. November 2001.
• “Impact of two coliform mastitis vaccination schedules on immune response, milk yield, dry matter feed intake and intramammary infection of dairy cattle” – presented at the Transition Cow Meeting, Guelph, Ontario, Canada. February 2002.
• “Impact of two coliform mastitis vaccination schedules on immune response, milk yield, dry matter feed intake and intramammary infection of dairy cattle” – presented at The Mastitis Research Workers Conference, Chicago, IL. November 2002.
• “Dry cow management strategies” – presented at the Dairy Farmers of Ontario Meeting, Guelph, Ontario, Canada. February 2003.
• “A review of recent publications on Orbeseal; experimental design and statistical analyses” – presented at the graduate student seminar series, The Ohio State University, Columbus, OH. February 2004.
• “Listeria monocytogenes: prevention, treatment and pathogenesis” – presented in Mechanisms of Microbial Disease, Columbus, OH. April 2004.
• “Lipopolysaccharide recognition by Toll-like receptor 4 and subsequent gene expression” – presented at the graduate student seminar series, The Ohio State University, Wooster, OH. November 2004.

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