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Iowa State University

Iowa State University
Picture of Leo L.Timms
Leo L. Timms
Morrill Professor
Iowa State University
123 Kildee Hall
Ames, IA 50011-3150
Phone: 515-294-4522
Cell: 515-291-7371
Fax:     515-294-2393
Email: ltimms@iastate.edu

Education
Doctor of Philosophy, University of Wisconsin: 1984
Master of Science, University of Wisconsin-Madison: 1982
Bachelor of Science, Cornell University: 1978

Awards
2013: Iowa State University Morrill Professor
2013: Iowa State University Award for Distinguished Service in Extension
2013: Iowa Association for Food Protection Merle P. Baker Award (highest association honor)
2012: Iowa State University College of Agriculture and Life Sciences Team Award (Dairy Extension)
2011: ADSA Fellow
2011: National Agri-Marketing Assoc. 1st place winner nationally: MDA Midwest Dairy Academy for Retail Excellence
2010: Best of Show Award: MDA Midwest Dairy Academy for Retail Excellence: Region III NAMA
2010: ADSA DeLaval Dairy Extension Award
2010: Dean Lee R. Kolmer Award for Excellence in Applied Research (ISU – first recipient ever)
2009: Midwest Dairy Council (MDA) Service Award
2005: West Agro, Inc Award for research on mastitis (American Dairy Science Association)
2004: Award for Achievement by an Organizational Team (ISU Extension)
2002: Gamma Sigma Delta Mission - Extension Award
2001: ADSA Innovation in Dairy Research Award
1999: Ralph Keeling State Dairy Award

Instruction
Dr. Timm's teaching responsibilities include veterinary science production medicine

Research
Dr. Timm's research areas include applied research in lactation and reproductive physiology and management.

Extension
Extension Dairy Specialist: Lactation and reproductive physiology and management, mastitis, housing and facilities.

Professional Affiliations
National Mastitis Council, board of directors and other committees; National Dairy Database (milk quality), editor; National Dairy Extension Quality Assurance Committee

Selected Publications
REFEREED JOURNAL ARTICLES
Arruda, A.G., S. Godden, P. Rapnicki, P. Gorden, L. Timms, S.S. Aly, T. Lehenbauer, and J. Champagne. 2013. Randomized non-inferiority clinical trial evaluating three commercial dry cow mastitis preparations: I. Quarter level outcomes. J. Dairy Sci. 96:4419

Arruda, A.G., S. Godden, P. Rapnicki, P. Gorden, L. Timms, S.S. Aly, T. Lehenbauer, and J. Champagne. 2012. Randomized non-inferiority clinical trial evaluating three commercial dry cow mastitis preparations: II. Cow health and performance in early lactation. J. Dairy Sci. 96:6390

Ramu, S., C. Stamatkin, L. Timms, M. Ruble, R. Roussev, and E, Barnea. 2013. PreImplantation factor (PIF) detection in maternal circulation in early pregnancy correlates with live birth (bovine model). Reproductive Biology and Endocrinology. 11:105

Aryeetey, R., G. Marquis, A. Lartey, L. Timms, and L. Brakohiapa. 2009. Evaluation of human subclinical mastitis on breast milk intake and child growth and performance. Breastfeeding Medicine Sept.; 4(3):161

Aryeetey, R., G. Marquis, L. Timms, A. Lartey, and L. Brakohiapa. 2008. Subclinical mastitis is common among Ghanaian women lactating 3 to 4 months postpartum. J.Human Lactation. Aug; 24(3):263

Lim, G., D. Kelton, K. Leslie, L. Timms, C. Church, and R. Dingwell. 2007. Herd management factors that affect the mean duration and variation of adherence of an external teat sealant in commercial Ontario dairy herds. J. Dairy Sci.:90. 1301

Lim, G., K. Leslie, Kelton, D., T.F. Duffield, L. Timms, and R. Dingwell. 2007. Adherence and efficacy of an external teat sealant to prevent intramammary infections in the dry period. J. Dairy Sci.:90.1289

PUBLISHED ABSTRACTS
Timms, L., M. Pawlak, and C. Durham. 2013 Evaluation of chlorine level stability in a novel teat dip disinfectant system. J. Dairy Sci. E-Suppl 1

Timms, L., M. Pawlak, and C. Durham. 2013 Development and evaluation of experimental chlorine technology pre and post milking teat dips on teat end and teat skin condition and health. J. Dairy Sci. E-Suppl 1

Smith, E., L. Timms, M. Pawlak, and C. Durham. 2013 Evaluation of experimental chlorine technology pre and post milking teat dips vs. a commercial hydrogen peroxide pre dip and iodine barrier post milking teat dip on teat end and teat skin condition and health. J. Dairy Sci. E-Suppl 1

Fogsgard, K., M. Herskin, P. Gorden, A. O’Connor, L. Timms, and S. Millman. 2012. Survey of management and design of hospital pens on Iowa dairy farms. Dairy Cattle Welfare Symposium, Guelph, Ontario

Arruda, A., S. Godden, P. Rapnicki, P. Gorden, L. Timms, S. Aly, T. Lehenbauer, and J. Champagne. 2012. Preliminary results from a non-inferiority clinical trial: Ability of three commercial dry cow mastitis preparations to cure intramammary infections present at dry off. AABP Proceedings.

Juarez, J. and L. Timms. 2010. Evaluation of prototype and commercial sodium chlorite (base/ activator) pre-post milking teat dips on teat end and teat skin condition and health. J. Dairy Sci. E-Suppl 1

Peters, J. and L. Timms. 2010 Evaluation of dripping and drying characteristics, teat coverage persistency, and teat health for two prototype and one commercial dry period persistent barrier teat dips. J. Dairy Sci. E-Suppl. 1

Bolen, K. and L. Timms. 2009. Consumer fluid milk choices: balancing nutrition, safety, cost, and emotions. J. Dairy Sci. 92. E-Suppl 1:242

Aryeetey, R., G. Marquis, L. Timms, A. Lartey, and L. Brakohiapa. 2009. Subclinical mastitis among Ghanaian 3-6 months postpartum. International Congress of Nutrition, Bangkok, TH

Aryeetey, R., G. Marquis, L. Timms, A. Lartey, and L. Brakohiapa. 2008. Is subclinical mastitis associated with reduced infant breast milk intake in Ghana. 14th Int. Conf., Int. Soc. Research in Human Milk and Lactation. Abstract 26

Timms, L. and J. Morelli. 2008. Teat end and skin conditioning evaluation of two experimental heptanoic acid teat dips during winter. J. Dairy Sci. 91. E-Suppl.1:302

Timms, L. 2008. Evaluation of a novel chlorine dioxide teat dip on teat end and teat skin health. J. Dairy Sci. 91. E-Suppl.1:302

Timms, L. 2008. Characteristics and use of separated manure solids following anaerobic digestion for dairy freestall bedding in three Iowa dairy herds. J. Dairy Sci. 91. E-Suppl.1:323

ISU ANIMAL INDUSTRY REPORTS
Bentley, J., L. Tranel, L. Timms, and K. Schulte. 2013. Automatic milking systems (AMS): Producer surveys. ASL-R2788

Tranel, L., J. Bentley, L. Timms, and K. Schulte. 2013. Low cost milking parlors (LCP): Producer surveys. ASL-R2789

Timms, L., J. Bentley, and M. Kregel. 2013. June dairy month open houses: Learning events to improve consumer understanding of modern animal agriculture. ASL-R2800

Smith, E., and L. Timms. 2013. Evaluation of teat coverage persistency and teat health for one new prototype and one commercial dry period persistent barrier teat dips. ASL-R2794

Harryman, K., and L. Timms. 2013. Evaluation of teat coverage persistency and teat health for four new prototype dry period persistent barrier teat dips. ASL-R2795

Bentley, J., L. Timms, and R. Lenth. 2013. The Iowa Dairy Story: educating young consumers. ASL-R-2790

Harryman, K., A. Meyers, L. Kain, N. Ferwerda, and L. Timms. 2013. Evaluation of mare’s milk composition and quality during lactation. ASL-R2783

Timms, L. 2013. On farm milk quality workshops pay dividend$. ASL-R2797

Timms, L., J. Bentley, and K. Schulte. 2013. 2012 Iowa dairy farm survey. ASL-R2798

Timms, L. 2013. Iowa’s dairy industry: an economic review. ASL-R2799

Timms, L. 2013. Evaluation of chlorine stability in a novel teat dip disinfectant system. ASL-R2801