Faculty and Staff


Kent Weigel

Dept. Chair- Professor
Breeding and Genetics
Room 266A Animal Sciences
Phone: 263-4321

Dr. Weigel’s research has focused on international genetic comparisons, genotype by environment interactions, genetic evaluation of health and management traits, and strategies to control inbreeding.

armentanoLou Armentano

Room: 952B Animal Sciences
Phone: 263-3490

Dr. Armentano specializes in ruminant nutrition physiology, especially the role of liver metabolism and its relation to protein nutrition. He also researches whole animal energy metabolism and the utilization of high fiber by-products for nutrition of the dairy herd.

cabreraVictor Cabrera

Associate Professor
Room: 279 Animal Sciences
Phone: 265-8506

Dr. Cabrera focuses on model-based decision support in dairy cattle and in dairy farm production systems. Dr. Cabrera primary interest is to improve cost-efficiency and profitability along with environmental stewardship in dairy farms by using simulation techniques, artificial intelligence and expert systems. Dr. Cabrera research and Extension programs involve interdisciplinary and participatory approaches towards the creation of user-friendly decision support systems. For More Information: http://dairymgt.uwex.edu/

Combs_Dave_2013_cropDave Combs

Room: 934f Animal Science Building
Phone: (608) 263-4844


frickePaul Fricke

Reproductive Physiology
Room: 278 Animal Sciences
Phone: 263-4596

Dr. Fricke’s research continues to focus on developing and improving methods for reproductive management of dairy cattle. The goal of Dr. Fricke’s extension program is to maximize reproductive efficiency of dairy cattle by applying knowledge gained through basic scientific research to develop practical management programs and technologies for use in production dairy cattle operations. For More Information: http://paulfricke.dysci.wisc.edu/

gianolaDan Gianola

Room: 440 Animal Sciences
Phone: 265-2054

Professor Gianola teaches advanced linear and nonlinear models, statistical genetics and Bayesian methods in animal breeding. He also conducts research in theory of quantitative genetics, statistical genetics and international aspects of animal breeding. His species of interest include dairy and beef cattle, swine and sheep. He holds joint appointments in the Department of Animal Sciences and in the Department of Biostatistics.

Laura L. Hernandez

Assistant Professor
Lactation Biology
Room: Room 864 Animal Sciences
Phone: (608) 263-9867

Dr. Hernandez’s research focuses on autocrine/paracrine factors that regulate milk synthesis and secretion, particularly during the transition periods of pregnancy to lactation and lactation to the dry period. The goal of Dr. Hernandez’s research is to elucidate novel methods for improving the ability of dairy cattle to maximize their lactation potential, either by improving the transition to lactation and/or alleviating dry period issues. For More Information: http://host.cals.wisc.edu/laurahernandezlab/

prueggPam Ruegg

Physiology and Management
Room: 282 Animal Sciences
Phone: 263-3495

Dr. Ruegg’s extension program is focused on enhancing on-farm implementation of best management practices to improve milk quality and safety. Her research interests are focused on the application of epidemiologic techniques to critical issues related to milk quality and safety. For More Information: http://www.uwex.edu/milkquality

shaverRandy Shaver

Room: 280 Animal Sciences
Phone: 263-3491

Dr. Shaver’s extension and research programs focus on applied nutrition of lactating dairy cattle. His research focuses on improving nutrient utilization of corn silage and corn grain and B-vitamin supplementation of dairy diets. For More Information: http://www.uwex.edu/ces/dairynutrition/

stantonAmy L. Stanton

Assistant Professor
Animal Well-Being Specialist
Room: 281 Animal Sciences
Phone: (608) 890-4781

wattiauxMichel Wattiaux

Nutrition & Management
Room: 434 Animal Sciences
Phone: 263-3493

Dr. Wattiaux’s instructional responsibilities include teaching ruminant nutrition and dairy management courses. Michel has a strong research interest in nutrient management systems and their application to dairy operations around the world. For More Information: http://dairynutrient.wisc.edu/

White_Heather_2013Heather White

Assistant Professor
Nutritional Physiology
Room: 934B Animal Sciences building
Phone: 608 263-7786

Dr. White’s research program focuses on hepatic carbon flux during the coordinated responses to the transition to lactation, nutrition, and stress in dairy cattle. The goals of Dr. White’s research program are to improve our understanding of the regulation of glucose, energy, and lipid metabolism to allow for improvement of feeding strategies, manipulation of metabolic capacity and efficiency, and development of intervention and treatment strategies of metabolic disorders. For More Information: http://heatherwhite.dysci.wisc.edu/

wiltbankMilo Wiltbank

Reproductive Physiology
Room: 850 Animal Sciences
Phone: 263-9413


Dr. Wiltbank studies the regulation of ovarian function. Basic studies focus on the regulation of hormonal receptors in the corpus luteum and developing ovarian follicle. Applied studies focus on development of methods that allow timed artificial insemination and improve pregnancy rates in dairy cattle.

Emeritus Faculty

Glen Broderick

US Dairy Forage Ctr/Nutrition
Room: 334 USDFRC
Phone: 890-0053

Dr. Broderick studies aspects of forage utilization such as protein degradation by rumen microorganisms, improving utilization of forage proteins and protein supplements by lactating cows.

Grummer_Ric_2010Ric Grummer

Room: 266A Animal Sciences
Phone: 263-3492

Dr. Grummer conducts research in lipid metabolism of dairy cattle. He investigates hepatic lipid metabolism, particularly as it relates to the etiology of lipid-related metabolic disorders such as fatty liver and ketosis. He also studies the effects of supplemental fat on lactation and reproductive performance.

Neal JorgensenNeal Jorgensen

Emeritus CALS Dean & Director
Emeritus Professor Dairy Science
Animal Nutrition
Lives in The Villages, FL

Howard LarsenHoward Larsen

Emeritus Professor
Dairy Research at Marshfield ARS
Nutrition Consulting
Lives in Bayfield County, WI

shookGeorge Shook

Emeritus – Genetics
Room: 456 Animal Sciences
Phone: 263-3486

Dave Wieckert-1David Wieckert

Room: 462 Animal Sciences

Affiliate Professors

Doug ReinemannDoug Reinemann (BSE)

232d Agricultural Engineering Bldg
460 Henry Mall
Madison, WI 53706
Phone:(608) 262-0223 

Doug has directed activities at the UW Milking Research and Instruction Laboratory since 1990.  As a long-time member and frequent chair of the NMC, IDF, ISO and ASABE milking machine committees, his work with international experts has been focused on the development and interpretation methods for machine milking performance indicators and the development and adoption of automatic milking systems.  Doug’s research interests also include rural energy issues, renewable energy systems, sustainable biofuel production,
integral ecology, and stray voltage. He attempts to bring a practical and rational perspective to his research and extension work.

Brian Kirkpatrick (AnSci)

646 Animal Science Building
1675 Observatory Dr
Madison, WI 53706
Phone:(608) 263-4323 

Jess Reed (AnSci)

256 Animal Science Building
1675 Observatory Dr
Madison, WI 53706
Phone: (608) 263-4310

Dorte Dopfer (SVM)

nigelNigel Cook (SVM)

2031 Veterinary Medicine Building
2015 Linden Dr
Madison, WI 53706
Phone: (608) 265-4981

Nigel Cook is a Professor in the Food Animal Production Medicine section of the University of Wisconsin-Madison, School of Veterinary Medicine. He qualified as a veterinarian in 1992 and worked in a large food animal clinic in Southern England for four years before moving to the Royal Veterinary College, Hertfordshire, where he spent three years as lecturer and head of the Large Animal Ambulatory Clinic. Since 1999 he has been in Wisconsin, providing a milk quality, lameness and facility troubleshooting service to farmers, teaching veterinary students, and developing research related to the influence of the environment on hoof, udder and fresh cow health. He is currently Chair of the Department of Medical Sciences and Past President of the American Association of Bovine Practitioners.

Academic Staff

Matt akins

Dairy Management Specialist
Room: 458 Animal Sciences
Phone: 890-3922

Sandy Bertics

Lab Manager
Room: 952F Animal Sciences
Phone: 263-4615

JEssica cedCederquisterquist

Herd Manager
Room: 261 Animal Sciences
Phone: 608-265-8957

Guenther_Jerry_2013_cropJerry Guenther

Research Program Manager
Room: 277 Animal Sciences
Phone: 890-0089

Halbach_Ted_2013_cropTed Halbach

Dairy Cattle Evaluation Instructor
Room: 283 Animal Sciences
Phone: 263-3305
Ted Halbach is a dairy management instructor in UW-Madison’s Department of Dairy Science. Since joining the dairy science staff in 1998, he has coordinated and supported dairy youth programs throughout Wisconsin, taught dairy cattle evaluation classes for both the four-year college program and the short course, and coached the UW-Madison’s highly successful dairy judging team. Ted now coordinates Dairy Science 233 and 234, that are both dairy management courses covering industry benchmarks and applied practices. He is also charged with developing an in-house Dairy Challenge competition.

For More Information: Halbachbio.pdf

Heinze_Beth_2010Beth Heinze

Ext. Dairy Youth Specialist
Room: 275 Animal Sciences
Phone: 263-9409

Nielsen_Karen_2013_cropKaren D. Nielsen

Babcock Institute for International Dairy Research and Development
University of Wisconsin-Madison
460 Animal Science Building, 1675 Observatory Drive Madison, WI  53706  USA
Telephone: 608-265-4169; Fax: 608-890-3014

email: knielsen@cals.wisc.edu; URL http://babcock.cals.wisc.edu

Peters_Tonia_2010Tonia Peters

Lab Manager
Room: 848 Animal Sciences
Phone: 263-5147

david l. rieman

Dairy Cattle Center Unit Manager
Phone: 262.2271

Sandy Trower

Blaine Dairy Res. Prog. Mgr.
Phone: 846-5219

Bruno Valente

Lab Manager
Room: 448 Animal Sciences
Phone: 263-7824

Teresa Walker

Lab Manager
Room: 1036 Animal Sciences
Phone: 608-263-3498

Internal Adjunct/Affiliate Staff

Ken Nordlund (SVM)

2056 Veterinary Medicine Building
2015 Linden Dr
Madison, WI 53706
Phone: (608) 263-6811

Garrett Oetzel (SVM)

2054 Veterinary Medicine Building
2015 Linden Dr
Madison, WI 53706
Phone: (608) 265-5476

Wayne Coblentz (USDFRC-Marshfield)

Animal Science Building
1675 Observatory Dr
Madison, WI 53706

Mary Beth Hall (USDFRC-Madison)

Animal Science Building
1675 Observatory Dr
Madison, WI 53706

Ken Kalscheur (USDFRC-Madison)

Administrative Staff

Rook_Cathy_2013_cropCathy Rook

DySci Student Coordinator
Program Support–Dairy Sci
Room: 266 Animal Sciences
Phone: 263-3308 (Main Office Number)

Hilmanowski_Nancy_2010Nancy Hilmanowski

Department Administrator
Room: 263 Animal Sciences
Phone: 263-6435

ritchieBrent Ritchie

Financial Specialist
Room: 266 Animal Sciences
Phone: 263-9410