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If you would like more information on milking systems, have questions or comments, please feel free to send us an email to:

Doug Reinemann
Professor and CALS Associate Dean for Outreach and Extension
Head of UW Milking Research and Instruction Lab

We are housed in the Biological Systems Engineering Department (BSE) at UW-Madison
540 Elm Drive, Madison, WI 53706

Douglass J. Reinemann, Ph.D.

Douglas Reinemann has been a professor and Director of the UW Milking Research and Instruction lab since 1990. He is the U.S. representative and Chair of the International Dairy Federation’s working group on machine milking and is the U.S. representative to the International Standards Organization committees on milking machine performance and installation and Automatic Milking Installations. He has chaired the machine milking committees of the ASABE and the NMC.  

Follow our Projects to know more about recent publications related to the UW Milk Research and Instruction Lab.

Former Students

19. Pablo Silva-Bolona, PhD, Dairy Science, 2020.  Robotic Milking Management. expand_more

  • Silva-Bologna, P, J Upton, V Cabrera, E Tedward and DJ Reinemann, 2022.  A simulation model of quarter milk flowrate curves to estimate quarter and cow milking duration and automated milking system’s box duration.  J. Dairy Sci. In press
  • Silva-Bologna, P., DJ Reinemann and J Upton, 2021. Increasing the teatcup removal settings of the last milking quarter did not reduce box time in a pasture based automatic milking system. J. Dairy Sci. 104(1)532-538.  https://doi.org/10.3168/jds.2020-18464
  • Silva-Boloña, P, J Upton and DJ Reinemann, 2020.  Effect of simulated quarter and udder removal settings on residual milk and milking time in lactating dairy cows. J. Dairy Sci.  103:4446-4454. https://doi.org/10.3168/jds.2019-17266
  • Upton J, P Silva-Boloña, and DJ Reinemann, 2019.  Short Communication: Effect of changing teatcup removal and vacuum settings on milking efficiency of an automatic milking system.  J. Dairy Sci. 102. https://doi.org/10.3168/jds.2018-16035
  • Silva-Boloña, P, DJ Reinemann and J Upton J, 2019.  Effect of teatcup removal settings on milking efficiency and milk quality in a pasture-based automatic milking system.  J. Dairy Sci. 102:8423–8430 https://doi.org/10.3168/jds.2018-15839

18. John Penry, PhD, Dairy Science, 2017. Optimization of milking management at the quarter level. expand_more

  • Thompson, PD, A Dzidic, GA Mein, JF Penry, SA Sanford, and DJ Reinemann, 2021.  Cyclic pressure applied to cows’ teats by teatcup liners can be determined simply and noninvasively. J. Dairy Sci. 104(2)1881-1886. https://doi.org/10.3168/jds.2020-18854
  • Reinemann, DJ, M. Zucali, V. Inzaghi, P. Thompson, J. Penry, P. Silva-Boloña, J. Upton, 2019.  Prospects for precision milking management in automatic milking system. European Conference on Precision Livestock Farming ’19, B. O’Brien, D. Hennessy, and L. Shalloo Editors, pp 212-219
  • Thompson, PD, A Dzidic, GA Mein, JF Penry, S Sanford, A Squitieri, and DJ Reinemann, 2019.   A new method of measuring liner overpressure. European Conference on Precision Livestock Farming ’19, B. O’Brien, D. Hennessy, and L. Shalloo Editors, pp 233-240
  • Penry, JF, PM Crump, LL Hernandez, and DJ Reinemann, 2018.  Association of quarter milking measurements and cow-level factors in an automatic milking system.  J. Dairy Sci. 101(8)7551-7562. https://doi.org/10.3168/jds.2017-14153
  • Penry, JF, PM Crump, LL Hernandez, and DJ Reinemann, 2018.  Association of milking interval and milk production rate in an automatic milking system. J. Dairy Sci. 101(2)1616–1625. https://doi.org/10.3168/jds.2016-12196
  • Penry, JF, J Upton, S. Leonardi, P.D. Thompson, and DJ Reinemann, 2018. A method for assessing liner performance during the peak milk flow period. J. Dairy Sci. 101(1)649–660. https://doi.org/10.3168/jds.2017-12942
  • Penry, JF, PM Crump, PL Ruegg, and DJ Reinemann, 2017. Cow- and quarter-level milking indicators and their associations with clinical mastitis in an automatic milking system. J. Dairy Sci. 100(11)9267–9272. https://doi.org/10.3168/jds.2017-12839
  • Penry, JF, EL Endres, B de Bruijn, A. Kleinhans, PM Crump, DJ Reinemann, LL Hernandez, 2017.  Effect of incomplete milking on milk production rate and composition with 2 daily milkings. J. Dairy Sci.  100(2)1535–1540. https://doi.org/10.3168/jds.2016-11935
  • Penry, JF, J Upton, GA Mein, MD Rasmussen, I Ohnstad, PD Thompson, and DJ Reinemann, 2017. Estimating teat canal cross-sectional area to determine the effects of teat-end and mouthpiece chamber vacuum on teat congestion, J. Dairy Sci. 100(1)821–827. https://doi.org/10.3168/jds.2016-11533
  • Upton J, DJ Reinemann, JF Penry, and PD Thompson, 2016. A quarter milking analysis device: development and demonstration.  Biosystems Engineering, 147:259-264. https://doi.org/10.1016/j.biosystemseng.2016.04.016
  • Penry, JF, S Leonardi, J. Upton, PD Thompson and DJ Reinemann, 2016 Assessing liner performance using on-farm milk meters.  J. Dairy Sci. 99(8)6609-6618. https://doi.org/10.3168/jds.2015-10310
  •  Upton J, JF Penry, MD Rasmussen, PD Thompson and DJ Reinemann, 2016.  Effect of pulsation rest phase duration on teat end congestion.  Journal of Dairy Science 99(5)3958-3965. https://doi.org/10.3168/jds.2015-10466
  • Leonardi, S, JF Penry, FM Tangorra, PD Thompson and DJ Reinemann, 2015.  Methods of Estimating Liner Compression.  Journal of Dairy Science, 98(10)6905-6912.

17. Jack Buchanan, PhD, Gaylord Nelson Institute of Environmental Studies, Environment and Resources program, 2016, Developing a transdisciplinary heuristic framework for complex problems in agriculture and environmentexpand_more

  • Buchanan, JH, and DJ Reinemann, 2013.  Critical Realist Integral Methodological Pluralism for Interdisciplinary Research in Agro-ecology.  Journal of Integral Theory and Practice, 8(3&4)317-325

16. Rob Rowbotham, PhD, Dairy Science, 2015. Association between Dairy Cow Bedding and Milk Quality. Co-Advised with Pamela Ruegg.  expand_more

15. Horacio A. Aguirre-Villegas, PhD, Biological Systems Engineering, Energy Analysis and Policy minor, 2014.  Integrating dairy and bioenergy systems to achieve environmental sustainability: the influence of different lifecycle pathways on energy, greenhouse gas emissions, and nutrients.expand_more

  • Aguirre-Villegas HA, Cortus E, and Reinemann D, The Role of Anaerobic Digestion and Solar PV to Achieve GHG Neutrality in a Farm Setting, 2022, Energies, 15, 1975, https://doi.org/10.3390/en15061975.
  • Aguirre-Villegas, HA, TH Passos-Fonseca, DJ Reinemann, and R Larson, 2017.  Got pasture? How grazing intensity affects the environmental impacts of dairy systems.  J. Dairy Sci. 100(18)6804-6821. https://doi.org/10.3168/jds.2016-12325
  • Aguirre-Villegas, H, R Larson and DJ Reinemann, 2015. Effects of management and co-digestion on life cycle emissions and energy from anaerobic digestion.  Greenhouse Gasses Science and Technology 5(5)1-19.
  • Aguirre-Villegas, HA, TH Passos-Fonseca, DJ Reinemann, LE Armentano, MA Wattiaux, VE Cabrera, JM Norman, and R Larson, 2015.  Green cheese: Partial life cycle assessment of greenhouse gas emissions and energy intensity of integrated dairy production and bioenergy systems.  J. Dairy Science, 98(3)1571-92.
  • Aguirre-Villegas, HA, R Larson, DJ Reinemann, 2014.  From waste-to-worth: energy, emissions, and nutrient implications of manure processing pathways.  Biofuels, Bioproducts and Bio-refining, 8:770–793.
  • Aguirre-Villegas HA, FX Milani, S Kraatz, DJ Reinemann, 2012.  Life Cycle Impact Assessment and Allocation Methods Development for Cheese and Whey Processing.  Transactions of the ASABE 55(2)1-15.

14. Jack Buchanan, MS Agroecology, 2013.  An integral approach to Agro-ecological research.expand_more

13. Julie C. Sinistore, PhD 2012, Biological Systems Engineering, Energy Analysis and Policy Minor. The Life Cycle Assessment of Cellulosic Ethanol Production in the Wisconsin and Michigan Agricultural Contexts: The Influence of LCA Methods and Spatial Variability on Environmental Impact Assessment.expand_more

  • Cronin, KR, TM Runge, X Zhang, RC Izaurralde, DJ Reinemann and JC Sinistore, 2016.  Spatially Explicit Life Cycle Analysis of Cellulosic Ethanol Production Scenarios in Southwestern Michigan, BioEnergy Res. 10(1)13-25. https://link.springer.com/article/10.1007/s12155-016-9774-7
  • Sinistore, JC, DJ Reinemann, RC Izaurralde, KR Cronin, PJ Meier, TM Runge & XS Zhang, 2015.  Life Cycle Assessment of Switchgrass Cellulosic Ethanol Production in the Wisconsin and Michigan Agricultural Contexts. Bioenergy. Res. 8(3)897-909.
  • Kraatz, S, JC Sinistore, and DJ Reinemann, 2013.  Energy intensity and global warming potential of corn grain ethanol production in Wisconsin (USA).  Food and Energy Security, June 2013.
  • Kaufman AS, PJ Meier, JC Sinistore, DJ Reinemann, 2010.  Applying life-cycle assessment to low carbon fuel standards—How allocation choices influence carbon intensity for renewable transportation fuels.  Energy Policy 38:5229–5241.

12. Maria Sonia Ares Gomez, MS 2012, Dairy Science.  The interactive effect of liner characteristics, milking vacuum and pulsation settings on milking performance.expand_more

11. Thomas J. Syring, MS 2010, Land Resources, Nelson Institute for Environmental Studies, Testing the Effectiveness of Using Loss Aversion to Encourage Adoption of Energy Efficiency Measures on Wisconsin Dairy Farmsexpand_more

10. Thais Helena Passos Fonseca, MS, Agro Ecology, 2010. Energy Analysis and Policy Certificate, Energy Intensity and Greenhouse Gas Emissions of Integrated Dairy and Bio-Fuels Systems in Wisconsin.expand_more

  • Aguirre-Villegas, HA, TH Passos-Fonseca, DJ Reinemann, and R Larson, 2017.  Got pasture? How grazing intensity affects the environmental impacts of dairy systems.  J. Dairy Sci. 100(18)6804-6821. https://doi.org/10.3168/jds.2016-12325
  • Aguirre-Villegas, HA, TH Passos-Fonseca, DJ Reinemann, LE Armentano, MA Wattiaux, VE Cabrera, JM Norman, and R Larson, 2015.  Green cheese: Partial life cycle assessment of greenhouse gas emissions and energy intensity of integrated dairy production and bioenergy systems.  J. Dairy Science, 98(3)1571-92.

9. Jeannette LeBoyer, MS 2008, Land Resources, Energy Analysis and Policy Certificate, Assessment of North American Regional Reanalysis Meteorological Data for Predicting Wind Energy in the Upper Midwestexpand_more

8. Robert Bade, MS 2007, Dairy Science, Biomechanics of teat liner interactions.expand_more

  • Bade, RD, DJ Reinemann, M Zucali, PL Ruegg, and PD Thompson, 2009.  Interactions of vacuum, b-phase duration, and liner compression on milk flow rates in dairy cows. J. Dairy Sci. 92:913–921.

7. Jennifer Hermans, MS 2005, Land Resources Energy Analysis and Policy Certificate.  Integrating Bio-Fuel Production with Wisconsin Dairy Feed Requirements. expand_more

6. Nate Altfeather, MS 2005, Biological Systems Engineering, Energy Analysis and Policy Certificate, Co-Advisor. Potential Sustainable Energy from Wisconsin’s Forests and Effect of Fuel Savings on Conversion to Biomass Energy in A Wisconsin Schoolexpand_more

5. Jason Helgren, MS 2004, Biological Systems Engineering, Survey of Milk Quality on U.S. Dairy Farms Utilizing Automatic Milking Systems and Investigation of plasma aided surfaces modification for milk Biosensor development.expand_more

  • Helgren, JM, and DJ Reinemann, 2006.  Survey of Milk Quality on U.S. Dairy Farms Utilizing Automatic Milking Systems. Transactions of the ASABE, 49(2)551- 556.

4. Debora Costa, MS 2003, Dairy Science, Major Professor, Surveys of Milking Characteristics and Milk Quality of Brazilian Crossbred Dairy Cowsexpand_more

  • Costa, DA, and DJ Reinemann, 2004.  The need for stimulation in various bovine breeds and other species.  Bulletin of the International Dairy Federation, No. 388, pp 22-27.

3. John Hintgen, MS 2003. Land Resources, Energy Analysis and Policy Certificate, Offshore Wind Farms in the Western Great Lakes: An Interdisciplinary Analysis of Their Potentialexpand_more

2. Johna Roth, MS 2003. Land Resources, Energy Analysis and Policy Certificate, Carbon Sequestration in Dane County: A Comparative Analysis of The Scientific and Economic Feasibility of Grasslands to Offset Power Plant Emissionsexpand_more

1. Davis, Misty, MS 2000, Biological Systems Engineering, Relationships between changes in the Physical Characteristics and Milking Characteristics of the Aging Milking Linerexpand_more

Postdocs, Sponsored Sabbatical Visits and Interns

  1. Dr. A. Grasshoff, Federal Center for Dairy Research, Kiel Germany, 1991-92, Biophysics of bacterial and milk soils from milk contact surfaces.
  2. Dr. K. Muthukumarappan, Postdoctoral studies 1993 – 1994 Biomechanics of Bovine Teat and Teatcup interaction during Machine Milking.
  3. Dr. M.D. Rasmussen, Danish Institute of Agricultural Sciences, 1997-98, Biostatistics and measurement methods for milking performance.
  4. Debora Costa, DVM, 2000, Physiology of milk ejection, University of Sao Paulo State, Brazil
  5. Dr. Ephraim Maltz, 1999-2000, Physiology of machine milking Volcani Institute, Israel,
  6. Helia Lin, DVM., 2006, biomechanics of teat liner interactions, University of Sao Paulo State, Brazil
  7. Maddalena Zucali, 2008, PhD, Milking Machine Research, University of Milan, Italy
  8. Simone Kratz, 2010-11, Biofuels LCA, Leibnitz Institute, Potsdam, Germany
  9. Carlo Spanu, 2008, PhD, Milking Management research, Sassari University, Italy
  10. Stefania Leonardi, 2014, PhD, Milking Machine research, University of Milan, Italy
  11. John Upton, PhD, 2015-16, Milking Machine research, Teagasc Research Center, Ireland
  12. Muireann Ni Chonfhaola, 2016, Milking Machine Research, Teagasc Research Center, Ireland
  13. Alen Dzidic, 2018-19, University of Zagreb, Croatia, Fulbright Fellow, Milking Machine Research
  14. Virginia Inzaghi, 2019, University of Milan, Milking Machine Research
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