Dairy Research

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George F. Grandle
Associate Professor, Post retirement appointment
Livestock Production Systems

Kristy Hill-Campbell
Extension Dairy Specialist

Peter Downs Krawczel
Assistant Professor
Behavior and Welfare of Dairy Cows

Brian Whitlock
Assistant Professor
Field Services, Theriogenology

Michael John De Veth
Assistant Professor
Bioactive compound influence on dairy cattle



Israeli and UTIA Scientists Receive Grant to Study Bovine Mastitis in Dairy Cows, 2/18/2019

Promotion and Tenure 2017, 10/16/2017

A New Generation of Faculty, 8/2/2017

New Ventures | GAP Connections, 7/26/2017

Beef Heifer Development Center–One Year Later, 12/29/2016

2016 AgResearch Faculty Awards, 10/6/2016

Our Fondest Memories: Our Tribute to John Hodges, 7/24/2016

Five Things You Didn't Know about the Middle Tennessee AgResearch and Education Center, 5/24/2016

I AM UTIA -- In Knoxville, Meet Joe Sarten, PE, 12/9/2015

Do We Need More Space?, 11/17/2015


(5 mentions)

Hatcher Family Dairy 
Tennessee has lost roughly half its dairy farms in the past decade. But one family wants to keep its centuries-old operation going, and is adapting new production plans to sell their dairy products.

(5 mentions)

Mastitis Research 
Dairy farmers face many challenges – including a disease that threatens their cattle and the quality of their milk. AgResearch and Extension team up with producers to fight this problem.

(3 mentions)

Little River Facility 
It’s long been an issue in farming – how can we be productive in agriculture and still protect the environment? UT Ag-Research has a new facility dedicated to that cause.


Recent Publications

Analysis of the effects of four forage mixtures designed for Tennessee and Kentucky organic dairy systems.  Bailey, H.R.  2019.  M.S. Thesis.

Invited Review: Adaptations of protein and amino acid metabolism to heat stress on dairy cows and other livestock species.  Rius, A.  2019.  Applied Animal Science.

Lying time and its importance to the dairy cow – impact of stocking density and time budget stresses.  A. R. Lee, and P. D. Krawczel.  2018.  Veterinary Clinics of North America: Food Animal Practice.

Thermoregulatory responses of lactating dairy cows to an acute heat stress after a pharmacologically-induced LH surge.  Abbott, C.  2018.  M.S. Thesis.

Antimicrobial resistance patterns of S. aureus and other bacterial mastitis pathogens isolated from milk of dairy cows.  Abdi, R. D., B. E. Gillespie, G. M. Pighetti, R. A. Almeida, S. P. Oliver, and O. Kerro Dego.  2018.  Mastitis Research Workers Annual meeting, October 24 – 26, Chicago, Illinois..

Antimicrobial resistance of Staphylococcus aureus isolates from dairy cows and genetic diversity of resistant isolates Abdi, R. D., B. E. Gillespie, J. Vaughn, C. Merrill, S. I. Headrick, D. B. Ensermu, D. H. D'Souza, R. A. Almeida, S. P. Oliver, G. E. Agga, and O. Kerro Dego.  2018.  Foodborne Pathogens and Disease, Volume 15, issue 7, Page 449 - 458.

Antimicrobial resistance patterns of bacterial isolates from cases of mastitis in dairy cows.  Abdi, R. D., B. E. Gillespie, S. I. Headrick, G. M. Pighetti, R. A. Almeida, S. P. Oliver, and O. Kerro Dego.  2018.  American Dairy Science Association Annual Meeting, June 24 – 27, Knoxville, TN..

Analysis of the Effects of Four Forage Mixtures Designed for Tennessee and Kentucky Organic Dairy Systems.  Bailey, H. R.  2018.  M.S. Thesis.

Effect of Rumen-Protected Methionine Supplementation on Milk Production in Dairy Cows.  Bailey, H. R., E. M. Belanger, J. D. Kaufman, B. Barton, C. Zimmerman, K. Estes, and A. Rius.  2018.  Journal of Dairy Science, Vol. 101.

Rumen-protected lysine prototype supplementation increased milk production in lactating dairy cows.  Bailey, H. R., J. D. Kaufman, B. Barton, C. Zimmerman, K. Estes, and A. Rius.  2018.  Journal of Dairy Science, Vol 101.

Effects of pasture quality on feed efficiency and production or organic dairy cows in the southeastern United States.  Bailey, H.R., D. M. Butler, G. E. Bates, G. M. Pighetti, P. D. Krawczel, S. R. Smith, K. Mercier, D. McIntosh, and A. Rius.  2018.  Journal of Dairy Science, 101:12.

Behavioral changes in group-housed dairy calves infected with Mannheimia haemolytica.  C. L. Hixson, P. D. Krawczel, J. M. Caldwell, and E. K. Miller-Cushon.  2018.  Journal of Dairy Science, 101:10351-10360.