Cow Research


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Personnel

Peter Downs Krawczel
Assistant Professor
Behavior and Welfare of Dairy Cows

Megan L. Leffew
Extension Specialist II
Marketing Specialist

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

Events

Fall Heifer & Cow Sale, 11/30/2018

Cows, Fire, Biofuel and Wildlife, 3/11/2015

Tennessee Cow/Calf Conference, 10/8/2014

 

News

The Hat, 1/17/2019

Willingness to Adopt Biosecurity Measures to Combat Foreign Animal Disease Outbreaks, 10/31/2018

2017 Director's Awards Recipients Announced, 1/18/2018

AgResearch Faculty and Staff Presented with Awards at 2017 UTIA Luncheon, 11/8/2017

Promotion and Tenure 2017, 10/16/2017

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

2016 Director's Awards Recipients Announced, 12/22/2016

Faculty 360 | Sindhu Jagadamma, 9/22/2016

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

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

Video


(1 mention)

Livestock Research 
It's a problem for Tennessee farmers who produce our top commodity -- beef cattle. Insects such as flies cause serious health problems for their animals, and reduce product quality for consumers.



(1 mention)

Cattle Facility 
Beef cattle farming is Tennessee's top agricultural commodity - generating nearly 600 million dollars each year.


 

Recent Publications

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.

Measuring the effects of short-term heat stress, overstocking, or combination on welfare of lactating dairy cows.  A. R. Lee, G. M. Pighetti, R. J. Grant, J. L. Edwards, and P. D. Krawczel.  2018.  Proceedings of the 52nd International Congress of the International Society of Applied Ethology, Page 114 in in Proceedings of the 52nd International Congress of the International Society of Applied Ethology. Charlottetown, Prince Edward Island.

Measuring the effects of short-term heat stress, overstocking, or combination on welfare of lactating dairy cows.  A. R. Lee, G. M. Pighetti, R. J. Grant, J. L. Edwards, and P. D. Krawczel.  2018.  Dairy Cattle Welfare Symposium, Scottsdale, AZ.

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 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..

Antimicrobial resistance of Staphylococcus aureus isolates from dairy cows and genetic diversity of resistant isolates Abid, 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.

Investigation of DRD2 Adams, S., C. J. Kojima, J. Andrae, and S. Duckett.  2018.  Journal of Animal Science, Volume 96, Issue suppl_3, 7 December 2018, Page 208. [Abstract]

Comparison of uterine and vaginal bacterial communities between pregnant and non-pregnant postpartum cows prior to fixed timed artificial insemination.  Ault, T. B.  2018.  M.S. Thesis.

Evaluation of bacterial communities in the uterus and vagina between resulting pregnant and non-pregnant postpartum beef cows Ault, T. B., B. A. Clemmons, P. Myer, and K. Pohler.  2018.  UT Beef and Forage Center Graduate Research and Poster Symposium, UT Beef and Forage Center Annual Research and Recommendation Meeting. Knoxville, TN.

Seasonal Prices for Tennessee Feeder Cattle and Cows.  Bowling, R. G.  2018.  University of Tennessee Extension Publication, D 39.

Comparison of rumen fluid and serum metabolomes in Black Angus cows Clemmons, B. A., M. T. Henniger, J. B. Powers, E. A. Melchior, S. R. Campagna, B. H. Voy, D. R. Donohoe, and P. Myer.  2018.  ASAS-CSAS Annual Meeting and Trade Show, Vancouver, Canada.