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Leadership Meet the Administrative Team Departments and Units Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa. Our Experts Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.State Administration Get contact information for Extension administrative personnel by operational area and their respective support personnel. Area Extension Directors Get contact information for the Area Extension Directors (AEDs) County Extension Personnel Aute et fugiat ad est cupidatat esse laborum dolor ex anim anim cillum cillum exercitation culpa.
Gregg Rentfrow
Extension Faculty
Associated Departments
Scholars@UK
Artificial Raising on Milk Replacer and Finishing Diet Did Not Affect Color and Oxidative Stability of Longissimus Lumborum Muscles From Polypay Ram Lambs
Mondal, K., Suman, S. P., Purvis, K. G., Rentfrow, G., Ely, D. G., Davis, B. E., Weinert-Nelson, J., Wang, Y. & Salim, A. P. A. A., 2025, In: Meat and Muscle Biology. 9, 1, 18343.Research output: Contribution to journal › Article › peer-review
Structural Equation Modeling for Interpreting the Influence of Diet on Muscle-Specific Color and Oxidative Stabilities in Extended-Aged Beef from Nellore Bulls
Salim, A. P. A. A., Lima, L. C. S., Ferreira, M. S., Vasconcellos, F. J. G., Conte-Junior, C. A., Saldanha, T., Ramanathan, R., Suman, S. P., Rentfrow, G. & Mano, S. B., Jan 17 2025, In: ACS Food Science and Technology. 5, 1, p. 118-126 9 p.Research output: Contribution to journal › Article › peer-review
Sarcoplasmic Proteome Profile and Internal Color of Beef Longissimus Lumborum Steaks Cooked to Different Endpoint Temperatures
Salim, A. P. A. A., Wang, Y., Li, S., Conte-Junior, C. A., Chen, J., Zhu, H., Rentfrow, G. & Suman, S. P., 2020, In: Meat and Muscle Biology. 4, 1, 15.Research output: Contribution to journal › Article › peer-review
A second iron injection administered to piglets during lactation improves hemoglobin concentration, growth performance, and carcass characteristics at slaughter
Chevalier, T. B., Lyons, W., Paczosa, D. B., Rentfrow, G. K. & Lindemann, M. D., 2023, In: Journal of Animal Science. 101, skad270.Research output: Contribution to journal › Article › peer-review
Effects of multiple vitamin e levels and two fat sources in diets for swine fed to heavy slaughter weight of 150 kg: II. Tissue fatty acid profile, vitamin e concentrations, immune capacity, and antioxidant capacity of plasma and tissue
Wang, D., Jang, Y. D., Kelley, M., Rentfrow, G. K., Azain, M. J. & Lindemann, M. D., Jan 1 2023, In: Translational Animal Science. 7, 1, txad087.Research output: Contribution to journal › Article › peer-review
Effects of multiple vitamin E levels and two fat sources in diets for swine fed to heavy slaughter weight of 150 kg: I. Growth performance, lean growth, organ size, carcass characteristics, primal cuts, and pork quality
Wang, D., Jang, Y. D., Kelley, M., Rentfrow, G. K., Azain, M. J. & Lindemann, M. D., Jan 1 2023, In: Translational Animal Science. 7, 1, txad086.Research output: Contribution to journal › Article › peer-review
Myoglobin Post-Translational Modifications Influence Color Stability of Beef Longissimus Lumborum
Wang, Y., Li, S., Rentfrow, G., Chen, J., Zhu, H. & Suman, S. P., 2021, In: Meat and Muscle Biology. 5, 1, 15.Research output: Contribution to journal › Article › peer-review
Effects of dietary vitamin e and fat supplementation in growing-finishing swine fed to a heavy slaughter weight of 150 kg: II. Tissue fatty acid profile, vitamin e concentrations, and antioxidant capacity of plasma and tissue
Wang, D., Jang, Y. D., Rentfrow, G. K., Azain, M. J. & Lindemann, M. D., Jun 1 2022, In: Journal of Animal Science. 100, 6, skac184.Research output: Contribution to journal › Article › peer-review
Effects of dietary vitamin E and fat supplementation in growing-finishing swine fed to a heavy slaughter weight of 150 kg: I. Growth performance, lean growth, organ size, carcass characteristics, primal cuts, and pork quality
Wang, D., Dal Jang, Y., Rentfrow, G. K., Azain, M. J. & Lindemann, M. D., Apr 1 2022, In: Journal of Animal Science. 100, 4, skac081.Research output: Contribution to journal › Article › peer-review
Assessment of visceral organ growth in pigs from birth through 150 kg
Elefson, S. K., Lu, N., Chevalier, T., Dierking, S., Wang, D., Monegue, H. J., Matthews, J. C., Jang, Y. D., Chen, J., Rentfrow, G. K., Adedokun, S. A. & Lindemann, M. D., Sep 1 2021, In: Journal of Animal Science. 99, 9, skab249.Research output: Contribution to journal › Article › peer-review
Proteome basis for intramuscular variation in color stability of beef semimembranosus
Nair, M. N., Suman, S. P., Chatli, M. K., Li, S., Joseph, P., Beach, C. M. & Rentfrow, G., Mar 1 2016, In: Meat Science. 113, p. 9-16 8 p.Research output: Contribution to journal › Article › peer-review
Kiwifruit protease extract injection reduces toughness of pork loin muscle induced by freeze-thaw abuse
Liu, C., Xiong, Y. L. & Rentfrow, G. K., Dec 2011, In: LWT. 44, 10, p. 2026-2031 6 p.Research output: Contribution to journal › Article › peer-review
Proteomics of muscle-specific beef color stability
Joseph, P., Suman, S. P., Rentfrow, G., Li, S. & Beach, C. M., Mar 28 2012, In: Journal of Agricultural and Food Chemistry. 60, 12, p. 3196-3203 8 p.Research output: Contribution to journal › Article › peer-review
Oxidation promotes cross-linking but impairs film-forming properties of whey proteins
Wang, Y., Xiong, Y. L., Rentfrow, G. K. & Newman, M. C., Mar 2013, In: Journal of Food Engineering. 115, 1, p. 11-19 9 p.Research output: Contribution to journal › Article › peer-review
The effects of the antioxidant lipoic acid on beef longissimus bloom time
Rentfrow, G., Linville, M. L., Stahl, C. A., Olson, K. C. & Berg, E. P., Oct 2004, In: Journal of Animal Science. 82, 10, p. 3034-3037 4 p.Research output: Contribution to journal › Article › peer-review
Growing steers grazing high versus low endophyte (Neotyphodium coenophialum) -infected tall fescue have reduced serum enzymes, increased hepatic glucogenic enzymes, and reduced liver and carcass mass
Brown, K. R., Anderson, G. A., Son, K., Rentfrow, G., Bush, L. P., Klotz, J. L., Strickland, J. R., Boling, J. A. & Matthews, J. C., Feb 2009, In: Journal of Animal Science. 87, 2, p. 748-760 13 p.Research output: Contribution to journal › Article › peer-review
Sensory characteristics of beef and pork processed meats containing nonsolvent extracted texturized soy protein
Rentfrow, G., Brewer, M. S., Weingartner, K. E. & Mckeith, F. K., 2004, In: Journal of Muscle Foods. 15, 4, p. 225-234 10 p.Research output: Contribution to journal › Review article › peer-review
Ingwerextrakt verbessert die Zartheit reiner Rindermuskel Biceps femoris
Research output: Contribution to specialist publication › Article
Effects of Lipoic Acid Supplementation on Finishing Steer Growth Performance, Carcass Merit, Beef Tenderness, and Beef Retail Display Properties
Schmidt, T. B., Olson, K. C., Meyer, D. L., Brandt, M. M., Rentfrow, G. K., Stahl, C. A. & Berg, E. P., Dec 1 2005, In: Professional Animal Scientist. 21, 6, p. 480-485 6 p.Research output: Contribution to journal › Article › peer-review
Effects of Slaughter Date, On-Farm Handling, Transport Stocking Density, and Time in Lairage on Digestive Tract Temperature, Serum Cortisol Concentrations, and Pork Lean Quality of Market Hogs
Carr, C. C., Newman, D. J., Rentfrow, G. K., Keisler, D. H. & Berg, E. P., Jun 1 2008, In: Professional Animal Scientist. 24, 3, p. 208-218 11 p.Research output: Contribution to journal › Article › peer-review
ARS/FAPRU: Improving Sustainability of Forage-Based Production Systems
Matthews, J. (PI), Anderson, L. (CoI), Bridges, P. (CoI), Ely, D. (CoI), Haan, N. (CoI), Harmon, D. (CoI), Hunt, A. (CoI), Ji, H. (CoI), McCulley, R. (CoI), McLeod, K. (CoI), Phillips, T. (CoI), Rentfrow, G. (CoI), Schardl, C. (CoI), Smith, S. (CoI), Suman, S. (CoI), Teutsch, C. (CoI), VanValin, K. (CoI) & Zhu, H. (CoI)
5/1/23 → 4/30/26
Project: Research project
ARS/FAPRU: Suman - Improving Sustainability of Forage-Based Production Systems
Suman, S. (PI) & Rentfrow, G. (CoI)
5/1/23 → 4/30/26
Project: Research project
Perkins Professional Development: Gate to Plate
Epps, R. (PI) & Rentfrow, G. (CoI)
7/1/23 → 6/30/24
Project: Research project
Perkins Professional Development: Gate to Plate (Participant Support Costs)
Epps, R. (PI) & Rentfrow, G. (CoI)
7/1/23 → 6/30/24
Project: Research project
Methods of Restoring Carcass Firmness and Other Post-Harvest Traits in Finishing Pigs Fed a High Level of Distillers Dried Grains with Solubles (DDGS)
Cromwell, G. (PI), Lindemann, M. (CoI) & Rentfrow, G. (CoI)
6/15/09 → 12/15/10
Project: Research project
Characteristics and Eating Quality of Bacon, Sausage, and Boneless Chops from Finishing Pigs Fed Medium and High Levels of Distillers Dried Grains with Solubles (DDGS)
Cromwell, G. (PI), Lindemann, M. (CoI) & Rentfrow, G. (CoI)
5/1/08 → 7/1/09
Project: Research project
Investigating the Use of Ginger Extract to Improve Tenderness of Beef Biceps Femoris
Suman, S. (PI), Rentfrow, G. (CoI) & Xiong, Y. (CoI)
5/1/08 → 12/31/09
Project: Research project
Kentucky Food System Collaboration
Woods, T. (PI), Morgan, M. (CoI), Priyesh, P. (CoI), Rentfrow, G. (CoI) & Rossi, J. (CoI)
Kentucky Center for Agriculture and Rural Development
10/1/21 → 9/5/24
Project: Research project
Food Production Research and Development for Kentucky's Small Food Processors
Rentfrow, G. (PI), Hu, W. (CoI), Morgan, M. (CoI) & Woods, T. (CoI)
KY Governor's Office of Agricultural Policy
4/15/10 → 6/30/12
Project: Research project
The Use of Natural Antimicrobials to Mitigate Biological Threat Agents in High Risk Foods
Morgan, M. (PI), Bachas, L. (CoI), Daunert, S. (CoI), O'Leary, J. (CoI), Rentfrow, G. (CoI) & Xiong, Y. (CoI)
National Institute for Hometown Security
11/23/09 → 6/22/13
Project: Research project
Letter of Intent: Evaluation of Potential Alternatives to Methyl Bromide Fumigation in Dry Cured Ham and Aged Cheese Production
Rentfrow, G. (PI)
9/1/07 → 7/31/11
Project: Research project
Alternative Uses for Methyl Bromide in Country Hams
Rentfrow, G. (PI)
9/1/06 → 8/31/08
Project: Research project
Effect of Different Fat Sources and Vitamin E Status on Antioxidant Status, Carcass Characteristics, and Meat Quality of Pigs Grown to Heavy Slaughter Weight
Lindemann, M. (PI), Jang, Y. D. (CoI) & Rentfrow, G. (CoI)
11/1/16 → 12/12/18
Project: Research project
Southern Training, Education, Extension, Outreach, and Technical Assistance Center to Enhance Produce Safety
Morgan, M. (PI), Priyesh, P. (CoI), Rentfrow, G. (CoI) & Woods, T. (CoI)
9/1/15 → 8/31/18
Project: Research project
Professional Training for Extension Agents in KY and OK in Food Safety and Sanitation Related to Farmer's Market
Priyesh, P. (PI), Morgan, M. (CoI) & Rentfrow, G. (CoI)
4/1/16 → 9/30/19
Project: Research project
Characterizing myoglobin phosphorylation and its relationship with beef color stability
Suman, S. (PI) & Rentfrow, G. (CoI)
National Institute of Food and Agriculture
8/1/16 → 7/31/19
Project: Research project
Proteome profile of economically important muscles in beef hindquarters
Suman, S. (PI) & Rentfrow, G. (CoI)
National Institute of Food and Agriculture
1/15/12 → 1/14/17
Project: Research project
Profitable and Sustainable Poultry Production on Small- and Medium-Sized Farms
Pescatore, A. (PI), Rentfrow, G. (CoI) & Cantor, A. (Former CoI)
National Institute of Food and Agriculture
2/1/12 → 1/31/18
Project: Research project