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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.
S Ray Smith
Extension Faculty
Associated Departments
Scholars@UK
Is There an Economic Advantage to Planting Diverse Summer Annual Forage Mixtures?
Mercier, K., Teutsch, C., Smith, R., Burdine, K., Ritchey, E. & Vanzant, E., 2022, In: Journal of Extension. 60, 4, 16.Research output: Contribution to journal › Article › peer-review
The Birds and the Bees: Producing Beef and Conservation Benefits on Working Grasslands
Keyser, P. D., Buehler, D. A., Fike, J. H., Finke, D. L., Fuhlendorf, S. D., Martin, J. A., Naumann, H. D. & Smith, S. R., Aug 2022, In: Agronomy. 12, 8, 1934.Research output: Contribution to journal › Review article › peer-review
Effects of patch-burn grazing and rotational grazing on grassland bird abundance, species richness, and diversity in native grassland pastures of the Midsouth USA
Lituma, C. M., Buckley, B. R., Keyser, P. D., Holcomb, E., Smith, R., Morgan, J. & Applegate, R. D., Feb 1 2022, In: Agriculture, Ecosystems and Environment. 324, 107710.Research output: Contribution to journal › Article › peer-review
Switchgrass growth and forage quality trends provide insight for management
Sena, K. L., Goff, B., Davis, D. & Smith, S. R., 2019, In: Plant Genome. 52, 2, p. 44-51 8 p.Research output: Contribution to journal › Article › peer-review
Effects of grazing strategy on facultative grassland bird nesting on native grassland pastures of the Mid-South USA
Buckley, B. R., Lituma, C. M., Keyser, P. D., Holcomb, E. D., Smith, R., Morgan, J. J. & Applegate, R. D., Sep 28 2022, In: PeerJ. 10, e13968.Research output: Contribution to journal › Article › peer-review
Resolution of musculoskeletal symptoms in the carcinoid syndrome after treatment with the somatostatin analog octreotide
Smith, S., Anthony, L., Roberts, L. J., Oates, J. A. & Pincus, T., 1990, In: Annals of Internal Medicine. 112, 1, p. 66-68 3 p.Research output: Contribution to journal › Article › peer-review
Enhanced efficiency nitrogen formulations for bermudagrass–white clover pastures
Payne, K. M., Smith, S. R. & Goff, B. M., Nov 1 2021, In: Crop Science. 61, 6, p. 4458-4470 13 p.Research output: Contribution to journal › Article › peer-review
Nitrogen fertilizer rate effects on yield and botanical components of summer annual forage mixtures
Mercier, K. M., Teutsch, C. D., Smith, S. R., Ritchey, E. L., Burdine, K. H. & Vanzant, E. S., May 1 2021, In: Agronomy Journal. 113, 3, p. 2798-2811 14 p.Research output: Contribution to journal › Article › peer-review
Using on-farm monitoring of ergovaline and tall fescue composition for horse pasture management
Lea, K. L. M. & Smith, S. R., Oct 2021, In: Toxins. 13, 10, 683.Research output: Contribution to journal › Article › peer-review
Ethanol-Soluble Carbohydrates of Cool-Season Grasses: Prediction of Concentration by Near-Infrared Reflectance Spectroscopy (NIRS) and Evaluation of Effects of Cultivar and Management
Kramer, K. J., Kagan, I. A., Lawrence, L. M. & Smith, S. R., Jun 2021, In: Journal of Equine Veterinary Science. 101, 103421.Research output: Contribution to journal › Article › peer-review
Enhanced efficiency nitrogen formulations on stockpiled tall fescue production
Payne, K. M., Smith, S. R. & Goff, B. M., Mar 1 2021, In: Agronomy Journal. 113, 2, p. 1596-1606 11 p.Research output: Contribution to journal › Article › peer-review
Optimal forage and supplement balance for organic dairy farms in the Southeastern United States
Allison, J., Burdine, K. H., Dillon, C., Smith, S. R., Butler, D. M., Bates, G. E. & Pighetti, G. M., Apr 2021, In: Agricultural Systems. 189, 103048.Research output: Contribution to journal › Article › peer-review
Characterizing genetically diverse blue grama [bouteloua gracilis (Willd. ex kunth) lag. ex griffiths] seed sources
Friesen, G. M. A., Smith, S. R., Cattani, D. J. & Phan, A. T., 2020, In: Botany. 98, 11, p. 661-671 11 p.Research output: Contribution to journal › Article › peer-review
Visual modelling of alfalfa growth and persistence under grazing
Smith, S. R., Muendermann, L. & Singh, A., 2005, Utilisation of Grazed Grass in Temperate Animal Systems: Proceedings of a Satellite Workshop of the XXth International Grassland Congress, July 2005, Cork, Ireland. p. 202 1 p.Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
Grazing Behavior of Beef Steers Consuming Different Tall Fescue Types and Lakota Prairie Grass
Boland, H. T., Scaglia, G., Fontenot, J. P., Abaye, A. O., Stewart, R. L. & Smith, S. R., Dec 1 2007, In: Professional Animal Scientist. 23, 6, p. 721-727 7 p.Research output: Contribution to journal › Article › peer-review
Grazing behaviour of beef steers grazing Kentucky 31 endophyte infected tall fescue, Q4508-AR542 novel endophyte tall fescue, and Lakota prairie grass
Boland, H. T., Scaglia, G., Fontenot, J. P., Abaye, A. O. & Smith, R., 2005, Utilisation of Grazed Grass in Temperate Animal Systems: Proceedings of a Satellite Workshop of the XXth International Grassland Congress, July 2005, Cork, Ireland. p. 168 1 p.Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review
RAPD variations in selected and unselected blue grama populations
Phan, A. T., Fu, Y. B. & Smith, S. R., 2003, In: Crop Science. 43, 5, p. 1852-1857 6 p.Research output: Contribution to journal › Article › peer-review
Recent shrinkage and fragmentation of bluegrass landscape in Kentucky
Tao, B., Yang, Y., Yang, J., Smith, R., Fox, J., Ruane, A. C., Liu, J. & Ren, W., Jun 1 2020, In: Remote Sensing. 12, 11, 1815.Research output: Contribution to journal › Article › peer-review
Variability of ergovaline and total ergot alkaloid expression among endophytic tall fescue cultivars
Dillard, S. L., Smith, S. R. & Hancock, D. W., Nov 1 2019, In: Crop Science. 59, 6, p. 2866-2875 10 p.Research output: Contribution to journal › Article › peer-review
Screening methodology for post-harvest fungal resistance in alfalfa
Wittenberg, K. M., Smith, S. R., Katepa-Mupondwa, F. & Yang, J. F., 1998, In: Canadian Journal of Plant Science. 78, 3, p. 481-488 8 p.Research output: Contribution to journal › Article › peer-review
KBN 13 Grant Master Grazer Personnel
Teutsch, C. (PI) & Smith, S. (CoI)
3/5/25 → 12/31/26
Project: Research project
KBN 13 Grant
VanValin, K. (PI), Anderson, L. (CoI), Bullock, K. (CoI), Lehmkuhler, J. (CoI), Smith, S. (CoI) & Teutsch, C. (CoI)
3/5/25 → 12/31/26
Project: Research project
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: Smith - Improving Sustainability of Forage-Based Production Systems
Smith, S. (PI)
5/1/23 → 4/30/26
Project: Research project
Climate Smart Grasslands - The Root of Agricultural Carbon Markets
Smith, S. (PI) & Henning, J. (Former CoI)
9/5/23 → 4/22/25
Project: Research project
Capitalizing On Kentucky's Horse Industry: Improving On-Farm Profitability For Horse Owners And Hay Producers
Smith, S. (PI), Coleman, R. (CoI) & Henning, J. (Former CoI)
KY Governor's Office of Agricultural Policy
8/11/23 → 8/10/25
Project: Research project
Capitalizing On Kentucky's Horse Industry: Improving On-Farm Profitability For Horse Owners And Hay Producers
Smith, S. (PI), Coleman, R. (CoI) & Henning, J. (CoI)
KY Governor's Office of Agricultural Policy
8/11/23 → 8/11/23
Project: Research project
KBN 12 Grant Master Grazer
Teutsch, C. (PI), Anderson, L. (CoI), Bullock, K. (CoI), Burdine, K. (CoI), Henning, J. (CoI), Lehmkuhler, J. (CoI), Smith, S. (CoI) & VanValin, K. (CoI)
2/28/23 → 1/31/25
Project: Research project
KBN 12 Grant Expansion of Cow-Calf and Backgrounding/Stocker Profitability Conferences
Burdine, K. (PI), Anderson, L. (CoI), Bullock, K. (CoI), Henning, J. (CoI), Lehmkuhler, J. (CoI), Smith, S. (CoI), Teutsch, C. (CoI) & VanValin, K. (CoI)
2/28/23 → 1/31/25
Project: Research project
KBN 12 Grant Innovative Facilities
VanValin, K. (PI), Anderson, L. (CoI), Bullock, K. (CoI), Burdine, K. (CoI), Lehmkuhler, J. (CoI), Smith, S. (CoI), Teutsch, C. (CoI) & Henning, J. (Former CoI)
2/28/23 → 4/30/25
Project: Research project
KBN 12 Grant Applied Master Cattleman
VanValin, K. (PI), Anderson, L. (CoI), Bullock, K. (CoI), Burdine, K. (CoI), Lehmkuhler, J. (CoI), Smith, S. (CoI), Teutsch, C. (CoI) & Henning, J. (Former CoI)
2/28/23 → 4/30/25
Project: Research project
KBN 12 Grant Confinement Conference
Lehmkuhler, J. (PI), Anderson, L. (CoI), Bullock, K. (CoI), Burdine, K. (CoI), Smith, S. (CoI), Teutsch, C. (CoI), VanValin, K. (CoI) & Henning, J. (Former CoI)
2/28/23 → 4/30/25
Project: Research project
KBN 12 Grant
VanValin, K. (PI), Anderson, L. (CoI), Bullock, K. (CoI), Burdine, K. (CoI), Lehmkuhler, J. (CoI), Smith, S. (CoI), Teutsch, C. (CoI) & Henning, J. (Former CoI)
2/28/23 → 4/30/25
Project: Research project
Master Stocker
Lehmkuhler, J. (PI), Burris, W. (CoI), Halich, G. (CoI) & Smith, S. (CoI)
1/1/13 → 12/31/14
Project: Research project
Kentucky Beef Network
Lehmkuhler, J. (PI), Amaral-Phillips, D. (CoI), Anderson, L. (CoI), Bullock, K. (CoI), Burdine, K. (CoI), Burris, W. (CoI), Halich, G. (CoI) & Smith, S. (CoI)
1/1/13 → 12/31/14
Project: Research project
Graze 300- Master Grazer Educational Program
Amaral-Phillips, D. (PI), Burris, W. (CoI), Lehmkuhler, J. (CoI) & Smith, S. (CoI)
1/1/13 → 12/31/14
Project: Research project
Master Grazer Educational Program
Amaral-Phillips, D. (PI), Arnold, L. (CoI), Burris, W. (CoI), Lehmkuhler, J. (CoI) & Smith, S. (CoI)
1/1/11 → 12/31/12
Project: Research project
Quantifying Field Drying Rate Potential for Herbaceous Energy Crops
Montross, M. (PI), McNeill, S. (CoI) & Smith, S. (CoI)
11/3/10 → 12/31/12
Project: Research project