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Eric S. Vanzant, Ph. D.

Associate Professor, Beef Nutrition
805 W.P. Garrigus Building
University of Kentucky
Lexington, KY 40546-0215
Phone:  (859) 257-9438
FAX:  (859) 257-3412
E-mail evanzant@uky.edu
 


Education

1993 Ph. D., Kansas State University
Dissertation Topic: Alfalfa as a Supplement for Beef Cows Grazing Winter Range. Major Advisor: Robert Cochran

1989 M. S., Kansas State University
Thesis Topic: Influence of Level and Type of Grain Supplementation on Intake and Utilization of Early-Summer, Bluestem-Range Forage by Beef Steers.

1986 B.S., The Ohio State University
Major
: Animal Science; Agriculture Honors Curriculum


Professional Experience

1993-1998, Kansas State University, Agricultural Research Center-Hays
Assistant Professor

100% Research Appointment

1998-2004
Assistant Professor
90% Research/10% Teaching

2004-present
Associate Professor
85% Research/15% Teaching


Research Interests

In addition to developing programs to increase efficiency of forage-based livestock production with an emphasis on protein and energy nutrition. Dr. Vanzant’s current research interests include the following:

  • Assessing the influence of livestock on the environment
  • Evaluating methodologies for continuous, remote health monitoring in both confined and free-ranging livestock.

Courses Taught

ASC 684 Advanced Ruminant Nutrition, Graduate lecture

ASC 378 Animal Nutrition and Feeding - Undergraduate lecture and lab; team taught with Dr. Merlin Lindemann


Selected Publications

Taylor-Edwards, C., N. A. Elam, S. E. Kitts, K. R. McLeod, D. E. Axe, E. S. Vanzant, N. B. Kristensen, and D. L. Harmon. 2009. Influence of slow-release urea on nitrogen and portal-drained visceral metabolism in growing beef steers. J. Anim. Sci. 87:209-221.

Taylor-Edwards, C., N. A. Elam, S. E. Kitts, K. R. McLeod, D. E. Axe, E. S. Vanzant, N. B. Kristensen, and D. L. Harmon. 2009. Effects of slow-release urea on ruminal digesta characteristics and growth performance in beef steers. J. Anim. Sci. 87:200-208.

Liao, S. F., E. S. Vanzant, D. L. Harmon, K. R. McLeod, J. A. Boling, J. C. Matthews. 2008. Ruminal and abomasal starch hydrolysate infusions selectively decrease the expression of cationic amino acid transporter mrna by small intestinal epithelia of forage-fed beef steers. J. Dairy Sci. (In Press).

El Kadi, S. W., K. R. McLeod, N. A. Elam, S. E. Kitts, C. C. Taylor, D. L. Harmon, B. J. Bequette, and E. S. Vanzant. 2008. Nutrient net absorption across the portal-drained viscera of forage-fed beef steers: Quantitative assessment and application to a nutritional prediction model. J. Anim. Sci. 86: 2277-2287.

Liao, S. F., M. J. Alman, E. S. Vanzant, E. D. Miles, D. L. Harmon, K. R. McLeod, J. A. Boling, and J. C. Matthews. 2008. Basal expression of nucleoside transporter mrna differs among small intestinal epithelia of beef steers and is differentially altered by ruminal or abomasal infusion of starch hydrolysate. J. Dairy Sci. 91: 1570-1584.

Liao, S., E. Vanzant, J. Boling, and J. Matthews. 2008. Identification and expression pattern of cationic amino acid transporter-1 mRNA in small intestinal epithelia of Angus steers at four production stages. J. Anim. Sci. 86:620-631.

Han, K. J., M. Collins, E. S. Vanzant, and C. T. Dougherty. 2006. Characteristics of baled silage made from first and second harvests of wilted and severely wilted forages. Grass  Forage Sci 61: 22-31.

Kitts, S.E., D. L. Harmon, E. S. Vanzant, and K. R. McLeod. 2006. Effects of chlortetracycline (CTC) and Revalor-S on the growth performance and carcass quality traits of finishing beef steers. J. Anim. Vet. Adv. 5: 70-76.

Agouridis, C. T., D. R. Edwards, S. R. Workman, J. R. Bicudo, B. K. Koostra, E. S. Vanzant, and J. L. Taraba. 2005. Streambank erosion associated with grazing practices in the humid region. Trans. ASAE. 48:181-190.

Agouridis, C. T., T. S. Stombaugh, S. R. Workman, B. K. Koostra, D. R. Edwards, and E. S. Vanzant. 2004. Suitability of a GPS collar for grazing studies. Trans. ASAE. 47:1321-1329.

Fisher, M. J., D. W. Bohnert, C. J. Ackerman, C. S. Schauer, T.DelCurto, A. M. Craig, E. S. Vanzant, D. L. Harmon, and F. N. Schrick. 2004. Evaluation of perennial ryegrass straw as a forage source for ruminants. J. Anim. Sci. 82:2175-2184.

Han, K. J., M. Collins, E. S. Vanzant, and C. T. Dougherty. 2004. Bale density and moisture effects on alfalfa round bale silage. Crop Sci. 44:914-919.

Fieser, B. G., and E. S. Vanzant. 2004. Interactions between supplement energy source and tall fescue hay maturity on forage utilization by beef steers. J. Anim. Sci. 82:307-318.

Howlett, C. M., E. S. Vanzant, L. H. Anderson, W. R. Burris, B. G. Fieser, and R. F. Bapst. 2003. Effect of supplemental nutrient source on heifer growth and reproductive performance, and on utilization of corn silage-based diets by beef steers. J. Anim. Sci. 81:2367-2378.

Dubbs, T. M., E. S. Vanzant, S. E. Kitts, R. F. Bapst, B. G. Fieser, and C. M. Howlett. 2003. Characterization of season and sampling method effects on measurement of forage quality in fescue-based pastures. J. Anim. Sci. 81:1308-1315.

Invited Book Chapters

Cochran, R.C., W.K. Coblentz, and E.S. Vanzant. 2007. Animal methods for evaluating forage quality. In: Barnes, R.F., C.J. Nelson, K. J. Moore, and M. Collins (eds.). Forages. 6th ed Vol. II: The Science of Grassland Agriculture. Iowa State Press, Ames, IA.

 

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