Eric S. Vanzant, Ph. D.
Assistant 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-present, Assistant Professor,
90% Research/10% Teaching
Research Interests
Nutrition of forage-fed beef cattle,
with emphasis on factors that limit the efficiency of
forage conversion into saleable product. Specific interest
in measurement of and factors affecting voluntary intake
and digestion in cattle that are grazing or fed harvested
forages.
Courses Taught
ASC 681 Energy Metabolism, Graduate
lecture
ASC 380 Feeds and Feeding - Undergraduate
laboratory coordination
Selected Publications
Fisher, M.J.,
D.W. Bohnert, C.J. Ackerman, C.S. Schauer, T. DelCurto,
A.M. Craig, E.S. Vanzant, D.L. Harmon,
and N.F. Schrick. Evaluation of perennial ryegrass straw
as a forage source for ruminants. Journal of Animal Science
82:2175-2184. 2004.
Howlett, C.M.,
E.S. Vanzant, L.H. Anderson, W.R. Burris, B.G.
Fieser and R.F. Bapst. Effect of supplemental nutrient
source on heifer growth and reproductive performance,
and on utilization of corn silage-based diets by beef
steers. Journal of Animal Science 81:2367-2378. 2003.
Dubbs, T.M.,
E.S. Vanzant, S.E. Kitts, R.F. Bapst, B.G. Fieser
and C.M. Howlett. Characterization of season and sampling
method effects on measurement of forage quality in fescue-based
pastures. Journal of Animal Science 81:1308-1315. 2003.
Vanzant,
E.S., R.C. Cochran, and E.C. Titgemeyer. 1998. Standardization
of in situ techniques for ruminant feedstuff evaluation.
J. Anim. Sci. 76:2717-2729.
Vanzant, E.S., R.C. Cochran,
E.C. Titgemeyer, S.D. Stafford, K.C. Olson, D.E. Johnson,
and G. St. Jean. 1996. In vivo and in situ measurements
of forage protein degradation in beef cattle. J. Anim.
Sci. 74:2773-2784.
Lintzenich, B.A., E.S. Vanzant,
R.C. Cochran, J. L. Beaty, R.T. Brandt, Jr., and G. St.
Jean. 1995. Influence of processing supplemental alfalfa
on intake and digestion of dormant, bluestem-range forage
by steers. J. Anim. Sci. 73:1187-1195.
Vanzant, E.S., and R.C. Cochran.
1994. Performance and forage utilization by beef cattle
receiving increasing amounts of alfalfa hay as a supplement
to low-quality, tallgrass-prairie forage. J. Anim. Sci.
72:1059.
Vanzant, E.S., and R.C. Cochran.
1993. Step-up protein supplementation programs for beef
cows grazing dormant, tallgrass prairie. J. Prod. Agric.
6:236.
Vanzant, E.S., R.C. Cochran
and D.E. Johnson. 1991. Pregnancy and lactation in beef
heifers grazing tallgrass-prairie in the winter: Influence
on intake, forage utilization and grazing behavior. J.
Anim. Sci. 69:3027.
Vanzant, E.S., R.C. Cochran,
K.A. Jacques, A.A. Beharka, T. DelCurto and T.B. Avery.
1990. Influence of level and type of grain supplementation
on forage intake and utilization by beef steers consuming
early-summer, bluestem-range forage. J. Anim. Sci. 68:1457.
Cochran, R.C., E.S. Vanzant,
J.G. Riley and C.E. Owensby. 1990. Influence of intraruminal
monensin administration on performance and forage utilization
characteristics in beef cattle grazing early-summer bluestem
range. J. Prod. Agr. 3:88.
Cochran, R.C.,
E.S. Vanzant and T. DelCurto. 1988. Evaluation
of internal markers isolated by alkaline hydrogen peroxide
incubation and acid detergent lignin extraction. J. Anim.
Sci. 66:3245.
Abstracts
Elam, N.A.,
C. Taylor, S.E. Kitts, K.R. McLeod, D.L. Harmon and
E.S. Vanzant. Quantitative assessment of visceral
energy metabolism in beef steers consumed graded levels
of forage. Journal of Animal Science 83:(Suppl. 1) 52.
2005.
Myers, E.,
E.S. Vanzant, L.H. Anderson, W.R. Burris, R.B.
Hightshoe, J.T. Johns and K.K. Schillo. Effects of fat
supplementation on heat-stressed lactating beef cows grazing
endophyte-infested fescue. Journal of Animal Science 81(Suppl.
2):105. 2003.
Fisher, M.J.,
D.W. Bohnert, C.J. Ackerman, C.S. Schauer, T. DelCurto,
A.M. Craig, E.S. Vanzant, D.L. Harmon and N.F.
Schrick. Evaluation of perennial ryegrass straw as a forage
source for ruminants. Journal of Animal Science 81(Suppl.
1):34. 2003.
van Rensburg,
L., E.S. Vanzant, J.A. Benson, C.L. Adkins and
K.A. Beighle. Effect of increasing level of soybean hulls
on intake and utilization of endophyte-infested tall fescue
hay by beef steers. Journal of Animal Science 81(Suppl.
2):105-106. 2003.
Rhinehart,
J.D., E.S. Vanzant, J.D. Bailey, A.M. Arnett, E.
Myers, K.K. Schillo and L.H. Anderson. Effects of fat
supplementation on reproductive parameters of beef heifers
fed endophyte-infected fescue seed. Journal of Animal
Science 81(Suppl. 2):92. 2003.
Refereed
Journal Articles
Agouridis,
C.T., D.R. Edwards, S.R. Workman, J.R. Bicudo, B.K. Koostra,
E.S. Vanzant and J.L. Taraba. Streambank
erosion associated with grazing practices in the humid
region. Transactions of the ASAE. 48:181-190. 2005.
Agouridis,
C.T., T.S. Stombaugh, S.R. Workman, B.K. Koostra, D.R.
Edwards, and E.S. Vanzant. Suitability
of a GPS collar for grazing studies. Transactions of American
Soceity of Agricultural Engineering 47:1321-1329. 2004.
Fieser, B.G.
and E.S. Vanzant. Interactions between
supplement energy source and tall fescue hay maturity
on forage utilization by beef steers. Journal of Animal
Science 82:307-318. 2004.
Han, K.J.,
M. Collins, E.S. Vanzant, and C.T. Dougherty.
Steer responses to alfalfa round bale silage at different
moisture contents. Crop Science 44:914-919.
