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Patricia Y Hester

Animal Sciences 

  • Professor of Animal Sciences
POUL Room 104
125 S. Russell St.
West Lafayette, IN 47907-2042

Area of Expertise: Physiology, Poultry

Education: B.S. and Ph.D., North Carolina State University
Visiting Professorships: Cuddy International, Canada; University of Guelph, Canada

Research Program

Purdue Center for Animal Welfare Science


ANSC 44500 - Commercial Poultry Management - course website
ANSC 53500 (BMS 52800) - Avian Physiology - course website

List of ANSC courses

News Releases

Taking on a Leadership Role: Purdue Ag scientists work for the good of people - and animals - Purdue Agricultures magazine, Winter 2013

It's not just about animals: Research benefits extend to human health - Purdue Agricultures magazine, Winter 2011

Awards & Honors

(2013) Golden Egg Award. Indiana State Poultry Association.

(2013) Outstanding Service Award. Midwest Poultry Consortium.

(2010) Poultry Welfare Research Award. Poultry Science Association.

(2009) Fellow. Poultry Science Association.

(2009) Outstanding Alumni Award. College of Agriculture and Life Sciences, North Carolina State University.

(2004) Helene Cecil Leadership Award. Poultry Science Association.

(2002) Alltech Student Research Manuscript Award:Single annual award of $500 and a certificate given to a graduate student (Stacey Neuman) for the presentation and the publication as senior author of an outstanding research manuscript (2002 carntitne publication. 2003 Southern Poultry Science Society, Atlanta, GA.

Selected Publications

Hester, P. Y. (2013). Egg industry animal welfare issues and research programs in the United States. International Symposium on Health Environment and Animal Welfare, 8-19.

Yan, F. F., Hester, P. Y., Enneking, S. A., & Cheng, H. W. (2013). Effects of perch access and age on physiological measures of stress in caged White Leghorn pullets.. Poultry Science, 92, 2853-2859.

Jiang, S., Cheng, H. W., Hester, P. Y., & Hou, J. F. (2013). Development of an enzyme-linked immunosorbent assay for detection of chicken osteocalcin and its use in evaluation of perch effects on bone remodeling in caged White Leghorns. Poultry Science, 92, 1951-1961.

Hester, P. Y., Enneking, S. A., Haley, B. K., Einstein, M. E., Cheng, H. W., & Rubin, D. A. (2013). The effect of perch availability during pullet rearing and egg laying on musculoskeletal health of caged White Leghorn hens. Poultry Science, 92, 1972-1980.

Hester, P. Y., Enneking, S. A., Jefferson-Moore, K. Y., Einstein, M. E., Cheng, H. W., & Rubin, D. A. (2013). The effect of perches in cages during pullet rearing and egg laying on hen performance, foot health, and plumage. Poultry Science, 92, 310-320.

Kiess, A. S., Hester, P. Y., Mench, J. A., Newberry, R. C., & Garner, J. P. (2012). A standardized cage measurement system: A versatile tool for calculating useable cage space.. J. Appl. Poultry Res., 21, 657-668.

Garner, J. P., Kiess, A. S., Mench, J. A., Newberry, R. C., & Hester, P. Y. (2012). The effect of cage and house design on egg production and egg weight of White Leghorn hens: An epidemiological study. Poultry Science, 91, 1522-1535.

Enneking, S. A., Cheng, H. W., Jefferson-Moore, K. Y., Einstein, M. E., Rubin, D. A., & Hester, P. Y. (2012). Early access to perches in caged White Leghorn pullets.. Poultry Science, 91, 2114-2120.

Enneking, S. A., Wakenell, P. S., Garner, J. P., & Hester, P. Y. (2012). Mortality and behavior of caged White Leghorn pullets with access to perches.. World’s Poult. Sci. J. Suppl. 1, 134-136.

Lay, Jr., D. C., Fulton, R. M., Hester, P. Y., Karcher, D. M., Kjaer, J., Mench, J. A., . . . Porter, R. E. (2011). Hen welfare in different housing systems. Poultry Science, 90, 278-294.