Skip Ribbon Commands Skip to main content


Animal Sciences > profile
Profile Image

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

Gates, R. S., Enneking, S. A., Xiong, Y., Hester, P. Y., Makagon, M. M., & Cheng, H. W. (2014). Design and performance of cooled perches for alternative egg laying production systems. Paper No. 141901235. ASABE and CSBE/SCGAB Annual International Meeting/Montreal. 13-16 July. St. Joseph, MI: ASABE.

Yan, F. F., Hester, P. Y., & Cheng, H. W. (2014). The effect of perch access during pullet rearing and egg laying on physiological measures of stress in White Leghorns at seventy-one weeks of age. Poultry Science, 93, 1318-1326.

Jiang, S., Hester, P. Y., Hu, J. Y., Yan, F. F., Dennis, R., Fulwider, W. K., & Cheng, H. W. (2014). Effect of perch on hen's liver health. Poultry Science, 93, 1618-1622.

Bello, A., Hester, P. Y., Gerard, P. D., Zhai, W., & Peebles, E. D. (2014). Effects of commercial in ovo injection of 25-hydroxycholecalciferol on bone development and mineralization in male and female broilers. Poultry Science, 93, 2734-2739.

Hester, P. Y., Garner, J. P., Enneking, S. A., Cheng, H. W., & Enistein, M. E. (2014). The effect of perch availability during pullet rearing and egg laying on the behavior of caged White Leghorn hens. Poultry Science, 93, 2423-2431.

Hester, P. Y. (2014). The effect of perches installed in cages on laying hens. World's Poultry Science Journal, 70, 247-264.

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.