Joy Mench

image of Joy Mench



Animal Science

Offices and Labs

2245 Meyer Hall

Profile Introduction

Behavioral assessment of animal welfare; abnormal behaviors; environmental enrichment.


1983 PhD Ethology and Neurobiology University of Sussex, England
1976 BS Biology San Francisco State University

Research Interests

Animal behavior and welfare

My research interest is the application of animal behavior to improving the welfare of poultry (chickens, ducks, turkeys)


Lilly Foundation Teaching Fellowship
Fellow of the Scientist's Center for Animal Welfare
Poultry Science Association Poultry Welfare Research Award, 2004
UC Davis Distinguished Scholarly Public Service Award, 2007

Department and Center Affiliations

Department of Animal Science
Center for Animal Welfare


International Society for Applied Ethology
Poultry Science Association

CBS Grad Group Affiliations

Animal Behavior

Specialties / Focus

Animal Behavior
  • Animal Management and Welfare

Graduate Groups not Housed in CBS

Animal Biology; Avian Science


ANS 103 Animal Welfare (Fall)
VMD 170 Ethics of Animal Use (Spring)
ANB 401 Ethics and Professionalism in Animal Biology (Fall)


10/15/2014 1:54:45 PM
  • Mench, J.A. and Blatchford, R.A. 2014. Determination of space use by laying hens using kinematic analysis. Poultry Science 93:794-798.

  • Archer, G.S. and Mench, J.A. 2014. Natural incubation patterns and the effects of exposing eggs to light at various times during incubation on post-hatch fear and stress responses in broiler chickens. Applied Animal Behaviour Science 152:44-51

  • Cussen, V.A. and Mench, J.A. 2014. Performance on the Hamilton Search task by captive orange-winged Amazon parrots. Animal Cognition doi:10.1007/s10071-1723-y

  • Cussen, V.A. and Mench, J.A. 2014. Personality predicts cognitive bias in captive psittacines. Animal Behaviour 89:123-130

  • Howerton, C.L. and Mench, J.A. 2014. Running around the clock: competition, aggression and temporal partitioning of running wheel use in male mice. Animal Behaviour 9)"221-227.

  • Alvino, G.M., Tucker, C.B., Archer, G.S., Mench, J.A. 2013. Astroturf as a dustbathing substrate for laying hens. Applied Animal Behaviour Science 146:88-95.

  • Makagon, M.M., McCowan, B. and Mench, J.A. 2012 How can social network analysis contribute to social behavior research in Applied Ethology? Applied Animal Behaviour Science 139:142-161. 

  • Makagon, M.M., Tucker, C.B., and Mench, J.A. 2011. Factors affecting nest choice by Pekin ducks. Applied Animal Behaviour Science 129:121-128.

  • Meehan, C.L. and Mench, J.A. 2007. The challenge of challenge: can problem solving opportunities enhance animal welfare? Applied Animal Behavior Science 102: 246-261.
  • Miller, K.A., Garner, J.P., Mench, J.A. 2006. Is fearfulness a stable and consistent trait that is measurable using behavioural tests? A validation of four fear tests using Japanese quail. Animal Behaviour 71:1323-1334.
  • Meehan, C.L., Garner, J.P. and Mench, J.A. 2004. Environmental enrichment and development of cage stereotypy in Orange-winged Amazon parrots (Amazona amazonica). Developmental Psychobiology 44: 209-218.