Skip to Content
czaw-bear
detroit zoo detroit zoo
Printout from detroitzoo.org
Date: 05/11/25
  • Home
  • About
  • Resources
  • Research Projects
  • Multimedia
  • Events

Our Goals

  1. Acquire and make easily accessible to zoo and aquarium professionals the current body of knowledge on animal welfare and ethics.
  2. Conduct and facilitate welfare assessments and applied welfare research on captive exotic animals.
  3. Convene important discussions and presentations on captive exotic animal welfare and ethics.
  4. Train professionals on captive exotic animal welfare best practices and policies.
  5. Recognize advances in improving captive exotic animal welfare and ethics through awards.
URL: https://detroitzoo.org/resources/?fwp_search=Josef%20Syka&ignore=title%2Cabstract%2Cpublication%2Ckeywords

Pupil size variation as a response to stress in European catfish and its application for social stress detection in albino conspecifics

Authors: Ondřej Slavík, Pavel Horký, Josef Velíšek, Tereza Valchářová

Publication/Journal: Plos One

Keywords: animal sociality, blood, blood plasma, body weight, catfish, cortisol, eyes, fish physiology

2020


Attitudes of veterinarians and veterinary students to recommendations on how to improve dog and cat welfare in veterinary practice

Authors: Christine Arhant, Nicole Hörschläger, Josef Troxler

Publication/Journal: Journal of Veterinary Behavior

Keywords: animal welfare, cats, companion animals, dogs, low-stress handling, veterinary practice

2019


Effects of parity and litter size on cortisol measures in commercially housed sows and their offspring

Authors: Sanne Roelofs, Lisa Godding, Jeanne R. de Haan, Franz Josef van der Staay, Rebecca E. Nordquist

Publication/Journal: Physiology & Behavior

Keywords: birth weight, hair cortisol, pigs, salivary cortisol, stress

2019


Welfare of feral cats and potential influencing factors

Authors: Elisabeth Marianne Gilhofer, Ines Windschnurer, Josef Troxler, Veronika Heizmann

Publication/Journal: Journal of Veterinary Behavior

Keywords: animal welfare, colony cats, environment, health status, human-animal relationship, stray cats

2019


Effects of environmental enrichment on decision-making behavior in pigs

Authors: F. Josef van der Staay, Johanna A. van Zutphen, Mirjam M. de Ridder, Rebecca E. Nordquist

Publication/Journal: Applied Animal Behaviour Science

Keywords: animal welfare, barren environment, decision-making, enriched environment, hair cortisol, salivary cortisol, stress

2017


Female and male pigs’ performance in a spatial holeboard and judgment bias task

Authors: Sanne Roelofs, Rebecca E. Nordquist, Franz Josef van der Staay

Publication/Journal: Applied Animal Behaviour Science

Keywords: cognition, judgment bias, memory, pigs, sex differences, spatial learning

2017


Approach behaviour of shelter dogs and its relationships with the attitudes of shelter staff to dogs

Authors: Christine Arhant, Josef Troxler

Publication/Journal: Applied Animal Behaviour Science

Keywords: animal shelter, attitudes to dogs, dog, human–dog relationship, welfare assessment

2014


A review of behavioural methods to study emotion and mood in pigs, Sus scrofa

Authors: Eimear Murphy, Rebecca E. Nordquist, Franz Josef van der Staay

Publication/Journal: Applied Animal Behaviour Science

Keywords: behaviour, emotion, open field, pig, play, vocalisation

2014


Juvenile pigs use simple geometric 2D shapes but not portrait photographs of conspecifics as visual discriminative stimuli

Authors: Elise T. Gieling, Maartje A. Musschenga, Rebecca E. Nordquist, F. Josef van der Staay

Publication/Journal: Applied Animal Behaviour Science

Keywords: 2d portrait photographs, discrimination task, facial recognition, low birth weight, pigs, visual-discrimination learning

2012


Laying hens selected for low mortality: Behaviour in tests of fearfulness, anxiety and cognition

Authors: Rebecca E. Nordquist, Jasper L. T. Heerkens, T. Bas Rodenburg, Sabine Boks, Esther D. Ellen, F. Josef van der Staay

Publication/Journal: Applied Animal Behaviour Science

Keywords: cannibalism, chicken, feather pecking, genetic selection, holeboard, open-field test, voluntary approach test

2011


  • Search

  • Search within:
Detroit Zoological Society: Detroit Zoo; Belle Isle Nature Center

Celebrating and Saving Wildlife and Wild Places

8450 W. 10 Mile Road, Royal Oak, MI 48067 | 248-541-5717

The Detroit Zoological Society – a renowned leader in
humane education, wildlife conservation, animal welfare
and sustainability – operates the Detroit Zoo and Belle Isle Nature Center.

  • © 2025 Detroit Zoological Society
Celebrating and Saving Wildlife and Wild Places
Searching...