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Date: 05/10/25
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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=N.%20Engelhardt&ignore=title%2Cabstract%2Cpublication%2Ckeywords

Is social dispersal stressful? A study in male crested macaques (Macaca nigra)

Authors: Pascal R. Marty, Keith Hodges, Michael Heistermann, Muhammad Agil, Antje Engelhardt

Publication/Journal: Hormones and Behavior

Keywords: crested macaque, FGCM, social dispersion, stress

2017

Early social instability affects plasma testosterone during adolescence but does not alter reproductive capacity or measures of stress later in life

Authors: Katja Siegeler, Joachim Wistuba, Oliver S. Damm, Nikolaus von Engelhardt, Norbert Sachser, Sylvia Kaiser

Publication/Journal: Physiology & Behavior

Keywords: prenatal, reproduction, social environment, stress system activity, testosterone, wild cavy

2013

Social Tolerance in Wild Female Crested Macaques (Macaca nigra) in Tangkoko-Batuangus Nature Reserve, Sulawesi, Indonesia

Authors: Julie Duboscq, JÉRÔMe Micheletta, Muhammad Agil, Keith Hodges, Bernard Thierry, Antje Engelhardt

Publication/Journal: American Journal of Primatology

Keywords: comparative studies, females, macaca nigra, macaques, social behavior, social tolerance

2013

Assessing dominance hierarchies: validation and advantages of progressive evaluation with Elo-rating

Authors: C. Neumann, J. Duboscq, C. Dubuc, G. Ginting, A.M. Irwan, M. Agil, A. Widdig, A. Engelhardt

Publication/Journal: Animal Behaviour

Keywords: david's score, dominance hierarchy, dominance rank, elo-rating, hierarchy stability, i&s*i, macaca nigra, macaca-mulatta, methodology

2011

Investigating Maternal Hormones in Avian Eggs: Measurement, Manipulation, and Interpretation

Authors: T.G. Groothuis, N. Engelhardt

Publication/Journal: Annals of the New York Academy of Sciences

Keywords: animals, birds/metabolism, female, gonadal steroid hormones/analysis, hormones/analysis, ovum/chemistry, reproducibility of results, sensitivity and specificity. specimen handling, steroids/analysis of variance

2005

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