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Date: 12/24/24
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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=M.%20Erhard&ignore=title%2Cabstract%2Cpublication%2Ckeywords

Saliva and Blood Cortisol Measurement in Bottlenose Dolphins (Tursiops truncatus): Methodology, Application, and Limitations

Authors: Daniela Rickert, Ralph Simon, Lorenzo von Fersen, Katrin Baumgartner, Thomas Bertsch, Clemens Kirschbaum, Michael Erhard

Publication/Journal: Animals

Keywords: animal welfare, blood cortisol, bottlenose dolphin, saliva cortisol, stress measurement, tursiops-truncatus

2021

Face-based perception of emotions in dairy goats

Authors: Lucille G. A. Bellegarde, Marie J. Haskell, Christine Duvaux-Ponter, Alexander Weiss, Alain Boissy, Hans W. Erhard

Publication/Journal: Applied Animal Behaviour Science

Keywords: *cognitive bias, ear postures, emotions, face, goats

2017

Brachycephalic problems of pugs relevant to animal welfare

Authors: A. Bartels, V. Martin, E. Bidoli, S. Steigmeier-Raith, A. Brühschwein, S. Reese, R. Köstlin, M. Erhard

Publication/Journal: Animal Welfare

Keywords: animal welfare, brachycephalic airway syndrome, physical exercise, pugs, retropugs, stress test

2015

Stress Assessment in Small Ruminants Kept on City Farms in Southern Germany

Authors: Anna-Katarina Schilling, Sven Reese, Rupert Palme, Michael Erhard, Anna-Caroline Wöhr

Publication/Journal: Journal of Applied Animal Welfare Science

Keywords: small ruminants, stress

2015

Relationships between scores of the feline temperament profile and behavioural and adrenocortical responses to a mild stressor in cats

Authors: Tazuko Iki, Frank Ahrens, Katharina Hannah Pasche, Angela Bartels, Michael Helmut Erhard

Publication/Journal: Applied Animal Behaviour Science

Keywords: acute stress, behavior, behaviour, cat, cortisol, temperament test

2011

Individual Personality and the Spatial Distribution of Groups of Grazing Animals: An Example with Sheep

Authors: A. M. Sibbald, H. W. Erhard, J. E. McLeod, R. J. Hooper

Publication/Journal: Behavioural Processes

Keywords: exploration test, grazing, minimum convex hull area, nearest neighbour distance, sheep, shy–bold continuum

2009

Rank correlated use of soft flooring by dairy cattle

Authors: Platz, S.; Ahrens, F.; Bendel, J.; Meyer, H.; Erhard, M.H.

Publication/Journal: Animal Welfare

Keywords: animal welfare, concrete floor, cow comfort, dairy cattle, social rank, soft flooring

2007

Assessing the relative aversiveness of two stimuli: single sheep in the arena test

Authors: H.W. Erhard

Publication/Journal: Animal Welfare

Keywords: animal welfare, approach-avoidance conflict, aversion, motivation, sheep

2003

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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.

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