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Date: 05/11/25
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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=yolk%20testosterone

Exploring the Effect of Age on the Reproductive and Stress Physiology of Octopus bimaculoides Using Dermal Hormones

Authors: Stephanie Chancellor, Bret Grasse, Taylor Sakmar, David Scheel, Joel S. Brown, Rachel M. Santymire

Publication/Journal: Animals

Keywords: California two-spot octopus, cortisol, estradiol, progesterone, senescence, testosterone

2023

Non-invasive assessment of fecal glucocorticoid and androgen metabolites in the pygmy hippopotamus (Choeropsis liberiensis)

Authors: Gabriella L. Flacke, Linda M. Penfold, Franz Schwarzenberger, Graeme B. Martin, César A. Rosales-Nieto, Monique C. J. Paris

Publication/Journal: General and Comparative Endocrinology

Keywords: acth challenge, cortisol, enzyme immunoassay (eia), Fecal steroid hormone metabolites, Pygmy hippo, testosterone

2023

Fecal stress, nutrition and reproductive hormones for monitoring environmental impacts on tigers (Panthera tigris)

Authors: Samrat Mondol, Rebecca K Booth, Samuel K %J Conservation Physiology Wasser

Publication/Journal: Conservation Physiology

Keywords: adrenal, conservation physiology, stress-nutrition interplay, thyroid and reproductive hormones assay validation, tigers

2020

Influence of vitamin E and carcass feeding supplementation on fecal glucocorticoid and androgen metabolites in male black-footed ferrets (Mustela nigripes)

Authors: Rachel M Santymire, Shana R Lavin, Heather Branvold-Faber, Julie Kreeger, Judy Che-Castaldo, Michelle Rafacz, Paul Marinari

Publication/Journal: PloS one

Keywords: androgen, black-footed ferret, carcass feeding, fecal glucocorticoid, vitamin e

2020

Measurement of Fecal Testosterone Metabolites in Mice: Replacement of Invasive Techniques

Authors: Kerstin E. Auer, Marius Kußmaul, Erich Möstl, Katharina Hohlbaum, Thomas Rülicke, Rupert Palme

Publication/Journal: Animals

Keywords: androgens, feces, mice, non-invasive, testosterone

2020

Investigation of the efficacy of the GnRH agonist deslorelin in mitigating intraspecific aggression in captive male Amur leopards (Panthera pardus orientalis)

Authors: Jessica J. Harley, Aisling Power, John D. Stack

Publication/Journal: Zoo Biology

Keywords: agonistic behavior androgens, bachelor groups, testosterone

2019

Fathers’ cortisol and testosterone in the days around infants’ births predict later paternal involvement

Authors: Patty X. Kuo, Julia M. Braungart-Rieker, Jennifer E. Burke Lefever, Mallika S. Sarma, Molly O'Neill, Lee T. Gettler

Publication/Journal: Hormones and Behavior

Keywords: endocrine reactivity, fatherhood, hormones, newborns, paternal care, psychobiology

2018

Injections to pregnant mice produce prenatal stress that affects aggressive behavior in their adult male offspring

Authors: Monika Ogrizek, Neža Grgurevič, Tomaž Snoj, Gregor Majdič

Publication/Journal: Hormones and Behavior

Keywords: aggressive behavior, calbindin, immunohistochemistry, mouse, prenatal stress, sexual behavior, testosterone, vassopressin

2018

Lizards perceived abiotic and biotic stressors independently when competing for shade in terrestrial mesocosms

Authors: Travis W. Rusch, Michael W. Sears, Michael J. Angilletta

Publication/Journal: Hormones and Behavior

Keywords: aggression, corticosterone, movement, resources, testosterone, thermal stress, thermoregulation

2018

Territorial aggression in urban and rural Song Sparrows is correlated with corticosterone, but not testosterone

Authors: Scott Davies, Michelle L. Beck, Kendra B. Sewall

Publication/Journal: Hormones and Behavior

Keywords: androgen, challenge hypothesis, glucocorticoid, territorial aggression, urbanization

2018

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