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Date: 05/9/25
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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=spermatogenesis

Hormonal profiles of captive Galapagos tortoises (Chelonoidis nigra)

Authors: Maile A. Branson, Shannon Atkinson, Meg Ferrell Ramos

Publication/Journal: Zoo Biology

Keywords: estrogen, fertility, progesterone, rainfall, reproduction, temperature, testosterone

2016

Effect of an increase in environmental temperature on testicular androgenesis and spermatogenesis in toad (Bufo melanostictus) during hibernating season

Authors: S. Parua, J.M. Debnath, D. Ghosh

Publication/Journal: Zoo Biology

Keywords: bufo melanostictus, gametogenesis, heat exposure, hibernation, spermatogenesis

2011

Reproductive and thyroid hormone profiles in captive Western fence lizards (Sceloporus occidentalis) after a period of brumation

Authors: Sandra M. Brasfield, Larry G. Talent, David M. Janz

Publication/Journal: Zoo Biology

Keywords: brumation, captivity, estradiol, reproduction, sceloporus, testosterone, thyroxine, triiodothyronine

2008

Non-invasive measurement of 11-ketotestosterone, cortisol and androstenedione in male three-spined stickleback (Gasterosteus aculeatus)

Authors: M. Sebire, I. Katsiadaki, A. Scott

Publication/Journal: General and Comparative Endocrinology

Keywords: 11-ketotestosterone, androstenedione, behavior, behaviour, cortisol, endocrine disruption, non-invasive method, stickleback, stress

2007

Serum testosterone in captive male rhinoceros: Effects of season, age, stress, and sociosexual environment

Authors: Bruce W. Christensen

Publication/Journal: Reproductive Physiology: College of Veterinary Medicine

Keywords: breeding, captive, cortisol, eia, elisa, endangered, enzyme immunoassay, free-ranging, management, reproductive physiology, rhinoceros, testosterone, thesis

2007

Relationships among nutrition and reproduction and relevance for wild animals

Authors: Mary E. Allen, Duane E. Ullrey

Publication/Journal: Zoo Biology

Keywords: energy, food restriction, minerals, protein, spermatogenesis, vitamins

2004

Seasonal reproductive cycle of the Galápagos tortoise (Geochelone nigra) in captivity

Authors: David C. Rostal, Todd R. Robeck, Janice S. Grumbles, Patrick M. Burchfield, David Wm Owens

Publication/Journal: Zoo Biology

Keywords: gonadal steroids, reptilia, testudines, testudinidae, total calcium, ultrasonography, vitellogenesis

1998

Effects of capture and temperature stresses on plasma steroid concentrations in male tuatara (Sphenodon punctatus)

Authors: MP Joss Jr

Publication/Journal: Journal of Experimental Zoology

Keywords: capture, progesterone, sphenodon punctatus, stress, temperature, testosterone, tuatara

1990

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Detroit Zoological Society: Detroit Zoo; Belle Isle Nature Center

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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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Celebrating and Saving Wildlife and Wild Places
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