Applying Behavioral and Physiological Measures to Assess the Relative Impact of the Prolonged COVID-19 Pandemic Closure on Two Mammal Species at the Oregon Zoo: Cheetah (A. jubatus) and Giraffe (G. c. reticulata and G. c. tippelskirchii)

Authors: Laurel B Fink, Candace D Scarlata, Becca VanBeek, Todd E Bodner, Nadja C Wielebnowski

Publication/Journal: Animals

Keywords: animal behavior, visitor effect, wildlife endocrinology, zoo animal welfare

2021

Supporting Zoo Asian Elephant (Elephas maximus) Welfare and Herd Dynamics with a More Complex and Expanded Habitat

Authors: Sharon S Glaeser, David Shepherdson, Karen Lewis, Natalia Prado, Janine L Brown, Bob Lee, Nadja Wielebnowski

Publication/Journal: Animals

Keywords: adrenal activity, behavior, elephant, feeding predictability, glucocorticoids, gps, habitat evaluation, locomotion, sociality, welfare

2021

Effects of physiological changes and social life events on adrenal glucocorticoid activity in female zoo-housed Asian elephants (Elephas maximus)

Authors: Sharon S Glaeser, Katie L Edwards, Nadja Wielebnowski, Janine L Brown

Publication/Journal: PloS one

Keywords: animal sociality, cortisol, elephants, estrous cycle, euthanasia, phase determination, pregnancy, urine

2020

Playful activity post-learning improves training performance in Labrador Retriever dogs (Canis lupus familiaris)

Authors: Nadja Affenzeller, Rupert Palme, Helen Zulch

Publication/Journal: Physiology & Behavior

Keywords: activity, consolidation, dog, memory, play, rest

2017

Characterization of multiple pathways modulating aggression in the male clouded leopard (Neofelis nebulosa)

Authors: Heather B. DeCaluwe, Nadja C. Wielebnowski, JoGayle Howard, Katharine M. Pelican, Mary Ann Ottinger

Publication/Journal: Zoo Biology

Keywords: androgens, glucocorticoids, gnrh agonist, serotonergic regulation, tricyclic antidepressant

2016

Using non-invasive faecal hormone metabolite monitoring to detect reproductive patterns, seasonality and pregnancy in red river hogs (Potamochoerus porcus)

Authors: Jocelyn Bryant, Nadja Wielebnowski, Diane Gierhahn, Tina Houchens, Astrid Bellem, Amy Roberts, Joan Daniels

Publication/Journal: Journal of Zoo and Aquarium Research

Keywords: enzyme immunoassay (eia), faecal hormone metabolite, red river hogs, reproduction

2016

Animal Welfare: A Central Tenet of the Association of Zoos and Aquariums

Authors: Debborah Luke, Nadja Wielebnowski, Scott Carter

Publication/Journal: Journal of Applied Animal Welfare Science

Keywords: animal welfare

2013

Behavioral reactions relate to adrenal activity and temperament in male clouded leopards (Neofelis nebulosa)

Authors: Heather B. DeCaluwe, Nadja C. Wielebnowski, JoGayle Howard, Katharine M. Pelican, Mary Ann Ottinger

Publication/Journal: Applied Animal Behaviour Science

Keywords: anxiety, behavior tests, fecal hormone monitoring, felids, mirror image stimulation test, stress

2013

Effect of housing and husbandry practices on adrenocortical activity in captive Canada lynx (Lynx canadensis)

Authors: K. V. Fanson, N. C. Wielebnowski

Publication/Journal: Animal Welfare

Keywords: animal welfare, canada lynx, captive breeding, faecal glucocorticoid metabolites, felid, stress

2013

Animal-based welfare monitoring: using keeper ratings as an assessment tool

Authors: Jessica C. Whitham, Nadja Wielebnowski

Publication/Journal: Zoo Biology

Keywords: animal well-being, animal-based assessments, keeper assessments, welfare-monitoring tool, zoo animal welfare

2009