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Date: 12/14/24
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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/?ignore=title%2Cabstract%2Cpublication%2Ckeywords&fwp_search=Marcel%20Eens

Qualitative Behavioural Assessment of bonobo emotional expressivity across observer groups and zoo housing environments

Authors: Daan W. Laméris, Marina Salas, Marcel Eens, Lisa Gillespie, Nicky Staes, Jonas R. R. Torfs, Jonas Verspeek, Hilde Vervaecke, Samantha J. Ward, Jeroen M. G. Stevens

Publication/Journal: Animal Welfare

Keywords: animal welfare, emotion, Fixed List, free choice profiling, primate, qba

2024

Qualitative Behavioural Assessment of bonobo emotional expressivity across observer groups and zoo housing environments

Authors: D. W. Laméris, M. Salas, M. Eens, L. Gillespie, N. Staes, J. R. Torfs, J. Verspeek, H. Vervaecke, S. J. Ward, J. M. Stevens

Publication/Journal: Anim Welf

Keywords: animal welfare, emotion, Fixed List, free choice profiling, primate, qba

2024

Visually assessed body condition shows high heritability in a pedigreed great ape population

Authors: Jonas R. R. Torfs, Marcel Eens, Daan W. Laméris, Jeroen M. G. Stevens, Jonas Verspeek, Jean-Pascal Guery, Nicky Staes

Publication/Journal: American Journal of Primatology

Keywords: animal models, body condition score, bonobo, relative fat mass

2023

Investigating the effects of sex and rearing-history on social network position in zoo-housed bonobos

Authors: Jonas Torfs, Jeroen Stevens, Jonas Verspeek, Daan Lameris, Marcel Eens, Nicky Staes

Publication/Journal: BIAZA Research Symposium, Date: 2021/07/13-2021/07/14, Location: Online

Keywords: bonobos, rearing history, social network analysis

2021

Dose-dependent responses of avian daily rhythms to artificial light at night

Authors: Maaike de Jong, Lizanne Jeninga, Jenny Q. Ouyang, Kees van Oers, Kamiel Spoelstra, Marcel E. Visser

Publication/Journal: Physiology & Behavior

Keywords: artificial light at night, circadian rhythm, dose–response, great tit, light intensity, melatonin

2016

Chimpanzee sociability is associated with vasopressin (Avpr1a) but not oxytocin receptor gene (OXTR) variation

Authors: Nicky Staes, Sonja E. Koski, Philippe Helsen, Erik Fransen, Marcel Eens, Jeroen M. G. Stevens

Publication/Journal: Hormones and Behavior

Keywords: avpr1a, behavioral genetics, oxtr, oxytocin, pan troglodytes, personality, sociability, vasopressin

2015

Testosterone increases repertoire size in an open-ended learner: An experimental study using adult male European starlings (Sturnus vulgaris)

Authors: Alain J. M. Van Hout, Rianne Pinxten, Veerle M. Darras, Marcel Eens

Publication/Journal: Hormones and Behavior

Keywords: adult song learning, european starling, repertoire turnover, repetition rate, sexual signal, song bout length, sturnus vulgaris, testosterone

2012

Effects of chronic stress: A comparison between tethered and loose sows

Authors: F. Josef van der Staay, Teun Schuurman, Marcel Hulst, Mari Smits, Jos Prickaerts, Gunter Kenis, S. Mechiel Korte

Publication/Journal: Physiology & Behavior

Keywords: [beta]-globin, animal model, cortisol, depression, frontal cortex, gene expression, glucocorticoid receptor, hippocampus, igf-ii, mineralocorticoid receptor

2010

Behavioural syndromes and trappability in free-living collared flycatchers, Ficedula albicollis

Authors: László Zsolt Garamszegi, Marcel Eens, János Török

Publication/Journal: Animal Behaviour

Keywords: adaptation, collared flycatcher, coping style, ficedula hypoleuca, personality, temperament, trappability

2009

Cortisol administration to pregnant sows affects novelty-induced locomotion, aggressive behaviour, and blunts gender differences in their offspring

Authors: Godelieve Kranendonk, Hans Hopster, Maaike Fillerup, E. Dinand Ekkel, Eduard J. H. Mulder, Marcel A. M. Taverne

Publication/Journal: Hormones and Behavior

Keywords: activity, aggression, behavioural tests, corticosteroids, gender differences, gestation, pig, prenatal stress

2006

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