Activity Budget Comparisons Using Long-Term Observations of a Group of Bottlenose Dolphins (Tursiops truncatus) under Human Care: Implications for Animal Welfare

Authors: Tim Huettner, Sandra Dollhaeupl, Ralph Simon, Katrin Baumgartner, Lorenzo von Fersen

Publication/Journal: Animals

Keywords: activity budgets, animal welfare, bottlenose dolphin, dolphin behavior, keeper ratings, zoo animal behavior

2021

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

INVITED REVIEW: The usefulness of measuring glucocorticoids for assessing animal welfare

Authors: C. R. Ralph, A. J. Tilbrook

Publication/Journal: Journal of Animal Science

Keywords: 11-beta-hydroxysteroid dehydrogenase type-1, agriculture, amygdaloid complex, corticosteroid-binding globulin, corticosterone, cortisol, dairy & animal science, electrical-stimulation, free serum, isolation/restraint stress, luteinizing-hormone, pituitary-adrenal axis, plasma corticosteroids, stress responses, tissue cortisol activity, welfare assessment

2016

Relationship between plasma and tissue corticosterone in laying hens (Gallus gallus domesticus): implications for stress physiology and animal welfare

Authors: C. R. Ralph, P. H. Hemsworth, B. J. Leury, A. J. Tilbrook

Publication/Journal: Domestic Animal Endocrinology

Keywords: animal welfare, bioavailable corticosterone, corticosterone, stress physiology, tissue glucocorticoids

2015

The Effect of Familiarity on Behavior of Kenneled Dogs During Interactions With Conspecifics

Authors: Anne J. Pullen, Ralph J. N. Merrill, John W. S. Bradshaw

Publication/Journal: Journal of Applied Animal Welfare Science

Keywords: behavior, dogs

2013

Electromagnetic induction of insensibility in animals: a review

Authors: A. Small, D. McLean, J. S. Owen, J. Ralph

Publication/Journal: Animal Welfare

Keywords: animal welfare, cattle, humane slaughter, livestock, recoverable stun, stunning

2013

Preliminary investigations into the use of microwave energy for reversible stunning of sheep

Authors: A. Small, D. McLean, H. Keates, J. S. Owen, J. Ralph

Publication/Journal: Animal Welfare

Keywords: animal welfare, electromagnetic, humane slaughter, insensibility stun, sheep, syncope

2013

Animal personality due to social niche specialisation

Authors: Ralph Bergmüller, Michael Taborsky

Publication/Journal: Trends in Ecology & Evolution

Keywords: animal personality, behavioral syndromes, behavioural syndromes, ecological niche theory, evolution, social conflict, temperament

2010

Impacts of animal traffic on the Brazilian Amazon parrots (Amazona species) collection of the Quinzinho de Barros Municipal Zoological Park, Brazil, 1986–2007

Authors: Ralph Eric Thijl Vanstreels, Rodrigo Hidalgo Friciello Teixeira, Luis Carlos Camargo, Adauto Luis Veloso Nunes, Eliana Reiko Matushima

Publication/Journal: Zoo Biology

Keywords: amazona, animal traffic, brazil, demography, zoo

2010

Preferences for toy types and presentations in kennel housed dogs

Authors: Anne Jennifer Pullen, Ralph John Ndende Merrill, John William Stephen Bradshaw

Publication/Journal: Applied Animal Behaviour Science

Keywords: domestic dog, enrichment, object play, preference, toys, welfare

2010