Scientific evaluation of animal emotions: Brief history and recent New Zealand contributions
Publication/Journal: Journal of New Zealand Studies
Keywords: dairy calves, electroencephalographic, fetal, halothane, interdisciplinary, lambs, pain, play-behavior, positive welfare states, rearing substrate, responses, sentience, social sciences
2016
Training bottlenose dolphins to overcome avoidance of environmental enrichment objects in order to stimulate play activities
Publication/Journal: Zoo Biology
Keywords: animal welfare, bottlenose dolphin, environmental enrichment, operant conditioning, play-behavior
2016
Pair housing and enhanced milk allowance increase play behavior and improve performance in dairy calves
Publication/Journal: Journal of Dairy Science
Keywords: group housing, milk feeding, performance, play-behavior, welfare
2015
Indicators of positive and negative emotions and emotional contagion in pigs
Publication/Journal: Physiology & Behavior
Keywords: emotional contagion, empathy, pigs, play-behavior, positive emotions
2013
Play behavior as an indicator of animal welfare: Disbudding in dairy calves
Publication/Journal: Applied Animal Behaviour Science
Keywords: animal welfare, cattle, dairy calf, disbudding, pain, play-behavior
2013
Abstraction, cruelty and other aspects of animal play (exemplified by the playfulness of Muki and Maluca)
Publication/Journal: Sign Systems Studies
Keywords: cat play, cruelty play, human play, play behaviour, play-behavior, social morality, umwelt
2009
Play behaviour in nonhuman animals and the animal welfare issue
Publication/Journal: Journal of Ethology
Keywords: animal well-being, play behaviour, play-behavior, welfare
2009
Revisiting Play Elements and Self-Handicapping in Play: A Comparative Ethogram of Five Old World Monkey Species
Publication/Journal: Journal of Comparative Psychology
Keywords: guenons, langurs, play-behavior, primates, signaling
2009
When do octopuses play? Effects of repeated testing, object type, age, and food deprivation on object play in Octopus vulgaris
Publication/Journal: Journal of Comparative Psychology
Keywords: cognition, invertebrates, octopus, play-behavior
2006
Juvenile farmed mink (Mustela vison) with additional access to swimming water play more frequently than animals housed with a cylinder and platform, but without swimming water
Publication/Journal: Animal Welfare
Keywords: animal welfare, coping capacity, enrichment, mink, needs, play behaviour, play-behavior
2005