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Changes between the inactive (resting/ruminating) and active (grazing, walking) states in groups of Me-rino sheep were studied in the field for different group sizes (two, four, six or eight) of either male or female animals over 6-h periods. The amount of synchrony within groups was high (60e80%) and is attributed to the mutual adjustment of behaviour by(More)
The mechanisms by which group-living animals collectively exploit resources, and the role of individuals in group decisions, are central issues for understanding animal distribution patterns. We investigated the extent to which boldness and shyness affect the distribution of social herbivores across vegetation patches, using sheep as a model species. Using(More)
Elucidating whether common general mechanisms govern collective movements in a wide range of species is a central issue in the study of social behaviour. In this paper, we describe a new experimental paradigm for studying the dynamic of collective movements. Some sheep (Ovis aries) were first trained to move towards a coloured panel, in response to a sound(More)
Impacts of individual personality on group distribution were investigated using sheep (Ovis aries) as a model. In an indoor exploration test, individuals who visited <4 (out of 6) objects in a novel environment were classified as 'shy' (n=10), and those who visited 5 or 6 objects were classified as 'bold' (n=10). Nine weeks later, using a series of groups(More)
The neuromuscular blocking characteristics of fazadinium and pancuronium were compared using a general pharmacodynamic model. Since it characterizes the overall relationship between dose and effect, the model can be used to determine precisely equipotent doses, compare time-effect curves, and reconcile the apparently inconsistent clinical and(More)
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