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Behavioural, saliva cortisol and heart rate responses to different types of stimuli in dogs
Abstract Stress parameters that can be measured noninvasively may help to identify poor welfare in dogs that live in private homes and institutions. Behavioural parameters are potentially useful toExpand
Manifestations of chronic and acute stress in dogs
Abstract Poor housing conditions, harsh training sessions and uncontrollable or unpredictable social environments are examples of the situations that may lead to reduced welfare status in dogs.Expand
Chronic Stress in Dogs Subjected to Social and Spatial Restriction. II. Hormonal and Immunological Responses
Data suggest that bad weather conditions during spacious outdoor group housing induced early stress that attenuated the negative appraisal of the subsequent period of social and spatial restriction, and bitches are not only more susceptible to acute stress, but also to chronic housing stress. Expand
Behavioural and hormonal indicators of enduring environmental stress in dogs
Chronic stress in dogs may be identified by increased paw lifting when animals are not disturbed and by ample behavioural expressions of arousal when they are mildly stimulated, since some behaviours may occur in contexts not related to stress. Expand
Chronic Stress in Dogs Subjected to Social and Spatial Restriction. I. Behavioral Responses
During a variety of challenges, socially and spatially restricted dogs exhibited a heightened state of aggression, excitement, and uncertainty, which may indicate chronic stress in dogs, and can help to identify poor welfare. Expand
Social and Genetic Aspects of Paternity in Wild Long-Tailed Macaques (Macaca Fascicularis)
In a field study of three groups of wild long-tailed macaques, Macaca fascicularis, observations on social behaviour could be related to genetically determined paternity. In contrast to what has beenExpand
Male bimaturism and reproductive success in Sumatran orang-utans
Two competing hypotheses, previously untested, have been advanced to explain male reproductive behavior and bimaturism in orang-utans and a third hypothesis that the two male morphs represent co-existing alternative male reproductive strategies are investigated. Expand
Assessment of female reproductive status by male longtailed macaques, Macaca fascicularis, under natural conditions
It is found that interest in females shown by both dominant and subordinate males was strongest during and around the fertile phase, and the finding of a strong positive relation between male interest and female oestrogen levels in all cycles indicates that at least some of the cues used by males to assess female reproductive status are oestrogens related. Expand
Male and female mating competition in wolves: female suppression vs. male intervention
Analysis of the social behaviour of wolves in and around the mating season at Burger's Zoo in Arnhem (the Netherlands) found that male competition was comparatively more context-related while female competition took the form of unprovoked hostility. Expand