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Showing 1 to 20 of 31 for “"social rank"”.
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Effect of stocking density at the feeding rack and social rank on the behaviour of Icelandic heifers
… stocking density at the feeding rack on both the social and maintenance behaviour of heifers. Furthermore, it was the aim to study possible interactions of stocking density with the social status of the animals. Two groups of nine Icelandic dairy heifers each were used in a cross over design …
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Female Social Rank and Steroid Production in Semi-Free Ranging Lemur Catta on St. Catherines Island, Georgia
<p>Many mammalian species live in complex social groups that profoundly affect the behavior and ecology of their members. In ring-tailed lemurs (<em>Lemur catta)</em> these groups are characterized by female dominance, where females have priority over males for food, grooming, and space. Among …
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Establishing a Link Between Personality and Social Rank in a Group of Bottlenose Dolphins (<i>Tursiops truncatus</i>)
… are thought to play an important role in various social contexts such as hierarchical dominance (Highfill & Kuczaj, 2010). The present study investigated the relationship between personality and social rank within a captive group of bottlenose dolphins housed at the Roatan Institute for Marine …
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Effect of Social Rank on Pig Performance and Feeding Behavior With Conventional and Electronic Feed Intake Recording Equipment
Previous studies determined and applied a rank to pigs based on specific agonistic behaviors and did not determine the effect of rank on feed intake, growth performance, and feeding behavior. This experiment was conducted to determine the effect of rank for pigs based on wins using two types of …
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Studies on the Relationship Between Testosterone and Social Rank in Male Mice (Mus Musculus); Measurement and Replacement Experiments
Made available in DSpace on 2014-12-14T16:11:08Z (GMT). No. of bitstreams: 1 7616095.pdf: 4052420 bytes, checksum: 55f9c42a530c931701bed25041774109 (MD5) Previous issue date: 1976
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Endogenous hormonal milieu of female cynomolgus monkeys: interaction with cognitive performance, social rank and acquisition of cocaine self-administration
… in groups of four to examine the interactions of social rank and hormone concentrations on vulnerability to cocaine reinforcement and cognitive function. The overarching goal was to characterize how estradiol (E2) and progesterone (P4) concentrations influence cognitive performance, eventual …
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FACTORS THAT AFFECT SOCIAL HIERARCHY AND THE INFLUENCE OF SOCIAL RANK AND MENSTRUAL CYCLE ON COCAINE SELF-ADMINISTRATION IN FEMALE CYNOMOLGUS MONKEYS
… of trait and state markers associated with social hierarchy in female nonhuman primates. In addition, the effect of menstrual cycle phase and social rank was examined on acquisition and maintenance of cocaine reinforcement. Chapter II was aimed at examining physiological, neurochemical, …
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Influence of the social hierarchy on gray squirrel behavior
Based on 750 social interactions, largely at feeding stations, gray squirrels in two woodlots were ranked in a social hierarchy by the percentile rank formula and by the linear method. Correlations of rank in the social hierarchy with age, size of home range, and feeding activity under inclement …
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The Dynamics of Social Hierarchy
… body of research has outlined that humans gain social rank through two pathways: prestige and dominance. This dual model of social hierarchy advocates that individuals either attain positions of high rank though signals of an ability and willingness to either inflict harm (dominance) or confer …
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Aggressive vocalizations in feeding guanacos, Lama guanicoe
<p>Guanacos (Lama guanicoe) are highly social ungulates which exhibit subtle threat displays and aggressive vocalizations when feeding. Although studies have qualitatively described aggressive vocalizations, the causation and functional significance of aggressive vocalizations in feeding guanacos …
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Quantitative Genetics of Life History Microevolution in the Cayo Santiago Rhesus Macaques (Macaca Mulatta)
… terms of understanding primate life history and sociality through analyses targeting variation within populations rather than interspecific comparisons. Population patterns of genetic variation and covariation, because of their role in evolutionary theory, are essential parameters to estimate, …
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Intrabrood Dominance Hierarchies in Juvenile Red-Cockaded Woodpeckers: The Role of Early Social Environment On Post-Fledging Survival and Natal Dispersal
… These hierarchies act as a mechanism for social selection by partitioning resources among group-living animals. The following chapters describe my dissertation research which investigates the factors contributing to competitive asymmetries among broodmates as well as the short- and …
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Expression of Status in Sixteenth Century Tlaxcala
… ideas about the communication of identity, social rank, and prestige quickly incorporated newly introduced Spanish cultural norms. This thesis examines sources such as The Tlaxcalan Actas, or municipal council records, to discern the ways in which Tlaxcalans - as individuals, a community, …
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Radiometric evaluation of the prehistoric mortuary practices of the Chinchorro culture in northern Chile
… group that did not recognize individual social rank in mortuary practices. To test these hypotheses 16 samples from 15 Chinchorro mummies of the Arica, Chile area were 14C dated. These figures were then compared to 23 previously published dates. Results demonstrated that the …
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Sir Gawain and the Green Knight : Entertainment--the Author's Intention
… concern will not be with the poet's identity or social rank, but will instead be with his motives. In some places this paper will appear to work backwards, assuming that since a certain effect was achieved, it must have been intended, but that is not an uncommon assumption in literary …
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Age Effects on Social and Investigative Behaviors in a Closed Population of African Elephants
… hypotheses to explain the development of social and reproductive behaviors. The reproductive hypothesis states that behaviors change around the time when an individual begins successfully reproducing, while the social dominance hypothesis states that behaviors change throughout the life of …
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Agonistic behavior, the development of the social hierarchy and stress in genetically diverse flocks of chickens
The agonistic behavior and development of the social hierarchy of juvenile pullets were studied in two lines of chickens which had been divergently selected for juvenile body weight and in which the dwarf gene (dw) was segregating. Correlations between the behavioral measurements and physiological …
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Assessing the well-being of gestating submissive sows in group pens using multiple welfare metrics
… welfare. Group housing of sows does allow for social interactions and increased levels of mobility, however the greatest consequence is increased aggression among group-housed sows. The highest level of aggression within a group-pen system occurs during mixing in order to establish social …
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Becoming a man: the prescriptions of manhood and manliness in early modern England
… century. Moreover, the centrality of both social status and the life cycle to the edicts of manhood are raised and analysed. After an initial examination of both professional and popular understanding of biological distinctions between the two sexes, the importance placed on outward …
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Victorian Children's Book Illustrations
… effects of urbanization and industrialization, social roles began to shift, changes that were reflected in the children’s book illustrations of Randolph Caldecott, Henry J. Ford, and Beatrix Potter. This time period was considered the golden age of children’s book illustrations due to a large …
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