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Author |
Landaeta-Hernández, A. J.; Chenoweth, P. J.; Randles, R.; Littell, R.; Rae, O.; Chase, C. C. |
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Title |
Identifying the social dominance order in a mixed breed herd: a practical methodology |
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Journal Article |
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Year |
2005 |
Publication |
Revista Científica |
Abbreviated Journal |
Revista Científica |
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Volume |
15 |
Issue |
2 |
Pages |
148-154 |
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Keywords |
Cattle, behavior, social organization |
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Abstract |
The major objective of this study was to identify a simple and accurate method of assessing differences in female social status. Three methods of estimating dominance value (DV) were compared in beef cows of three breed-types; Angus (A; n=10), Brahman (B; n=10), and Senepol (S; n=10). Cows were equitably assigned to two groups of fifteen each, allocated into separate pastures and containing equal number of animals by breed. Agonistic interactions were recorded for 45 d of study, in two 1 h periods during concentrate feeding using the method of competitive orders winner/loser. Methods of estimating DV included: I) Ratio between individuals dominated and total encountered, II) Ratio between encounters won to total encounters, III) Proportion of individuals dominated to total herdmates. Due to the different level of interactivity evidenced among animals as well as between and within social orders, method III with subsequent arc-sin transformation was considered as the most practical and accurate method for estimating DV and subsequent allocation of cows into a social dominance order. In addition, a breed effect was found on social dominance. Senepol cows obtained greater DV`s (1.24 ± 0.08) than Angus (0.97 ± 0.08; P<0.03) and Brahman cows (0.76 ± 0.08; P<0.005). |
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0798-2259 |
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yes |
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Call Number |
Equine Behaviour @ team @ |
Serial  |
4753 |
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Author |
Holekamp, K.E.; Sakai, S.T.; Lundrigan, B.L. |
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Title |
Social intelligence in the spotted hyena (Crocuta crocuta) |
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Journal Article |
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Year |
2007 |
Publication |
Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences |
Abbreviated Journal |
Philos Trans R Soc Lond B Biol Sci |
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Volume |
362 |
Issue |
1480 |
Pages |
523-538 |
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Keywords |
Anatomy, Comparative; Animals; Brain/*anatomy & histology; Cercopithecinae/anatomy & histology/*physiology; Decision Making/physiology; Hyaenidae/anatomy & histology/*physiology; *Intelligence; *Recognition (Psychology); *Social Behavior; Species Specificity |
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If the large brains and great intelligence characteristic of primates were favoured by selection pressures associated with life in complex societies, then cognitive abilities and nervous systems with primate-like attributes should have evolved convergently in non-primate mammals living in large, elaborate societies in which social dexterity enhances individual fitness. The societies of spotted hyenas are remarkably like those of cercopithecine primates with respect to size, structure and patterns of competition and cooperation. These similarities set an ideal stage for comparative analysis of social intelligence and nervous system organization. As in cercopithecine primates, spotted hyenas use multiple sensory modalities to recognize their kin and other conspecifics as individuals, they recognize third-party kin and rank relationships among their clan mates, and they use this knowledge adaptively during social decision making. However, hyenas appear to rely more intensively than primates on social facilitation and simple rules of thumb in social decision making. No evidence to date suggests that hyenas are capable of true imitation. Finally, it appears that the gross anatomy of the brain in spotted hyenas might resemble that in primates with respect to expansion of frontal cortex, presumed to be involved in the mediation of social behaviour. |
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Department of Zoology, Michigan State University, East Lansing, MI 48824, USA. holekamp@msu.edu |
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0962-8436 |
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PMID:17289649 |
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Equine Behaviour @ team @ |
Serial |
4719 |
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Author |
Verrill, S.; McDonnell, S. |
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Title |
Equal Outcomes with and without Human-to-Horse Eye Contact When Catching Horses and Ponies in an Open Pasture |
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Journal Article |
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Year |
2008 |
Publication |
Journal of Equine Veterinary Science |
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28 |
Issue |
5 |
Pages |
309-312 |
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Horse handling; Horse management; Eye contact; Interspecies interactions; Equine behavior |
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Each of 104 horses and ponies was approached for catching at pasture by the same human handler in a standard manner, either maintaining human-to-animal eye contact (EC+; n = 51) or avoiding eye contact (EC-; n = 53). A subset of 74 of these subjects were reevaluated 3 weeks later under similar standard conditions except with the eye contact condition opposite to that used in the first round. Nonparametric statistical methods were used to evaluate between subjects (round 1, n = 104) and within subjects (rounds 1 and 2, n = 74) comparisons of successful or unsuccessful catching outcome with EC+ and EC-. Catching outcomes were similar with eye contact condition. Although this study represents a single handler at one study site, results suggest that human-to-horse eye contact may not be an important influence on catching pastured horses. Certainly, further work is needed to better understand the role of eye contact in horse handling. |
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0737-0806 |
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no |
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Equine Behaviour @ team @ |
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4711 |
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Author |
Byrne, R.W.; Bates, L.A. |
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Title |
Why are animals cognitive? |
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Journal Article |
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Year |
2006 |
Publication |
Current Biology : CB |
Abbreviated Journal |
Curr Biol |
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16 |
Issue |
12 |
Pages |
R445-8 |
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Keywords |
Animals; Arachnida/physiology; *Association Learning; *Behavior, Animal; *Cognition; Cooperative Behavior; Falconiformes/physiology; Pan troglodytes/physiology; Parrots/physiology; Passeriformes/physiology |
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Centre for Social Learning and Cognitive Evolution, and Scottish Primate Research Group, School of Psychology, University of St Andrews, Fife KY16 9JP, Scotland |
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0960-9822 |
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PMID:16781995 |
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Call Number |
Equine Behaviour @ team @ |
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4708 |
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Author |
Adolphs, R. |
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Title |
Cognitive neuroscience of human social behaviour |
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Journal Article |
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Year |
2003 |
Publication |
Nature Reviews. Neuroscience |
Abbreviated Journal |
Nat Rev Neurosci |
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Volume |
4 |
Issue |
3 |
Pages |
165-178 |
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Keywords |
Cognition; Emotions; Humans; Models, Psychological; *Social Behavior |
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Abstract |
We are an intensely social species--it has been argued that our social nature defines what makes us human, what makes us conscious or what gave us our large brains. As a new field, the social brain sciences are probing the neural underpinnings of social behaviour and have produced a banquet of data that are both tantalizing and deeply puzzling. We are finding new links between emotion and reason, between action and perception, and between representations of other people and ourselves. No less important are the links that are also being established across disciplines to understand social behaviour, as neuroscientists, social psychologists, anthropologists, ethologists and philosophers forge new collaborations. |
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Deparment of Neurology, University of Iowa, 200 Hawkins Drive, Iowa City, Iowa 52242, USA. ralph-adolphs@uiowa.edu |
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1471-003X |
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PMID:12612630 |
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Equine Behaviour @ team @ |
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4706 |
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Author |
Proops, L.; McComb, K.; Reby, D. |
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Title |
Cross-modal individual recognition in domestic horses (Equus caballus) |
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Journal Article |
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Year |
2009 |
Publication |
Proceedings of the National Academy of Sciences of the United States of America |
Abbreviated Journal |
Proc. Natl. Acad. Sci. U.S.A. |
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Volume |
106 |
Issue |
3 |
Pages |
947-951 |
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Keywords |
animal cognition vocal communication social behavior playback experiment expectancy violation |
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Abstract |
Individual recognition is considered a complex process and, although it is believed to be widespread across animal taxa, the cognitive mechanisms underlying this ability are poorly understood. An essential feature of individual recognition in humans is that it is cross-modal, allowing the matching of current sensory cues to identity with stored information about that specific individual from other modalities. Here, we use a cross-modal expectancy violation paradigm to provide a clear and systematic demonstration of cross-modal individual recognition in a nonhuman animal: the domestic horse. Subjects watched a herd member being led past them before the individual went of view, and a call from that or a different associate was played from a loudspeaker positioned close to the point of disappearance. When horses were shown one associate and then the call of a different associate was played, they responded more quickly and looked significantly longer in the direction of the call than when the call matched the herd member just seen, an indication that the incongruent combination violated their expectations. Thus, horses appear to possess a cross-modal representation of known individuals containing unique auditory and visual/olfactory information. Our paradigm could provide a powerful way to study individual recognition across a wide range of species. |
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10.1073/pnas.0809127105 |
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Equine Behaviour @ team @ |
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4689 |
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Author |
Mech L.D. |
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Title |
Leadership in Wolf, Canis lupus, Packs. |
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Journal Article |
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Year |
2000 |
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Canadian Field-Naturalist |
Abbreviated Journal |
Can Field Nat |
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114 |
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2 |
Pages |
259-263 |
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Keywords |
Wolf, Canis lupus, leadership, behavior, foraging, movements, pup care, provisioning, sociality, reproduction, breeding, Northwest Territories. |
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I examine leadership in Wolf (Canis lupus) packs based on published observations and data gathered during summers from 1986 to 1998 studying a free-ranging pack of Wolves on Ellesmere Island that were habituated to my presence. The breeding male tended to initiate activities associated with foraging and travel, and the breeding female to initiate, and predominate in, pup care and protection. However, there was considerable overlap and interaction during these activities such that leadership could be considered a joint function. In packs with multiple breeders, quantitative information about leadership is needed. |
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Equine Behaviour @ team @ |
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4688 |
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Author |
Grogan, E.H.; McDonnell, S.M. |
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Title |
Mare and Foal Bonding and Problems |
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Journal Article |
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Year |
2005 |
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Clinical Techniques in Equine Practice |
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4 |
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3 |
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228-237 |
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Equine; bonding; behavior; mare; neonatal; foal; inadequate maternal behavior; orphan foal; nurse or foster mare |
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A number of specific behavioral responses have been identified in mares and foals as the presumed behavioral interactive sequences supporting bonding. With the exception of the severely physically compromised foal, most failures of the mare foal bond appear to result from inadequate behavior of the mare. Six distinct forms of maternal behavior problems include ambivalence of the mare toward her foal, fear of the foal, nursing only avoidance of the foal, extreme protectiveness of the foal that becomes problematic in domestic confinement, savage attack (true rejection), and stealing or adoption of an alien foal. Management of maternal behavior problem cases in which the pair cannot be salvaged include foster (or nurse mares) and hand-rearing methods. Also presented are current practical resources related to managing certain types of inadequate maternal behavior and for rearing the orphaned foal. |
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Equine Behaviour @ team @ |
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4671 |
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Author |
Howard, R.W.; Blomquist, G.J. |
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Title |
Ecological, behavioral, and biochemical aspects of insect hydrocarbons |
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Journal Article |
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Year |
2005 |
Publication |
Annual Review of Entomology |
Abbreviated Journal |
Annu Rev Entomol |
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50 |
Issue |
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Pages |
371-393 |
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Keywords |
Animals; Behavior, Animal/physiology; Hydrocarbons/*metabolism; Insects/*physiology; Pheromones/*physiology; Reproduction; Species Specificity |
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Abstract |
This review covers selected literature from 1982 to the present on some of the ecological, behavioral, and biochemical aspects of hydrocarbon use by insects and other arthropods. Major ecological and behavioral topics are species- and gender-recognition, nestmate recognition, task-specific cues, dominance and fertility cues, chemical mimicry, and primer pheromones. Major biochemical topics include chain length regulation, mechanism of hydrocarbon formation, timing of hydrocarbon synthesis and transport, and biosynthesis of volatile hydrocarbon pheromones of Lepidoptera and Coleoptera. In addition, a section is devoted to future research needs in this rapidly growing area of science. |
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USDA-ARS, Manhattan, Kansas 66502, USA. howardks@ksu.edu |
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0066-4170 |
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PMID:15355247 |
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Equine Behaviour @ team @ |
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4650 |
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Author |
Kaseda, Y.; Ogawa, H.; Khalil, A.M. |
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Title |
Causes of natal dispersal and emigration and their effects on harem formation in Misaki feral horses |
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Journal Article |
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Year |
1997 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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29 |
Issue |
4 |
Pages |
262-266 |
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Age Factors; Animal Migration; Animals; Animals, Wild; *Behavior, Animal/physiology; Female; Horses/*physiology/psychology; Male; Reproduction; Seasons; Sexual Behavior, Animal; *Social Behavior |
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Abstract |
Misaki feral horses were separated into 2 herds and the difference between dispersal from natal group (natal dispersal) and dispersal from natal area (natal emigration) was studied. The causes of dispersal and emigration and their effects on harem formation were studied 1979-1994. The number of horses ranged from 73 (mature males: 8, mature females: 26, young males: 8, young females: 3, colt foals: 6, filly foals: 10 and geldings: 12) in 1979 and 86 (mature males: 14, mature females: 37, young males: 12, young females: 7, colt foals: 5, filly foals: 7 and geldings: 4) in 1994 when the present study ended. All 29 males which survived to age 4 years and 58 females which survived to age 3 years left their natal or mother groups at age one to 3. Seventeen of 22 dispersing males and 29 of 39 dispersing females left their natal groups around the birth of their siblings and significant correlations were found between natal dispersal and birth of a sibling. The number of emigrating young males correlated negatively and significantly with the total number of young males in another herd and the number of emigrating young females correlated positively and significantly with the total number of young females in the natal herd. All 13 emigrating stallions which survived to age 5 years formed stable harem groups and a significant correlation was found between natal emigration and harem formation. Twenty-three of 35 resident mares formed stable consort relations with harem stallions and a significant correlation was found between residence and formation of stable consort relations. |
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Faculty of Agriculture, Miyazaki University, Miyazaki-shi, 889-21, Japan |
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0425-1644 |
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PMID:15338905 |
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Equine Behaviour @ team @ |
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4630 |
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