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Singh,M.; Singh,M.; Sharma, A. K.; Krishna B. A. |
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Title |
Methodological considerations in measurement of dominance in primates |
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Year |
2003 |
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CURRENT SCIENCE |
Abbreviated Journal |
CURRENT SCIENCE |
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84 |
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5 |
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709-713 |
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The strength of dominance hierarchy in a group of
animals needs to be quantitatively measured since it
influences many other aspects of social interactions.
This article discusses three attempts made by previous
researchers to measure the strength of hierarchy. We
propose a method which attempts to rectify the lacunae
in the previous attempts. Data are used from a
group of Japanese macaques housed in a colony. A
method to calculate strength of hierarchy has been
illustrated and a procedure has been suggested to
normalize the dominance scores in order to place the
ranks of individuals on an interval scale. |
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Biopsychology Laboratory, Department of Psychology, University of Mysore, Mysore 570 006, India |
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Equine Behaviour @ team @ |
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2860 |
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Author |
Sighieri, C.; Tedeschi, D.; De Andreis, C.; Petri, L.; Baragli, P. |
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Title |
Behaviour patterns of horses can be used to establish a dominantsubordinate relationship between man and horse |
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2003 |
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Animal Welfare |
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12 |
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705-708 |
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ANIMAL WELFARE; BEHAVIOUR PATTERNS; DOMINANCE; UNHANDLED HORSE |
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This paper describes how man can enter the social hierarchy of the horse by mimicking the behaviour and stance it uses to establish dominance. A herd is organised according to a dominance hierarchy established by means of ritualised conflict. Dominance relationships are formed through these confrontations: one horse gains the dominant role and others identify themselves as subordinates. This study was conducted using five females of the Haflinger breed, totally unaccustomed to human contact, from a free-range breeding farm. The study methods were based on the three elements fundamental to the equilibrium of the herd: flight, herd instinct and hierarchy. The trainer-horse relationship was established in three phases: retreat, approach and association. At the end of the training sessions, all of the horses were able to respond correctly to the trainer. These observations suggest that it is possible to manage unhandled horses without coercion by mimicking their behaviour patterns. |
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Equine Behaviour @ team @ |
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4089 |
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Sighieri, C.; Tedeschi, D.; De Andreis, C.; Petri, L.; Baragli, P. |
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Title |
Behaviour Patterns of Horses Can be Used to Establish a Dominant-Subordinate Relationship Between Man and Horse |
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Journal Article |
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2003 |
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Animal Welfare |
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12 |
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4 |
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705-708 |
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animal welfare; behaviour patterns; dominance; unhandled horse |
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Abstract |
This paper describes how man can enter the social hierarchy of the horse by mimicking the behaviour and stance it uses to establish dominance. A herd is organised according to a dominance hierarchy established by means of ritualised conflict. Dominance relationships are formed through these confrontations: one horse gains the dominant role and others identify themselves as subordinates. This study was conducted using five females of the Haflinger breed, totally unaccustomed to human contact, from a free-range breeding farm. The study methods were based on the three elements fundamental to the equilibrium of the herd: flight, herd instinct and hierarchy. The trainer-horse relationship was established in three phases: retreat, approach and association. At the end of the training sessions, all of the horses were able to respond correctly to the trainer. These observations suggest that it is possible to manage unhandled horses without coercion by mimicking their behaviour patterns. |
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Cambridge University Press |
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2023/01/11 |
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0962-7286 |
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Equine Behaviour @ team @ |
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6713 |
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Spadavecchia, C.; Arendt-Nielsen, L.; Andersen, O.K.; Spadavecchia, L.; Doherr, M.; Schatzmann, U. |
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Title |
Comparison of nociceptive withdrawal reflexes and recruitment curves between the forelimbs and hind limbs in conscious horses |
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Journal Article |
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Year |
2003 |
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American journal of veterinary research |
Abbreviated Journal |
Am J Vet Res |
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64 |
Issue |
6 |
Pages |
700-707 |
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Keywords |
Animals; Consciousness; Female; Forelimb/*physiology; Hindlimb/*physiology; Horses/*physiology; Male; Nociceptors/physiology; Pain/*physiopathology/*veterinary; Pain Threshold/physiology; Recruitment, Neurophysiological/physiology; Reflex/*physiology |
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OBJECTIVE: To compare nociceptive withdrawal reflexes (NWRs) evoked from the distal aspect of the left forelimb and hind limb in conscious standing horses and to investigate NWR recruitment for graded electrical stimulation intensities. ANIMALS: 20 adult horses. PROCEDURE: Surface electromyographic (EMG) activity evoked by transcutaneous electrical stimulation of the digital palmar (or plantar) nerve was recorded from the common digital extensor and cranial tibial muscles. Stimuli consisted of 25-millisecond train-of-5 constant current pulses. Current intensity was gradually increased until NWR threshold intensity was reached. The EMG signal was analyzed for quantification of the NWR. Behavioral responses accompanying the reflex were scored (scale, 0 to 5). The NWR recruitment curves were determined at 0.9, 1.1, 1.2, and 1.3 times the NWR threshold intensity. RESULTS: The NWR threshold was significantly higher for the hind limb (median value, 6.6 mA; range, 3 to 10 mA) than the forelimb (median, 3 mA; range, 1.7 to 5.5 mA). The NWR of the hind limb had a significantly longer latency (median, 122.8 milliseconds; range, 106 to 172 milliseconds), compared with the forelimb (median, 98 milliseconds; range, 86 to 137 milliseconds), and it was associated with significantly stronger behavioral reactions. Gradual increase of NWR amplitude was evident at increasing stimulation intensities and supported by the behavioral observations. CONCLUSIONS AND CLINICAL RELEVANCE: We documented NWRs evoked from the forelimb and hind limb and their recruitment with stimuli of increasing intensity in horses. These results provide a basis for use of NWRs in studies on nociceptive modulation in horses. |
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Department of Clinical Veterinary Sciences, University of Berne, Switzerland |
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0002-9645 |
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PMID:12828255 |
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refbase @ user @ |
Serial |
93 |
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Gammell, M.P.; de Vries, H.; Jennings, D.J.; Carlin, C.M.; Hayden, T.J. |
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Title |
David's score: a more appropriate dominance ranking method than Clutton-Brock et al.'s index |
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Journal Article |
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Year |
2003 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
66 |
Issue |
3 |
Pages |
601-605 |
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refbase @ user @ |
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453 |
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Pongrácz, P.; Miklósi, Á.; Kubinyi, E.; Topál, J.; Csányi, V. |
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Title |
Interaction between individual experience and social learning in dogs |
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Journal Article |
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Year |
2003 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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65 |
Issue |
3 |
Pages |
595-603 |
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We investigated the interaction between individual experience and social learning in domestic dogs,Canis familiaris . We conducted two experiments using detour tests, where an object or food was placed behind a transparent, V-shaped wire-mesh fence, such that the dogs could get the reward by going around the fence. In some groups, two open doors were offered as an alternative, easier way to reach the reward. In experiment 1 we opened the doors only in trial 1, then closed them for trials 2 and 3. In experiment 2 other dogs were first taught to detour the fence with closed doors after they had observed a detouring human demonstrator, then we opened the doors for three subsequent trials. In experiment 1 all dogs reached the reward by going through the doors in trial 1, but their detouring performance was poor after the doors had been closed, if they had to solve the task on their own. However, dogs in the experimental group that were allowed to watch a detouring human demonstrator after the doors had been closed showed improved detouring ability compared with those that did not receive a demonstration of detouring. In experiment 2 the dogs tended to keep on detouring along the fence even if the doors had been opened, giving up a chance to get behind the fence by a shorter route. These results show that dogs can use information gained by observing a human demonstrator to overcome their own mistakenly preferred solution in a problem situation. In a reversed situation social learning can also contribute to a preference for a less adaptive behaviour. However, only repeated individual and social experience leads to a durable manifestation of maladaptive behaviour. Copyright 2003 Published by Elsevier Science Ltd on behalf of The Association for the Study of Animal Behaviour. |
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refbase @ user @ |
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565 |
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Author |
Fazio, F.; Assenza, A.; Piccione, G.; Caola, G. |
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Title |
Periodic Monitoring of Some Physiological Parameters during Training in the Athletic Horse |
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2003 |
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Veterinary Research Communications |
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27 |
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595-598 |
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Equine Behaviour @ team @ |
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4384 |
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Pinchbeck, G.L.; Clegg, P.D.; Proudman, C.J.; Morgan, K.L.; French, N.P. |
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Case-control study to investigate risk factors for horse falls in hurdle racing in England and Wales |
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2003 |
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The Veterinary Record |
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Vet. Rec. |
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152 |
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19 |
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583-587 |
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Accidental Falls/*statistics & numerical data; Animals; Athletic Injuries/epidemiology/etiology/*veterinary; Case-Control Studies; England/epidemiology; Horses/*injuries; Risk Factors; Running/injuries; Wales/epidemiology |
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Between March 1, 2000 and August 31, 2001, a case-control study was conducted on 12 racecourses in England and Wales to identify and quantify the risk factors associated with horse falls in hurdle races. The cases and controls were defined so that variables relating to the horse, the jockey, the race and racecourse, and the jump could be considered. The cases were defined as a jumping effort at a hurdle flight that resulted in a fall, and the controls were defined as a successful jump over a hurdle at any of the 12 racecourses within 14 days before or after the case fall. Conditional logistic regression was used to examine the univariable and multivariable relationships between the predictor variables and the risk of falling. The risk of falling was significantly associated with the position of the jump in the race, and with the distance and speed of the race. A horse's previous racing experience and history were also significantly associated with the risk of falling and horses participating in their first hurdle race were at almost five times greater risk of falling than horses that had hurdled before. |
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Epidemiology Group, Department of Veterinary Clinical Science and Animal Husbandry, University of Liverpool, Leahurst, Neston CH64 7TE |
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0042-4900 |
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PMID:12762486 |
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Equine Behaviour @ team @ |
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3782 |
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Sluyter F.; Arseneault L.; Moffitt T.E.; Veenema A.H.; de Boer S.; Koolhaas J.M. |
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Toward an Animal Model for Antisocial Behavior: Parallels Between Mice and Humans: Aggression |
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2003 |
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Behavior Genetics |
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33 |
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563-574 |
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3497 |
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Day, R.L.; Coe, R.L.; Kendal, J.R.; Laland, K.N. |
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Neophilia, innovation and social learning: a study of intergeneric differences in callitrichid monkeys |
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2003 |
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Animal Behaviour |
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Anim. Behav. |
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65 |
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3 |
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559-571 |
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In a comparative study of neophilia, innovation and social attentiveness we exposed individuals in seven callitrichid species, from three genera, to novel extractive foraging tasks. The results revealed consistently shorter response latencies, higher levels of successful and unsuccessful manipulation, and greater attentiveness to the task and to conspecifics inLeontopithecus (lion tamarins) than in both Saguinus (tamarins) and Callithrix (marmosets). This is consistent with the hypothesis that species dependent upon manipulative and explorative foraging tend to be less neophobic and more innovative than other species. Furthermore, Callithrix appeared to be less neophobic than Saguinus; ifCallithrix is regarded as the greater specialist, this result is inconsistent with the hypothesis that neophobia is associated with foraging specialization. We consider the relevance of our findings to taxonomic relationships, and to technical and Machiavellian intelligence hypotheses and discuss the implications for captive breeding and reintroduction strategies.Copyright 2003 Published by Elsevier Science Ltd on behalf of The Association for the Study of Animal Behaviour. |
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0003-3472 |
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Equine Behaviour @ team @ |
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6035 |
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