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Author |
Mednikov Bm, G.J. |
Title |
Zur systematischen Stellung des Kulans |
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from Professor Hans Klingels Equine Reference List |
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1384 |
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Montgomery, G.G. |
Title |
Some aspects of the sociality of the domestic horse |
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Year |
1957 |
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Transactions Kansas Acad Sci |
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60 |
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419-424 |
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from Professor Hans Klingels Equine Reference List |
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1410 |
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Author |
Bonabeau, E.; Theraulaz, G.; Deneubourg, J-L. |
Title |
Dominance orders in animal societies: the selforganization |
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Journal Article |
Year |
1999 |
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Bulletin of Mathematical Biology |
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Bull Math Biol |
Volume |
61 |
Issue |
4 |
Pages |
727-757 |
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In previous papers (Theraulaz et al. 1995, Bonabeau et al. 1996) we suggested, following Hogeweg and Hesper (1983, 1985), that the formation of dominance orders in animal societies could result from a selforganizing process involving a double reinforcement mechanism: winners reinforce their probability of winning and losers reinforce their probability of losing. This assumption, and subsequent models, were based on empirical data on primitively eusocial wasps (Polistes dominulus). By... |
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Equine Behaviour @ team @ |
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2172 |
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Author |
Wiesner, J.; V. Hegel, G. |
Title |
Zur Immobilisation von Wildequiden mit STH 2130 und Tiletamin/Zolazepam |
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Journal Article |
Year |
1990 |
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Tierärtzliche Praxis |
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Tierärzl Prax |
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18 |
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151-154 |
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from Professor Hans Klingels Equine Reference List |
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yes |
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1707 |
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Galef, B. G. JR; White, D.J. |
Title |
Mate-choice copying in Japanese quail, Coturnix coturnix japonica |
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Journal Article |
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1998 |
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Animal Behaviour. |
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Anim. Behav. |
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55 |
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3 |
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545-552 |
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1814 |
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Author |
Carson, K.; Wood-Gush, D.G.M. |
Title |
Equine behaviour: II. A review of the literature on feeding, eliminative and resting behaviour |
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Journal Article |
Year |
1983 |
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Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
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10 |
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3 |
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179-190 |
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The literature on the feeding, eliminative and resting behaviour of horses has been reviewed to collate the information available on these subjects. The grazing and eliminative behaviour patterns of domestic horses are unlike those of free-ranging Equidae. The reasons for this are not known, but it can cause wasted grazing of up to 90% of a field. Certain conditions, such as provision of supplementary hay and lack of available herbage, can cause these behaviour patterns to change, although it is not known how to manipulate the grazing behaviour of horses to prevent deterioration of the pasture. Grazing behaviour is influenced by many variables and is more complex than the feeding behaviour of a stabled horse. Horses sleep for approximately 12% of the day and show 4 different sleep/wakefulness states -- alert wakefulness, drowsiness, slow-wave sleep and paradoxical sleep. Horses are able to maintain slow-wave sleep while standing, but they need to lie down for paradoxical sleep to occur, rarely spending more than 30 consecutive minutes in lateral recumbency. |
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refbase @ user @ |
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1990 |
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Lloyd, A.S.; Martin, J.E.; Bornett-Gauci, H.L.I.; Wilkinson, R.G. |
Title |
Evaluation of a novel method of horse personality assessment: Rater-agreement and links to behaviour |
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Journal Article |
Year |
2007 |
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Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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105 |
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1-3 |
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205-222 |
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Personality; Horse; Individual differences; Behaviour; Reliability |
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The efficacy of questionnaire-based personality assessment has been shown in a variety of animal and human personality studies. There has been a recent increase in questionnaire-based studies focussing on equine personality but with a lack of comparability to studies on other species. The aim of this study was to test the reliability of an assessment method originally developed for primates and demonstrate reliability using three criteria (1) assessments by independent observers must agree with one another, (2) these assessments must predict behaviours and real-world outcomes and (3) observer ratings must be shown to reflect genuine attributes of the individuals rated, not merely the observer's implicit personality theories about how traits co-vary. The personality of 61 horses (Equus caballus) was assessed using a questionnaire constructed of 30 behaviourally defined adjectives (BDAs). Horses were each assessed by three judges, in addition to a total of 2 h behaviour observations recorded per horse. Rater agreement was demonstrated for 72.1% of the horses and 25 of the BDAs. Principal component analysis was carried out on the rating data and revealed six underlying personality components that were labelled “dominance”, “anxiousness”, “excitability”, “protection”, “sociability” and “inquisitiveness”. Component scores for horses were correlated against behavioural observations for the same horses and revealed significant correlations with 20 of the recorded behaviour variables. Correlations between specific components and their associated behaviours were logical and consistent with the types of behaviours that would be expected to be linked with such personality types. The data were shown to meet all three criteria and provided strong evidence that the assessment method was reliably measuring horse personality. |
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refbase @ user @ |
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1981 |
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Visser, E.K.; van Reenen, C.G.; Schilder, M.B.H.; Barneveld, A.; Blokhuis, H.J. |
Title |
Learning performances in young horses using two different learning tests |
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Journal Article |
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2003 |
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Applied Animal Behaviour Science |
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Appl. Anim. Behav. Sci. |
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80 |
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311-326 |
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Horse; Personality; Learning performance; Consistency; Emotionality |
Abstract |
To achieve optimal performance in equine sports as well as in leisure not only the physical abilities of the horse should be considered, but also the horse's personality. Besides temperamental aspects, like emotionality, or the horse's reactivity towards humans in handling situations, the learning ability of the horse is another relevant personality trait. To study whether differences in learning performance are consistent over time and whether individual learning performance differs between learning tests or is affected by emotionality, 39 young horses (Dutch Warmblood) were tested repeatedly in two learning tests. An aversive stimulus (AS) was used in one learning test (the avoidance learning test) and a reward was used in the other learning test (the reward learning test). During both learning tests behaviour as well as heart rate were measured. Each test was executed four times, twice when horses were 1 year of age, and twice when they were 2 years of age. Half of the horses received additional physical training from 6 months onwards. In both tests horses could be classified as either performers, i.e. completing the daily session, or as non-performers, i.e. returning to the home environment without having completed the daily session. There were some indications that emotionality might have caused non-performing behaviour, but these indications are not convincing enough to exclude other causes. Furthermore, there seem to be no simple relationships between measures of heart rate, behavioural responses putatively related to emotionality and learning performance. Horses revealed consistent individual learning performances within years in both tests, and in the avoidance learning test also between years. There was no significant correlation between learning performances in the avoidance learning test and the learning performances in the reward learning test. It is concluded that individual learning abilities are consistent over a short time interval for an avoidance learning test and a reward learning test and over a longer time for the avoidance learning test. Furthermore, results indicate that some horses perform better when they have to learn to avoid an aversive stimulus while others perform better when they are rewarded after a correct response. It is suggested that these differences may be relevant to design optimal individual training programmes and methods. |
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refbase @ user @ |
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2009 |
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Author |
Tanoff, G.F.; Barlow, C.B. |
Title |
Leadership and Followership: Same Animal, Different Spots? |
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Journal Article |
Year |
2002 |
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Consulting Psychology Journal: Practice and Research |
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Consult Psychol J Pract Res |
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54 |
Issue |
3 |
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157-165 |
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This study examined the relationship between the constructs of leadership, as operationalized through the Leadership Personality Survey (LPS; G.J. Curphy, 1998), and followership, as op-era-tion-al-iz-ed by the Power of Followership Survey (PFS; R.E. Kelley, 1992). The LPS is based on the 5-factor model of personality that is widely regarded as the premier model for understanding trait personality dimensions (R.R. McCrae & O.P. John, 1992). The PFS is based on R.E. Kelley's (1992) model of followership styles. Data were collected from 130 students at a military college as part of their involvement in an academic course on leadership. Correlational analyses revealed numerous significant positive relationships between these 2 constructs. Regression modeling provided insight into the relations of personality dimensions and followership. Limitations to this study and implications of these findings as well as future research directions are discussed. |
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2030 |
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Lynch, J.J.; Hinch, G.N.; Bouissou, M.F.; Elwin, R.L.; Green, G.C.; Davies, H.I. |
Title |
Social organization in young Merino and Merino x Border Leicester ewes |
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Journal Article |
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1989 |
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Applied Animal Behaviour Science |
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Appl. Anim. Behav. Sci. |
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22 |
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1 |
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49-63 |
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The social behaviour of two groups of Merino ewes and one group of Merino x Border Leicester ewes was studied. Each group comprised eight sheep, 15 months of age and, within each group, the animals were of similar liveweight. Dominance rankings were established at each test, but there was little consistency in ewe rank over time. Similarly, little consistency was found in ewe ranking for movement order between pens, and for exploratory and fear test rankings. However, with tests on movement orders, some consistency in the sheep which ranked first was shown. In the field, no aggression was seen while sheep were grazing and there were no occasions when ranking related to movement could be observed. There were short-term associations between pairs of sheep, but these occurred in less than half the individuals. Although the spatial distribution was not studied, the lack of long-term association between pairs would suggest that strong spatial preference does not occur. It is concluded that the social organization of single-age Merino and Merino x Border Leicester ewes is not based on dominance or leadership ranking nor on long-term associations between individuals. |
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Equine Behaviour @ team @ room B 3.029 |
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2036 |
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