| Records |
| Author |
Baer, K.L.; Potter, G.D.; Friend, T.H.; Beaver, B.V. |
| Title |
Observation effects on learning in horses |
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Journal Article |
| Year |
1983 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
| Volume |
11 |
Issue |
2 |
Pages |
123-129 |
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| Abstract |
Sixteen horses, divided into 2 groups of 8, were used to study observational learning in horses. One group served as controls while the other group served as the treated group (observers). Observers were allowed to watch a correctly performed discrimination task for 5 days prior to testing their learning response using the same task. Discrimination testing was conducted on all horses daily for 14 days, with criterion set at 7 out of 8 responses correct with the last 5 consecutively correct. The maximum number of trials performed without reaching criterion was limited to 20 per day. Mean trials to criteria (MT) by group were: control, 11.25; observer, 10.70. Mean error (ME) scores were: control, 2.37; observer, 2.02. Average initial discrimination error scores were 11.13 for control and 10.38 for observers (P < 0.10). Asymptote was reached by Day 8 for both control and observer groups. Analysis of variance with repeated measures showed an extreme-day effect indicative of learning (P < 0.01), with non-significant differences in learning rate between experimental groups. Whether the initial ability of the horses to perform a discrimination learning task was enhanced by observation of other horses' performance of that task was not obvious from these data. |
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726 |
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Shi, J.; Dunbar, R. |
| Title |
Feeding competition within a feral goat population on the Isle of Rum, NW Scotland |
Type |
Journal Article |
| Year |
2006 |
Publication |
Journal of Ethology |
Abbreviated Journal |
J. Ethol. |
| Volume |
24 |
Issue |
2 |
Pages |
117-124 |
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This study investigated feeding competition within and between different age-sex classes of feral goats (Capra hircus) on the Isle of Rum (northwest Scotland) from August to November 2000 (inclusive). Although contests in a feeding context were common, most were relatively passive: little overt agonistic behaviour was observed between opponents and the distance between feeding animals involved did not change significantly after an interaction. Month (but not sex or habitat type) had a significant effect on feeding interaction rates, and the proportion of interactions involving more intense forms of conflict was highest in November when forage availability was beginning to decline. The results show that the initiator won most feeding encounters, with adult males being dominant over females. The ability to win conflicts increased with age for both males and females. However, it decreased sharply for adult males older than 5 years, which may, in part, explain the reduced overwinter survival of these individuals. |
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805 |
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Carson, K.; Wood-Gush, D.G.M. |
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Equine behaviour: II. A review of the literature on feeding, eliminative and resting behaviour |
Type |
Journal Article |
| Year |
1983 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
| Volume |
10 |
Issue |
3 |
Pages |
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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1990 |
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Hampton, R.R. |
| Title |
Animal Minds: Beyond Cognition to Consciousness |
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Journal Article |
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2001 |
Publication |
Ethology |
Abbreviated Journal |
Ethology |
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107 |
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1055-1056 |
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3487 |
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