| Records |
| Author |
Francis-Smith, K.; Wood-Gush, D.G.M. |
| Title |
Copropgagia as seen in thoroughbred foals |
Type |
Journal Article |
| Year |
1977 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
9 |
Issue |
3 |
Pages |
155-157 |
| Keywords |
animal; article; coprophagy; defecation; eating; female; horse; horse disease; human; mastication |
| Abstract |
Four Thoroughbred foals were seen to quickly eat part of the faeces deposited by their own dams on some 40 per cent of the mare-defaecating occasions observed between the second and fifth week after birth. They did not do it before or after this period. This behaviour was thought to be a feeding pattern which formed a normal part of the foal's development. |
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| Notes |
from Professor Hans Klingels Equine Reference List |
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no |
| Call Number |
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Serial |
1090 |
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| Author |
Imesh Gd, S.G. |
| Title |
Gross and microscopic observations of ovarian abnormalities from five Burchell's zebra |
Type |
Journal Article |
| Year |
1975 |
Publication |
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Abbreviated Journal |
Onderstepoort J vet Res |
| Volume |
42 |
Issue |
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Pages |
109-116 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1213 |
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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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no |
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1384 |
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| Author |
Montgomery, G.G. |
| Title |
Some aspects of the sociality of the domestic horse |
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Journal Article |
| Year |
1957 |
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Abbreviated Journal |
Transactions Kansas Acad Sci |
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60 |
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Pages |
419-424 |
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from Professor Hans Klingels Equine Reference List |
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no |
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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 |
Publication |
Bulletin of Mathematical Biology |
Abbreviated Journal |
Bull Math Biol |
| Volume |
61 |
Issue |
4 |
Pages |
727-757 |
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| Abstract |
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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no |
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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 |
Type |
Journal Article |
| Year |
1990 |
Publication |
Tierärtzliche Praxis |
Abbreviated Journal |
Tierärzl Prax |
| Volume |
18 |
Issue |
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Pages |
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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| Author |
Heyes, C.M.; Dawson, G.R. |
| Title |
A demonstration of observational learning in rats using a bidirectional control |
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Journal Article |
| Year |
1990 |
Publication |
Quarterly Journal of Experimental Psychology Section B: Comparative and Physiological Psychology |
Abbreviated Journal |
Q J Exp Psychol B |
| Volume |
42 |
Issue |
1 |
Pages |
59-71 |
| Keywords |
appetite; attention; imitation; problem solving; psychomotor performance; Appetitive Behavior; Attention; Imitative Behavior; Problem Solving; Psychomotor Performance |
| Abstract |
Hungry rats observed a conspecific demonstrator pushing a single manipulandum, a joystick, to the right or to the left for food reward and were then allowed access to the joystick from a different orientation. The effects of right-pushing vs left-pushing observation experience on (1) response acquisition, (2) reversal of a left-right discrimination, and (3) responding in extinction, were examined. Rats that had observed left-pushing made more left responses during acquisition than rats that had observed right-pushing, and rats that had observed demonstrators pushing in the direction that had previously been reinforced took longer to reach criterion reversal and made more responses in extinction than rats that had observed demonstrators pushing in the opposite direction to that previously reinforced. These results provide evidence that rats are capable of learning a response, or a response-reinforcer contingency, through conspecific observation. |
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University of Cambridge, U.K. |
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02724995 (Issn) |
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Cited By (since 1996): 49; Export Date: 17 May 2007; Source: Scopus; Language of Original Document: English; Correspondence Address: Heyes, C.M. |
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1766 |
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| Author |
Galef, B. G. JR; White, D.J. |
| Title |
Mate-choice copying in Japanese quail, Coturnix coturnix japonica |
Type |
Journal Article |
| Year |
1998 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
| Volume |
55 |
Issue |
3 |
Pages |
545-552 |
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no |
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1814 |
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| Author |
Dugatkin, L.A.; Godin, J.G. |
| Title |
Reversal of female mate choice by copying in the guppy (Poecilia reticulata) |
Type |
Journal Article |
| Year |
1992 |
Publication |
Proceedings. Biological sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
| Volume |
249 |
Issue |
1325 |
Pages |
179-184 |
| Keywords |
Acclimatization; Animals; *Choice Behavior; Female; Male; Poecilia; *Sexual Behavior, Animal |
| Abstract |
Ever since Fisher (1958) formalized models of sexual selection, female mate choice has been assumed to be a genetically determined trait. Females, however, may also use social cues to select mates. One such cue might be the mate choice of conspecifics. Here we report the first direct evidence that a female's preference for a particular male can in fact be reversed by social cues. In our experiments using the Trinidadian guppy (Poecilia reticulata), this reversal was mediated by mate-copying opportunities, such that a female (the 'focal' female) is given the opportunity to choose between two males, followed by a period in which she observes a second female (the 'model' female) displaying a preference for the male she herself did not prefer initially. When allowed to choose between the same males a second time, compared with control tests, a significant proportion of focal females reversed their mate choice and copied the preference of the model female. These results provide strong evidence for the role of non-genetic factors in sexual selection and underlie the need for new models of sexual selection that explicitly incorporate both genetic and cultural aspects of mate choice. |
| Address |
Department of Biology, Mount Allison University, Sackville, New Brunswick, Canada |
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English |
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0962-8452 |
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PMID:1360679 |
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no |
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1824 |
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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 |
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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| Abstract |
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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no |
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refbase @ user @ |
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1990 |
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