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	Author	Hedman, J.
	Title	Heart rate response towards fear-eliciting stimuli in horses			Type	Manuscript
	Year	2003	Publication	Sveriges lantbruksuniversitetSveriges lantbruksuniversitet Veterinärprogrammet	Abbreviated Journal
	Volume	2004	Issue	40	Pages
	Keywords	horse, fear, heart-rate, novel stimuli
	Abstract	Finding the right horse for each rider is a difficult task as it is just as important that the temperament of the horse fits the rider as it is that the horse is of the right size. Even though it is a commonly experienced problem, no objective method of easily measuring the horse“s temperament has yet been developed. If it is possible to test horses and get an objective measure of how reactive (emotional) they are, it could be a big help in finding the right horse for each rider. It would be desirable to have a way of testing the horse”s reaction in an unfamiliar (and potentially frightening) situation. In practice this test should be just as easy as it is getting a judgement of its conformation and gaits. The aim of the present study was to measure individual variation in HR response to different novel objects in horses of the same age, breed and reared in the same environment. We wanted to see whether certain horses (i.e. more emotional horses) react more to novel stimuli, in general, than other horses (i.e. less emotional), irrespective of the type of stimulus. We also wanted to see if different novel stimuli elicited different responses within individuals. The hypothesis was that individuals will react in a similar way to various stimuli. Twenty four Danish warmblood horses were included in this study. All horses were 2 year-old stallions, reared under similar environmental conditions. They had received a minimum of handling prior to the experimental period. Three different stimuli were used. They were chosen because they were novel to the horses and would elicit measurable fear-reactions in all horses, but not so much that the horses did not approach the feed within the duration of the test. The visual stimulus consisted of a 1meter high orange traffic cone with reflex stripes, placed 1 m in front of the tub, the olfactory stimulus was eucalyptus oil and the auditory stimulus was a radio tuned to white noise. The control was an empty arena. The result was that only the HR response to the auditory and visual stimuli differed significantly from the control days. The olfactory stimulus did not seem to alarm the horses the way the other stimuli did. We found a tendency towards a correlation in reaction between the olfactory and auditory stimuli and between the auditory and visual stimuli within individuals. These results indicate that horses do not generalize completely in their reaction between different stimuli.
	Address
	Corporate Author				Thesis	Bachelor's thesis
	Publisher		Place of Publication	Dept. of Animal Environment and Health, SLU. Examensarbete / Sveriges lantbruksuniversitet, Veterinä	Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1650-7045	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4652
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	Author	Seyfarth, R.M.; Cheney, D.L.
	Title	The Structure of Social Knowledge in Monkeys			Type	Book Chapter
	Year	2003	Publication	Animal Social Complexity: Intelligence, Culture, and Individualized Societies	Abbreviated Journal
	Volume		Issue		Pages
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	Harvard University Press	Place of Publication	Cambridge, Massachusetts	Editor	F. B. M. de Waal; P. L. Tyack
	Language	English	Summary Language		Original Title	Animal Social Complexity: Intelligence, Culture, and Individualized Societies
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN	978-0674009295	Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	464
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	Author	de Waal, F. B.; Tyack, P., (eds)
	Title	Animal Social Complexity: Intelligence, Culture, and Individualized Societies			Type	Book Whole
	Year	2003	Publication		Abbreviated Journal
	Volume		Issue		Pages
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	Harvard University Press	Place of Publication	Cambridge, Massachusetts	Editor	de Waal, F. B.; Tyack, P.,
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4096
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	Author	Bekoff,M; Allen, C; Burghardt, G. M.
	Title	The cognitive animal: Empirical and theoretical perspectives on animal cognition			Type	Journal Article
	Year	2003	Publication	Computers and Mathematics with Applications	Abbreviated Journal
	Volume	46	Issue		Pages	508-509
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	The MIT Press	Place of Publication	Cambridge, MA.	Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	3496
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	Author	Lefebvre, L.; Bouchard, J.
	Title	Social learning about food in birds			Type	Book Chapter
	Year	2003	Publication	The Biology of Traditions	Abbreviated Journal
	Volume		Issue		Pages	94-126
	Keywords
	Abstract
	Address
	Corporate Author				Thesis
	Publisher	Cambridge University Press	Place of Publication	Cambridge	Editor	Fragaszy, D.M; Perry, S.
	Language	Englisch	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN	978-0521815970	Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	5471
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	Author	de Waal, F.B.M.
	Title	Animal communication: panel discussion			Type	Journal Article
	Year	2003	Publication	Annals of the New York Academy of Sciences	Abbreviated Journal	Ann N Y Acad Sci
	Volume	1000	Issue		Pages	79-87
	Keywords	Acoustics; Affect; *Animal Communication; Animals
	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0077-8923	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:14766621			Approved	no
	Call Number	refbase @ user @			Serial	176
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	Author	de Waal, F.B.M.
	Title	Silent invasion: Imanishi's primatology and cultural bias in science			Type	Journal Article
	Year	2003	Publication	Animal cognition	Abbreviated Journal	Anim. Cogn.
	Volume	6	Issue	4	Pages	293-299
	Keywords	Animals; Behavior, Animal; Culture; Ecosystem; History, 20th Century; Philosophy; Portraits; Prejudice; Primates/psychology; Psychology, Comparative/*history; Research Design/trends
	Abstract
	Address	Living Links, Yerkes Primate Center, Emory University, Atlanta, GA 30322, USA. dewaal@emory.edu
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	1435-9448	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:14551801			Approved	no
	Call Number	refbase @ user @			Serial	178
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	Author	Sondergaard, E.; Halekoh, U.
	Title	Young horses' reactions to humans in relation to handling and social environment			Type	Journal Article
	Year	2003	Publication	Applied Animal Behaviour Science	Abbreviated Journal	Appl. Anim. Behav. Sci.
	Volume	84	Issue	4	Pages	265-280
	Keywords	Horses; Human-animal relationship; Social environment; Handling
	Abstract	Forty Danish warmblood colts in two replicates were used to investigate the effect of housing and handling in the rearing period on the reactions to humans. The horses entered the experiment after weaning and were housed either individually (n=16) or in groups of three (n=24). Half of the horses from each housing group were handled three times per week for a period of 10 min. Approach tests were performed in the home environment when the horses were 6, 9, 12, 18, 21, and 24 months old, and an Arena and Human Encounter test was performed in a novel environment when the horses were 12 and 24 months old, respectively. In the home environment, single-housed horses approached sooner and were more easily approached by a human than group-housed horses where no effect of handling was observed. Horses approached sooner and were more easily approached with increasing age. In the Arena and Human Encounter test, single-housed horses expressed less restless behaviour, more explorative behaviour, and less vocalisation than group-housed horses. Handled horses showed lower increase in heart rate during the test than non-handled horses. There was no difference between the number of times single or group-housed horses touched an unfamiliar person in the Arena and Human Encounter test but handled horses approached sooner than non-handled horses. It is concluded that the social environment affected the way horses reacted to humans when tested in the home environment but not in a novel environment. In contrast, handling affected the reactions to humans when tested in the novel environment but not in the home environment. However, handled horses also reacted less to the novel environment in general, thus indicating that handling is a mean of avoiding potential dangerous situations.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	308
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	Author	Visser, E.K.; Van Reenen, C.G.; Engel, B.; Schilder, M.B.H.; Barneveld, A.; Blokhuis, H.J.
	Title	The association between performance in show-jumping and personality traits earlier in life			Type	Journal Article
	Year	2003	Publication	Applied Animal Behaviour Science	Abbreviated Journal	Appl. Anim. Behav. Sci.
	Volume	82	Issue	4	Pages	279-295
	Keywords	Personality; Performance; Horses; Prediction; Individual differences; Behavioural tests
	Abstract	For a horse to succeed in a show-jumping career, the individual has to possess both excellent physical abilities as well as a suitable personality to perform under challenging conditions. Forty-one Dutch Warmblood horses were used to develop personality tests and correlations between test variables and early training performances in jumping were studied. In behavioural tests, during the first 2 years of the horses' lives, personality aspects like emotionality, reactivity to human and learning abilities were quantified. At the age of 3, horses were broken and received early training in show-jumping. The inter-relationship between several performance variables measured during this early training phase were studied using principal component analysis (PCA). Variables measured in the different personality tests (novel-object test, handling test, avoidance-learning test and a reward-learning test) showed no correlations, suggesting that these tests all triggered different aspects of a horse's personality. This study indicates that it is possible to predict a substantial part of the show-jumping performance of an individual horse later in life by personality traits earlier in life.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	326
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	Author	Clotfelter, E.D.; Paolino, A.D.
	Title	Bystanders to contests between conspecifics are primed for increased aggression in male fighting fish			Type	Journal Article
	Year	2003	Publication	Animal Behaviour.	Abbreviated Journal	Anim. Behav.
	Volume	66	Issue	2	Pages	343-347
	Keywords
	Abstract	We performed two experiments in which we allowed a male fighting fish, Betta splendens, designated a bystander, to observe aggressive contests between pairs of male conspecifics. Another male (naive male) observed an empty tank or two nonaggressive males, depending on the experiment. Immediately after these observation periods, we allowed the bystander and naive male to interact in a neutral area. In both experiments, bystander males were dominant over naive males in a significant number of the encounters. Bystander males performed significantly more aggressive behaviours (displays, chases and bites) than did naive males. Differences in dominance were not due to chance differences in body size. These findings demonstrate that exposure to aggression between conspecifics increases aggressive motivation in bystander male fighting fish. We discuss briefly the implications of such social experience on the formation of dominance hierarchies. Copyright 2003 Published by Elsevier Ltd on behalf of The Association for the Study of Animal Behaviour.
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN		ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	338
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