| Records |
| Author |
Madigan, J.E.; Bell, S.A. |
| Title |
Owner survey of headshaking in horses |
Type |
Journal Article |
| Year |
2001 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
| Volume |
219 |
Issue |
3 |
Pages |
334-337 |
| Keywords |
Animals; Anti-Allergic Agents/*therapeutic use; *Behavior, Animal/drug effects; Cyproheptadine/*therapeutic use; Data Collection; Diagnosis, Differential; Female; Horse Diseases/diagnosis/drug therapy/*etiology; Horses; Humans; Male; Questionnaires; Seasons |
| Abstract |
OBJECTIVE: To determine signalment, history, clinical signs, duration, seasonality, and response to various treatments reported by owners for headshaking in horses. DESIGN: Owner survey. ANIMALS: 109 horses with headshaking. PROCEDURE: Owners of affected horses completed a survey questionnaire. RESULTS: 78 affected horses were geldings, 29 were mares, and 2 were stallions. Mean age of onset was 9 years. Headshaking in 64 horses had a seasonal component, and for most horses, headshaking began in spring and ceased in late summer or fall. The most common clinical signs were shaking the head in a vertical plane, acting like an insect was flying up the nostril, snorting excessively, rubbing the muzzle on objects, having an anxious expression while headshaking, worsening of clinical signs with exposure to sunlight, and improvement of clinical signs at night. Treatment with antihistamines, nonsteroidal anti-inflammatory drugs, corticosteroids, antimicrobials, fly control, chiropractic, and acupuncture had limited success. Sixty-one horses had been treated with cyproheptadine; 43 had moderate to substantial improvement. CONCLUSIONS AND CLINICAL RELEVANCE: Headshaking may have many causes. A large subset of horses have similar clinical signs including shaking the head in a vertical plane, acting as if an insect were flying up the nostrils, and rubbing the muzzle on objects. Seasonality and worsening of clinical signs with exposure to light are also common features of this syndrome. Geldings and Thoroughbreds appear to be overrepresented. Cyproheptadine treatment was beneficial in more than two thirds of treated horses. |
| Address |
Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis 95616, USA |
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| Language |
English |
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| ISSN |
0003-1488 |
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| Notes |
PMID:11497047 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
1916 |
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| Author |
McBride, S.D.; Long, L. |
| Title |
Management of horses showing stereotypic behaviour, owner perception and the implications for welfare |
Type |
Journal Article |
| Year |
2001 |
Publication |
The Veterinary Record |
Abbreviated Journal |
Vet. Rec. |
| Volume |
148 |
Issue |
26 |
Pages |
799-802 |
| Keywords |
*Animal Husbandry/methods; *Animal Welfare; Animals; England/epidemiology; Horse Diseases/*epidemiology/*prevention & control/psychology; Horses; Humans; Interviews; *Perception; *Stereotyped Behavior |
| Abstract |
A telephone survey was conducted of 100 racing stables, 100 riding schools and 100 competition establishments (8,427 horses in total) to determine what management practices were being applied to horses showing stereotypic behaviour, and to determine the underlying reasons for them by assessing the perceptions and opinions of the people working with the horses. The results indicated that horse owners are concerned about stereotypic behaviour, first, because it reduces the performance of the animal (31, 30 and 27 per cent of the owners of racing stables, riding schools and competition establishments respectively), secondly, because it has adverse clinical effects on the horse (52, 55 and 56 per cent), and thirdly, because it reduces the monetary value of the animal (45, 59 and 31 per cent). The belief that these behaviours are learnt or copied also affects the management of affected horses: they are not allowed on to the premises by 4, 32 and 17 per cent of owners of racing stables, riding schools and competition establishments, respectively; attempts are made to remove the causal factors of the stereotypy by 35, 43 and 36 per cent; the behaviours are physically prevented by 77, 67 and 79 per cent, and the affected horses are kept separate from other horses by 39, 30 and 48 per cent. |
| Address |
Institute of Rural Studies, University of Wales, Aberystwyth |
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English |
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Edition |
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| ISSN |
0042-4900 |
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| Notes |
PMID:11467606 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
1918 |
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| Author |
Miller, R.M. |
| Title |
The revolution in horsemanship |
Type |
Journal Article |
| Year |
2000 |
Publication |
Journal of the American Veterinary Medical Association |
Abbreviated Journal |
J Am Vet Med Assoc |
| Volume |
216 |
Issue |
8 |
Pages |
1232-1233 |
| Keywords |
*Animal Welfare; Animals; *Behavior, Animal; *Bonding, Human-Pet; *Horses/psychology; Humans; *Physical Conditioning, Animal |
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English |
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0003-1488 |
ISBN |
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| Notes |
PMID:10767957 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
1925 |
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| Author |
van Niekerk, H.P. |
| Title |
Ethological studies within the man-horse relationship |
Type |
Journal Article |
| Year |
1980 |
Publication |
Journal of the South African Veterinary Association |
Abbreviated Journal |
J S Afr Vet Assoc |
| Volume |
51 |
Issue |
4 |
Pages |
237-238 |
| Keywords |
Animals; Behavior, Animal; Hearing; Horses/*physiology; Humans; Smell; Taste; Touch; Vision |
| Abstract |
Certain aspects of ethology and the horse's senses are discussed to bring about a better understanding between man and horse. Furthermore the behaviour of horses with respect to housing, feeding, breeding, veterinary treatment and work are considered. |
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English |
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Series Issue |
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Edition |
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| ISSN |
1019-9128 |
ISBN |
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| Notes |
PMID:7241494 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
1960 |
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| Author |
Lynch, J.J.; Fregin, G.F.; Mackie, J.B.; Monroe, R.R.J. |
| Title |
Heart rate changes in the horse to human contact |
Type |
Journal Article |
| Year |
1974 |
Publication |
Psychophysiology |
Abbreviated Journal |
Psychophysiology |
| Volume |
11 |
Issue |
4 |
Pages |
472-478 |
| Keywords |
Animals; Behavior, Animal; Electrocardiography/veterinary; *Heart Rate; Horses/*physiology; Humans; *Social Behavior; *Touch |
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English |
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Edition |
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| ISSN |
0048-5772 |
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| Notes |
PMID:4852234 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
1965 |
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| Author |
Thrower, W.R. |
| Title |
Aggression in horses |
Type |
Journal Article |
| Year |
1970 |
Publication |
Proceedings of the Royal Society of Medicine |
Abbreviated Journal |
Proc R Soc Med |
| Volume |
63 |
Issue |
2 |
Pages |
163-167 |
| Keywords |
*Aggression; Animals; Behavior, Animal; Breeding; Evolution; *Horses; Humans; Species Specificity; Territoriality |
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English |
Summary Language |
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Series Title |
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Edition |
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| ISSN |
0035-9157 |
ISBN |
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| Notes |
PMID:5462347 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
1966 |
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| Author |
Kawamura, S. |
| Title |
Aggression as studied in troops of Japanese monkeys |
Type |
Journal Article |
| Year |
1967 |
Publication |
UCLA Forum in Medical Sciences |
Abbreviated Journal |
UCLA Forum Med Sci |
| Volume |
7 |
Issue |
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Pages |
195-223 |
| Keywords |
*Aggression; Animals; Behavior, Animal; Defense Mechanisms; Female; *Haplorhini; Homosexuality; Humans; Japan; Leadership; Male; Play and Playthings; Sexual Behavior, Animal; Social Behavior; Socialization |
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English |
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0082-7134 |
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| Notes |
PMID:4972333 |
Approved |
no |
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Serial |
2056 |
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| Author |
Joffe, T.H.; Dunbar, R.I. |
| Title |
Visual and socio-cognitive information processing in primate brain evolution |
Type |
Journal Article |
| Year |
1997 |
Publication |
Proceedings. Biological Sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
| Volume |
264 |
Issue |
1386 |
Pages |
1303-1307 |
| Keywords |
Animals; Brain/anatomy & histology/*physiology; Cognition/physiology; *Evolution; Geniculate Bodies/anatomy & histology/physiology; Humans; Mental Processes/physiology; Neocortex/physiology; Primates/anatomy & histology/*physiology/*psychology; *Social Behavior; Visual Cortex/anatomy & histology/physiology |
| Abstract |
Social group size has been shown to correlate with neocortex size in primates. Here we use comparative analyses to show that social group size is independently correlated with the size of non-V1 neocortical areas, but not with other more proximate components of the visual system or with brain systems associated with emotional cueing (e.g. the amygdala). We argue that visual brain components serve as a social information 'input device' for socio-visual stimuli such as facial expressions, bodily gestures and visual status markers, while the non-visual neocortex serves as a 'processing device' whereby these social cues are encoded, interpreted and associated with stored information. However, the second appears to have greater overall importance because the size of the V1 visual area appears to reach an asymptotic size beyond which visual acuity and pattern recognition may not improve significantly. This is especially true of the great ape clade (including humans), that is known to use more sophisticated social cognitive strategies. |
| Address |
School of Life Sciences, University of Liverpool, UK |
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English |
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Edition |
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| ISSN |
0962-8452 |
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| Notes |
PMID:9332015 |
Approved |
no |
| Call Number |
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Serial |
2095 |
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| Author |
Dunbar, R.I.M.; McAdam, M.R.; O'connell, S. |
| Title |
Mental rehearsal in great apes (Pan troglodytes and Pongo pygmaeus) and children |
Type |
Journal Article |
| Year |
2005 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
69 |
Issue |
3 |
Pages |
323-330 |
| Keywords |
Algorithms; Animals; Child; Child, Preschool; Food; Frontal Lobe/anatomy & histology/physiology; Humans; *Imagination; Pan troglodytes; Pongo pygmaeus; Problem Solving/*physiology; Psychomotor Performance/physiology; Reward |
| Abstract |
The ability to rehearse possible future courses of action in the mind is an important feature of advanced social cognition in humans, and the “social brain” hypothesis implies that it might also be a feature of primate social cognition. We tested two chimpanzees, six orangutans and 63 children aged 3-7 years on a set of four puzzle boxes, half of which were presented with an opportunity to observe the box before being allowed to open it (“prior view”), the others being given without an opportunity to examine the boxes before handling them (“no prior view”). When learning effects are partialled out, puzzle boxes in the “prior view” condition were opened significantly faster than boxes given in the “no prior view” condition by the children, but not by either of the great apes. The three species differ significantly in the speed with which they opened boxes in the “no prior view” condition. The three species' performance on this task was a function of relative frontal lobe volume, suggesting that it may be possible to identify quantitative neuropsychological differences between species. |
| Address |
Evolutionary Psychology Research Group, School of Biological Sciences, University of Liverpool, Biosciences Building, Crown Street, Liverpool L69 7ZB, UK. rimd@liv.ac.uk |
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English |
Summary Language |
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Abbreviated Series Title |
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Edition |
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| ISSN |
0376-6357 |
ISBN |
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| Notes |
PMID:15896530 |
Approved |
no |
| Call Number |
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Serial |
2097 |
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| Author |
Dunbar, R.I.M. |
| Title |
Male and female brain evolution is subject to contrasting selection pressures in primates |
Type |
Journal Article |
| Year |
2007 |
Publication |
BMC Biology |
Abbreviated Journal |
BMC Biol |
| Volume |
5 |
Issue |
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Pages |
21 |
| Keywords |
Animals; *Brain/physiology; *Evolution; Female; Humans; Male; *Selection (Genetics); *Sex Characteristics |
| Abstract |
The claim that differences in brain size across primate species has mainly been driven by the demands of sociality (the “social brain” hypothesis) is now widely accepted. Some of the evidence to support this comes from the fact that species that live in large social groups have larger brains, and in particular larger neocortices. Lindenfors and colleagues (BMC Biology 5:20) add significantly to our appreciation of this process by showing that there are striking differences between the two sexes in the social mechanisms and brain units involved. Female sociality (which is more affiliative) is related most closely to neocortex volume, but male sociality (which is more competitive and combative) is more closely related to subcortical units (notably those associated with emotional responses). Thus different brain units have responded to different selection pressures. |
| Address |
British Academy Centenary Research Project, School of Biological Sciences, University of Liverpool, Liverpool, UK. rimd@liv.ac.uk |
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English |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
1741-7007 |
ISBN |
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Conference |
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| Notes |
PMID:17493267 |
Approved |
no |
| Call Number |
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Serial |
2100 |
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