Records |
Author |
McGreevy, P.D.; Webster, A.J.; Nicol, C.J. |
Title |
Study of the behaviour, digestive efficiency and gut transit times of crib-biting horses |
Type |
Journal Article |
Year |
2001 |
Publication |
The Veterinary record |
Abbreviated Journal |
Vet. Rec. |
Volume |
148 |
Issue |
19 |
Pages |
592-596 |
Keywords |
Animals; Behavior, Animal/*physiology; Case-Control Studies; *Digestion; *Gastrointestinal Motility/drug effects; Horse Diseases/*physiopathology; Horses/*physiology/psychology; Male; Stereotyped Behavior/*physiology; Sulfapyridine/blood; Sulfasalazine/diagnostic use/pharmacology |
Abstract |
The spontaneous behaviour and the apparent digestibility of dry matter and fibre and transit times of digesta were compared in four normal horses and four crib-biters. A technique was developed for measuring total gut transit times (TGTT) by using single-stool analysis of the passage of radio-opaque polyethylene markers. Longer TGTT were recorded in the crib-biters than in the normal horses but the orocaecal transit times did not differ. The crib-biters rested less than the normal horses. |
Address |
Department of Clinical Veterinary Science, University of Bristol, Langford |
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Language |
English |
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Series Volume |
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Edition |
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ISSN |
0042-4900 |
ISBN |
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Conference |
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Notes |
PMID:11386445 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
86 |
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Author |
McGreevy, P.D.; Nicol, C.J. |
Title |
Prevention of crib-biting: a review |
Type |
Journal Article |
Year |
1998 |
Publication |
Equine veterinary journal. Supplement |
Abbreviated Journal |
Equine Vet J Suppl |
Volume |
|
Issue |
27 |
Pages |
35-38 |
Keywords |
Animals; *Behavior, Animal; Horse Diseases/*prevention & control/psychology; Horses; *Stereotyped Behavior |
Abstract |
Crib-biting is a common oral stereotype. Because of perceived deleterious effects on the health and appearance of subjects the prevention of crib-biting is regularly attempted. The resourcefulness of horses in satisfying their motivation to perform this behaviour often frustrates owners' efforts at prevention. This paper reviews the efficacy and observable consequences of attempting to prevent crib-biting by a variety of methods. These include attempts to prevent the grasping of objects, to interfere with air-engulfing and to introduce punishment for grasping and neck-flexion. Other approaches include the use of surgery, acupuncture, pharmaceuticals, operant feeding and environmental enrichment. A remedy that is effective for every crib-biter remains elusive. We conclude that, rather than concentrating on remedial prevention, further research should be directed at establishing why horses crib-bite and how the emergence of crib-biting can be avoided. |
Address |
Department of Clinical Veterinary Science, University of Bristol, UK |
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English |
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Notes |
PMID:10485002 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
87 |
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Author |
McGreevy, P.D.; Nicol, C.J. |
Title |
The effect of short-term prevention on the subsequent rate of crib-biting in thoroughbred horses |
Type |
Journal Article |
Year |
1998 |
Publication |
Equine veterinary journal. Supplement |
Abbreviated Journal |
Equine Vet J Suppl |
Volume |
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Issue |
27 |
Pages |
30-34 |
Keywords |
Analysis of Variance; Animals; *Behavior, Animal; Horse Diseases/*prevention & control/psychology; Horses; Male; Recurrence; *Stereotyped Behavior; Videotape Recording |
Abstract |
The results of an experimental study of the motivational consequences of short-term prevention of crib-biting are reported here. Eight test horses wore a cribbing collar for 24 h. This was effective in preventing crib-biting in 6 subjects. Using analysis of co-variance that accounted for baseline differences in crib-biting rate, test horses showed significantly more crib-biting than control horses on the first day after prevention (P < 0.05). There was also a highly significant increase in the crib-biting rate of test horses on the first day after prevention in comparison with their baseline rate (P < 0.01). This defines the increase as a post inhibitory rebound. An increase in the novelty of the cribbing bar and an increase in feeding motivation during the period of prevention are rejected as explanations of the rebound in this study. Instead, it is suggested that the rebound reflected a rise in internal motivation to crib-bite during the period of prevention. Behaviours that exhibit this pattern of motivation are generally considered functional; and it has been argued that their prevention may compromise welfare. |
Address |
Department of Clinical Veterinary Science, University of Bristol, UK |
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English |
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Notes |
PMID:10485001 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
88 |
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Author |
McGreevy, P.D.; Richardson, J.D.; Nicol, C.J.; Lane, J.G. |
Title |
Radiographic and endoscopic study of horses performing an oral based stereotypy |
Type |
Journal Article |
Year |
1995 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
Volume |
27 |
Issue |
2 |
Pages |
92-95 |
Keywords |
Animals; Endoscopy/*veterinary; Esophagus/physiopathology/radiography; Female; Fluoroscopy/veterinary; Horse Diseases/physiopathology/*psychology/radiography; Horses; Male; Pharynx/physiopathology/radiography; *Stereotyped Behavior; Video Recording |
Abstract |
There is confusion in the veterinary literature concerning the definition of oral based stereotypies in the horse. This study reports the use of fluoroscopy and endoscopy during cribbiting/wind-sucking in afflicted horses. This permitted observations of movements of the pharyngeal and oesophageal tissues and of the air column within during the stereotypic behaviour. The findings reported show that the sequence of events during crib-biting/wind-sucking is not related to deglutition and that air is not swallowed to the stomach. Transient dilation of the upper oesophagus was recorded and the characteristic noise of wind-sucking coincided with the in-rush of air through the cricopharynx. The oesophageal distension was relieved when the air returned to the pharynx although small quantities passed caudally. It is proposed that the role of contraction of the strap muscles of the neck is to create a pressure gradient in the soft tissues surrounding the oesophagus which provokes movement of air from the pharynx into the oesophagus. The findings suggest that the definitions currently used in the sale of horses are in need of revision. |
Address |
Department of Clinical Veterinary Science, University of Bristol, Langford, UK |
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English |
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ISSN |
0425-1644 |
ISBN |
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Notes |
PMID:7607156 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
90 |
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Author |
McGreevy, P.D.; Cripps, P.J.; French, N.P.; Green, L.E.; Nicol, C.J. |
Title |
Management factors associated with stereotypic and redirected behaviour in the thoroughbred horse |
Type |
Journal Article |
Year |
1995 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
Volume |
27 |
Issue |
2 |
Pages |
86-91 |
Keywords |
Animal Husbandry/*methods; Animals; Horse Diseases/psychology/*therapy; Horses; Risk Factors; *Stereotyped Behavior; Time Factors |
Abstract |
A greater knowledge of the effect of management factors is required to investigate the ontogeny of abnormal behaviour in the stabled horse. A postal survey of racehorse (flat) trainers yielded information about 22 yard and management factors. The relationship of the factors to the prevalence of abnormal behaviour was analysed by logistic regression. Management factors related to the time spent in the stable showed the strongest associations with stereotypic behaviour. The risk of horses performing abnormal behaviour increased: 1) as the amount of forage fell below 6.8 kg/day, 2) when bedding types other than straw were used, 3) when the total number of horses on the yard was fewer than 75, 4) in association with box designs that minimised contact between neighbouring horses, 5) when hay, rather than other types of forage, was used. |
Address |
Department of Animal Health and Husbandry, School of Veterinary Science, University of Bristol, Langford, UK |
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0425-1644 |
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Notes |
PMID:7607155 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
91 |
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Author |
Pell, S.M.; McGreevy, P.D. |
Title |
Prevalence of stereotypic and other problem behaviours in thoroughbred horses |
Type |
Journal Article |
Year |
1999 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust Vet J |
Volume |
77 |
Issue |
10 |
Pages |
678-679 |
Keywords |
Animals; *Behavior, Animal; Breeding; Horse Diseases/*epidemiology; Horses/*psychology; New South Wales/epidemiology; Odds Ratio; Prevalence; *Stereotyped Behavior |
Abstract |
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Address |
Department of Animal Science, University of Sydney, New South Wales |
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0005-0423 |
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PMID:10590799 |
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no |
Call Number |
refbase @ user @ |
Serial |
1927 |
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Author |
McGreevy, P.D. |
Title |
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Type |
Book Whole |
Year |
2004 |
Publication |
Equine Behavior: A Guide for Veterinarians and Equine Scientists |
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Cited By (since 1996): 25; Export Date: 21 October 2008 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4530 |
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Author |
McGreevy, P.D.; McLean, A.N.; Warren-Smith, A.K.; Waran, N.; Goodwin, D. |
Title |
Defining the terms and processes associated with equitation |
Type |
Journal Article |
Year |
2005 |
Publication |
Proceedings of the First International Equitation Science Symposium |
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Pages |
10-43 |
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Cited By (since 1996): 6; Export Date: 24 October 2008 |
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no |
Call Number |
Admin @ knut @ |
Serial |
4616 |
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Author |
Warren-Smith, A.K.; McGreevy, P.D. |
Title |
Preliminary investigations into the ethological relevance of round-pen (round-yard) training of horses |
Type |
Journal Article |
Year |
2008 |
Publication |
Journal of Applied Animal Welfare Science |
Abbreviated Journal |
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Volume |
11 |
Issue |
3 |
Pages |
285-298 |
Keywords |
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Abstract |
Recently, training horses within round-pens has increased in popularity. Practitioners often maintain that the responses they elicit from horses are similar to signals used with senior conspecifics. To audit the responses of horses to conspecifics, 6 mare-young-horse dyads, this study introduced them to each other in a round-pen and videoed them for 8 min. These dyads spent significantly more time farther than 10 m apart than they did less than 1 m apart (p < .001). The time they spent less than 1 m apart decreased over the 8-min test period (p = .018). Mares occupied the center of the round-pen and chased youngsters for 0.73% of the test period (p < .001). Mares made all agonistic approaches (p < .001), and youngsters (p = .018) made all investigative approaches. Head lowering and licking-and-chewing were exhibited most when the youngsters were facing away from the mares (p < .001). The frequency of head lowering increased during the test period (p = .027), whereas the frequency of licking-and-chewing did not change. The results bring into question the popular interpretation and ethological relevance of equine responses commonly described in round-pen training and show that mares did not condition young horses to remain in close proximity to them. |
Address |
Faculty of Veterinary Science, University of Sydney, Sydney, NSW, Australia |
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Cited By (since 1996): 1; Export Date: 13 November 2008; Source: Scopus |
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no |
Call Number |
Equine Behaviour @ team @ |
Serial |
4657 |
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