| Records |
| Author |
Gese, E.M.; Ruff, R.L. |
| Title |
Howling by coyotes (Canis latrans): variation among social classes, seasons, and pack sizes |
Type |
Journal Article |
| Year |
1998 |
Publication  |
Can J Zool |
Abbreviated Journal |
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| Volume |
76 |
Issue |
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Pages |
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no |
| Call Number |
Equine Behaviour @ team @ Gese1998 |
Serial |
6462 |
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| Author |
Schwartz, E.B.; Granger, D.A.; Susman, E.J.; Gunnar, M.R.; Laird, B. |
| Title |
Assessing Salivary Cortisol in Studies of Child Development |
Type |
Journal Article |
| Year |
1998 |
Publication |
Child Development |
Abbreviated Journal |
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| Volume |
69 |
Issue |
6 |
Pages |
1503-1513 |
| Keywords |
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| Abstract |
In a series of studies, we evaluated the susceptibility of radioimmunoassays (RIA) for saliva cortisol to interference effects caused by oral stimulants used to facilitate saliva collection in studies with children. When added directly to saliva samples, oral stimulants (drink mix crystals) artificially inflated estimated cortisol concentrations. The magnitude of the interference effect was concentration-dependent and more pronounced for some stimulants and RIA procedures than for others. Analysis of samples collected using oral stimulants from child and adult participants confirmed stimulant interference as an extraneous source of variability in measured saliva cortisol. Associations between serum and saliva cortisol and between saliva cortisol and “behavioral” variables were attenuated by stimulant interference. A survey of six large child studies estimated interference effects, indexed by low sample pH, to be present in 14.7% of the 1,148 total saliva samples, or 2%-54% (M= 22%) of samples within each study. Recommendations to minimize the impact of stimluant interference in studies involving salivary cortisol in the context of child health and development are outlined. |
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| Publisher |
Blackwell Publishing Ltd |
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Edition |
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| ISSN |
1467-8624 |
ISBN |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5562 |
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| Author |
Kesel, L.; Neil, D.H. |
| Title |
Restraint and handling of animals |
Type |
Journal Article |
| Year |
1998 |
Publication |
Clinical Textbook for Veterinary Technicians. 4th ed. |
Abbreviated Journal |
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| Volume |
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Issue |
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Pages |
1-26 |
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| Notes |
Cited By (since 1996): 1; Export Date: 21 October 2008 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4523 |
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| Author |
Heitkamp, H.C.; Horstmann, T.; Hillgeris, D. |
| Title |
[Riding injuries and injuries due to handling horses in experienced riders] |
Type |
Journal Article |
| Year |
1998 |
Publication |
Der Unfallchirurg |
Abbreviated Journal |
Unfallchirurg |
| Volume |
101 |
Issue |
2 |
Pages |
122-128 |
| Keywords |
Adult; Animals; Athletic Injuries/*epidemiology/etiology/surgery; Cross-Sectional Studies; Female; Fractures, Bone/epidemiology/etiology/surgery; Germany/epidemiology; *Horses; Humans; Incidence; Male; Multiple Trauma/epidemiology/etiology/surgery; Risk Factors |
| Abstract |
A group of experienced riders who qualified for the German riding badge 9.5 years ago answered a questionnaire pertaining to injuries during jumping, dressage and cross-country riding, as well as handling the horse. During riding 69% of the persons had had 187 injuries and while handling the horse 52% had had 124 injuries. Fractures and contusions were the most-frequent injuries; most riding injuries were located in the upper extremities and shoulder while handling mainly in the hands and feet. The number of injuries was comparable in jumping, dressage or cross-country riding. The time engaged in jumping was about one-third of the other types of riding, but the injuries were more severe. While handling the horse the number of injuries relative to the time spent during the activity were higher but less complicated. No change in safety precautions had been implemented by 67% of the persons injured. The injury rate for equestrians is relatively low both in handling the horse and during riding. The frequent fractures and contusions may be reduced by following the required safety regulations. |
| Address |
Abteilung Sportmedizin, Universitat Tubingen |
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Thesis |
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Place of Publication |
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Editor |
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| Language |
German |
Summary Language |
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Original Title |
Reitverletzungen und Verletzungen beim Umgang mit Pferden bei erfahrenen Reitern |
| Series Editor |
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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 |
0177-5537 |
ISBN |
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Medium |
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| Area |
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Expedition |
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Conference |
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| Notes |
PMID:9553480 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3735 |
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| Author |
Hopkins, W.D.; Parr, L.A. |
| Title |
Lateralized behavior and lymphocyte counts in chimpanzees (pan troglodytes): A cross-sectional and longitudinal assessment |
Type |
Journal Article |
| Year |
1998 |
Publication |
Developmental Neuropsychology |
Abbreviated Journal |
Developmental Neuropsychology |
| Volume |
14 |
Issue |
4 |
Pages |
519-533 |
| Keywords |
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| Abstract |
Cross?sectional and longitudinal assessment of lymphocyte count and behavioral laterality was examined in a sample of captive chimpanzees (Pan troglodytes) to assess the validity of the Geschwind?Behan?Galaburda (GBG) theory of cerebral lateralization. For the cross?sectional analysis, chimpanzees classified as right?handed for feeding exhibited lower lymphocyte counts than chimpanzees classified as either ambiguously handed or left?handed. Longitudinal analysis indicated that some measures of laterality within the first 3 months of life predicted (a) direction of hand preference at 2 to 5 years of age and (b) lymphocyte counts for the first 3 years of life. The association between lymphocyte count and behavioral laterality was more evident in males than females. Taken together, the results support some aspects of the GBG theory. |
| Address |
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Thesis |
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| Publisher |
Routledge |
Place of Publication |
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Editor |
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| Language |
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Summary Language |
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Original Title |
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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 |
8756-5641 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
doi: 10.1080/87565649809540726 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5780 |
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| Author |
Doherty, T.J.; Frazier, D.L. |
| Title |
Effect of intravenous lidocaine on halothane minimum alveolar concentration in ponies |
Type |
Journal Article |
| Year |
1998 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
30 |
Issue |
4 |
Pages |
300-303 |
| Keywords |
Anesthetics/administration & dosage/blood/*pharmacology; Anesthetics, Inhalation/administration & dosage/*analysis; Animals; Consciousness/drug effects; Dose-Response Relationship, Drug; Halothane/administration & dosage/*analysis; Horses/*physiology; Infusions, Intravenous/veterinary; Lidocaine/administration & dosage/blood/*pharmacology; Male |
| Abstract |
This study investigated the effect of lidocaine i.v. on halothane minimum alveolar concentration (MAC) in ponies. Six ponies were anaesthetised with thiopentone and succinylcholine, intubated and anaesthesia maintained with halothane. Ventilation was controlled and blood pressure maintained within clinically acceptable limits. Following a 2 h equilibration period, baseline halothane MAC was determined. The ponies were then given a loading dose of lidocaine (2.5 or 5 mg/kg bwt) or saline over 5 min, followed by a constant infusion of lidocaine (50 or 100 microg/kg/min, or saline, respectively). The halothane MAC was redetermined after a 60 min infusion of lidocaine or saline. The baseline halothane MAC for the control group was mean +/- s.d. 0.94 +/- 0.03%, and no significant decrease occurred following saline infusion. Lidocaine decreased halothane MAC in a dose-dependent fashion (r = 0.86; P < 0.0003). The results indicate that i.v. lidocaine may have a role in equine anaesthesia. |
| Address |
Department of Large Animal Clinical Sciences, University of Tennessee, College of Veterinary Medicine, Knoxville 37901-1071, USA |
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Place of Publication |
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| Language |
English |
Summary Language |
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Original Title |
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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 |
0425-1644 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:9705112 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
95 |
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| Author |
Morales, J.L.; Manchado, M.; Vivo, J.; Galisteo, A.M.; Aguera, E.; Miro, F. |
| Title |
Angular kinematic patterns of limbs in elite and riding horses at trot |
Type |
Journal Article |
| Year |
1998 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
30 |
Issue |
6 |
Pages |
528-533 |
| Keywords |
Animals; Biomechanics; Breeding; Extremities/*physiology; Gait/*physiology; Horses/*physiology; Image Processing, Computer-Assisted; Joints/*physiology; Male; Video Recording |
| Abstract |
Normal speed videography was used to determine the angular parameters of 28 Spanish Thoroughbreds at trot. Horses were divided into 3 groups: Group UT, comprising 9 animals (provided by the VII National Stud, Cordoba, Spain) which had undergone no specific training programme and which were hand led at the trot; Group T, formed by 19 horses considered to be highly bred and trained, and which were also hand led; and Group RT, comprising the same horses as the latter group but this time trotted by a rider. Each animal was filmed 6 times from the right-hand side, using a Hi8 (25 Hz) video camera. Angular parameters for fore- and hindlimb joints were measured in each stride from computer-grabbed frames and entered into a spreadsheet for calculation; parameters included maximum and minimum angles, range of motion, and angles at landing, lift off and maximum hoof height; the times at which maximum angle, minimum angle, lift off and maximum hoof height occurred were calculated as percentages of total stride duration. Stride velocity (mean [s.d.]) was 4.01 (0.62), 3.60 (0.34) and 3.07 (0.36) m/s for Groups UT, T and RT, respectively. Data were then compared between Groups UT-T and Groups T-RT. Compared with Group UT, horses from Group T featured a shorter stance percentage (P<0.001) in both fore- and hindlimbs. The range of motion in forelimbs was smaller (P<0.05), due to lower retraction (P<0.001); moreover, maximum retraction appeared earlier (P<0.05). Greater scapular inclination was in evidence (P<0.05) and the shoulder joint extended further (P<0.05). Fore- and hind fetlock joints revealed a relatively shorter hyperextension period during the stance phase (P<0.01). Compared with Group T, horses from Group RT had a longer stance percentage, with belated maximum retraction of the fore- and hindlimbs. The range of movement in scapular inclination was greater (P<0.05), due to a smaller minimum angle (P<0.01), and the shoulder joint flexed more (P<0.05). The elbow joint extended more and for longer during the stance phase. Initial extension of the hip joint (P<0.05) and tarsus (P<0.001) lasted longer. The carpal and fore and hind fetlock joints recorded relatively longer hyperextension times, in addition to greater hyperextension during the stance phase. The results from the present study suggest that rider-effect must be taken in consideration when well gaited horses are selected for dressage purposes. |
| Address |
Department of Compared Anatomy and Pathology, University of Cordoba, Veterinary Faculty, Spain |
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Thesis |
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Place of Publication |
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Editor |
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| Language |
English |
Summary Language |
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Original Title |
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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 |
0425-1644 |
ISBN |
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Medium |
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Conference |
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| Notes |
PMID:9844972 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3734 |
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| Author |
Birch, H.L.; Bailey, A.J.; Goodship, A.E. |
| Title |
Macroscopic 'degeneration' of equine superficial digital flexor tendon is accompanied by a change in extracellular matrix composition |
Type |
Journal Article |
| Year |
1998 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
30 |
Issue |
6 |
Pages |
534-539 |
| Keywords |
Animals; Collagen/analysis; DNA/analysis; Extracellular Matrix/*chemistry; Glycosaminoglycans/analysis; Horses/injuries/*physiology; Immunohistochemistry; Rupture/veterinary; Tendon Injuries/metabolism/pathology/veterinary; Tendons/chemistry/*pathology; Water/analysis |
| Abstract |
Injuries to the superficial digital flexor tendon are common in horses required to gallop and jump at speed. Partial rupture of this tendon usually occurs in the central core of the midmetacarpal region and may be preceded by localised degenerative changes. Post mortem examination of apparently normal equine flexor tendons has revealed an abnormal macroscopic appearance in the central core, characterised by a reddish discolouration. We have previously shown that there is also physical damage to the collagen fibres. In the present study we tested the hypothesis that the abnormal appearance is accompanied by changes in the composition of the extracellular matrix of the tendon. Biochemical analysis of the extracellular matrix demonstrated an increase in total sulphated glycosaminoglycan content, increase in the proportion of type III collagen and decrease in collagen linked fluorescence in the central core of 'degenerated' tendons relative to tissue from the peripheral region of the same tendon. Dry matter content and total collagen content were not significantly different between tendon zones or normal and 'degenerated' tendons. These changes suggest a change in cell metabolism and matrix turnover in the central core of the tendon and are likely to contribute to a decrease in mechanical properties in this part of the tendon, predisposing to the characteristic partial rupture of the tendon. |
| Address |
Veterinary Basic Sciences, Royal Veterinary College, North Mymms, Hatfield, UK |
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| Language |
English |
Summary Language |
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Original Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
0425-1644 |
ISBN |
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Medium |
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Expedition |
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Conference |
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| Notes |
PMID:9844973 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3794 |
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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 |
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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 |
Summary Language |
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Conference |
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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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Place of Publication |
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English |
Summary Language |
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Original Title |
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Edition |
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Conference |
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| Notes |
PMID:10485001 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
88 |
| Permanent link to this record |
