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Author |
Houpt, K.A. |
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Title |
Stable vices and trailer problems |
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Journal Article |
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Year |
1986 |
Publication |
The Veterinary clinics of North America. Equine practice |
Abbreviated Journal |
Vet Clin North Am Equine Pract |
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Volume |
2 |
Issue |
3 |
Pages |
623-633 |
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Keywords |
Aerophagy/veterinary; Aggression; Animals; *Animals, Domestic; *Behavior, Animal; Fear; Frustration; Habits; *Horses; Locomotion; Mastication; Social Environment; Transportation |
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Abstract |
Stable vices include oral vices such as cribbing, wood chewing, and coprophagia, as well as stall walking, weaving, pawing, and stall kicking. Some of these behaviors are escape behaviors; others are forms of self-stimulation. Most can be eliminated by pasturing rather than stall confinement. Trailering problems include failure to load, scrambling in the moving trailer, struggling in the stationary trailer, and refusal to unload. Gradual habituation to entering the trailer, the presence of another horse, or a change in trailer type can be used to treat these problems. |
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0749-0739 |
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PMID:3492249 |
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refbase @ user @ |
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48 |
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Author |
Beaver, B.V. |
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Title |
Aggressive behavior problems |
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Journal Article |
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Year |
1986 |
Publication |
The Veterinary clinics of North America. Equine practice |
Abbreviated Journal |
Vet Clin North Am Equine Pract |
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Volume |
2 |
Issue |
3 |
Pages |
635-644 |
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Keywords |
Affect; Aggression/*psychology; Animals; *Behavior, Animal; Dominance-Subordination; Fear; *Horses; Play and Playthings; Sexual Behavior, Animal; Social Environment |
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Abstract |
Accurate diagnosis of the cause of aggression in horses is essential to determining the appropriate course of action. The affective forms of aggression include fear-induced, pain-induced, intermale, dominance, protective, maternal, learned, and redirected aggressions. Non-affective aggression includes play and sex-related forms. Irritable aggression and hypertestosteronism in mares are medical problems, whereas genetic factors, brain dysfunction, and self-mutilation are also concerns. |
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0749-0739 |
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PMID:3492250 |
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refbase @ user @ |
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674 |
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Author |
Cheney, D.L.; Seyfarth, R.M.; Silk, J.B. |
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Title |
The responses of female baboons (Papio cynocephalus ursinus) to anomalous social interactions: evidence for causal reasoning? |
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Journal Article |
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Year |
1995 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
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Volume |
109 |
Issue |
2 |
Pages |
134-141 |
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Keywords |
Animals; Attention; Auditory Perception; *Awareness; *Concept Formation; *Dominance-Subordination; Fear; Female; Hierarchy, Social; Papio/*psychology; *Social Behavior; Social Environment; Vocalization, Animal |
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Abstract |
Baboons' (Papio cynocephalus ursinus) understanding of cause-effect relations in the context of social interactions was examined through use of a playback experiment. Under natural conditions, dominant female baboons often grunt to more subordinate mothers when interacting with their infants. Mothers occasionally respond to these grunts by uttering submissive fear barks. Subjects were played causally inconsistent call sequences in which a lower ranking female apparently grunted to a higher ranking female, and the higher ranking female apparently responded with fear barks. As a control, subjects heard a sequence made causally consistent by the inclusion of grunts from a 3rd female that was dominant to both of the others. Subjects responded significantly more strongly to the causally inconsistent sequences, suggesting that they recognized the factors that cause 1 individual to give submissive vocalizations to another. |
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Department of Biology, University of Pennsylvania, Philadelphia 19104, USA |
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0735-7036 |
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PMID:7758289 |
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refbase @ user @ |
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348 |
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Author |
Russell, C.L.; Bard, K.A.; Adamson, L.B. |
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Title |
Social referencing by young chimpanzees (Pan troglodytes) |
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Journal Article |
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Year |
1997 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
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Volume |
111 |
Issue |
2 |
Pages |
185-191 |
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happy & fear messages concerning novel objects from familiar human caregiver, social referencing, 14–41 mo old chimpanzees |
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Social referencing is the seeking of information from another individual and the use of that information to evaluate a situation. It is a well-documented ability in human infants but has not been studied experimentally in nonhuman primates. Seventeen young nursery-reared chimpanzees (14 to 41 months old) were observed in a standard social referencing paradigm in which they received happy and fear messages concerning novel objects from a familiar human caregiver. Each chimpanzee looked referentially at their caregiver, and the emotional messages that they received differentially influenced their gaze behavior and avoidance of the novel objects. It is concluded that chimpanzees can acquire information about their complex social and physical environments through social referencing and can use emotional information to alter their own behavior. (PsycINFO Database Record (c) 2010 APA, all rights reserved) |
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US: American Psychological Association |
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1939-2087(Electronic);0735-7036(Print) |
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Equine Behaviour @ team @ 1997-06365-008 |
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5603 |
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Author |
Grandin, T. |
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Title |
Safe handling of large animals |
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Journal Article |
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Year |
1999 |
Publication |
Occupational Medicine (Philadelphia, Pa.) |
Abbreviated Journal |
Occup Med |
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Volume |
14 |
Issue |
2 |
Pages |
195-212 |
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Keywords |
Accidents, Occupational/*prevention & control/statistics & numerical data; Aggression/physiology/psychology; Animal Husbandry/*methods; Animals; *Behavior, Animal/physiology; Cattle; Conditioning, Operant/physiology; Crowding/psychology; Fear/physiology/psychology; Female; *Horses/physiology/psychology; Humans; Male; Movement/physiology; *Occupational Health; Risk Factors; *Ruminants/physiology/psychology |
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The major causes of accidents with cattle, horses, and other grazing animals are: panic due to fear, male dominance aggression, or the maternal aggression of a mother protecting her newborn. Danger is inherent when handling large animals. Understanding their behavior patterns improves safety, but working with animals will never be completely safe. Calm, quiet handling and non-slip flooring are beneficial. Rough handling and excessive use of electric prods increase chances of injury to both people and animals, because fearful animals may jump, kick, or rear. Training animals to voluntarily cooperate with veterinary procedures reduces stress and improves safety. Grazing animals have a herd instinct, and a lone, isolated animal can become agitated. Providing a companion animal helps keep an animal calm. |
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Department of Animal Science, Colorado State University, Fort Collins 80526, USA |
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0885-114X |
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PMID:10329901 |
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Equine Behaviour @ team @ |
Serial |
3793 |
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Author |
Albentosa, M.J.; Kjaer, J.B.; Nicol, C.J. |
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Title |
Strain and age differences in behaviour, fear response and pecking tendency in laying hens |
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Journal Article |
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Year |
2003 |
Publication |
British poultry science |
Abbreviated Journal |
Br Poult Sci |
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44 |
Issue |
3 |
Pages |
333-344 |
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Keywords |
Age Factors; Aggression/*physiology; Animal Husbandry; Animals; *Behavior, Animal; Breeding; Chickens/genetics/*physiology; Fear/*physiology; Feathers/*injuries; Female; Housing, Animal; Population Density; Social Behavior |
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Abstract |
1. Behaviours associated with a high or low tendency to feather peck could be used as predictors of feather pecking behaviour in selective breeding programmes. This study investigated how strain and age at testing influenced responses in behavioural tests. 2. Four layer-type strains (ISA Brown, Columbian Blacktail, Ixworth and a high feather pecking (HP) and a low feather pecking (LP) line of White Leghorn) were reared in 6 same-strain/line pens of 8 birds from one day old. Birds in half the pens were given an open field test, a novel object test and a test with loose feather bundles between 4 and 12 weeks of age and a tonic immobility (TI) test at 13 weeks of age. All pens were tested with fixed feather bundles at 26 weeks, and undisturbed behaviour in the home pens was videoed at 1 and 27 weeks of age. Daily records of plumage damage were used as an indicator of feather pecking activity in the home pens. 3. Strain did not influence novel object test, open field test or loose feather test behaviour, although age effects in all three tests indicated a reduction in fearfulness and/or an increase in exploratory behaviour with increasing age. 4. White Leghorns showed longer TI durations than the other strains but less pecking at fixed feather bundles than ISA Browns and Columbian Blacktails. 5. There were few associations between behaviour in the 5 different tests, indicating that birds did not have overall behavioural traits that were consistent across different contexts. This suggests hens cannot easily be categorised into different behavioural 'types', based on their test responses and casts doubt on the usefulness of tests as predictors of feather pecking. |
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Centre for Behavioural Biology, Division of Farm Animal Science, University of Bristol, Langford, Bristol, England. MAlbentosa@lincoln.ac.uk |
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0007-1668 |
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Notes |
PMID:13677322 |
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no |
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refbase @ user @ |
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80 |
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Author |
Nelson, E.E.; Shelton, S.E.; Kalin, N.H. |
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Title |
Individual differences in the responses of naive rhesus monkeys to snakes |
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Journal Article |
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Year |
2003 |
Publication |
Emotion (Washington, D.C.) |
Abbreviated Journal |
Emotion |
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3 |
Issue |
1 |
Pages |
3-11 |
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Keywords |
Animals; *Arousal; Attention; Escape Reaction; *Fear; Female; Habituation, Psychophysiologic; *Individuality; Macaca mulatta/*psychology; Male; Phobic Disorders/psychology; *Snakes |
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Abstract |
The authors demonstrated individual differences in inhibited behavior and withdrawal responses of laboratory-born rhesus monkeys when initially exposed to a snake. Most monkeys displayed a small significant increase in their behavioral inhibition in the presence of a snake. A few monkeys had marked responses, and some actively withdrew. Although the responses of the most extreme laboratory-born monkeys were comparable to feral-born monkeys, the responses of the laboratory-born monkeys rapidly habituated. The individual differences in the responses of naive monkeys likely reflect a continuum from orienting to wariness to fear. A neurobiological model is presented that addresses potential mechanisms underlying these individual differences, their relation to fear, and how they may predispose to phobia development. |
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Department of Psychiatry, University of Wisconsin-Madison, 53719-1176, USA |
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1528-3542 |
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PMID:12899313 |
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Equine Behaviour @ team @ |
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4174 |
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Author |
Hedman, J. |
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Title |
Heart rate response towards fear-eliciting stimuli in horses |
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Manuscript |
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Year |
2003 |
Publication |
Sveriges lantbruksuniversitetSveriges lantbruksuniversitet Veterinärprogrammet |
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Volume |
2004 |
Issue |
40 |
Pages |
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Keywords |
horse, fear, heart-rate, novel stimuli |
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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. |
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Bachelor's thesis |
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Dept. of Animal Environment and Health, SLU. Examensarbete / Sveriges lantbruksuniversitet, Veterinä |
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1650-7045 |
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Equine Behaviour @ team @ |
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4652 |
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Author |
Breuer, K.; Hemsworth, P.H.; Coleman, G.J. |
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Title |
The effect of positive or negative handling on the behavioural and physiological responses of nonlactating heifers |
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Journal Article |
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Year |
2003 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
84 |
Issue |
1 |
Pages |
3-22 |
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Keywords |
Dairy heifer; Fear; Handling; Stress response; Milk production; Stimulus generalisation |
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This experiment investigated the effects of positive and negative tactile handling on the stress physiology and behaviour of dairy heifers. Forty-eight 5-14-month-old nonlactating Holstein-Friesian heifers were allocated to one of two handling treatments, either positive or negative tactile handling, over four time replicates. Handling was imposed twice daily, 2-5 min per session and involved moving animals individually along a 64 m outdoor route. The negatively handled heifers took longer to approach within 1 and 2 m of a stimulus person in a standard test, than their positively handled counterparts (P<0.001) and had a greater flight distance to an approaching stimulus (P<0.001). The time taken by the heifers to approach within 1 and 2 m of a familiar person was similar to that taken to approach within 1 and 2 m of an unfamiliar person in the standard test (P<0.05). There was a tendency for heifers to have a greater flight distance from the approaching unfamiliar person than from the approaching familiar person (P=0.06). The negatively handled heifers had greater (P<0.05) increases in total cortisol concentrations 5, 10 and 15 min after exposure to a human and had higher (P<0.05) free cortisol concentrations in the afternoon than the positively handled heifers. It is concluded that the nature of the human contact affects the subsequent behavioural response of heifers to humans. This behavioural response may extend to other humans through the process of stimulus generalisation, although there was some evidence of moderate discrimination. Negative handling results in an acute stress response in the presence of humans and also leads to a chronic stress response. Further research into the effect of these stress responses on milk production and welfare in fearful cows in a commercial situation is suggested. |
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0168-1591 |
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Equine Behaviour @ team @ |
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4980 |
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Author |
Lansade, L.; Bertrand, M.; Boivin, X.; Bouissou, M.-F. |
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Title |
Effects of handling at weaning on manageability and reactivity of foals |
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Journal Article |
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2004 |
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Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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87 |
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1-2 |
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131-149 |
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Horse; Handling; Weaning; Manageability; Emotional reactivity; Fearfulness; Human-animal relationship |
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The horse's temperament, including its manageability and reactivity and/or fearfulness, is of importance as it can result in problems and can render horses unsuitable for inexperienced riders. Early experience, including handling during infancy, may influence the horse's adult behaviour and reduce its fear of humans and other potentially frigthening situations. In the various species studied, handling has generally been undertaken during the neonatal period. The aim of the present study was to test the effects of handling young horses around the time of weaning, a period which has been demonstrated to be effective in increasing ease of handling in cattle and goats. Sixteen Anglo-Arab foals were handled for 12 days either immediately following weaning (early handled: EH) or 21 days later (late handled: LH); eight additional non-handled foals served as controls (C). Handling consisted of haltering, gently petting all parts of the body, picking up feet and leading the foal over 120 m. During handling sessions, EH were easier to handle than LH: time taken to fit them with a halter, to pick up feet, and “walk-ratio” (time walking under constraint/total time walking) were significantly lower for EH. During subsequent tests conducted over 2 days, 4, and 7 months, as well as 10 months and to some extent 18 months after the end of handling period, EH and LH were easier to handle and less reactive than controls, although differences diminished with time. The period following weaning can therefore be qualified as an “optimal period” for handling. Some of the effects persist for at least 18 months. |
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refbase @ user @ |
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842 |
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