| Records |
| Author |
Waran, N.; McGreevy, P.; Casey, R. |
| Title |
Training Methods and Horse Welfare |
Type |
Book Chapter |
| Year |
2002 |
Publication  |
The Welfare of Horses |
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Issue |
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Pages |
151-180 |
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| Abstract |
Many aspects of horse care and handling are based upon convenience and traditional practices. Many of these methods of management and practice do not take into account the natural behaviour of horses. This is despite the belief that although domestic horses are probably more docile, stronger, faster growing and faster moving than their ancestors, they are unlikely to have lost any natural behaviours. The performance or sport horse is expected to perform a wide variety of movements and tasks, some of which are unnatural or exaggerated and most of which must be learned. The term “training” is commonly used to describe the processes whereby the human handler introduces the horse to new situations and associations. Performance horses are often required to tolerate stimuli that are innately aversive or threatening, such as having a person on their backs. They are also trained to respond to a stimulus with often unnatural or over-emphasised behaviour, such as some of the dressage movements. Effective and humane training requires an understanding of the processes underlying behaviour. These include knowledge of behaviour under natural conditions, learning processes, the influence of early experience and motivational forces. Horses differ from the other main companion animal species, namely cats and dogs, in that they are a prey species. They most commonly flee from dangerous and painful situations. Horses readily learn to avoid potentially threatening situations and if their attempts to avoid associated stimuli are prevented, they will often exhibit problem behaviours. In this chapter the history of horse training, the application of learning theory and a knowledge of equine behaviour to training, and innovative training methods are all considered. |
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Equine Behaviour @ team @ |
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4380 |
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| Author |
Evans, D. |
| Title |
Welfare of the Racehorse During Exercise Training and Racing |
Type |
Book Chapter |
| Year |
2002 |
Publication |
The Welfare of Horses |
Abbreviated Journal |
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Issue |
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Pages |
181-201 |
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| Abstract |
The welfare of horses in training for racing and competition can be compromised by errors of management of many processes. Lameness is usually identified, as the major problem facing horse trainers and high lameness rates in racehorses is a major welfare concern. Recent epidemiological studies have shed light on important environmental risk factors for lameness and catastrophic incidents during training and racing. Another important threat to the welfare of the athletic horse is failure of appropriate preparation of the horse for competition, resulting in earlier fatigue during a race. Fatigue during racing causes sub-optimal performance, increases the likelihood of injury and, in prolonged exercise contributes to exhaustion and even death. Failure to allow appropriate recovery periods after episodes of training and competition also contributes to a state of chronic fatigue. Trainers recognise that affected horses (or “stale” horses) often have mood disturbances and are reluctant to exercise. Continued excessive training and inadequate recovery (termed, over-training) can result in weight loss and poor performance that is not reversed by short-term recovery periods. In events involving prolonged exercise, the performance and welfare of the horse are compromised by inappropriate fluid balance before and during exercise. Failure to properly prepare and maintain fluid balance of endurance horses results in a severe threat to welfare. Pronounced dehydration and hyperthermia can result in exhaustion and death. |
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Equine Behaviour @ team @ |
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4381 |
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| Author |
Wilson, R. |
| Title |
Specific Welfare Problems Associated with Working Horses |
Type |
Book Chapter |
| Year |
2002 |
Publication |
The Welfare of Horses |
Abbreviated Journal |
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Issue |
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Pages |
203-218 |
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A brief review of the history and uses of workhorses is provided as well as numbers and distributions of working equines at the beginning of the twenty-first century. The problems of using the correct harness and correct alignment of horse and equipment through the harness are considered and care of the feet and especially the necessity of correct shoeing for both welfare and maximum work are discussed. The nutritional needs of working equines in terms of energy, protein, minerals and vitamins and the importance of good health and prevention and management of disease, are examined. Relationships between the animal and his owner or handler and some legal aspects of improving welfare are covered and it is concluded that education of these owners/handlers is essential for improving the welfare of working equids in developing countries. |
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Equine Behaviour @ team @ |
Serial |
4382 |
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Nicol, C.J.; Davidson, H.P.D.; Harris, P.A.; Waters, A.J.; Wilson, A.D. |
| Title |
Study of crib-biting and gastric inflammation and ulceration in young horses |
Type |
Journal Article |
| Year |
2002 |
Publication |
The Veterinary record |
Abbreviated Journal |
Vet. Rec. |
| Volume |
151 |
Issue |
22 |
Pages |
658-662 |
| Keywords |
Animal Husbandry/methods; Animals; Antacids/therapeutic use; *Behavior, Animal; Diet/veterinary; Endoscopy, Gastrointestinal/veterinary; Feces/chemistry; Female; Gastritis/diet therapy/physiopathology/*veterinary; Horse Diseases/diet therapy/*physiopathology/psychology; Horses; Hydrogen-Ion Concentration; Male; Random Allocation; Stereotyped Behavior/*physiology; Stomach Ulcer/diet therapy/physiopathology/*veterinary; Treatment Outcome; Weaning |
| Abstract |
Nineteen young horses that had recently started to perform the stereotypy of crib-biting were compared with 16 non-stereotypic horses for 14 weeks. After initial observations of their behaviour and an endoscopic examination of the condition of their stomachs, the horses were randomly allocated to a control or an antacid diet At the start of the trial, the stomachs of the crib-biting foals were significantly more ulcerated and inflamed than the stomachs of the normal foals. In addition, the faecal pH of the crib-biting foals (6.05) was significantly lower than that of the normal foals (6.58). The antacid diet resulted in a significant improvement in the condition of the horses' stomachs. The crib-biting behaviour declined in most of the foals, regardless of their diet, but tended to decline to a greater extent in the foals on the antacid diet. |
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Department of Clinical Veterinary Science, University of Bristol, Langford House, Bristol BS40 5DU |
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English |
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0042-4900 |
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PMID:12498408 |
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no |
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refbase @ user @ |
Serial |
83 |
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Fischer, J.; Hammerschmidt, K.; Cheney, D.L.; Seyfarth, R.M. |
| Title |
Acoustic features of male baboon loud calls: influences of context, age, and individuality |
Type |
Journal Article |
| Year |
2002 |
Publication |
The Journal of the Acoustical Society of America |
Abbreviated Journal |
J Acoust Soc Am |
| Volume |
111 |
Issue |
3 |
Pages |
1465-1474 |
| Keywords |
Age Factors; Animal Communication; Animals; Individuality; Male; *Papio; *Social Environment; *Sound Spectrography; *Vocalization, Animal |
| Abstract |
The acoustic structure of loud calls (“wahoos”) recorded from free-ranging male baboons (Papio cynocephalus ursinus) in the Moremi Game Reserve, Botswana, was examined for differences between and within contexts, using calls given in response to predators (alarm wahoos), during male contests (contest wahoos), and when a male had become separated from the group (contact wahoos). Calls were recorded from adolescent, subadult, and adult males. In addition, male alarm calls were compared with those recorded from females. Despite their superficial acoustic similarity, the analysis revealed a number of significant differences between alarm, contest, and contact wahoos. Contest wahoos are given at a much higher rate, exhibit lower frequency characteristics, have a longer “hoo” duration, and a relatively louder “hoo” portion than alarm wahoos. Contact wahoos are acoustically similar to contest wahoos, but are given at a much lower rate. Both alarm and contest wahoos also exhibit significant differences among individuals. Some of the acoustic features that vary in relation to age and sex presumably reflect differences in body size, whereas others are possibly related to male stamina and endurance. The finding that calls serving markedly different functions constitute variants of the same general call type suggests that the vocal production in nonhuman primates is evolutionarily constrained. |
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Department of Psychology, University of Pennsylvania, Philadelphia 19104, USA. fischer@eva.mpg.de |
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English |
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0001-4966 |
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PMID:11931324 |
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no |
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refbase @ user @ |
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691 |
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| Author |
Zentall, T.R. |
| Title |
A cognitive behaviorist approach to the study of animal behavior |
Type |
Journal Article |
| Year |
2002 |
Publication |
The Journal of general psychology |
Abbreviated Journal |
J Gen Psychol |
| Volume |
129 |
Issue |
4 |
Pages |
328-363 |
| Keywords |
Animals; *Attention; *Behavior, Animal; *Cognition; Learning; *Memory; Social Behavior |
| Abstract |
Traditional psychological approaches to animal learning and behavior have involved either the atheoretical behaviorist approach proposed by B. F. Skinner (1938), in which input-output relations are described in response to environmental manipulations, or the theoretical behaviorist approach offered by C. L Hull (1943), in which associations mediated by several hypothetical constructs and intervening variables are formed between stimuli and responses. Recently, the application of a cognitive behaviorist approach to animal learning and behavior has been found to have considerable value as a research tool. This perspective has grown out of E. C. Tolman's cognitive approach to learning in which behavior is mediated by mechanisms that are not directly observable but can be inferred from the results of critical experiments. In the present article, the author presents several examples of the successful application of the cognitive behaviorist approach. In each case, the experiments have been designed to distinguish between more traditional mechanisms and those mediated by hypothesized internal representations. These examples were selected because the evidence suggests that some form of active cognitive organization is needed to account for the behavioral results. |
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Department of Psychology, University of Kentucky, Lexington 40506, USA. Zentall@uky.edu |
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English |
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0022-1309 |
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PMID:12494989 |
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no |
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refbase @ user @ |
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214 |
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| Author |
Powers, P.; Harrison, A. |
| Title |
Effects of the rider on the linear kinematics of jumping horses |
Type |
Journal Article |
| Year |
2002 |
Publication |
Sports Biomechanics / International Society of Biomechanics in Sports |
Abbreviated Journal |
Sports Biomech |
| Volume |
1 |
Issue |
2 |
Pages |
135-146 |
| Keywords |
Animals; Behavior, Animal/*physiology; Biomechanics; Communication; Exertion/*physiology; Gait/*physiology; Horses/*physiology; Humans; Locomotion/*physiology; Posture/*physiology; Task Performance and Analysis; Video Recording; Weight-Bearing/*physiology |
| Abstract |
This study examined the effects of the rider on the linear projectile kinematics of show-jumping horses. SVHS video recordings (50 Hz) of eight horses jumping a vertical fence 1 m high were used for the study. Horses jumped the fence under two conditions: loose (no rider or tack) and ridden. Recordings were digitised using Peak Motus. After digitising the sequences, each rider's digitised data were removed from the ridden horse data so that three conditions were examined: loose, ridden (including the rider's data) and riderless (rider's data removed). Repeated measures ANOVA revealed significant differences between ridden and loose conditions for CG height at take-off (p < 0.001), CG distance to the fence at take-off (p = 0.001), maximum CG during the suspension phase (p < 0.001), CG position over the centre of the fence (p < 0.001), CG height at landing (p < 0.001), and vertical velocity at take-off (p < 0.001). The results indicated that the rider's effect on jumping horses was primarily due to behavioural changes in the horses motion (resulting from the rider's instruction), rather than inertial effects (due to the positioning of the rider on the horse). These findings have implications for the coaching of riders and horses. |
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Department of PE and Sports Sciences, University of Limerick, Limerick, Ireland |
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English |
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1476-3141 |
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PMID:14658371 |
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1904 |
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Katherine Faust; John Skvoretz |
| Title |
Comparing Networks Across Space and Time, Size and Species |
Type |
Journal Article |
| Year |
2002 |
Publication |
Sociological Methodology |
Abbreviated Journal |
Socio Meth |
| Volume |
32 |
Issue |
1 |
Pages |
267-299 |
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We describe and illustrate methodology for comparing networks from diverse settings. Our empirical base consists of 42 networks from four kinds of species (humans, nonhuman primates, nonprimate mammals, and birds) and covering distinct types of relations such as influence, grooming, and agonistic encounters. The general problem is to determine whether networks are similarly structured despite their surface differences. The methodology we propose is generally applicable to the characterization and comparison of network2013level social structures across multiple settings, such as different organizations, communities, or social groups, and to the examination of sources of variability in network structure. We first fit a p* model (Wasserman and Pattison 1996) to each network to obtain estimates for effects of six structural properties on the probability of the graph. We then calculate predicted tie probabilities for each network, using both its own parameter estimates and the estimates from every other network in the collection. Comparison is based on the similarity between sets of predicted tie probabilities. We then use correspondence analysis to represent the similarities among all 42 networks and interpret the resulting configuration using information about the species and relations involved. Results show that similarities among the networks are due more to the kind of relation than to the kind of animal. |
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University of California, Irvine, ; University of South Carolina |
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American Sociological Association 2002 |
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Equine Behaviour @ team @ |
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5001 |
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| Author |
Rogers, L.J. |
| Title |
Evolution of Side Biases: Motor versus Sensory Lateralization |
Type |
Book Chapter |
| Year |
2002 |
Publication |
Side Bias: A Neuropsychological Perspective |
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Pages |
3-40-40 |
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Medicine & Public Health |
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Springer Netherlands |
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Mandal, M.K.; Bulman-Fleming, M.B.; Tiwari, G. |
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978-0-306-46884-1 |
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Equine Behaviour @ team @ |
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5357 |
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Hare, B.; Brown, M.; Williamson, C.; Tomasello, M. |
| Title |
The domestication of social cognition in dogs |
Type |
Journal Article |
| Year |
2002 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
298 |
Issue |
5598 |
Pages |
1634-1636 |
| Keywords |
Animals; *Animals, Domestic; *Behavior, Animal; *Cognition; *Cues; *Dogs; Food; Humans; Memory; Pan troglodytes; *Social Behavior; Species Specificity; Vision; Wolves |
| Abstract |
Dogs are more skillful than great apes at a number of tasks in which they must read human communicative signals indicating the location of hidden food. In this study, we found that wolves who were raised by humans do not show these same skills, whereas domestic dog puppies only a few weeks old, even those that have had little human contact, do show these skills. These findings suggest that during the process of domestication, dogs have been selected for a set of social-cognitive abilities that enable them to communicate with humans in unique ways. |
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Department of Anthropology, Harvard University, Cambridge, MA 02138, USA. bhare@fas.harvard.edu |
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1095-9203 |
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PMID:12446914 |
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refbase @ user @ |
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595 |
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