| Records |
| Author |
Waters, A.J.; Nicol, C.J.; French, N.P. |
| Title |
Factors influencing the development of stereotypic and redirected behaviours in young horses: findings of a four year prospective epidemiological study |
Type |
Journal Article |
| Year |
2002 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
34 |
Issue |
6 |
Pages |
572-579 |
| Keywords |
Age Factors; Animal Husbandry/*methods; Animal Welfare; Animals; *Behavior, Animal; Female; Horse Diseases/epidemiology/prevention & control/*psychology; Horses; Housing, Animal; Longitudinal Studies; Male; Prevalence; Prospective Studies; Risk Factors; *Stereotyped Behavior; Weaning |
| Abstract |
Stereotypies are invariant and repetitive behaviour patterns that seemingly have no function, which tend to develop in captive animals faced with insoluble problems and may be indicative of reduced welfare. A 4 year prospective study of the factors influencing the development of stereotypic and redirected behaviours (abnormal behaviour) in a population of 225 young Thoroughbred and part-Thoroughbred horses was conducted between 1995 and 1999. Abnormal behaviour affected 34.7% of the population. Multivariable analysis showed that foals of low- or middle-ranking mares were less likely to develop abnormal behaviour than foals of dominant mares (rate ratio (RR) 0.23, P<0.01; RR 0.48, P<0.01, respectively). Weaning by confinement in a stable or barn was associated with an increased rate of development of abnormal behaviour, compared with paddock-weaning (RR 2.19, P<0.05), and housing in barns, rather than at grass after weaning, was associated with a further increase (RR 2.54, P<0.01). Specific stereotypic and redirected behaviours were then considered as separate outcomes. Crib-biting was initiated by 10.5% of horses at median age 20 weeks, weaving by 4.6% of horses at median age 60 weeks, box-walking by 2.3% of horses at median age 64 weeks and wood-chewing by 30.3% of horses at median age 30 weeks. Wood-chewing developed at a lower rate in horses born to subordinate or mid-ranking mares than in horses born to dominant mares (RR 0.29, P<0.01; RR 0.41, P<0.01, respectively), and at a higher rate in horses kept in barns or stables rather than at grass after weaning (RR 4.49, P<0.001; RR 1A6, P<0.001, respectively). Feeding concentrates after weaning was associated with a 4-fold increase in the rate of development of crib-biting (RR 4.12, P = 0.02). The results of this study support the idea that simple changes in feeding, housing and weaning practices could substantially lower the incidence of abnormal behaviour in young horses. |
| Address |
University of Bristol, Department of Clinical Veterinary Science, Langford, Bristol, UK |
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English |
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| ISSN |
0425-1644 |
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| Notes |
PMID:12357996 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
84 |
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| Author |
Weaver, A.; de Waal, F.B.M. |
| Title |
An index of relationship quality based on attachment theory |
Type |
Journal Article |
| Year |
2002 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
| Volume |
116 |
Issue |
1 |
Pages |
93-106 |
| Keywords |
Analysis of Variance; Animals; *Behavior, Animal; Female; Male; *Maternal Behavior; *Object Attachment; Pan troglodytes/*psychology; Pilot Projects |
| Abstract |
Two measures are reported of the nature or quality of a mother-offspring (MO) relationship during development using brown capuchin monkeys (Cebus apella) as models. One is a qualitative classification of MO relationships as secure, resistant, or avoidant attachments. The other is an empirical ratio of relative affiliation to agonism called the MO relationship quality, or MORQ, Index. The two methods tapped similar relationship features so relationships high or low of a median split of MORQ values were heuristically labeled secure (n = 22) or insecure (n = 16), respectively. A comparison revealed extensive behavioral differences between secure and insecure MO relationships and suggested MORQ provided an objective, continuous measure of attachment security. |
| Address |
Yerkes Regional Primate Research Center, Emory University, USA. achweaver@att.net |
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English |
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| ISSN |
0735-7036 |
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| Notes |
PMID:11930937 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
183 |
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| Author |
Weir, A.A.S.; Chappell, J.; Kacelnik, A. |
| Title |
Shaping of hooks in New Caledonian crows |
Type |
Journal Article |
| Year |
2002 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
297 |
Issue |
5583 |
Pages |
981 |
| Keywords |
Animals; *Behavior, Animal; *Cognition; Female; Male; Songbirds/*physiology |
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| Address |
Department of Zoology, South Parks Road, Oxford OX1 3PS, UK |
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English |
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| ISSN |
1095-9203 |
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| Notes |
PMID:12169726 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2842 |
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| Author |
Whiten, A.; Boesch, C. |
| Title |
The cultures of chimpanzees |
Type |
Journal Article |
| Year |
2001 |
Publication |
Scientific American |
Abbreviated Journal |
Sci Am |
| Volume |
284 |
Issue |
1 |
Pages |
60-67 |
| Keywords |
Animals; *Behavior, Animal; Culture; Feeding Behavior; Grooming; Hominidae; Humans; Pan troglodytes/*physiology |
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| Address |
University of St. Andrews |
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English |
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| ISSN |
0036-8733 |
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| Notes |
PMID:11132425 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
740 |
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| Author |
Whiten, A.; McGrew, W.C. |
| Title |
Is this the first portrayal of tool use by a chimp? |
Type |
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| Year |
2001 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
409 |
Issue |
6816 |
Pages |
12 |
| Keywords |
Animals; *Behavior, Animal; Pan troglodytes/*physiology; Philately |
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English |
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Edition |
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| ISSN |
0028-0836 |
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| Notes |
PMID:11343083 |
Approved |
no |
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refbase @ user @ |
Serial |
739 |
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| Author |
Whiten, A.; Goodall, J.; McGrew, W.C.; Nishida, T.; Reynolds, V.; Sugiyama, Y.; Tutin, C.E.; Wrangham, R.W.; Boesch, C. |
| Title |
Cultures in chimpanzees |
Type |
Journal Article |
| Year |
1999 |
Publication |
Nature |
Abbreviated Journal |
Nature |
| Volume |
399 |
Issue |
6737 |
Pages |
682-685 |
| Keywords |
Animals; *Behavior, Animal; Cognition; *Culture; Humans; Pan troglodytes/*physiology; Species Specificity |
| Abstract |
As an increasing number of field studies of chimpanzees (Pan troglodytes) have achieved long-term status across Africa, differences in the behavioural repertoires described have become apparent that suggest there is significant cultural variation. Here we present a systematic synthesis of this information from the seven most long-term studies, which together have accumulated 151 years of chimpanzee observation. This comprehensive analysis reveals patterns of variation that are far more extensive than have previously been documented for any animal species except humans. We find that 39 different behaviour patterns, including tool usage, grooming and courtship behaviours, are customary or habitual in some communities but are absent in others where ecological explanations have been discounted. Among mammalian and avian species, cultural variation has previously been identified only for single behaviour patterns, such as the local dialects of song-birds. The extensive, multiple variations now documented for chimpanzees are thus without parallel. Moreover, the combined repertoire of these behaviour patterns in each chimpanzee community is itself highly distinctive, a phenomenon characteristic of human cultures but previously unrecognised in non-human species. |
| Address |
Scottish Primate Research Group, School of Psychology, University of St Andrews, UK |
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English |
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0028-0836 |
ISBN |
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Conference |
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| Notes |
PMID:10385119 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
742 |
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| Author |
Williams, J.L.; Friend, T.H.; Collins, M.N.; Toscano, M.J.; Sisto-Burt, A.; Nevill, C.H. |
| Title |
Effects of imprint training procedure at birth on the reactions of foals at age six months |
Type |
Journal Article |
| Year |
2003 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
35 |
Issue |
2 |
Pages |
127-132 |
| Keywords |
Age Factors; Animal Husbandry/methods; Animals; Animals, Newborn/*psychology; *Behavior, Animal; *Bonding, Human-Pet; Female; Handling (Psychology); Horses/*psychology; Humans; *Imprinting (Psychology); Male; Random Allocation; Socialization; Time Factors |
| Abstract |
REASONS FOR PERFORMING STUDY: While imprint training procedures have been promoted in popular magazines, they have received limited scientific investigation. OBJECTIVES: To determine the effects of a neonatal imprint training procedure on 6-month-old foals and to determine if any one session had a greater effect than others. METHODS: Foals (n = 131) were divided into the following treatments: no imprint training, imprint training at birth, 12, 24 and 48 h after birth or imprint training only at birth, 12, 24, 48, or 72 h after birth. Foals then received minimal human handling until they were tested at 6 months. RESULTS: During training, time to complete exposure to the stimulus was significant for only 2 of 6 stimuli. Percentage change in baseline heart rate was significant for only 2 of 10 stimuli. These 4 effects were randomly spread across treatments. CONCLUSIONS: Neither the number of imprint training sessions (0, 1, or 4) nor the timing of imprint training sessions (none, birth, 12, 24, 48, or 72 h after birth) influenced the foal's behaviour at 6 months of age. POTENTIAL CLINICAL RELEVANCE: In this study, imprint training did not result in better behaved, less reactive foals. |
| Address |
Department of Animal Science, 2471 TAMUS, Texas A&M University College Station, Texas 77845-2471, USA |
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English |
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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:12638787 |
Approved |
no |
| Call Number |
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Serial |
1908 |
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| Author |
Williams, N. |
| Title |
Evolutionary psychologists look for roots of cognition |
Type |
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| Year |
1997 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
275 |
Issue |
5296 |
Pages |
29-30 |
| Keywords |
Animals; *Behavior, Animal; Birds; *Cognition; *Evolution; Female; Humans; Macaca mulatta/psychology; Male; Memory; Reward; *Social Sciences |
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English |
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0036-8075 |
ISBN |
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Conference |
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| Notes |
PMID:8999531 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2845 |
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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. |
| Address |
Department of Psychology, University of Kentucky, Lexington 40506, USA. Zentall@uky.edu |
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English |
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0022-1309 |
ISBN |
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Conference |
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| Notes |
PMID:12494989 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
214 |
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| Author |
Zentall, T.R. |
| Title |
Selective and divided attention in animals |
Type |
Journal Article |
| Year |
2005 |
Publication |
Behavioural processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
69 |
Issue |
1 |
Pages |
1-15 |
| Keywords |
Animals; *Attention; *Behavior, Animal; *Discrimination (Psychology); *Field Dependence-Independence; *Psychological Theory |
| Abstract |
This article reviews some of the research on attentional processes in animals. In the traditional approach to selective attention, it is proposed that in addition to specific response attachments, animals also learn something about the dimension along which the stimuli fall (e.g., hue, brightness, or line orientation). More recently, there has been an attempt to find animal analogs to methodologies originally applied to research with humans. One line of research has been directed to the question of whether animals can locate a target among distracters faster if they are prepared for the presentation of the target (search image and priming). In the study of search image, the target is typically a food item and the cue consists of previous trials on which the same target is presented. In research on priming effects, the cue is typically different from the target but is a good predictor of its occurrence. The study of preattentive processes shows that perceptually, certain stimuli stand out from distracters better than others, depending not only on characteristics of the target relative to the distracters, but also on relations among the distracters. Research on divided attention is examined with the goal of determining whether an animal can process two elements of a compound sample with the same efficiency as one. Taken together, the reviewed research indicates that animals are capable of centrally (not just peripherally) attending to selective aspects of a stimulus display. |
| Address |
Department of Psychology, University of Kentucky, 202B Kastle Hall, Lexington, KY 40506-0044, USA. Zentall@uky.edu |
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English |
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Edition |
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0376-6357 |
ISBN |
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Expedition |
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Conference |
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| Notes |
PMID:15795066 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
224 |
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