| Records |
| Author |
Laland, K. N.; van Bergen, Y |
| Title |
Experimental studies of innovation in the guppy |
Type |
Journal Article |
| Year |
2003 |
Publication |
Animal Innovation |
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Issue |
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Pages |
155-174 |
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Oxford University Press |
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Ox |
Editor |
S. M. Reader and K. N. Laland |
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Equine Behaviour @ team @ |
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6537 |
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| Author |
Greenberg, R. |
| Title |
The role of neophobia and neophilia in the development of innovative behavour in birds |
Type |
Book Chapter |
| Year |
2003 |
Publication |
Animal Innovation |
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Oxford University Press |
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Oxford |
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S. M. Reader and K. N. Laland |
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no |
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Equine Behaviour @ team @ |
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6547 |
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| Author |
Reader, S. M.; MacDonald, K. |
| Title |
Environmental variability and primate behavioural flexibiity |
Type |
Book Chapter |
| Year |
2003 |
Publication |
Animal Innovation |
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Issue |
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Pages |
83-116 |
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Oxford University Press |
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Oxford |
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Reader, S. M.; Laland, K. L. |
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no |
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Equine Behaviour @ team @ |
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6548 |
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| Author |
Young, R.J. |
| Title |
Environmental Enrichment for Captive Animals |
Type |
Book Whole |
| Year |
2003 |
Publication |
Wiley Interdiscip Rev Cogn Sci |
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Environmental enrichment is a simple and effective means of improving animal welfare in any species – companion, farm, laboratory and zoo. For many years, it has been a popular area of research, and has attracted the attention and concerns of animal keepers and carers, animal industry professionals, academics, students and pet owners all over the world. |
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Equine Behaviour @ team @ |
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6596 |
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| Author |
Haidn, B.; Berger, N |
| Title |
Arbeitszeitbedarf für die Pensionspferdehaltung in landwirt-schaftlichen Betrieben |
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Journal Article |
| Year |
2003 |
Publication |
Tagungsband 6, Vechta 25.-27. März 2003 |
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Tagung: Bau, Technik und Umwelt in der landwirtsch |
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Pages |
386 -391 |
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KTBL-Schriften |
Place of Publication |
Münster-Hiltrup |
Editor |
KTBL |
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no |
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Equine Behaviour @ team @ |
Serial |
6640 |
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| Author |
Weaver, A.; de Waal, F.B.M. |
| Title |
The mother-offspring relationship as a template in social development: reconciliation in captive brown capuchins (Cebus apella) |
Type |
Journal Article |
| Year |
2003 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
| Volume |
117 |
Issue |
1 |
Pages |
101-110 |
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*Adaptation, Psychological; Animals; Behavior, Animal/*physiology; Cebus; Conflict (Psychology); Female; Male; *Maternal Behavior; Pilot Projects; *Social Behavior; Statistics, Nonparametric |
| Abstract |
Mother-offspring (MO) relationship quality was investigated to determine its influence on the development of reconciliation--affiliation between opponents shortly after a fight--because it influenceswhat distressed youngsters learn about calming down. Data were longitudinal and cross-sectional observational samples of 38 MO pairs of monkeys across 24 months. An MO relationship quality index (RQI) classified each pair as secure or insecure. Reconciliation emerged in infancy.Secure youngsters had an appeasing conciliatory style, and insecure youngsters had an agitated conciliatory style. Conclusions are that reconciliation develops from the attachment behavior system and MO RQI is related to the particular conciliatory style youngsters develop by affecting how aroused they are by conflict and the subsequent socializing they seek to calm down. |
| Address |
Living Links, Yerkes Primate Center and Psychology Department, Emory University, Atlanta, Georgia 30322, USA. dazzlingdolphins@cox.net |
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English |
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0735-7036 |
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| Notes |
PMID:12735370 |
Approved |
no |
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refbase @ user @ |
Serial |
180 |
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| Author |
Nicol, C.J.; Potzsch, C.; Lewis, K.; Green, L.E. |
| Title |
Matched concurrent case-control study of risk factors for feather pecking in hens on free-range commercial farms in the UK |
Type |
Journal Article |
| Year |
2003 |
Publication |
British poultry science |
Abbreviated Journal |
Br Poult Sci |
| Volume |
44 |
Issue |
4 |
Pages |
515-523 |
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*Aggression; Analysis of Variance; Animal Husbandry/methods; Animals; Case-Control Studies; Chickens/*physiology; Feathers; Female; Multivariate Analysis; Odds Ratio; Regression Analysis; Species Specificity |
| Abstract |
1. The aim of the study was to compare the management and husbandry of free-range flocks in the UK where feather pecking was either present (case) or absent (control). 2. One hundred flocks were enrolled into a concurrent case-control study: 50 where birds had recently started feather pecking, and 50 matched control flocks where birds of the same age had not started feather pecking. 3. Information was obtained from a detailed interview with the flock manager, and by direct inspection of the flock, house and range. 4. Initial univariate analyses revealed that case flocks were more likely to comprise ISA Brown than Lohmann, were more likely to be restricted from litter areas to prevent floor eggs, and were less likely to use the outside range. 5. Cluster analysis indicated that feather pecking was not associated with any particular husbandry system. 6. The only influential risk factor significant in the multivariable conditional logistic regression analysis was use of the outdoor range. The risk of feather pecking was reduced 9-fold in flocks where more than 20% of birds used the range on sunny days (odds ratio = 0.12). Use of the range was positively associated with the presence of trees and/or hedges on the range. |
| Address |
Department of Clinical Veterinary Science, University of Bristol, England. c.j.nicol@bris.ac.uk |
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English |
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0007-1668 |
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| Notes |
PMID:14584840 |
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no |
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refbase @ user @ |
Serial |
79 |
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| Author |
Toro, J.M.; Trobalon, J.B.; Sebastian-Galles, N. |
| Title |
The use of prosodic cues in language discrimination tasks by rats |
Type |
Journal Article |
| Year |
2003 |
Publication |
Animal Cognition |
Abbreviated Journal |
Anim. Cogn. |
| Volume |
6 |
Issue |
2 |
Pages |
131-136 |
| Keywords |
*Animal Communication; Animals; *Discrimination Learning; Female; *Language; Male; Periodicity; Rats; Rats, Long-Evans; Speech Perception |
| Abstract |
Recent research with cotton-top tamarin monkeys has revealed language discrimination abilities similar to those found in human infants, demonstrating that these perceptual abilities are not unique to humans but are also present in non-human primates. Specifically, tamarins could discriminate forward but not backward sentences of Dutch from Japanese, using both natural and synthesized utterances. The present study was designed as a conceptual replication of the work on tamarins. Results show that rats trained in a discrimination learning task readily discriminate forward, but not backward sentences of Dutch from Japanese; the results are particularly robust for synthetic utterances, a pattern that shows greater parallels with newborns than with tamarins. Our results extend the claims made in the research with tamarins that the capacity to discriminate languages from different rhythmic classes depends on general perceptual abilities that evolved at least as far back as the rodents. |
| Address |
SPPB, Departament de Psicologia Basica, Universitat de Barcelona, Passeig de la Vall d'Hebron, 171, 08035 Barcelona, Spain. jmtoro@psi.ub.es |
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English |
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1435-9448 |
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PMID:12728358 |
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no |
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Equine Behaviour @ team @ |
Serial |
2571 |
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| Author |
Stoinski, T.S.; Whiten, A. |
| Title |
Social learning by orangutans (Pongo abelii and Pongo pygmaeus) in a simulated food-processing task |
Type |
Journal Article |
| Year |
2003 |
Publication |
Journal of comparative psychology (Washington, D.C. : 1983) |
Abbreviated Journal |
J Comp Psychol |
| Volume |
117 |
Issue |
3 |
Pages |
272-282 |
| Keywords |
*Animal Communication; Animals; *Feeding Behavior; Female; *Imitative Behavior; Male; Pongo pygmaeus/*psychology; Problem Solving; Psychomotor Performance; Social Environment; Species Specificity; *Transfer (Psychology) |
| Abstract |
Increasing evidence for behavioral differences between populations of primates has created a resurgence of interest in examining mechanisms of information transfer between individuals. The authors examined the social transmission of information in 15 captive orangutans (Pongo abelii and Pongo pygmaeus) using a simulated food-processing task. Experimental subjects were shown 1 of 2 methods for removing a suite of defenses on an “artificial fruit.” Control subjects were given no prior exposure before interacting with the fruit. Observing a model provided a functional advantage in the task, as significantly more experimental than control subjects opened the fruit. Within the experimental groups, the authors found a trend toward differences in the actual behaviors used to remove 1 of the defenses. Results support observations from the wild implying horizontal transfer of information in orangutans and show that a number of social learning processes are likely to be involved in the transfer of knowledge in this species. |
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Department of Primate Research, Zoo Atlanta, Atlanta, GA 30315, USA. tstoinski@zooatlanta.org |
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0735-7036 |
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PMID:14498803 |
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no |
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refbase @ user @ |
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737 |
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| Author |
Brilot, B.O.; Johnstone, R.A. |
| Title |
The limits to cost-free signalling of need between relatives |
Type |
Journal Article |
| Year |
2003 |
Publication |
Proceedings. Biological sciences / The Royal Society |
Abbreviated Journal |
Proc Biol Sci |
| Volume |
270 |
Issue |
1519 |
Pages |
1055-1060 |
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*Animal Communication; Animals; Birds/physiology; Models, Biological; *Social Behavior |
| Abstract |
Theoretical models have demonstrated the possibility of stable cost-free signalling of need between relatives. The stability of these cost-free equilibria depends on the indirect fitness cost of cheating and deceiving a donor into giving away resources. We show that this stability is highly sensitive to the distribution of need among signallers and receivers. In particular, cost-free signalling is likely to prove stable only if there is very large variation in need (such that the least-needy individuals stand to gain much less than the most-needy individuals from additional resources). We discuss whether these conditions are likely to be found in altricial avian breeding systems--the most intensively studied instance of signalling of need between relatives. We suggest that cost-free signalling is more likely to prove stable and will provide parents with more information during the earlier phases of chick growth, when parents can more easily meet the demands of a brood (and chicks are more likely to reach satiation). Later, informative yet cost-free signalling is unlikely to persist. |
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Department of Zoology, University of Cambridge, Downing Street, Cambridge CB2 3EJ, UK. bob21@cam.ac.uk |
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English |
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0962-8452 |
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| Notes |
PMID:12803895 |
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no |
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refbase @ user @ |
Serial |
558 |
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