| Records |
| Author |
Murphy, L.B. |
| Title |
The practical problems of recognizing and measuring fear and exploration behaviour in the domestic fowl |
Type |
Journal Article |
| Year |
1978 |
Publication |
Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
| Volume |
26, Part 2 |
Issue |
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Pages |
422-431 |
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| Abstract |
In studying behaviour supposedly motivated by fear or by exploration, consideration should be given to the biological functions of these two systems and to the ways in which the experimental environment may affect the performance of ‘natural’ responses. Extreme caution is needed in comparing the effectiveness of different stimuli and the amounts of fear or exploration represented by different responses. In particular, it should never be assumed when making such comparisons that the relative intensities of different stimuli and responses are constant. |
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| ISSN |
0003-3472 |
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Equine Behaviour @ team @ |
Serial  |
5640 |
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| Author |
Young, T.; Creighton, E.; Smith, T.; Hosie, C. |
| Title |
A novel scale of behavioural indicators of stress for use with domestic horses |
Type |
Journal Article |
| Year |
2012 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
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| Volume |
140 |
Issue |
1–2 |
Pages |
33-43 |
| Keywords |
Horse; Behaviour scores; Cortisol; Saliva; Welfare assessment; Non-invasive |
| Abstract |
Behaviour scores (BS) offer non-invasive, objective and easy to use ways of assessing welfare in animals. Their development has, however, largely focused on behavioural reactions to stressful events (often induced), and little use of physiological measures has been made to underpin and validate the behavioural measures. This study aimed to develop a physiologically validated scale of behavioural indicators of stress for the purpose of welfare assessment in stabled domestic horses. To achieve this, behavioural and physiological data were collected from 32 horses that underwent routine husbandry procedures. Principal component analysis (PCA) of the behavioural and physiological data revealed three meaningful components that were used as the basis of the scale. Analysis of video clips of the horses’ responses to the husbandry procedures was undertaken by a panel of equestrian industry professionals using a free choice profiling (FCP) methodology. These results were added to the scale along with key definitions from relevant literature. Salivary cortisol levels were significantly correlated with the BS confirming the scale was meaningful and reflected physiological stress. The scale offers an easy to use ‘tool’ for rapid, reliable non-invasive welfare assessment in horses, and reduces the need for potentially invasive physiological measures. |
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| ISSN |
0168-1591 |
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Equine Behaviour @ team @ |
Serial |
5637 |
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| Author |
Hanggi, E.B.; Ingersoll, J.F. |
| Title |
Lateral vision in horses: A behavioral investigation |
Type |
Journal Article |
| Year |
2012 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
91 |
Issue |
1 |
Pages |
70-76 |
| Keywords |
Lateral vision; Horse; Equine; Stimulus discrimination; Field of view; Peripheral |
| Abstract |
This study investigated lateral vision in horses (Equus caballus) for the first time from a behavioral point of view. Three horses were tested using a novel experimental design to determine the range of their lateral and caudolateral vision with respect to stimulus detection and discrimination. Real-life stimuli were presented along a curvilinear wall in one of four different positions (A, B, C, D) and one of two height locations (Top, Bottom) on both sides of the horse. To test for stimulus detection, the correct stimulus was paired against a control; for stimulus discrimination, the correct stimulus was paired against another object. To indicate that the correct stimulus was detected or discriminated, the horses pushed one of two paddles. All horses scored significantly above chance on stimulus detection trials regardless of stimulus position or location. They also accurately discriminated between stimuli when objects appeared in positions A, B, and C for the top or bottom locations; however, they failed to discriminate these stimuli at position D. This study supports physiological descriptions of the equine eye and provides new behavioral data showing that horses can detect the appearance of objects within an almost fully encompassing circle and are able to identify objects within most but not all of their panoramic field of view. |
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0376-6357 |
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Equine Behaviour @ team @ |
Serial |
5621 |
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| Author |
Watanabe, N.M.; Stahlman, W.D.; Blaisdell, A.P.; Garlick, D.; Fast, C.D.; Blumstein, D.T. |
| Title |
Quantifying personality in the terrestrial hermit crab: Different measures, different inferences |
Type |
Journal Article |
| Year |
2012 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
91 |
Issue |
2 |
Pages |
133-140 |
| Keywords |
Animal personality; Behavioral syndrome; Hermit crabs |
| Abstract |
There is much interest in studying animal personalities but considerable debate as to how to define and evaluate them. We assessed the utility of one proposed framework while studying personality in terrestrial hermit crabs (Coenobita clypeatus). We recorded the latency of individuals to emerge from their shells over multiple trials in four unique manipulations. We used the specific testing situations within these manipulations to define two temperament categories (shyness-boldness and exploration-avoidance). Our results identified individual behavioral consistency (i.e., personality) across repeated trials of the same situations, within both categories. Additionally, we found correlations between behaviors across contexts (traits) that suggested that the crabs had behavioral syndromes. While we found some correlations between behaviors that are supposed to measure the same temperament trait, these correlations were not inevitable. Furthermore, a principal component analysis (PCA) of our data revealed new relationships between behaviors and provided the foundation for an alternate interpretation: measured behaviors may be situation-specific, and may not reflect general personality traits at all. These results suggest that more attention must be placed on how we infer personalities from standardized methods, and that we must be careful to not force our data to fit our frameworks. |
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0376-6357 |
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no |
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Equine Behaviour @ team @ |
Serial |
5620 |
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| Author |
Granquist, S.M.; Thorhallsdottir, A.G.; Sigurjonsdottir, H. |
| Title |
The effect of stallions on social interactions in domestic and semi feral harems |
Type |
Journal Article |
| Year |
2012 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
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| Volume |
141 |
Issue |
1–2 |
Pages |
49-56 |
| Keywords |
Horses; Hierarchy; Icelandic horse; Social behaviour; Social bonds |
| Abstract |
Earlier research indicates that stallions may supress interactions of their harem members, leading to less stable hierarchies and friendship bonds in harems compared to non-stallion groups. In this paper, the effect of the presense of a stallion on the social behaviour of mares was studied by comparing six harems containing stallions to four mixed sex groups not containing stallions. Both temporary and permanent harems were studied, giving the possibility to investigate the effect of group stability on social interactions. A significant linear hierarchy was found in all non-stallion groups that were used for comparison, while the hierarchies were only found to be linear in three of the six harems containing stallions (Landaus h', p < 0.05). Aggression rate was lower (t-test, p < 0.05) and fewer friendship bonds (G-test, p < 0.0001) were found within the harems, compared to the groups without stallions. Stallions seldom intervene directly in interactions between harem members. Thus, our results give support to the hypothesis that stallions may suppress interactions of harem members, but in a more indirect way than with direct interference. In addition, our results give support for earlier findings that aggression rate may be affected by group stability. We found a higher aggression rate in the temporary harems compared to the permanent harems (Kruskal–Wallis, p < 0.05) and in the temporary non-stallion group compared to the permanent non-stallion group. The results have significance for further research on social structure of mammals, and may be applied in management of domestic animals. |
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0168-1591 |
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no |
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Equine Behaviour @ team @ |
Serial |
5619 |
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| Author |
Sherry, D.F.; Galef Jr, B.G. |
| Title |
Cultural transmission without imitation: Milk bottle opening by birds |
Type |
Journal Article |
| Year |
1984 |
Publication |
Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
| Volume |
32 |
Issue |
3 |
Pages |
937-938 |
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0003-3472 |
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no |
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Equine Behaviour @ team @ |
Serial |
5611 |
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Galef, J., Bennett G.; Whiskin, E.E. |
| Title |
Effects of environmental stability and demonstrator age on social learning of food preferences by young Norway rats |
Type |
Journal Article |
| Year |
2004 |
Publication |
Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
| Volume |
68 |
Issue |
4 |
Pages |
897-902 |
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| Abstract |
We used socially learned food preferences of Norway rats, Rattus norvegicus, to examine two common predictions of formal models of social learning in animals: (1) that animals living in relatively stable environments should be more attentive to socially acquired information than animals living in highly variable environments, and (2) that older demonstrators should have greater influence than younger demonstrators on the behaviour of young observers. Old and young demonstrators were equally effective in modifying the food preferences of juveniles that interacted with them. However, food choices of rats that were moved daily from one cage to another and fed at unpredictable times for unpredictable periods were less affected by demonstrators than were rats maintained in stable environments. Our results thus provided experimental support for the first, but not the second, prediction from theory. |
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0003-3472 |
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no |
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Equine Behaviour @ team @ |
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5610 |
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| Author |
Goodall, J. |
| Title |
Cultural elements in a chimpanzee community. |
Type |
Book Chapter |
| Year |
1973 |
Publication |
Precultural primate behaviour |
Abbreviated Journal |
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1 |
Issue |
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Pages |
144-184 |
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Karger |
Place of Publication |
Basel |
Editor |
Menzel, E. W. |
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no |
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Equine Behaviour @ team @ |
Serial |
5601 |
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| Author |
Van de Weerd, H.A.; Seaman, S.; Wheeler, K.; Goddard, P.; Mclean, B. |
| Title |
Use of artificial drinkers by unhandled semi-feral ponies |
Type |
Journal Article |
| Year |
2012 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
139 |
Issue |
1-2 |
Pages |
86-95 |
| Keywords |
Semi-feral Dartmoor ponies; Drinking behaviour; Preference tests; Welfare |
| Abstract |
This study investigated drinking behaviour of unhandled, semi-feral Dartmoor ponies. Aspects studied were drinking behaviour, latency to drink from novel unfamiliar drinkers after transport, preferences for different types of artificial water drinkers, effects of mixing with unfamiliar ponies and group size, on drinking behaviour, and the effect of a simulated market on the latency to drink. Ponies were tested in groups of three or six animals, or as individuals in test pens that were equipped with three water drinkers: bucket, automatic drinking bowl, flowing water trough. Behaviour was recorded using time-lapse video. An individual pony drank on average 10 l per day. Ponies also drank, but at a lower rate, during the night. The latencies to drink after 4.5 h of transport showed large variation, but most ponies drank within the first hour after being transported (all groups 80.5 ± 32.94 min, mean ± SEM). In the individual choice tests, the preferred drinkers were the bucket and the flowing water trough, but not the automatic drinking bowl (drinking time 25.2 ± 4.66, 11.5 ± 4.26, 2.4 ± 2.23 min for bucket, trough and bowl respectively, mean ± SEM; paired t-tests, bowl versus other drinkers, all tests p < 0.02). A possible reason for the avoidance of the automatic bowl was the noise it made when filling. After mixing a group of three ponies with a group of three unfamiliar animals, the ponies did not express their individual drinker preferences anymore. The use of the previously preferred bucket decreased significantly and the use of the initially, non-preferred, bowl increased significantly. This was likely caused by the fact that ponies were either intentionally or accidentally obstructing drinkers in certain areas of the pen and unfamiliar ponies did not want to push past them. In the simulated market, the differences in latencies to drink between ponies in the home pen and market groups did not reach significance. No significant effect of group size (groups of three versus six ponies) on drinking behaviour was detected. The results have implications for situations where only automatic water bowls are provided, such as during pony sales at livestock markets. Preventing ponies from expressing their drinking choice, either by offering non-preferred drinkers or by mixing with unfamiliar animals, could adversely affect their welfare especially if this happens in conjunction with other stressful events such as transport and markets, and potentially weaning. |
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0168-1591 |
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no |
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Equine Behaviour @ team @ |
Serial |
5596 |
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| Author |
Ventolini, N.; Ferrero, E.A.; Sponza, S.; Della Chiesa, A.; Zucca, P.; Vallortigara, G. |
| Title |
Laterality in the wild: preferential hemifield use during predatory and sexual behaviour in the black-winged stilt |
Type |
Journal Article |
| Year |
2005 |
Publication |
Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
| Volume |
69 |
Issue |
5 |
Pages |
1077-1084 |
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| Abstract |
We recorded preferential use of the left and right monocular visual field in black-winged stilts, Himantopus himantopus, during predatory pecking and during courtship and mating behaviour in a naturalistic setting. The stilts had a population-level preference for using their right monocular visual field before predatory pecking; pecks that followed right-hemifield detection were more likely to be successful than pecks that followed left-hemifield detection, as evinced by the occurrence of swallowing and shaking head movements after pecking. In contrast, shaking behaviour, a component of courtship displays, and copulatory attempts by males were more likely to occur when females were seen with the left monocular visual field. Asymmetric hemifield use observed in natural conditions raises interesting issues as to the costs and benefits of population-level behavioural lateralization in wild animals. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5589 |
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