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| Author |
Petherick, J.C.; Seawright, E.; Waddington, D. |
| Title |
Influence of motivational state on choice of food or a dustbathing/foraging substrate by domestic hens |
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Journal Article |
| Year |
1993 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
28 |
Issue  |
3 |
Pages |
209-220 |
| Keywords |
Food; Learning; Litter; Motivation; Poultry; Preference |
| Abstract |
Domestic hens were trained to run a Y-maze and make an association between differently coloured doorways and access to food pellets or sand. The hens were tested for their choice of doorway when the goals were not visible from the choice point and when they were food or sand deprived. Hens made the choice appropriate to their deprivation state (correct choice) significantly more often for food than sand and were faster at choosing and entering the goal box when food deprived. In a follow up experiment, the goals were visible from the choice point. Again the hens chose correctly significantly more often when food than sand deprived and made the choice and entered the goal box faster when food deprived. Thus, failure to choose sand in the first experiment was not due to an inability to learn the association, but appears to result from a strong motivation to feed in the Y-maze, even when not food deprived, and a weak motivation to dustbathe or forage, even when sand deprived. |
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Equine Behaviour @ team @ |
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3608 |
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Petherick, J.C.; Waddington, D.; Duncan, I.J.H. |
| Title |
Learning to gain access to a foraging and dustbathing substrate by domestic fowl: is `out of sight out of mind'? |
Type |
Journal Article |
| Year |
1991 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
22 |
Issue |
3 |
Pages |
213-226 |
| Keywords |
Domestic fowl; Dustbathing; Welfare; Learning; Cognition |
| Abstract |
Domestic fowl were deprived of the opportunity to perform litter-related behaviour for three or four days and were tested in a Y-maze (which they had previously been trained to run) for their ability to associate a coloured cue with gaining access to peat. When the goal boxes were within sight of the choice point, most birds chose peat. However, when the birds had to rely solely on the coloured cue only one bird from 12 showed learning. However, the birds seemed to have some expectation of a reward, as they ran faster if, on the previous trial, they had chosen peat. The inability of the birds to learn the association may have been an artefact of the schedule of deprivation and testing, for when they were hungry and tested in the same way they were again unable to learn an association between the same coloured cue and food reward. The experiment with peat was repeated using “massed” trials (several trials in immediate succession) during training and testing and six from 15 birds showed learning. These results suggest that the initial failure to learn was probably due to the training and testing schedule, that access to peat appears to be rewarding and that hens can learn an association between an abstract cue and a rewarding consequence. This is consistent with the possibility that domestic fowls may have some cognitive representation of peat when it is out of sight. |
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Equine Behaviour @ team @ |
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3609 |
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Lafferty, K.D. |
| Title |
Look what the cat dragged in: do parasites contribute to human cultural diversity? |
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Journal Article |
| Year |
2005 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
68 |
Issue |
3 |
Pages |
279-282 |
| Keywords |
Adaptation, Physiological/physiology; Adaptation, Psychological/physiology; Animals; Behavior/physiology; *Behavior Control; Cats/*parasitology; Cultural Diversity; Host-Parasite Relations; Humans; Personality/*physiology; Toxoplasma/*physiology; Toxoplasmosis/parasitology/*psychology |
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Western Ecological Research Center, United States Geological Survey, c/o Marine Science Institute, University of California, Santa Barbara, CA 93106, USA. lafferty@lifesci.ucsb.edu |
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English |
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0376-6357 |
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PMID:15792708 |
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Equine Behaviour @ team @ |
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4148 |
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Feh, C.; Munkhtuya, B. |
| Title |
Male infanticide and paternity analyses in a socially natural herd of Przewalski`s horses: Sexual selection? |
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Journal Article |
| Year |
2008 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
78 |
Issue |
3 |
Pages |
335-339 |
| Keywords |
DNA paternity analysis; Human disturbance; Male infanticide; Przewalski's horse (Equus ferus przewalskii); Sexual selection |
| Abstract |
The sexual selection hypothesis explains infanticide by males in many mammals. In our 11-year study, we investigated this hypothesis in a herd of Przewalski's horses where we had witnessed infanticidal attacks. Infanticide was highly conditional and not simply linked to takeovers. Attacks occurred in only five of 39 cases following a takeover, and DNA paternity revealed that, although infanticidal stallions were not the genetic fathers in four cases out of five, stallions present at birth did not significantly attempt to kill unrelated foals. Infanticide did not reduce birth intervals; only in one case out of five was the infanticidal stallion, the father of the next foal; mothers whose foals were attacked subsequently avoided associating with infanticidal stallions. Therefore, evidence for the sexual selection hypothesis was weak. The “human disturbance” hypothesis received some support, as only zoo bred stallions which grew up in unnatural social groups attacked foals of mares which were pregnant during takeovers. |
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Equine Behaviour @ team @ |
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4632 |
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Reid, P.J. |
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Adapting to the human world: Dogs' responsiveness to our social cues |
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Journal Article |
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2009 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
80 |
Issue |
3 |
Pages |
325-333 |
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Domestic dog; Social cognition; Communicative gestures |
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Dogs are more skilful than a host of other species at tasks which require they respond to human communicative gestures in order to locate hidden food. Four basic interpretations for this proficiency surface from distilling the research findings. One possibility is that dogs simply have more opportunity than other species to learn to be responsive to human social cues. A different analysis suggests that the domestication process provided an opening for dogs to apply general cognitive problem-solving skills to a novel social niche. Some researchers go beyond this account and propose that dogs' co-evolution with humans equipped them with a theory of mind for social exchanges. Finally, a more prudent approach suggests that sensitivity to the behaviours of both humans and conspecifics would be particularly advantageous for a social scavenger like the dog. A predisposition to attend to human actions allows for rapid early learning of the association between gestures and the availability of food. |
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0376-6357 |
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Equine Behaviour @ team @ |
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4755 |
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Kotrschal, K.; Schöberl, I.; Bauer, B.; Thibeaut, A.-M.; Wedl, M. |
| Title |
Dyadic relationships and operational performance of male and female owners and their male dogs |
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Journal Article |
| Year |
2009 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
81 |
Issue |
3 |
Pages |
383-391 |
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Dyadic interactions; Human-animal companions; Human-animal relationships; Human-dog dyads; Personality; Social stress |
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In the paper we investigate how owner personality, attitude and gender influence dog behavior, dyadic practical functionality and the level of dog salivary cortisol. In three meetings, 12 female and 10 male owners of male dogs answered questionnaires including the Neo-FFI human personality inventory. Their dyadic behavior was video-taped in a number of test situations, and saliva samples were collected. Owners who scored highly in neuroticism (Neo-FFI dimension one) viewed their dogs as social supporters and spent much time with them. Their dogs had low baseline cortisol levels, but such dyads were less successful in the operational task. Owners who scored highly in extroversion (Neo-FFI dimension two) appreciated shared activities with their dogs which had relatively high baseline cortisol values. Dogs that had female owners were less sociable-active (dog personality axis 1) than dogs that had male owners. Therefore, it appears that owner gender and personality influences dyadic interaction style, dog behavior and dyadic practical functionality. |
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0376-6357 |
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Equine Behaviour @ team @ |
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4947 |
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Wolff, A.; Hausberger, M.; Le Scolan, N. |
| Title |
Experimental tests to assess emotionality in horses |
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Journal Article |
| Year |
1997 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
40 |
Issue |
3 |
Pages |
209-221 |
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Emotivity; Gregariousness; Horse; Neophobia; Open-field |
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Different tests were used to assess different aspects of the emotionality of 1-3 year-old horses: arena test; a [`]novel object' test; and a handling test. In reaction to the test situations no important differences were observed according to age or sex in the behaviour patterns, but clear individual differences were observed within these classes. The arena test seemed to reveal the degree of gregariousness of the animals whereas the results in the two other tests were correlated and seemed to reflect an inherent degree of fearfulness in the horse. Indices were developed that enabled to rank the animals, by taking into account all behaviour patterns shown. Such individual characteristics might have some genetic basis: half-siblings tended to behave the same way in most cases. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5018 |
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Conradt, L.; Roper, T.J. |
| Title |
Deciding group movements: Where and when to go |
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Journal Article |
| Year |
2010 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
84 |
Issue |
3 |
Pages |
675-677 |
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activity synchronisation; aggregation rules; collective decisions; democracy; group decisions; sexual segregation; decision sharing; social choice theory |
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A group of animals can only move cohesively, if group members “somehow” reach a consensus about the timing (e.g., start) and the spatial direction/destination of the collective movement. Timing and spatial decisions usually differ with respect to the continuity of their cost/benefit distribution in such a way that, in principle, compromises are much more feasible in timing decision (e.g. median preferred time) than they are in spatial decisions. The consequence is that consensus costs connected to collective timing decisions are usually less skewed amongst group members than are consensus costs connected to spatial decisions. This, in turn, influences the evolution of decision sharing: sharing in timing decisions is most likely to evolve when conflicts are high relative to group cohesion benefits, while sharing in spatial decisions is most likely to evolve in the opposite situation. We discuss the implications of these differences for the study of collective movement decisions. |
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0376-6357 |
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Equine Behaviour @ team @ |
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5086 |
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Rands, S.A. |
| Title |
Group-movement [`]initiation' and state-dependent decision-making |
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Journal Article |
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2010 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
84 |
Issue |
3 |
Pages |
668-670 |
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Decision-making; State-dependence; Dynamic programming; Co-operation |
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0376-6357 |
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Equine Behaviour @ team @ |
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5087 |
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Pillot, M.-H.; Deneubourg, J.-L. |
| Title |
Collective movements, initiation and stops: Diversity of situations and law of parsimony |
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Journal Article |
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2010 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
| Volume |
84 |
Issue |
3 |
Pages |
657-661 |
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Collective movement; Decision-making; Sheep |
| Abstract |
The environment of animals is often heterogeneous, containing zones that may be dedicated specifically to resting, drinking or feeding. These functional zones may spread over a more or a less extensive area. Thus, mobile animals may have to move from one patch to another when resources are locally depleted or when they need to change activity. The mechanisms involved in collective movement appear simple at first glance, but a brief reflection shows the real difficulty of the problem in terms of the numerous environmental, physical, physiological and social parameters involved. This review is mainly concerned with collective movements, which are characterised by a directional and temporal coordination, where individuals mutually influence each other, meaning this coordination mainly depends on social interactions ([Huth and Wissel, 1992], [Warburton and Lazarus, 1991], [Couzin and Krause, 2003] and [Couzin et al., 2002]). In literature, two types of movement are discussed: large-scale movement and small-scale movement. First, we define these types of movement and then discuss the behavioural mechanisms involved. Secondly, we show that short and long movement but also moving and stopping may result from the outcome of parameters modulation underpinning collective decision-making. |
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Equine Behaviour @ team @ |
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5088 |
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