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Le Scolan, N.; Hausberger, M.; Wolff, A. |
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Title |
Stability over situations in temperamental traits of horses as revealed by experimental and scoring approaches |
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Journal Article |
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Year |
1997 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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41 |
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3 |
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257-266 |
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Behavioural tests; Horse; Ratings; Temperament |
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Individual behavioural reactions of adult horses in a variety of experimental tests were compared with ratings by riding teachers. The tests were made in a non working situation, with the animals being released in an arena, a box (arena test, new object test, learning tests) or handled (new object/handling situation). The traits rated by teachers were fearfulness, nervousness, gregariousness and learning abilities at work (ridden or handled). Despite a great homogeneity in the reactions exhibited by the horses in the different situations, large individual differences were present. Correlations appeared between the reactivity in the arena test and the score of gregariousness, between the reactivity in the novel object test and the rating of nervousness when ridden, between the results in the handling test and the rating of general fearfulness and between the ability to memorise an instrumental task and the score of general learning ability. Such results strengthen the idea that there are underlying behavioural dispositions that are stable across situations and that the experimental tests may be good predictors of the temperament in untrained animals. |
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Equine Behaviour @ team @ |
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3591 |
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Author |
Bayley,L.; Maxwell, R. (eds) |
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Title |
Understanding Your Horse: How to Overcome Common Behaviour Problems |
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1997 |
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Editorial Reviews
From Booklist
“Problem” horses are usually horses that are trying to tell their owners that something is wrong and reacting in the only way they know how. Lesley Bayley leads the reader through Richard Maxwell's system of understanding equine psychology and for overcoming some of the natural responses that horses use in situations that frighten or confuse them. Beginning with two chapters on how horses communicate with each other (and with their owners), the authors go on to describe the effects of pain on the horse's behavior. Two chapters on establishing trust with older, difficult horses and with “starting” (breaking in) foals and young horses lead into the final sections on dealing with specific behavioral problems. The authors stress that positive reinforcement of desired behaviors will achieve the desired results, and that understanding why a horse is acting the way it does goes a long way toward getting it to develop desirable habits or toward changing undesirable conduct. This will be an extremely useful adjunct to all of the how-to books on riding and horse care. Nancy Bent
Book Description
A wealth of sound advice on how to “listen to” and really understand your horse, with a caring approach to techniques for training and overcoming behavioral problems. |
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Trafalgar Square Publishing |
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Bayley,L.; Maxwell, R. |
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978-1570760730 |
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Equine Behaviour @ team @ |
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3593 |
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Author |
Rundgren, M.; Nordin, A. |
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Title |
Personality profile and simple learning tests for horses |
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Year |
1997 |
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Proceedings of the 48th Annual Meeting of the European Association of Animal Production |
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1-4 |
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Vienna |
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Equine Behaviour @ team @ |
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3598 |
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Foster, T.M.; Matthews, L.R.; Temple, W.; Poling, A. |
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Title |
Concurrent schedule performance in domestic goats: persistent undermatching |
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Year |
1997 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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40 |
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3 |
Pages |
231-237 |
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Keywords |
Matching equation; Undermatching; Variable-interval schedule; Nose-press response; Goats |
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Performance of nine domestic goats responding under concurrent variable-interval variable-interval schedules of food delivery was examined, with results analyzed in terms of the generalized matching equation. Substantial undermatching of response and time allocation ratios to obtained reinforcement ratios was evident. Post-reinforcement pause time ratios approximately matched obtained reinforcement ratios. Subtracting these times from total time allocation values yielded net time allocation ratios, which undermatched obtained reinforcement ratios to a greater degree than whole-session time allocation ratios. Slopes of regression lines relating behavioral outputs to environmental inputs characteristically were below 0.6, which is similar to previous findings in dairy cows tested under comparable conditions. |
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Equine Behaviour @ team @ |
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3602 |
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Foster, T.M.; Temple, W.; Cameron, B.; Poling, A. |
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Title |
Demand curves for food in hens: Similarity under fixed-ratio and progressive-ratio schedules |
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Journal Article |
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Year |
1997 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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39 |
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2 |
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177-185 |
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Progressive-ratio schedule; Fixed-ratio schedule; Demand curves; Behavioral economics; Animal welfare; Keypecking; Chickens |
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Demand curves were generated for five domestic hens under progressive-ratio 5 schedules of food delivery and under fixed-ratio schedules of food delivery that began at fixed-ratio 5 and were incremented by 5 each session. All sessions ended after 10 consecutive minutes without a response. Although response rates at a given ratio were higher under the progressive-ratio schedule, all hens completed higher ratios under the fixed-ratio schedule. Similar, but not identical, demand curves were generated under progressive-ratio and fixed-ratio schedules. Under both schedules, consumption (reinforcers earned) decreased as cost (ratio size) increased. Data generally were well described by an equation in which elasticity of demand is constant, although an equation in which elasticity could vary accounted for slightly more of the variance. |
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Equine Behaviour @ team @ |
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3603 |
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Author |
Darwin , Charles |
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Title |
The Descent of Man; Reprint edition |
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1997 |
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Prometheus Books; |
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Amherst, New York |
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978-1573921763 |
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Equine Behaviour @ team @ |
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4095 |
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Author |
Krebs, J.R.; Davies, N.B. |
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Title |
Behavioural ecology : an evolutionary approach |
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1997 |
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ntended for graduate and upper level undergraduate courses in behavioural ecology where students are already familiar with the basic ideas, this book continues to define the subject. A completely new set of contributions has been brought together once more to take account of the many exciting new developments in the field. Each chapter presents a balanced view of the subject, integrating a clear exposition of the theory with a critical discussion of how predictions have been tested by experiments and comparative studies. In addition, the book points to unreconciled issues and possible future developments. Edited by two of the most highly regarded experts in the field, this new volume contains contributions from an international authorship and continues the tradition of clarity and accessibility established by the three previous editions. |
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Blackwell Science |
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Cambridge, Mass. |
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0865427313 9780865427310 |
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Equine Behaviour @ team @ 35114973 |
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4276 |
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Author |
Giraldeau, Luc-Alain |
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Title |
The ecology of information use |
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1997 |
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Behavioural ecology : an evolutionary approach |
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Blackwell Science |
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Cambridge, Mass. |
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Krebs, J.R.; Davies, N.B. |
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0865427313 9780865427310 |
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Equine Behaviour @ team @ 35114973 |
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4277 |
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Author |
unknown |
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Title |
Personality and Personality Disorders |
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1997 |
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Behavioural Genetics |
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195-207 |
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W. H. Freeman and Company |
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New York |
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Plomin, R.; DeFries, J.C.; McClearn, G.E.;Rutter, M. |
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3 |
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Equine Behaviour @ team @ |
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4283 |
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Author |
Beaugrand, J.P |
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Title |
Relative importance of initial individual differences, agonistic experience, and assessment accuracy during hierarchy formation: a simulation study |
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Year |
1997 |
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Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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41 |
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177-192 |
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Dominance; Hierarchy formation; RHP; Agonistic experience; Assessment; Self-organization; Simulation |
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This simulation study explores some conditions leading to transitivity within dominance orders. Combinations of three parameters were varied to study their consequences upon hierarchy formation and upon the degree of linearity of resultant structures. The factors studied were: (1) the importance of initial resource holding potentials (RHPs); (2) changes brought in RHPs by successive victories and defeats; and (3) accuracy of RHP assessment made by opponents. Results show that initial differences in RHP always lead to perfectly transitive chains whose rank order reflects the importance of initial differences. Even when simulated animals make important errors while assessing each other during round robin tournaments, emerging dominance structures are perfectly linear and ranks obtained in the structure are highly correlated with initial values in RHPs. Moreover, accumulated experiences of victory and/or defeat alone always lead to perfectly linear hierarchies. Their combination with initial individual differences in RHP led to the same conclusion. Even when assessment was far from being perfect, not only perfect chains were formed but initial values in RHPs significantly influenced rank order when the contribution of victory and defeat to RHP was relatively unimportant. The higher the importance of victory and defeat to RHP as compared to that of initial RHP values, the lower was the correlation between initial RHP values and the ranks order reached by individuals in the resultant hierarchies. In general also, the lower the variation within initial RHPs, the lower was the correlation between initial RHPs and ranks in the hierarchy. At a given level of initial RHP dispersion, increasing the contribution of victory and defeat to RHP diminished the correlation between initial RHP values and obtained ranks. In addition, inaccurate assessment reduced the overall correlation, especially when dispersion of initial RHP values was low and the contribution of victory and defeat relatively unimportant. These results shed some light on the controversy about the respective roles of initial individual attributes and that of patterns of resolution in the formation of animal hierarchies. We present the emergence of social order within closed systems as those simulated here as a case of self-organization. |
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Equine Behaviour @ team @ |
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4290 |
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