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Aerts, J.-M.; Gebruers, F.; Van Camp, E.; Berckmans, D. |
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Title |
Controlling horse heart rate as a basis for training improvement |
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2008 |
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Computers and Electronics in Agriculture |
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64 |
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1 |
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78-84 |
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Heart rate; Horse; Model predictive control; Transfer function model |
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Equine training methods, and consequently, performance times have improved little since the last decades. With advances in measuring signals on-line by means of several new technologies and analytical procedures, and processing these signals immediately with strong and compact processors, it may be possible to develop new training methods. In this research, the objective was to explore the possibilities of using modern model-based algorithms to control the heart rate of horses (bpm) on-line by means of the control input running speed (km/h). Forty-five experiments with five horses and four riders were carried out to generate measurements of physiological status during running. The dynamical characteristics of each horse were quantified using linear discrete transfer function models. The dynamic response of heart rate to step changes in running speed were accurately described. In 90% of the cases, a first-order model gave the best fit. For 69% of the models, the r2 was higher than 0.90 and for 34% of the models, the r2 was even higher than 0.95. In a next step, the model-based algorithm was evaluated by controlling cardiac responses of two horses (horses 2 and 4) to a pre-defined trajectory. The model parameters were kept constant. On average, the error between the defined target trajectory in heart rate and the actual controlled heart rate ranged between 0.2 and 1.4 bpm for the whole target heart rate trajectory. During the steady-state part of the trajectory the average error was maximum 1.1 bpm. In the transient from one steady-state heart rate to another level, the error could increase on average up to 5 bpm. In the future, the combination of on-line measured bioresponses with real-time analysis can be used for adjusting the work load of the horse, during training, directly to the immediate needs of horse (welfare) and trainer (performance). |
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Division Measure, Model and Manage Bioresponses (M3-BIORES), Katholieke Universiteit Leuven, Kasteelpark Arenberg 30, B-3001 Leuven, Belgium |
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Equine Behaviour @ team @ |
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4555 |
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Ahmadinejad, M. |
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Title |
Influence of Sex and Age on Color discrimination in caspian Pony |
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2008 |
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IESM 2008 |
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Although an early and influential review led to the often-cited conclusion that color discrimination is rare among mammals, more recent findings suggest that it is actually widespread. According to jacobes, all non-nocturnal mammalian species that have adequately exmined show some color vision capacity. Data on the presence and characteristics and the influence of sex and age on color vision in the horse, remain spares and non in Caspian pony. Eight Caspian ponies were presented with a series of two-choice color vs. grey discrimination problems. One mare pony was eliminated due to traumatic injury to her eye. Experiments were performed in a box of 3 * 3 meter containing a wall with two translucent panels that were illuminated from behind by light projected through color or grey filters to provide the discriminative stimuli. Ponies were first adopted to the stall (box) with two panels in it and then learned to push one of the panels in order to receive the food rewards behind positive stimuli in an achromatic light-dark discrimination task. The ponies were then tested on their abilities to discriminate between grey and four individual colors; red; 617nm, yellow; 581nm, green; 538nm and blue 470 nm. The answer to the question \“do the ponies see color\” was yes but sex and age had no influence on the color discrimination of the ponies . |
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Ahmadinejad, M. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4501 |
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Amant, R. St.; Horton, T.E. |
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Revisiting the definition of animal tool use |
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2008 |
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Animal Behaviour |
Abbreviated Journal |
Anim. Behav. |
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75 |
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4 |
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1199-1208 |
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cognition; tool use |
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Benjamin Beck's definition of tool use has served the field of animal cognition well for over 25 years (Beck 1980, Animal Tool Behavior: the Use and Manufacture of Tools, New York, Garland STPM). This article proposes a new, more explanatory definition that accounts for tool use in terms of two complementary subcategories of behaviours: behaviours aimed at altering a target object by mechanical means and behaviours that mediate the flow of information between the tool user and the environment or other organisms in the environment. The conceptual foundation and implications of the new definition are contrasted with those of existing definitions, particularly Beck's. The new definition is informally evaluated with respect to a set of scenarios that highlights differences from Beck's definition as well as those of others in the literature. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5861 |
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Arakawa, H.; Arakawa, K.; Blanchard, D.C.; Blanchard, R.J. |
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A new test paradigm for social recognition evidenced by urinary scent marking behavior in C57BL/6J mice |
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2008 |
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Behavioural Brain Research |
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Behav. Brain. Res. |
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190 |
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1 |
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97-104 |
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Social recognition; Urine marking; Familiarity; Context recognition; C57BL/6J mice |
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Olfaction is a major sensory element in intraspecies recognition and communication in mice. The present study investigated scent marking behaviors of males of the highly inbred C57BL/6J (C57) strain in order to evaluate the ability of these behaviors to provide clear and consistent measures of social familiarity and response to social signals. C57 males engage in scent marking when placed in a chamber with a wire mesh partition separating them from a conspecific. Male mice (C57 or outbred CD-1 mice) showed rapid habituation of scent marking (decreased marking over trials) with repeated exposure at 24-h intervals, to a stimulus animal of the C57 or CD-1 strains, or to an empty chamber. Subsequent exposure to a genetically different novel mouse (CD-1 after CD-1 exposure, or CD-1 after C57 exposure) or to a novel context (different shaped chamber) produced recovery of marking, while responses to a novel but genetically identical mouse (C57 after C57 exposure) or to the empty chamber did not. This finding demonstrated that male mice differentiate familiar and novel conspecifics as expressed by habituation and recovery of scent marking, but neither C57 or CD-1 mice can differentiate new vs. familiar C57 males; likely due to similarities in their odor patterns. The data also indicate that scent marking can differentiate novel from familiar contexts. |
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Equine Behaviour @ team @ |
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4639 |
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Aurich, J. |
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Title |
Equine Science and Management Programme in Vienna |
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2008 |
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IESM 2008 |
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With a growing importance of equestrian sports and horse breeding, there is an increasing need for well-trained professionals in the equine sector. While well-established vocational training programmes exist in Germany, they do neither provide qualifications for leading positions nor train for scientific work on the horse. The need for specific equine university programmes has been questioned occasionally, however, neither university programmes in equine veterinary medicine (focussing on diseased horses) nor animal science (focussing on food-producing farm animals) meet the broad requirements of today`s equine industry.
The first academic programme in equine science and management in the German-speaking countries was established in 2003 by the Universities of Veterinary Sciences and Agricultural Sciences in Vienna, Austria. The 3-year bachelor programme (180 ECTS points) includes sciences, anatomy, physiology, genetics, nutrition, ethology, economics, marketing, management, legislation, reproduction, healtcare, equitation science and organisation of breeding and equestrian sports. Courses are provided by the partner universities and by lecturers from practise and equestrian organisations including the German and Austrian equestrian federations. Lectures and seminars are complemented by a scientific thesis and placements in the equine industry.
Out of 100-150 applicants each year, 50 students are selected on the basis of their previous activities, a written test and interviews. Students are coming from Austria (40%), Germany (50%) and other countries (10%) ensuring a truly European programme. The majority of students enter the programme directly after leaving secondary school, but approx. 20% have undergone previous vocational training (e.g. Pferdewirt).
About 40% of the graduates enter into subsequent MSc programmes in animal science or agribusiness. Others are studying for an MBA or a degree in veterinary medicine, journalism, law and other disciplines. Graduates from the 2003 class finish their MSc in agriculture this year at universities in Austria, Germany and the United Kingdom and some of them will continue with a doctorate. Students not entering graduate programmes after obtaining their BSc do work as stud managers or management assistants in Germany and English-speaking countries or are employed by equestrian organisations such as the German and Austrian national federation, equestrian journals, equine nutrition companies, non-university research and consulting institutions, the Ministry of Agriculture and in a variety of other fields. The success of the Vienna equine programme has also encouraged activities at other universities and programmes with near-similar curricula have recently been established in Germany and Switzerland.
In conclusion, graduates of the Vienna equine science programme follow a wide-range of professional and academic activities within the equine industry. This spectrum is by far more extensive than the sector covered by professionals from traditional vocational training. With practical experience obtained on the job, adaequately qualified graduates will more and more obtain leading positions. In addition, the programme is a first step in the training of future researchers and teachers. By promoting and conducting research on the horse, equine science programmes do also secure the leading role of the European equine industry for the future. |
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University of Veterinary Sciences, Vienna, Austria. joerg.aurich@vu-wien.ac.at, phone +43 1 250775400, fax +43 1 250775490 |
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Aurich, J. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4503 |
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Author |
Baragli, P.; Regolin, L |
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Title |
Cognitive Tests in Equids (Equus caballus and Equus Asinus) |
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Conference Article |
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2008 |
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IESM 2008 |
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For ages horses and donkeys constituted the most important domesticated animals. Even though equids were often bred and kept in close proximity to humans, surprisingly little is known about their cognitive abilities. Traditionally, horses are not regarded as clever animals; common beliefs maintain that the horses“ behaviour is merely driven by conditioned-responses. Additionally, from an anthropomorphic point of view donkeys are believed to be ”stupid“ animals.
Our study investigates the equids” ability to recover a hidden object. For this purpose the animal has to create and maintain a representation of the object and its location in space, from the moment in which it disappears from direct perception, till the moment in which it reappears. The knowledge about objects being entities that continue to exist even when they are no longer available for direct perception is refered to as the well known concept of “object permanence”.
We primarly assessed the ability of Esperia's pony and donkeys to solve a Detour problem while employing an opaque “U-shaped” barrier. Each animal observed a food bucket moving and disappearing behind the barrier. Immediately after the object"s disappearance, the animal was released to search for the object. If it solved the task by detouring the barrier it was positively reinforced.
The ability to retain in memory the hidden object as well as its spatial location was subsequently tested in the presence of two, rather than one, screens (Working Memory testing phase). The food bucket was made to move and hidden behind one of the two identical screens, while the animal was watching it. Following a pre-established delayed period of 10 sec, the animal was set free to look for the food. In such a test the detour problem is combined with the classical delayed-response task, which is in use for the comparison of memory duration in different species.
In order to recover the hidden objects, animals must encode, maintain and correctly regain from their working memory the existence of the no longer visible object and its location from their working memory.
Both donkeys and ponies performed the Detour task showing to grasp the fact that an object which is no longer perceivable still continues to exist and can be regained. They also were able to correctly retrieve the goal object after a delay of 10 s in the Working Memory tasks, showing that they had encoded, maintained and correclty retrieved from their working memory the spatial location of the hidden object as well as its existence.
Nevertheless, when Standardbreds, raised in traditional stables, were tested in identical conditions to those describe for the ponies and donkeys, they could not succeed in the Detour tasks. The reason for such differences needs to be studied Even though it would be interesting to focus on handling differences, i.e., the ponies had been living in an environment rich in natural stimuli, while the Standardbreds had lived in a man-controlled environment since birth. It is also noteworthy that, like donkeys, the Esperia's pony have a reputation for being hard to handle.
Several considerations could arise from our preliminary investigations, and we will have the pleasure to leave them open for discussion. |
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University of Pisa- Dept of Veterinary Anatomy, Biochemistry and Physiology |
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Baragli, P. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4461 |
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Baragli,P.; Cozzi,A; Rugani, R.; Sighieria, C.; Regolin, L. |
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Delayed search for non-social goals by Equids (Equus caballus and Equus asinus) |
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2008 |
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IESM 2008 |
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cognitive abilities, delayed-response, Equids, working memory. |
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Delayed-responses have been traditionally employed to investigate the temporal characteristics of animals“ ability to represent and recall objects that have disappeared. In the typical condition, the animal, usually a mammal, observes the experimenter hiding an interesting goal (e.g. some food) in a certain location. A delayed-response task (DRT) was administered to 4 female Esperia pony (2 years old) coming from a free-range breed (Frosinone, Italy) and to 7 female Amiata donkeys (4.2±2 years old) coming from a conservation stock (University of Pisa, Italy). The DRT's apparatus was located in a square fence. A single ”U-shaped“ screen (330x160x140 cm) made by wood shavings blocks was positioned in the centre of the fence. A gap (40x50 cm) on the ground was in the middle of the central side of the U-shaped-screen and served to make the food-attractor disappear. The food-attractor consisted in cereal flakes and fresh grass for ponies and cereal flakes for donkeys. A bucket full of food was placed on a dolly tied on a rope which could be pulled by an experimenter. In a preliminary training each animal was allowed to eat food from the bucket and, while the animal was eating, the dolly was gently pulled away from the animal, and beyond the screen through the gap. The subjects needed to move around of the screen in order to retrieve the food. As a reinforcement, they were allowed to eat some food from the bucket once behind the screen. From trial to trial, the bucket was presented farther and farther (starting with a distance of 1 m in front of the screen to reach 7 m). Therefore subjects were tested in the DRT requiring them to rejoin the bucket with the goal-food disappearing behind the screen as in the preliminary training but following a 10 s delay. For the DRT, the bucket was placed 7 m in front of the screen, 3 m away from the animal's starting area. Then the dolly was pulled away from the animal. Ten seconds after the disappearance of the dolly behind the screen the animal was released from the starting area. The DRT ended when the subject had reached the attractor behind the screen on 3 consecutive trials. Results showed that all animals were able to rejoin the food behind the screen after 10 s delay. The mean time of the delayed-response (mean±sd, in s) in the ponies (1st: 19.8±8; 2nd: 10.8±2.2; 3rd: 12.8±2.8) and in the donkeys (1st: 28.4±10; 2nd: 26.9±13; 3rd: 24.3±16.6) showed a trend to decrease from first trial to third. These preliminary results suggest that like other mammals our ponies and donkeys can maintain a working memory trace of the location where biologically attractive objects have been seen to disappear. In conclusion, this study paves the way to set up a viable model system for the investigation of the more sophisticated aspects of Equids” cognitive abilities such as working memory. |
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Department of Veterinary Anatomy, Biochemistry and Physiology, University of Pisa, Viale delle Piagge 2 – 56124, Pisa, Italy |
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Cozzi, A |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4475 |
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Bartosova, J.; Dvorakova, R.; Vancatova, M.; Svobodova, I. |
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Comprehension of human pointing gesture in domestic horses: Effect of training method |
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2008 |
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IESM 2008 |
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Human-horse communication, Pointing, Training methods, Horsemanship |
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Horses have been considered to rely on human gesticular cues (McKinley and Sambrook 2000, Anim Cogn 3:13-22; and recently Maros et al. 2008, Anim Cogn 11:457-466), however large variability among individuals tested in two-ways object choice tasks was found. Part of the horses in those studies (40 and 26 %, respectively) even failed to pass adequately through the training session which preceded the testing phase and served to learn a horse to carry out a task. Therefore, we alternated the experimental design designed by McKinley and Sambrook (reduced number of testing trials to 10 per horse to keep its attention, applied just one, a dynamic-sustained pointing cue with touching the bucket, etc.), and tested an effect of training method, sex, age, and learning on proportion of correct choices. We hypothesised, that horses trained by “traditional” method (TTM) will get lower score than those experienced with “horsemanship-based” methods (HTM), being characterized by closer and more frequent human-horse contact and also extended exercising “from the ground” with frequent using of arms cues. Despite simplification of the methods, only about 60 % of tested horses passed through the training phase (i.e., learned to come to and upturn the bucket with hidden treat). Successful completion of training phase was reached regardless of age or sex of a horse, but by the training method; HTM horses ran better compared to TTM ones. No significant effect of age, sex, or learning (i.e., trial order within all 10), and training method as well was found on proportion of correct trials in the testing phase. Horses made a correct choice in more than 70% of trials. Individual scores ranged from 50 to 100 %. In conclusion, horses showed high level of comprehension of human pointing gesture, regardless of their sex or age. No effects of training method or learning process within a test suggest low impact of handling and learning on the level of comprehension at least of the most vivid human pointing gesture. Horses trained by methods based on “natural human-horse communication” did enhance cooperation with people. |
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Department of Ethology, Institute of Animal Science, Pratelstvi 815, CZ-104 00 Praha Uhrineves, Czech Republic |
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Bartosova, J. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4464 |
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Bartoš, L.; Bartošová, J.; Starostová, L. |
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Position of the head is not associated with changes in horse vision |
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2008 |
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Equine Veterinary Journal |
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40 |
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6 |
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599-601 |
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horse; horse vision; head position; pupil rotation |
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It has become accepted that the horse cannot see directly in front when the nose is lowered and must therefore rely on the rider. We tested the hypothesis that this conclusion would be correct only if the horse did not adjust the eyeball horizontal axis to changes of the head position. The results of the present study suggest that it is unlikely that horses have limited vision in relation to their head position when driven by the rider, and that the horse maintains the optimal horizontal eyeball position regardless of head position relative to the ground. |
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Blackwell Publishing Ltd |
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2042-3306 |
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Equine Behaviour @ team @ |
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5679 |
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Bates, L.A.; Lee, P.C.; Njiraini, N.; Poole, J.H.; Sayialel, K.; Sayialel, S.; Moss, C.J.; Byrne, R. |
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Do Elephants Show Empathy? |
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2008 |
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Journal of Consciousness Studies |
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J Conscious Stud |
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15 |
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10-11 |
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204-225 |
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Abstract |
Elephants show a rich social organization and display a number of unusual traits. In this paper, we analyse reports collected over a thirty-five year period, describing behaviour that has the potential to reveal signs of empathic understanding. These include coalition formation, the offering of protection and comfort to others, retrieving and 'babysitting' calves, aiding individuals that would otherwise have difficulty in moving, and removing foreign objects attached to others. These records demonstrate that an elephant is capable of diagnosing animacy and goal directedness, and is able to understand the physical competence, emotional state and intentions of others, when they differ from its own. We argue that an empathic understanding of others is the simplest explanation of these abilities, and discuss reasons why elephants appear to show empathy more than other non-primate species. |
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yes |
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Call Number |
Equine Behaviour @ team @ |
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5057 |
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