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Author |
Malara, L.; De Pasquale, A.; Ingala, A.; Innella, G. |
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The influence of management on horse behavioural reactivity in therapeutic riding programs. |
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2008 |
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IESM 2008 |
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Management; Horses; Therapeutic Riding; Behaviour; Reactivity |
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We investigated 8 horses in five therapeutic riding centres situated in San Cataldo (Caltanissetta – I), Nicosia (Catania – II), Pellaro (Reggio Calabria – III), San Gregorio (Catania – IV), Niguarda Hospitals (Milan – V). The managements of the animals were of different typologies: Type 1, Type 2 and Type 3. In type 1 the horses were used for therapeutic riding only. Furthermore intra and interspecific social interactions were not allowed. In type 2 the horses played kinetic activities and made social interactions. In type 3 the horses were free in paddock, as intra and interspecific social interactions were allowed. The centre I, with a management of type 1, housed 1 horse (A1); the centre II, with a management of type 2, housed 1 horse (B2); the centre III, with a management of type 1, housed 1 horse (C1); the centre IV, with a management of type 2, housed 2 horses (D2 and E2); the centre V, with a management of type 3, housed 3 horses (F3, G3 and H3). Breeds of horses were: Anglo-Arab (n°1), Avelignese (n°3), Italian Selle (n°3), draught-horse crossbreed (n°1). They were 2 geldings and 6 females. Their ages ranged from 12 to 23 years. We observed a total of 64 patients affected by different pathologies: autism, motory handicap, blindness and deafness, children“s cerebral paralysis, relational problems, mental deficiency, Down”s syndrome.
The horses“ behaviour was observed at rest and during therapeutic activities with these patients. The Heart Rate (HR) was used as physiological parameter for an ethological evaluation, measured by a telemetric heart rate monitor (Polar Horse Trainer). Horses were analysed with a reactivity test for emotional homeostasis evaluation, too. Heart rate values were studied with non parametrical statistical analysis methods.
Distinct management typologies provided statistically different basal mean values of heart rate (intergroup and intragroup): Type 1 vs Type 2 (P~0.05) and Type 1 vs Type 3 (P<0.05). The comparison of heart rate during therapeutic activities of diverse management showed the following results: A1 vs B2 (P<0.05), B2 vs C1 (P<0.05), Type 1 vs Type 2 (P<0.01). Different managements, both in the same or different typologies, gave significantly diverse results (A1 vs E2: P~0.05; C1 vs E2: P~0.05; B2 vs E2: P~0.05).
This study shows that the statistic differences obtained by therapies with autistic patients derive from management conditions of Type 1. In reactivity test there aren”t any significant differences among the three management typologies. However, we recorded strong variation between medium and maximum values of heart rate, especially in Type 1 and Type 2 of management.
These high variations of heart rate indicated fear reaction of the horse to new stimuli.
This reaction could lead to dangerous accidents for patients during therapeutic activities.
Horses used in therapeutic riding programs must be evaluated before this employment. Horse's behaviour can be assessed by an ethological observation and a reactivity test. Furthermore, the horses must be guaranteed welfare conditions and must live in an environment enriched with sensorial stimuli and respectful of their physiological and ethological needs. |
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Dept. of Experimental Sciences and Applied Biotechnologies, Unit of Applied Physiology and Comparative Ethology , Faculty of Veterinary Medicine – University of Messina, Italy. |
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Innella, G. |
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Equine Behaviour @ team @ |
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4491 |
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Houpt, K.A. |
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Maternal behavior in horses |
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2008 |
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Mares quickly form a bond with their foals, probably within the first hour. They lick the foal usually beginning at the tail end, then the head and later the body of the foal. Licking behavior disappears within the first hours in most mares. Once the bond is formed the mare will let no other foal nurse and stays within a meter of the foal most of the time during the first week. The foal follows her when awake, but when he sleeps she stands over him. As the foal matures the distance the mare maintains from the foals get longer and she may graze as he sleeps. The bond of the mother to the foal gradually weakens as revealed by her response to separation from the foal. Weaning usually takes place shortly before the birth of the next foal. Some mares will attempt to steal foals and this can lead to injury of either the mares or the foal. Because of the strong and exclusive bond of most mares to their foal, foal rejection is especially abnormal. It occurs in some breeds more frequently than others, indicating a heritable component. Arabian mares reject 5% of their foals and other breeds reject less than 2%. There are three types of foal rejection- simple fear of the foal that can be quickly solved by holding the mare so the foal can suckle. The mare learns that nursing is pleasurable. This process usually takes only a few hours of holding the mare because foals suckle so frequently- about four times an hours. The second form of foal rejection is avoidance of tactile stimulation of the inguinal fold. When the foal attempts to suckle he usually strikes that skin fold and causes the mare to cow kick and move away. Desensitization to stimulation of the inguinal fold can solve this problem in a few hours. Treatment is more complex and longer for mares that are aggressive to the foal even when it does not touch them. This type of foal rejection can be treated with drugs that inhibit dopamine such as acepromazine-not the alpha adrenergic agent xylazine. Dopamine inhibits the pituitary hormone prolactin, a putative maternal hormone, which increases milk production. Blocking dopamine will increase prolactin. The mare should always have visual contact with the foal, but be restrained so she can not bite or kick the foal. A pole across the stall confining the mare against a wall is best. Maternal behavior can be induced in non-pregnant mares using injections of estrogen, progesterone, and the dopamine inhibitor sulpiride. Once lactation begins cervical stimulation can be used to elicit maternal behavior toward the next foal the mare sees. |
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Cornell University, Ithaca, NY 14853 |
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Houpt, K.A. |
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Invited speaker IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4456 |
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Hothersall, B. |
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Preliminary studies on visuo-spatial cue use in horses |
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2008 |
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IESM 2008 |
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A number of discrimination learning studies suggest that horses attend to spatial cues in preference to visual ones. However, global and relative spatial cues have generally been confounded so it is not clear what information horses actually used. There has also been no study of whether one cue is learnt at the expense of another, or whether multiple cues are encoded but prioritised differently. We therefore carried out a series of studies examining how horses use different cues in learning a food-finding discrimination task. All studies used a criterion for success of 7/10 on two consecutive days (binomial test, p=0.0004).
A pilot study showed that horses could discriminate between three buckets using visual cues (striped, chequered or plain patterns). All four subjects performed significantly above chance levels, although one horse’s performance did not meet the criterion. Three others completed the task in between two and 12 sessions. There were some indications that horses tried to solve the task using irrelevant spatial information.
Nine foals were then taught to find a food reward using the same three patterned buckets placed in a row in any corner of a test arena. In Stage 1 the rewarded bucket was signified both by visual cues (pattern) and by relative spatial cues (left, middle or right position). Foals took between 2 and 10 days to complete the task , whereupon the cues were separated. Foals then had to ignore the inappropriate cue in Stage 2. For the Spatial group (n=5), only relative position remained relevant; for the Visual Group (n=4) bucket pattern indicated the rewarded bucket. Spatial group foals completed Stage 2 faster than Visual group foals (Mann Whitney U, z=-2.71, p=0.008). Position cues seemed to overshadow learning about visual cues: Visual group foals persisted in responding to the previously correct position and none reached criterion within the maximum available time (15 days to complete both stages).
Finally, five adult horses and one 10 month old filly learnt to find a reward in one of three identical yellow buckets whose position in an array (left, middle or right) and location within the test arena were consistent. On reaching criterion, responses were recorded in two unrewarded probe trials where the buckets were either shifted along the same axis or rotated by 90º. When the array was shifted, five out of six horses chose the previously correct position (binomial test, p=0.018) that was now in a new location within the school. Choices were not significantly different from random when the array was rotated, suggesting that the horses had learnt something about global cues even if they did not use them in selecting a bucket.
At the small scale tested, relative spatial cues (position with regard to other goals) seemed to be more important to horses than either visual cues or global spatial cues, though the latter appeared to be encoded to some extent. Reliance on spatial cues may reflect their usefulness in the horse’s natural lifestyle in navigating over long distances and feeding on visually similar plants. |
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University of Bristol, Clinical Veterinary Science |
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Hothersall, B. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4493 |
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Hopkins, H. |
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The Assategue of the West Project: An introduction to a 5-year logitudinal study of Immunocontraceptive use on America's Wild Horses |
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2008 |
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IESM 2008 |
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The Humane Society United States (HSUS) has been partnering with several prominent researchers for over 20 years to assess the potential use of Porcine Zona Pellucida (PZP), a protein used as a fertility control vaccine for wild horses. Past studies on herds located on barrier islands of the eastern United States have demonstrated that PZP prevented pregnancies and was a valuable tool for population management. With the generous support of the Annenberg Foundation and in partnership with the Science and Conservation Center, Tufts University and The University of Toledo, HSUS is conducting a 5-year longitudinal study to assess the effectiveness of immunocontraception on over 600 wild horses in the western United States.
This project involves 2 herds of over 300 wild horses each located in Utah and Colorado. We began gathering pre treatment data in April 2008. Birth rates, band size, and individual horse identifications were recorded. In the winter of 2008/2009 both herds will be captured and all mares that are released will be treated with a 2-year-duration PZP vaccine. Both herds will be closely monitored for reproduction and behavior changes for 3 years. We will record the differences in reproductive success of treated and untreated (not captured) females.
HSUS is also seeking to develop refinements to the PZP vaccine and delivery technologies. HSUS is currently trying to improve the production of the PZP vaccine by producing it with techniques that are more efficient and less costly. Improving delivery methods for the 2 year drug is another goal of this research that may allow herd managers the flexibility of treating mares year round without having to capture it. HSUS also hopes to demonstrate that incorporating this new delivery method and proactively managing wild horse herds will assist in maintaining wild horse populations at a level that is sustainable and manageable. |
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The Humane Society United States, 7727 Hawthorne Dr, Cheyenne WY 82009,Heidi Hopkins, hhopkins@hsus.org |
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Hopkins, H. |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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yes |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4496 |
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Hazard, H. |
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Title |
Horses: Companions for Life |
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Conference Article |
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2008 |
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IESM 2008 |
Abbreviated Journal |
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Abstract |
The Humane Society United States (HSUS) has been partnering with several prominent researchers for over 20 years to assess the potential use of Porcine Zona Pellucida (PZP), a protein used as a fertility control vaccine for wild horses. Past studies on herds located on barrier islands of the eastern United States have demonstrated that PZP prevented pregnancies and was a valuable tool for population management. With the generous support of the Annenberg Foundation and in partnership with the Science and Conservation Center, Tufts University and The University of Toledo, HSUS is conducting a 5-year longitudinal study to assess the effectiveness of immunocontraception on over 600 wild horses in the western United States.
This project involves 2 herds of over 300 wild horses each located in Utah and Colorado. We began gathering pre treatment data in April 2008. Birth rates, band size, and individual horse identifications were recorded. In the winter of 2008/2009 both herds will be captured and all mares that are released will be treated with a 2-year-duration PZP vaccine. Both herds will be closely monitored for reproduction and behavior changes for 3 years. We will record the differences in reproductive success of treated and untreated (not captured) females.
HSUS is also seeking to develop refinements to the PZP vaccine and delivery technologies. HSUS is currently trying to improve the production of the PZP vaccine by producing it with techniques that are more efficient and less costly. Improving delivery methods for the 2 year drug is another goal of this research that may allow herd managers the flexibility of treating mares year round without having to capture it. HSUS also hopes to demonstrate that incorporating this new delivery method and proactively managing wild horse herds will assist in maintaining wild horse populations at a level that is sustainable and manageable. |
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The Humane Society United States, Chief Innovation Officer, The Humane Society of the United States, 700 Professional Drive, Gaithersburg, MD 20879 |
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Corporate Author |
Hazard, H. |
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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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4495 |
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Hausberger, M |
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Title |
Temperament and Personality in Horses: An Overwiev |
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2008 |
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IESM 2008 |
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The existence of individual variations in behaviour has been demonstrated in all species investigated. Horses do show individual variations in a variety of behaviours from an early age on, as well as in behavioural traits underlying temperament/personality. Temperament is generally described as the “biological” (i.e.genetic) basis on which personality, as a result of environmental influences (i.e. experience), will be constructed. Indeed, genetic factors such as breed or patriline do have an influence on aspects like emotional reactions to fear-inducing situations or cognitive abilities while environmental factors, such as the conditions of life or the type of work performed, have also an influence on horse personality. We will review here the existing evidence of this interplay between genetic and environmental influences, showing that different traits can be differently influenced, and then look more thoroughly at the processes involved.
A particular accent will be given to the influence of the human-horse relation on personality traits of horses, both at adult stages through management, daily interactions and type of work, and at early stages through management and handling of foals.
The question of the stability of traits across situations and over time, that is of the possible predictibility of behavioural traits, is central, especially where the transfer from experimental situations (behavioural tests) to working situations and performance is concerned. The question of methodological approaches (behavioural tests, observations, questionnaires) can be crucial here and will be discussed.
In overall, this review should help understanding the determinants of horse temperament/personality traits and their implication in terms of choice of the appropriate horse for a given owner, better management and training for a better welfare and horse-human relationship. Genetic influences may lead to different susceptibilities to the same environmental conditions which mean that there are no such thing as “bad” or “good” horse temperaments but rather different horse types that may require different management or training schedules. |
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University of Rennes, Sciences de la Vie et de l Environnement |
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Hausberger, M |
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IESM 2008 |
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Invited speaker IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
Serial |
4458 |
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von Borstel, U.; Gauly, M. |
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An overview of the MSc-program in equine science at the University of Göttingen |
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2008 |
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IESM 2008 |
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The MSc-program in Equine Science, initiated in 2006 in response to needs for scientific support of the growing equine sector, is the first of its kind in Germany. It is offered by the Faculty of Agriculture Science, Department of Animal Breeding and Genetics at the University of Göttingen, Germany, however courses are delivered in cooperation with the University of Veterinary Medicine Hannover and the German Equestrian Federation (FN). The courses are concerned with the scientific basis of horse breeding, husbandry, nutrition, physiology, behaviour, and health, as well as with aspects of business administration and management of equine facilities and their impact on society, economy and the environment. Courses are delivered in German and – in the case of some guest speakers – English language in form of lectures, laboratories, seminars, group-projects, internships and a combination thereof. Currently, the program is limited to 30 students per year and requirements for admittance are a BSc (or equivalent) degree in animal science or related subjects. However, graduates of programs e.g. in business administration, economics, or veterinary or law schools, are also accepted. The program takes two years (four semesters), and requires the completion of 120 European Credit Transfer System points, i.e. a workload of approximately 3000 hours. This timeframe includes the preparation of a thesis based upon research in topics related to equine science, demonstrating the candidate"s capacity for original and independent work. Further information about the program can be obtained from the official website: http://www.pferde.uni-goettingen.de . Career options for graduates include equine facilities management, consulting services, agriculture extension services, feed industry, agricultural ministry and related civil service, universities and research institutions. |
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Corresponding author: Uta.vonborstel@agr.uni-goettingen.de |
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Gauly, 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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4497 |
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Flauger, B.; Krueger, K. |
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Ecology and evolution of equine cognitive abilities |
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2008 |
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IESM 2008 |
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The cognitive abilities of social ungulates, in particular horses, have widely been neglected. Preliminary results suggest that horses are capable of social cognition which they acquire through social learning. They gain information from the observation of the interaction of a conspecific and a human experimenter, and adjust their own behaviour towards the experimenter with respect to the observed horse"s reaction and relative dominance status (Krueger and Heinze, 2007). Horses are a highly social species that still exists in different evolutionary stages: domestic horses, feral horses and wild horses (Przewalski horses). Additionally, domestic and wild horses differ in their individual social behaviour. For example, in social interactions Przewalski horses appear to act significantly more aggressively than domestic horses. Therefore studies on horses are particularly suitable to investigate whether convergent social evolution favours convergent cognitive evolution. By a comparative study concerning their reasoning abilities in a specific situation, we will attempt to determine the influence of domestication and feralisation on the evolution of social cognition and to investigate possible differences in their abilities to cope with stressful situations. We started to observe the behaviour of domestic and wild horses, in particular during the integration into new social groups, especially in relation with their knowledge of the social structure of new groups and their own relative social status. Selected agonistic interactions will be measured and statistically evaluated. Additionally, the stress level of the horses will be determined by an analysis of stress hormone levels, particularly cortisol metabolites, in plasma, saliva and faeces. |
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Flauger, B. |
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IESM 2008 |
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Poster IESM 2008 |
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yes |
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Equine Behaviour @ team @ |
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4500 |
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De Pasquale, A.; Ingala, A.; Innella, G.; Luigiano, G.; Malara, L.; Panzera, M. |
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The influence of the enriched environment on the reactivity of the precociously handled foals (Equus caballus L.). |
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2008 |
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IESM 2008 |
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Foal, Handling, Enriched environment, Reactivity. |
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In a preliminary study, we evaluated the effect of precocious handling (at birth, 10, 30 and 60 days) and enriched environment on foal. Two experimental groups were created:
- 3 foals not handled and stabled in semi-enriched environment (Group A).
- 6 foals handled and stabled in an enriched environment (Group B).
All nine foals were tested with a novel object test (umbrella) at three months of age, to assess the Heart Rate (HR) values measured by a telemetric heart rate monitor (Polar Horse Trainer), during opening, touching and closing of the umbrella.
The statistical analysis carried out by means of the Mann-Whitney test showed lower HR values of the foals of group B (P<0.05).
Furthermore we have investigated 10 foals born between 2006 and 2008 to study the influence of enriched environment and precocious handling on behavioural responsiveness. The foals were housed on a farm which ensured an enriched environment and made social intra and interspecific interactions easier, alias autoshaping. They were submitted to:
- Handling within 24 hours from birth.
- Handling and reactivity test (arena test) executed at 10, 30 and 60 days.
The temporal correlation was studied among ages and baseline HR values, using the
Spearman"s test, to assess the beginning of neurovegetative HR control.
In fact statistically significant differences were obtained (r = -0.431; P<0,02). Temporal values of obtained HR baseline, using the Wilcoxon test, showed lower values at 60 days. The comparison was significant among mean and max baseline HR values of 30 vs 60 and 10 vs 60 (P<0.05), while no differences were observed during the reactivity test. This shows that adequate conditions of management associated to a precocious and continuous handling allow the foals to maintain their natural investigative behaviour disappearing fear and flight reactions. |
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Dept. of Experimental Sciences and Applied Biotechnologies, Unit of Applied Physiology and Comparative Ethology , Faculty of Veterinary Medicine – University of Messina, Italy. |
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De Pasquale, A |
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IESM 2008 |
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Talk 15 min IESM 2008 |
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Equine Behaviour @ team @ |
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4486 |
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Cregier, S.; Holmes, O. |
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The Welfare of Horses During Transport |
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2008 |
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IESM 2008 |
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Standard horse trailers, adapted from dead-weight delivery wagons, were never intended to carry live weight. Horse magazines and scientific, veterinary, animal behaviour, and engineering journals indicate the consequences: scrambling, trailer sway, equipment damage, loss of tow vehicle control, jack knifing, rollovers, and injuries to horses, handlers, and rescuers. The standard horse trailer cannot meet motor vehicle regulations requiring trailers to halt within 9 metres (30 feet) at 32 kilometres (20 miles) per hour without jack knifing. Equipment intended to protect the horse in transit adds to travel hazards. University of Guelph Ontario Veterinary Clinic surgeons report that head, throat, chest, shattered shoulder blades, butt bar or chain injuries to hocks and legs, and pastern injuries, in that order, are common. Internal, back, and hindquarter injuries also result due to the horse“s forced high-headed, wider hindleg stance or falling during transport. The horse”s sacroiliac joint, not intended to be weight bearing, is easily dislocated by pathologists. This is why for centuries horsemen have released tension from horses“ backs and necks by ”showing them the way to the ground.“ It was Italian cavalryman Federico Caprilli”s forward seat which removed strain on the horse“s hindquarters and freed its head to balance. More demanding jumps, slides and races were possible. Today, only two horse transport designs allow the horse to balance automatically and naturally during transit. Strain on the horse”s hindquarters is removed. These transports, adapted to equine behavioural needs, meet Office International des Epizooties (OIE) standards for handler and horse safety and welfare, and automotive safety. Japanese and U.S. studies on performance horses transported according to OIE standards have indicated that these horses have a competitive advantage. Applying these standards allows a horseman to complete a journey with the same horse that began it. |
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University of Prince Edward Island |
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Cregier, S. |
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IESM 2008 |
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Invited speaker IESM 2008 Fullpaper |
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Equine Behaviour @ team @ |
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4455 |
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