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Topic:Communication
Communication in horses encompasses the various ways in which these animals convey information, emotions, and intentions to each other and to humans. This involves a range of vocalizations, body postures, facial expressions, and behavioral cues. Horses utilize these communication methods to establish social hierarchies, express discomfort or stress, and coordinate group movements. Understanding equine communication can enhance human-horse interactions and improve welfare practices. This page compiles peer-reviewed research studies and scholarly articles that explore the mechanisms, interpretation, and implications of communication behaviors in equine species.
Replication Pilot Trial of Therapeutic Horseback Riding and Cortisol Collection With Children on the Autism Spectrum. We aimed to determine whether results of our prior randomized control trial [RCT; NCT02301195, (1)] of Therapeutic Horseback Riding (THR) for children and adolescents with autism spectrum disorder (ASD) could be at a different riding center and if treatment effects also included differences in the expression of associations between problem behavior and the activity of the hypothalamic-pituitary-adrenal (HPA) axis. Participants with ASD ( = 16) ages 6-16 years were randomized by nonverbal intelligence quotient to either a 10-week THR group ( = 8) or no horse interaction barn activity (BA) cont...
Domestic horses (Equus caballus) discriminate between negative and positive human nonverbal vocalisations. The ability to discriminate between emotion in vocal signals is highly adaptive in social species. It may also be adaptive for domestic species to distinguish such signals in humans. Here we present a playback study investigating whether horses spontaneously respond in a functionally relevant way towards positive and negative emotion in human nonverbal vocalisations. We presented horses with positively- and negatively-valenced human vocalisations (laughter and growling, respectively) in the absence of all other emotional cues. Horses were found to adopt a freeze posture for significantly longe...
Referring equine veterinarians’ expectations of equine veterinary specialists and referral centers. OBJECTIVE To explore referring equine veterinarians' expectations of equine veterinary referral centers and specialists. DESIGN Qualitative, focus group interview-based study. SAMPLE 6 focus groups comprised of equine practitioners with experience in referral of clients and patients to equine specialists or referral centers (48 referring veterinarians [rDVMs]). PROCEDURES Focus group sessions were conducted independently and followed a standardized discussion guide consisting of open-ended questions and follow-up probes. Discussions were recorded, and thematic analysis was performed on the con...
Author Correction: Domestic horses (Equus caballus) prefer to approach humans displaying a submissive body posture rather than a dominant body posture. In the original publication, data availability text was incorrectly published. The correct text should read as below.
Domestic horses (Equus caballus) prefer to approach humans displaying a submissive body posture rather than a dominant body posture. Signals of dominance and submissiveness are central to conspecific communication in many species. For domestic animals, sensitivities to these signals in humans may also be beneficial. We presented domestic horses with a free choice between two unfamiliar humans, one adopting a submissive and the other a dominant body posture, with vocal and facial cues absent. Horses had previously been given food rewards by both human demonstrators, adopting neutral postures, to encourage approach behaviour. Across four counterbalanced test trials, horses showed a significant preference for approaching the s...
Do olfactory behaviour and marking responses of Konik polski stallions to faeces from conspecifics of either sex differ? The aim of the study was to assess whether adult stallions differentiate their olfactory and marking behaviour towards the excreta of their potential male rivals and mares. Four Konik polski stallions were individually exposed simultaneously to their own and each others' faeces as well as faeces of mares in oestrus vs. dioestrus. Five series of 30min observation sessions were conducted in a round pen each on two consecutive days from March to July, totaling in 5h observation per stallion. Stallions sniffed and displayed flehmen reaction towards mares' faeces significantly longer (P<0.01) th...
Vocal expression of emotional valence in Przewalski’s horses (Equus przewalskii). Vocal expression of emotions has been suggested to be conserved throughout evolution. However, since vocal indicators of emotions have never been compared between closely related species using similar methods, it remains unclear whether this is the case. Here, we investigated vocal indicators of emotional valence (negative versus positive) in Przewalski's horses, in order to find out if expression of valence is similar between species and notably among Equidae through a comparison with previous results obtained in domestic horse whinnies. We observed Przewalski's horses in naturally occurring ...
Autism and Equine-Assisted Interventions: A Systematic Mapping Review. This systematic mapping review mapped current knowledge of equine-assisted interventions for people with autism to help guide future practice and research. Thirty-three studies including children and adolescents with autism, 3 of which confirmed diagnoses, were reviewed. Five types of equine-assisted activities were identified across 25 studies, with reported improvements in behavior, social interaction, and communication. Four types of equine-assisted therapies were identified across 8 studies, with reported improvements in motor control and self-care. Different approaches to therapeutic ridi...
Estimating the Availability of Potential Homes for Unwanted Horses in the United States. There are approximately 200,000 unwanted horses annually in the United States. This study aimed to better understand the potential homes for horses that need to be re-homed. Using an independent survey company through an Omnibus telephone (land and cell) survey, we interviewed a nationally projectable sample of 3036 adults (using both landline and cellular phone numbers) to learn of their interest and capacity to adopt a horse. Potential adopters with interest in horses with medical and/or behavioral problems and self-assessed perceived capacity to adopt, constituted 0.92% of the total sample....
How stallions influence the dynamic of collective movements in two groups of domestic horses, from departure to arrival. The role of leader in polygynous species has been solely attributed to the male for some time, but recent studies have shown decision making to be distributed within the group. However, the specific reproductive strategy and behavioural repertoire of males in polygynous species such as horses may mean that these individuals still have the potential to play a specific role during decision making. To investigate this subject, we thoroughly studied the behaviour of two domestic stallions during collective movements of their group. We found that they initiated rarely and sometimes failed to recrui...
“We’ve learned to live with it”-A qualitative study of Australian horse owners’ attitudes, perceptions and practices in response to Hendra virus. Hendra virus causes sporadic zoonotic disease in Australia following spill over from flying foxes to horses and from horses to people. Prevention and risk mitigation strategies such as vaccination of horses or biosecurity and property management measures are widely publicised, but hinge on initiative and action taken by horse owners as they mediate management, care and treatment of their animals. Hence, underlying beliefs, values and attitudes of horse owners influence their uptake of recommended risk mitigation measures. We used a qualitative approach to investigate attitudes, perceptions and...
Difficulties experienced by veterinarians when communicating about emerging zoonotic risks with animal owners: the case of Hendra virus. Communication skills are essential for veterinarians who need to discuss animal health related matters with their clients. When dealing with an emerging zoonosis, such as Hendra virus (HeV), veterinarians also have a legal responsibility to inform their clients about the associated risks to human health. Here we report on part of a mixed methods study that examined the preparedness of, and difficulties experienced by, veterinarians communicating about HeV-related risks with their clients. Methods: Phase 1 was an exploratory, qualitative study that consisted of a series of face-to-face, semi-st...
Perception of emotional valence in horse whinnies. Non-human animals often produce different types of vocalisations in negative and positive contexts (i.e. different valence), similar to humans, in which crying is associated with negative emotions and laughter is associated with positive ones. However, some types of vocalisations (e.g. contact calls, human speech) can be produced in both negative and positive contexts, and changes in valence are only accompanied by slight structural differences. Although such acoustically graded signals associated with opposite valence have been highlighted in some species, it is not known if conspecifics disc...
Domestic horses send signals to humans when they face with an unsolvable task. Some domestic animals are thought to be skilled at social communication with humans due to the process of domestication. Horses, being in close relationship with humans, similar to dogs, might be skilled at communication with humans. Previous studies have indicated that they are sensitive to bodily signals and the attentional state of humans; however, there are few studies that investigate communication with humans and responses to the knowledge state of humans. Our first question was whether and how horses send signals to their potentially helpful but ignorant caretakers in a problem-solving ...
Brief Report: The Effects of Equine-Assisted Activities on the Social Functioning in Children and Adolescents with Autism Spectrum Disorder. Equine-assisted activities and therapies are increasing in popularity for treatment of ASD symptoms. This research evaluated effects of a 5-week programme of therapeutic riding on social functioning of children/adolescents (N = 15) with ASD. The effectiveness of the programme was evaluated using the autism spectrum quotient, the Vineland Adaptive Behaviour Scale and the empathising and systemising quotient. Results established that the TR intervention increased empathising and reduced maladaptive behaviours. The findings also indicated that specific adaptive behaviours like socialization and...
Evidence of heterospecific referential communication from domestic horses (Equus caballus) to humans. Referential communication occurs when a sender elaborates its gestures to direct the attention of a recipient to its role in pursuit of the desired goal, e.g. by pointing or showing an object, thereby informing the recipient what it wants. If the gesture is successful, the sender and the recipient focus their attention simultaneously on a third entity, the target. Here we investigated the ability of domestic horses (Equus caballus) to communicate referentially with a human observer about the location of a desired target, a bucket of food out of reach. In order to test six operational criteria ...
Views on equine-related research in Australia from the Australian equestrian community: perceived outputs and benefits. The extension of research into public practice is enhanced by communication and behaviour change strategies that are consistent with consumer needs and perspectives. To gain support for equine research (or to appreciate the perspectives contributing to disagreement), it is necessary to determine how aware consumers are of research, what research means to them, how they perceive its benefits (if at all) and how they engage with (or resist) it. Because of a surprising dearth of research evaluating consumer perceptions of research in any sector, our aim was to identify the perceived outputs and b...
Working together to achieve the best outcomes for equine health and welfare. Gill Harris reports from this year's National Equine Forum where a key theme was the importance of collaboration and effective communication in achieving the best outcomes for the health and welfare of the horse and the future of equestrianism in the UK.
Reconciling Horse Welfare, Worker Safety, and Public Expectations: Horse Event Incident Management Systems in Australia. Human-horse interactions have a rich tradition and can be highly rewarding, particularly within sport and recreation pursuits, but they can also be dangerous or even life-threatening. In parallel, sport and recreation pursuits involving animals, including horses, are facing an increased level of public scrutiny in relation to the use of animals for these purposes. However, the challenge lies with event organisers to reconcile the expectations of the public, the need to meet legal requirements to reduce or eliminate risks to paid and volunteer workers, and address horse welfare. In this article...
Randomized Controlled Trial of Therapeutic Horseback Riding in Children and Adolescents With Autism Spectrum Disorder. This study expands previous equine-assisted intervention research by evaluating the effectiveness of therapeutic horseback riding (THR) on self-regulation, socialization, communication, adaptive, and motor behaviors in children with autism spectrum disorder (ASD). Methods: Participants with ASD (aged 6-16 years; N = 127) were stratified by nonverbal IQ standard scores (≤85 or >85) and randomized to 1 of 2 groups for 10 weeks: THR intervention or a barn activity (BA) control group without horses that used similar methods. The fidelity of the THR intervention was monitored. Participants ...
Segregation of information about emotional arousal and valence in horse whinnies. Studying vocal correlates of emotions is important to provide a better understanding of the evolution of emotion expression through cross-species comparisons. Emotions are composed of two main dimensions: emotional arousal (calm versus excited) and valence (negative versus positive). These two dimensions could be encoded in different vocal parameters (segregation of information) or in the same parameters, inducing a trade-off between cues indicating emotional arousal and valence. We investigated these two hypotheses in horses. We placed horses in five situations eliciting several arousal level...
The role of associative and non-associative learning in the training of horses and implications for the welfare (a review). Horses were domesticated 6000 years ago and since then different types of approaches have been developed to enhance the horse's wellbeing and the human-horse relationship. Even though horse training is an increasingly important research area and many articles have been published on the subject, equitation is still the sport with the highest rate of human injuries, and a significant percentage of horses are sold or slaughtered due to behavioral problems. One explanation for this data is that the human-horse relationship is complex and the communication between humans and horses has not yet been...
Narrative synthesis of equine-assisted psychotherapy literature: Current knowledge and future research directions. Equine-assisted psychotherapy (EAP) is an innovative emerging approach to mental health treatment. This narrative synthesis explores the current state of knowledge and areas for future research in EAP. Specifically reviewed are qualitative and quantitative empirical studies, including both articles published in peer-reviewed journals and research presented in theses and dissertations. We selected 24 studies for final inclusion in this study, dating between 2005 and 2013, and including the first EAP empirical research completed in 2005. Four of these studies are peer-reviewed journal articles, ...
Transcriptome profiling of granulosa and theca cells during dominant follicle development in the horse. Several aspects of equine ovarian physiology are unique among domestic species. Moreover, follicular growth patterns are very similar between horses and humans. This study aimed to characterize, for the first time, global gene expression profiles associated with growth and preovulatory (PO) maturation of equine dominant follicles. Granulosa cells (GCs) and theca interna cells (TCs) were harvested from follicles (n = 5) at different stages of an ovulatory wave in mares corresponding to early dominance (ED; diameter ≥22 mm), late dominance (LD; ≥33 mm) and PO stage (34 h after administration...
The Saratoga WarHorse project: a case study of the treatment of psychological distress in a veteran of Operation Iraqi Freedom. We theorized that ability to direct and control a horse will lead to a sense of empowerment, facilitate a relationship between horse and veteran, lead to a decrease in anxiety, and improve physical and social functioning. Methods: This case study utilizes the Connection methodology: nonverbal language of the horse in a predictable, sequential, and repeatable method. Psychological testing occurred immediately pre- and post-Connection with follow-up occurring at 2, 4, 6, and 12 wks post-Connection. Methods: Twice-deployed combat medic who served in Operation Iraqi Freedom (OIF). Methods: Saratog...
Prepurchase examination in ambulatory equine practice. Prepurchase examination provides a significant opportunity for veterinarians to offer an important professional service to the equine industry. When the service is performed competently and ethically, prospective buyers and sellers will recommend the examining veterinarian to fellow horse owners and professionals. To become comfortable with and skilled at performing prepurchase examinations, a veterinarian must understand the operational challenges associated with this service-and master them. Veterinarians performing prepurchase examinations should address the needs and manage the expectation...
The ambulatory practitioner and the referral center: two perspectives in equine surgery. Practicing at a referral center makes one aware of the necessity for consistent clear communication with the referring veterinarians. The referring veterinarian is ultimately the primary client of the referral center and should be respected as such. Once the necessary care has been provided, the client and horse should be returned to the care of the referring veterinarian. It is important that the referring veterinarian stay involved in the case and communicate if they wish for more or less contact with the referral center.
Equine wellness care in ambulatory practice. Clients want dependable veterinary care and to understand how the services will benefit and meet their horse’s needs. Wellness visits provide ambulatory practitioners with great opportunities to strengthen the doctor-client-patient bond; effective communication with clients during wellness visits, where new literature or facts can be presented, can offer opportunities for demonstrating the value of having the veterinarian maintain a primary role in disease control. The criteria for selecting vaccines, interpreting FECs, and diagnosing dental pathology require the continued need for veterinar...
[Hippotherapy in the paedopsychiatric care project]. Hippotherapy uses relationships with horses as a mediation method. The care treatment aims to act on the psychological functioning of children affected by relational disorders, especially in order to help the development of communication and emotions. A partnership has been established between the paedopsychiatric university centre at the CHRU in Tours (37) and a horse-riding centre.
