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Topic:Behavior
Equine behavior encompasses the study of horses' actions, reactions, and interactions within their environment and with other living beings. It includes the examination of innate behaviors, such as grazing and herd dynamics, as well as learned behaviors influenced by training and human interaction. Understanding equine behavior is essential for improving horse welfare, training methods, and management practices. This topic covers a range of behaviors, from social structures and communication to stress responses and problem behaviors. This page compiles peer-reviewed research studies and scholarly articles that explore the various aspects of equine behavior, including factors that influence it and its implications for horse management and welfare.
The use and perception of hay nets and slow feeders by horse owners and handlers: findings from a United Kingdom survey. Hay nets and slow feeders are widely used in equine management, yet United Kingdom (UK) horse owners' perceptions of these devices are underexplored. An online cross-sectional survey (66 questions) was distributed via social media between 5 July and 6 August 2024, yielding 100 valid responses from UK horse owners. Data were analysed descriptively and using chi-square/Fisher's exact tests. Hay nets only were used by 42 respondents, slow feeders only by 26, and both by 32. Safety concerns were reported by 43% of hay net users, most often entanglement and dental issues, although 81% used hay nets...
Morphological and Behavioural Predictors of Motor Laterality in Domestic Horses: A Cross-Sectional Field Study. Motor laterality in horses affects performance, training, and welfare. A simple morphological marker for laterality would help riders, trainers, and veterinarians identify likely locomotor asymmetries early. This study tested whether observable morphological and behavioural characteristics were associated with rider-perceived motor laterality in domestic horses, using a cross-sectional observational field study design conducted in the Blida and Algiers regions of Algeria. The study included 100 regularly ridden domestic horses. Mane orientation, facial whorl characteristics, standing curvature...
A novel water additive increases voluntary water intake in healthy horses. To determine whether healthy horses would increase their voluntary water intake (VWI) when offered a novel water additive (NWA) compared to plain water (TAP) and water flavored with sweet feed, referred to as sweet tea (ST). Unassigned: 12 clinically healthy horses, aged 2 to 5 years old, were enrolled in the experimental crossover design. Four horses were assigned to each group for each of the 3 study weeks. The order that the horses were allocated to study groups was randomly assigned. All horses had access to 2 buckets filled to 16 L, one containing plain water (untreated bucket) and one co...
Impact of a Riding Event and Ambient Temperature on the Heart Rate of Gotlandsruss Ponies. Visitors to zoos present unpredictable visual and auditory stimulation for captive animals. Coupled with high ambient temperatures this might prove stressful for animals involved in human interactions. This study aims to determine if Gotlandsruss ponies are stressed by visitors during a childrens riding event at Slottsskogen, a zoo park, in Gothenburg, Sweden and whether ambient temperature also had an impact. Decibel level, temperature, and the ponies heart rate were monitored during the event. Each pony's maximum rate during exercise and resting heart rate were measured to compare with heart...
Cooperative Care in Zoo, Livestock, and Companion Animals and Positive Reinforcement in Horses: A Scoping Literature Review. Cooperative care, training an animal to voluntarily participate in care procedures using positive reinforcement, may improve welfare and lower stress in horses. This scoping literature review synthesizes two bodies of research to analyze existing scientific evidence on cooperative care and explore its potential application for horses. Two literature searches were conducted in ScienceDirect, CABI Digital Library, PubMed, and Google Scholar using predefined search terms and eligibility criteria. Publications were reviewed against two sets of inclusion and exclusion criteria. A total of 1,518 rec...
Behavioral changes in thoroughbred horses following pre-training: insights from novel object tests and activity monitoring under field conditions. Racehorse training starts with pre-training, which is conducted at a very early age and remains controversial from an animal welfare perspective. This study investigated how a 12-week pre-training program influenced the behavior of young Thoroughbred horses. Horses were assessed before (A) and after (B) pre-training, which progressed from habituation and handling to ridden exercise and canter work on a racetrack. Behavioral responses were evaluated using standardized novel object tests and continuous 24-h stall monitoring via inertial measurement unit sensors. Novel object test behavior was vi...
Five Domains, Multiple Realities: A Multidimensional Analysis of Equine Welfare in Equestrian Events in Brazil. Welfare assessments at traditional equestrian events in Brazil are scarce. This study aimed to systematize and stratify assessments based on the Five Domains (5DMs) model into subdomains (sDMs) for vaquejada and gait events and to adapt them to reflect local conditions and resource availability. Subsequently, the sDMs were classified and scored on a 5-level scale (1 to 5, where 1 = very poor and 5 = excellent), and assessments were conducted at three vaquejada and five gaited horse competitions. Assessments took place during morning, afternoon, and evening periods over two or more days and wer...
Correction: Sleep architecture and lying behavior in horses across age groups and two housing systems: an overnight non-invasive EEG study. [This corrects the article DOI: 10.3389/fvets.2026.1898580.].
Human-horse interactions as complementary strategies for mental health promotion. Animal-assisted interventions (AAI) represent complementary rehabilitative approaches designed to address a range of physical and mental health conditions. Among these, Equine-assisted interventions (EAI) offer structured opportunities for engagement through diverse activities conducted within naturalistic settings, thereby integrating therapeutic processes with ecological contexts. Methods: Over the past years, our group has developed and implemented standardized AAI methodologies that are now embedded within comprehensive intervention planning. This overview summarizes the application of dif...
Mutual wellbeing in an equine-assisted intervention: experimental evidence for the two-way hypothesis and the importance of interaction method. Rising rates of mental health disorders have increased demand for scalable, non-pharmacological interventions. Interactions with animals can improve emotional wellbeing across diverse populations, yet the mechanisms responsible for these benefits remain poorly understood. Most research focuses on human outcomes while treating the animal as a passive component of the interaction, despite human-animal interactions being inherently reciprocal. We therefore propose the Two-Way Hypothesis, which predicts that human behavior shapes animal behavior, which in turn contributes to variation in human emo...
Stable Beginnings – A call to transform methods of weaning horses. There are currently a range of different weaning methods used in the UK, with no clear consensus or guidance to support the optimal welfare of both mares and foals during and post weaning. Objective: To explore welfare charity professionals' perceptions of approaches to weaning horses in the UK. Methods: Participants from welfare charities with experience in management, and welfare of horses from birth to death were recruited. They reviewed videos of weaning approaches and a chart of behavioural welfare indicators. They then took part in discussions on methods of weaning, considering their opi...
Equine-based community service offered through horse breed association youth programs: Parent and community partner perceptions of participation, benefits, and program growth. Equine-based community service activities offered through horse breed association youth programs provide opportunities for youth to engage in volunteerism while interacting with horses. Although these programs are widely available, research examining stakeholder perceptions remains limited. Objective: To examine parent and community partner perceptions of equine-based community service activities offered through horse breed association youth programs, including perceived benefits, participation patterns, recruitment, implementation challenges, and opportunities for program development. Methods...
Pilot Study on the Development and Assessment of a Novel Sensor for Measuring Rein Tension. Effective horse-rider communication is essential in equestrian sports, both for performance and animal welfare. Rein tension, which is often applied through negative reinforcement (i.e., the release of pressure to reward a desired response), plays a central role in this interaction. However, high or inconsistent tension can lead to discomfort or injury, particularly in the mouth cavity. While previous studies have analyzed rein tension in basic gaits such as walk, trot, and canter, limited research exists on more complex maneuvers like jumping or abrupt stops. This pilot study introduces a cus...
Relationship Between Feed Olfactory Exploration and Consumption in Horses. The aim of the study was to evaluate the relationship between horses' behaviour during olfactory exploration and following consumption of the same food containing herbs, either previously exposed to the herb odour or not. Twenty horses' responses to 14 herbs were compared in a smelling test, when the horses sniffed a herb, and after 20 min a consumption test, when they consumed oats mixed with the same herb. Before the tests, the horses were exposed to the scent of seven herbs, whereas the remaining seven herbs were non-pre-exposed. The results show that horses consumed oats with herbal additi...
Transforming retraining: Supporting racehorses to have successful second careers. Optimizing long-term welfare outcomes for Thoroughbred racehorses following retirement from racing is a priority across the global horse racing industry. Following their racing career, horses are required to adapt to a markedly different lifestyle, involving substantial physical, behavioural, and mental adjustment. This study consulted experienced retrainers to identify factors that inform successful retraining and transition of former racehorses to promote positive lifelong outcomes beyond racing. An online survey of 100 global stakeholders experienced in retraining former racehorses explor...
Measuring Activity-Rest Condition by Using Two Different Accelerometer Devices in Trained and Retired Horses. To advance technological applications in animal welfare assessment, this study evaluated resting activity as a component of total locomotor activity (TLA) in horses using two different accelerometer devices: a collar-mounted device containing a single-axis accelerometer that records physical movement, and a three axes accelerometer that classifies the measured physical activity into nine different activities. Ten clinically healthy Italian saddle horses were enrolled in the study and divided into two groups on the basis of their lifestyle. Group A consisted of regularly trained horses housed c...
Questionnaire-Based Investigation into Stallion Management Practices in 28 Countries. Modern stud farm practices may limit stallion social contact, with potential welfare and safety implications. Objective: To describe housing, management and safety outcomes for stallions kept at horse breeding operations throughout the world and to assess regional differences. Methods: An online questionnaire was distributed via mailing lists and WhatsApp; 116 complete responses from breeding operations were collected and analysed. The focus was on management of the breeding facility, and stallion welfare indicated by management, handling and housing. Results: Respondents were from Europe (40....
Comparative genomic analysis of oxytocin and oxytocin receptor genes in the family Equidae. The oxytocin (OXT) - oxytocin receptor (OXTR) system regulates diverse biological processes including social behavior, stress responses, and processes related to domestication. While OXT is highly conserved, OXTR shows greater variability, which may contribute to species-specific adaptations. Methods: Comparative genomic analyses of OXT and OXTR coding sequences were performed across equid species using available genome assemblies and newly generated sequences obtained by next-generation sequencing. Phylogenetic relationships were inferred using maximum likelihood methods. Selection was assess...
Effect of equine flysheets on fly avoidance behaviours, body temperature, stress level, and heart rate. Flysheet use is common without any published scientific evidence to justify their use. Objective: To demonstrate the effectiveness of flysheets at reducing fly avoidance behaviours and measuring changes in body temperature, heart rate, and cortisol levels. Methods: Ten-week alternating crossover design. Methods: Five horses were enrolled. Flysheets were alternated (ON, OFF) between groups weekly for 10 weeks. Fly avoidance behaviours were recorded for 30 min once weekly. Cortisol samples were collected before flysheet application or removal, and again 10 min later. Star-Oddi data loggers...
Human-Animal Therapeutic Relationships: Communication, Welfare and Interpretative Asymmetry. Human-animal therapeutic relationships are commonly evaluated through their effects on human psychological, emotional and social well-being, whereas the experiences and welfare of non-human animals remain less consistently examined. This narrative interdisciplinary review analyses such relationships through interpretative asymmetry, integrating human-animal studies, ethology, animal welfare science and biological approaches to interspecies communication. Selected cultural examples are used only as illustrative boundary narratives. Interpretative asymmetry is defined not as a statistically meas...
Choice for the horse is paramount: Owners’ experiences in facilitating friends, forage, and freedom in their management practices. Owned horses rely on people for their behavioural needs, such as access to conspecifics, constant access to low nutrient density, fibrous forage and freedom of movement; otherwise known as friends, forage and freedom (3Fs). Restricting the 3Fs prevents horses from achieving optimal welfare. We carried out 14 semi-structured interviews in the UK and Ireland to examine horse owners' experiences, attitudes and beliefs around the provision of the 3Fs. Most participants were female, aged from 25 to 65 years, resident in the UK and kept their horse at a livery facility. A reflexive thematic analysis...
Sleep architecture and lying behavior in horses across age groups and two housing systems: an overnight non-invasive EEG study. Sleep is a crucial factor for the well-being of horses, yet assessing equine sleep in common housing conditions remains challenging. This study investigated the effects of changes in horses' immediate environment and the influence of age on their sleep and resting behavior using a novel, non-invasive electroencephalography (EEG) mask. Ten horses from the teaching herd at the University of Veterinary Medicine Vienna were observed over four consecutive nights in two different housing systems (a large communal stable vs. two separate, adjacent individual stalls). Data collection included EEG reco...
Differences between horses (Equus caballus) displaying oral and locomotor stereotypies in their responses to a stable mirror. Recent cross-species analyses suggest that the different forms of stereotypic behaviour have heterogeneous causal mechanisms. In ungulates, there are indications that some forms of locomotor stereotypy may be linked to social factors. Using the domestic horse as a model species within this clade, we investigated whether individuals displaying the locomotor stereotypy box-walking (n=6) demonstrated greater responses to a stable mirror, intended to mimic presence of a conspecific, than horses displaying the oral stereotypy crib-biting (n=5) and non-stereotypic horses (n=5). After a 24hr baseline...
“At what line does poor horsemanship cross the line to abuse, for you?” Social media discourse around high-profile incidents in the performance horse world reveals polarised views on animal welfare. High profile equestrians set an example for equestrian culture as well as public perception of horse sports. The present instrumental case study considers two incidents shared across social media. One is a dressage session featuring an elite equestrian striking at a horse 24 times with a long whip during a two-minute video. The second scenario shows a high-profile rider whipping and spurring a horse for a jump refusal during an international showjumping competition. We collected (and anonymised) 416 social media responses from a performance horse welfare equestrian group, general horse welfare...
Recognition of unfamiliar predators in domestic horses through only visual predator cues. Acoustic, olfactory, and visual predator cues trigger various adaptive responses among a variety of prey species even when they are under human protection since birth. Previous studies have found that domesticated animals show increased vigilance, stress, flight, and aggregation behaviors in response to predation threats. These investigations, however, did not directly test visual threatening cues alone in animals that communicate more with body language than vocalizations while considering individual temperament and social status. The current study aims to address this issue. Eighteen horses ...
Sensory-driven neck-limb coordination mechanisms for walk-trot-gallop gait transitions. Quadruped animals exhibit various gait patterns and switch from one to another depending on their speed. These gait patterns involve complex whole-body coordination and are mainly controlled by a distributed neural network consisting of central pattern generators (CPGs) and peripheral sensory feedback. However, how these neural networks generate various types of whole-body coordination remains unclear. Here, we focus on horse locomotion and present a neural network model that reproduces walk-trot-gallop transitions by changing only a single parameter related to speed. This model uses ground re...
Reply to Henshall et al. Commentary on “MacKechnie-Guire et al. Measuring Noseband Tightness on the Lateral Aspect of the Horse’s Face. Animals 2025, 15, 537”. In a paper published in 2017, Doherty et al [...].
Parents’ perspectives on equine-assisted occupational therapy intervention for their children with attention deficit hyperactivity disorder (ADHD). This study examined how parents experienced the ASTride Equine-Assisted Occupational Therapy intervention for their children with ADHD, and the meanings they ascribed to changes observed in their children and themselves. Unassigned: Thirteen parents of children aged 7-12 who completed the ASTride intervention participated in in-depth, semi-structured interviews. A grounded theory approach guided the analysis, which included open coding, category mapping, and thematic modeling to identify central processes across narratives. Unassigned: (1) Parents' perceived benefits for children including emo...
Behaviour and Movement Activity of Stallions and Geldings in Group Housing. There has been little research on the social behaviour of stallions and geldings kept together in group housing systems. The aim of this study was to investigate differences in behaviour and movement activity between stallions and geldings kept together in group housing. Behavioural observations and GPS measurements were conducted in Germany from July to September 2024 in four mixed groups of horses in Germany. The groups comprised 35 animals, 18 stallions and 17 geldings. The horses were observed for three consecutive days over eight hours per day. No injuries or stereotypic behaviours were o...
Sixty minutes of daily solitary turnout improved physiological and behavioral indicators of stress and welfare in stall-housed horses. Housing horses in stalls restricts natural roaming behaviors, which in turn increases stress and stereotypic behaviors. Daily turnout for voluntary exercise is common for stress mitigation, but there is no consensus for optimal duration of turnout sessions. Objective: We sought to understand how minimal and moderate-duration daily turnout affects behavioral and physiological stress indicators. Methods: In a Latin-square design, adult Quarter horses (N=11) were allowed 0, 15, or 60 minutes/day of solitary turnout for 12-day periods. In-stall behaviors and 24-hour time budgets were assessed on d...
