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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.
Behavioral and cardiorespiratory effects of a medetomidine and tramadol combination in horses. The use of combinations of sedative and analgesic drugs during standing procedures in horses is necessary to provide reliable sedation with minimal ataxia and reduced responses to surgical or other stimuli in horses. Objective: This study assessed the behavioral and cardiorespiratory effects of medetomidine (M) administered with and without tramadol (T) in horses. Methods: Eight horses were sedated intravenously with M (5 µg/kg) alone or with T (2 mg/kg) in a arandomized, blind, two-way crossover trial. Behavioral responses, including head height above the ground (HHAG), postural instability ...
Progressive structural and functional change in horses: a conceptual framework for systemic equine (patho-)physiology. A wide range of locomotor, postural, and behavioral pathophysiology in horses-often grouped under terms such as Topline Syndrome, Myofascial Dysfunction, or Poor Posture Syndrome-lack a coherent systemic explanation. These presentations share reduced performance, stability, and resilience, yet are commonly managed through isolated symptom-focused interventions. To address this gap, we propose progressive structural and functional change (PSF) as a systemic framework describing progressive reorganization processes within the equine body that link fragmented pathological domains into a coherent ...
Opportunities for agency in domestic horses: Applying the behavioural domain to increase equine welfare. Giving animals the opportunity to exercise agency can improve their welfare, but horse owners and researchers may not be aware of the growing body of agency research in other animals, and studies on agency and choice in horses are scattered across disciplines and not connected to each other or to broader theory. This paper summarises research findings on management of domestic horses through the lens of animal agency and explores the potential applications of research on choice, control, and challenge in animals to improve the welfare of horses.
Multi-Modal Feature Fusion and Hierarchical Classification for Automated Equine-Human Interaction Behavior Recognition. Automated recognition of equine-human interaction behaviors from video represents a significant challenge in computational ethology, with critical applications spanning animal welfare assessment, equine-assisted services evaluation, and safety monitoring in equestrian environments. Existing approaches to animal behavior recognition typically focus on single species in isolation, rely solely on facial expression analysis while ignoring full-body posture, or employ flat classification architectures that fail under the severe class imbalances characteristic of naturalistic behavioral datasets. Fu...
Perspectives of UK horse carers towards the use of artificial intelligence in equine healthcare. Artificial intelligence (AI) is becoming increasingly prevalent in the modern world, including in veterinary medicine. This cross-sectional study aimed to investigate horse carers' attitudes towards using AI use in equine care. Methods: An online survey was distributed to UK horse owners/carers in 2025, covering participants' demographics and use of AI and their opinions of AI for equine care. Statistical analysis included descriptive statistics, categorisation of free-text responses and logistic regression to determine factors associated with opinions. Results: Ninety-seven resp...
Ethological and clinical evaluation of the welfare of horses in draft competitions in Spain. Draft and pulling horses are used in a traditional equestrian sport in the Valencian Community (Spain), in which horses must pull a cart loaded with a weight equivalent to twice their body weight along a sand track. Although it constitutes cultural heritage, this practice raises questions about animal welfare since it involves working horses under demanding physical exertion. There are no studies evaluating the welfare of horses participating in these draft and pulling competitions using validated clinical, ethological, and physiological indicators, and the present work aims to fill this knowl...
Evaluation of Short-Term Stall Size Housing on the Behavior and Welfare of Domestic Horses (Equus caballus). Single-stall housing is a common system used for horses in various settings, including racing stables, riding schools, teaching and research facilities. Adequate stall space is necessary for horses to lie down and make postural adjustments, both of which are essential for equine rest and welfare. The Guide for the Care and Use of Laboratory Animals recommends a stall size of 144 ft2. However, not all stalls meet this size requirement, and there is limited literature supporting its use in terms of animal welfare. This study used a crossover design to compare behavioral and physiologic variables...
Priorities and Recommendations for Using Artificial Intelligence (AI) to Improve Equid Health and Welfare. Artificial Intelligence (AI) is being increasingly used for equid health and welfare. This study aimed to establish consensus on where and how AI should be developed to achieve maximum benefit in this field. A workshop involving 41 stakeholders generated statements about current welfare concerns, areas for AI development, and barriers and solutions to AI use. Statements were circulated through Delphi surveys (acceptance set at 75% agreement). One-hundred-and-six statements reached agreement. Ethological needs not being met and poor equid management practices were key welfare concerns. Particip...
Physical vs. Behavioral Clinical Signs in Horses with Squamous and Glandular Gastric Ulcers. Equine Gastric Ulcer Syndrome is a highly prevalent condition, yet its clinical diagnosis remains challenging due to the nonspecific nature of many associated signs. The relationship between the anatomical location of gastric ulcers and clinical presentation is still poorly defined. This retrospective study aimed to evaluate the association between gastric ulcer location and the clinical signs observed in horses. Medical records of 52 horses diagnosed with gastric ulcers by gastroscopy were retrospectively reviewed. Clinical signs were classified as physical, behavioral, or mixed, and ulcer lo...
Effect of a single session of Equine Assisted Physical Therapy on postural stability in children with Down syndrome. Equine Assisted Physiotherapy (EAPT; formerly known as hippotherapy) is known to improve functional mobility, gross motor skills, and postural stability in individuals with Down syndrome (DS). However, it may be challenging to implement as a long-term intervention. The aim of the current study was to assess whether even a single session of EAPT can have effect on postural stability in children with DS. Methods: Nine children with DS underwent a single session of EAPT. Postural stability before and immediately after the EAPT session was assessed with the bipedal stance (variability of lower tru...
Impacts of flavor and aromatic palatants on consumption behavior in nursing foals. Palatability research in horses has primarily been conducted in mature, non-lactating horses and has typically investigated gustatory rather than aromatic preference. Objective: The objective of this study was to investigate the gustatory and aromatic preferences of nursing foals. Methods: Stock-type mare (13.25 ± 4.40 years) and foal (6 ± 3 weeks) pairings (n = 4) were utilized in multi-preference testing for treatments including apple, anise, peppermint and control (no palatant). Mares and foals were placed in assigned split stalls for 1800 seconds and provided unrestricted access to a...
An overview of the benefits of animal-assisted interventions in medical and therapeutic contexts for human health: cognitive mechanisms, sensory perception and welfare considerations. Animal-assisted interventions (AAIs) are programs that incorporate animals as a therapeutic factor to improve human well-being. To date, these programs have been associated with significant physical and physiological benefits to human health. Animals have been incorporated as monitoring companions, such as diabetes-alert and seizure-alert dogs. Moreover, animal therapy for people with mental health issues, physical impairments, or autism spectrum disorders has shown social and communicative benefits. Although AAIs are proposed as a complementary treatment approach to humans with mental health ...
Horses Prefer Their Rider: A Strange Situation Test Adaptation Shows Behavioural Evidence for Partner-Specific Bonding. The relationship between horses and humans is often described as cooperative and affective, yet empirical studies on horse-rider bond remain scarce. Previous findings on horse-human relationships yielded conflicting results on whether and how horses show bonding like behaviour toward their owners. Objective: We tested whether horses show partner-specific approach and proximity toward their primary rider compared with an unfamiliar experimenter in an adapted Strange Situation Test, and whether the rider's presence was associated with behavioural patterns indicative of safe haven and secure base...
Assessment of the Welfare of Working Horses: Combining Clinical Evaluations with Indirect Indicators. Assessing the welfare of the working horses is crucial for identifying health and management issues and implementing effective solutions. This study evaluated the welfare of working horses in South Darfur, Sudan, by integrating clinical examination with indirect indicators through owner interviews. A total of 400 horse-owner pairs were included. Most horses (61.7%) worked every day, and 77% of owners reported using whips to encourage movement. Clinical assessment revealed that 29.0% of horses were thin, over half had dirty coats, 50.5% harbored external parasites, 43% had abnormal discharges, ...
Decoding moody mare syndrome: Retrospective study and tiered diagnostic framework. Behavioral issues, such as persistent or strong estrus, non-specific pain, and performance challenges in mares are frequently attributed to the estrous cycle. Objective: The objectives of this study were to analyze retrospective data on mares presented for estrus-related behavioral complaints, and to propose a structured diagnostic framework for categorizing cases during work-up at different levels of care. Methods: A retrospective study was conducted using patient records of a total of 14993 mares. Results: In this data set, behavioral problems, pain, or poor performance were not repeatably v...
Do active stables affect the response to novelty and attitude towards humans in horses? A pilot study. The demand for horse housing that allows social contact, free movement, and continuous access to forage is increasing. Active stables, equipped with automatic feeders, aim to meet these needs by offering conditions closer to natural living. It is not known whether 'active stable' influences horse fear and human-oriented behaviour. This study compared the behaviour of horses housed in active stable (N = 24) and traditional stable (N = 22) to assess responses to novelty, sudden stimuli, and interactions with humans. We also examined the effects of breed type, age, and weekly riding workload....
RAiSE (recognizing affective state in equine) and the assessment of equine affective state: Accuracy and application. Accurate interpretation of affective state (AS) of animals is critical to assessment of their wellbeing. Although horse owners may appreciate the importance of this skill, many lack the ability to interpret AS accurately. Objective: To test if the online course Recognizing Affective States in Equine (RAiSE) improves participants' assessment of AS in horses and increases use of AS in management. Methods: Participants completed pre (PRE), post (POST), and 90 day post (90POST) course surveys to assess accuracy in identifying AS in 20 videos, as well as use of AS in their horse interactions. Pre/p...
Horse Olfactory Exploration of Various Plants with Regard to Smell and Taste Familiarity. The sense of smell is the first sense by which horses determine the suitability of feed for consumption. The aim of the study was to assess the influence of the degree of familiarity with the smell and taste of plants on horses' olfactory exploration. Behavioural responses of twenty adult horses to nine herbs of three degrees of familiarity-least familiar (unknown in the first trial), known only by smell, and known by smell and taste-were investigated. During the tests, the horses were allowed to explore the individual herbs placed in a crib constructed to prevent them from eating the contents...
Does the Reproductive Technique Affect Neonatal Health Parameters in Foals? This retrospective study evaluated whether different reproductive biotechnologies influence neonatal behaviour parameters in foals. Data from 102 foalings in two commercial breeding farms were analysed, including foals conceived by artificial insemination (AI), conventional embryo transfer (ET) and intracytoplasmic sperm injection (ICSI). Neonatal parameters recorded were birth weight, time to achieve sternal recumbency, time to stand, time to nurse and time to meconium elimination. Mixed statistical models were applied to assess the influence of reproductive technique, breed, sex and farm. Si...
Geriatric Horses in Germany: Approaches to Nutrition, Housing and Overall Care. Changes in horse management and use mean that a growing number of horses are now kept into older age, while age-specific management practices for these animals remain insufficiently documented. This cross-sectional online survey aimed to describe the housing, feeding, activity, behaviour and care routines of horses aged 20 years and older in Germany, based on 923 questionnaires completed by horse owners about their senior horses. Most horses maintained regular tactile social contact (87.4%, = 805), and over half were still ridden or driven (61.6%, = 566). However, the proportion of horses in...
Effect of Equine-assisted Biographical Work (EABW) in older adults with subclinical depression: a randomized controlled trial. Preventive approaches for depression in adults aged 50 years and older have received little attention, despite increasing needs arising from demographic changes. In particular, subclinical depression is often underdiagnosed and associated with anxiety, a poorer quality of life, and greater need for assistance from the healthcare system. This multicentre, randomised, controlled phase III trial investigated if Equine-Assisted Biographical Work (EABW) is effective to improve subclinical depression. Qualified sites in Germany enrolled 52 participants ≥ 50 years (Full Analysis Set (FAS),...
Rider education at Swedish riding schools: Comparing teachers’ and pupils’ perspectives. Previous research has highlighted a gap between scientific evidence and its application in equestrian practice, leading to concerns about horse welfare and human safety. Riding schools present an important platform for promoting science-based practices, as they bring together riders of all ages and levels and serve as sites for equestrian education and for shaping attitudes toward horse welfare. Yet, the teaching in riding schools is often rooted in traditional practices. Therefore, mapping current educational methods and exploring how teaching and learning are perceived by both riding school ...
Clinical Manifestations and Behaviors Associated with Equine Head and Neck Disorders. Equine head and neck disorders can present with a wide range of clinical manifestations, depending on the structures involved and disease process. Important components of the gastrointestinal, respiratory, ophthalmological, neurological, and musculoskeletal systems are contained within the head and neck, and clinical signs of disorders will result in expected clinical signs. However, clinical manifestations of disease are sometimes subtle, and when not recognized can lead to behavioral changes including undesired behaviors and poor sleep. Recognizing behavioral phenotypes of horses with proble...
A Newfound Experience of Being Good Enough: Youth’s Experiences of an Equine-assisted Therapy Intervention. Mental health, encompassing self-esteem, confidence, physical activity, and social interaction, is essential for the well-being of children and adolescents and supports executive functions crucial for school performance. Mental ill health among young people is increasing in Sweden, with rising rates of self-reported problems, psychiatric diagnoses, and prescriptions of psychotropic medication. The aim of this study was to explore the experiences of equine-assisted interventions (EAI) among children and adolescents with anxiety-related mental ill health in southern Sweden. A qualitative design ...
Investigating the effect of surface cryotherapy on equine patient compliance to infraorbital nerve block placement. To investigate the effect of applying ice to the skin overlying the infraorbital canal on the compliance of healthy adult horses to infraorbital nerve block placement during standing sedation. Methods: Blinded, randomized crossover trial. Methods: Thirty healthy adult horses [16 ± 3.9 years old (mean ± standard deviation), weighing 594 ± 63 kilograms (kg)]. Methods: Each horse acted as its own control with a minimum of 7 days between treatments. Horses were sedated using detomidine hydrochloride, and sedation level was evaluated using a published simple descriptive scale. Horses were random...
The high fundamental frequency in horse whinnies is generated by an aerodynamic whistle. Understanding why the frequencies of some species' vocalizations are far above or below those predicted by body size is key for explaining the remarkable diversity of mammalian vocal behavior. Horses, among the largest terrestrial mammals, provide a clear example of such deviation: their whinnies contain a very high fundamental frequency (>1,000 Hz) in addition to a second, lower one (∼200 Hz). While the lower fundamental frequency of whinnies is readily attributed to vocal fold (laryngeal) vibrations, the biomechanical processes underlying the production of the higher one remain unknown....
Effects of rectal examination on intraocular pressure and behavioral responses in pregnant and non-pregnant mares. Rectal examination is routine in equine reproduction but may trigger acute stress affecting welfare and safety. Intraocular pressure (IOP) responds rapidly to autonomic changes and may capture short-lived stress responses. Objective: To evaluate whether rectal examination acutely affects IOP and behavioral responses in mares, and whether reactions differ by reproductive status. Methods: Twenty Rahvan mares (10 pregnant, 30-40 days' gestation; 10 non-pregnant; 4-7 years) underwent transrectal examination without sedation. IOP was measured bilaterally at six time points: 2 min pre-exam (T1), dur...
Friends, forage, freedom: A cluster analysis investigating horse management styles and welfare in the UK and Ireland. This study aims to improve the welfare and management of recreational horses by identifying how different management styles affect horse health and behaviour. We examined the management styles of recreational horse owners in the UK and Ireland, focusing on social interaction (friends), access to suitable forage (forage), and unrestricted movement (freedom). We collected 1,501 survey responses, distributed via social media, and summarised the characteristics and management choices of the respondents. Using the Divisive ANAlysis cluster package in R, three distinct management styles were identif...
Heart Rate as an Indicator of Stress in Gotland’s Russ Horses. Animal welfare concerns both the physical and mental wellbeing of animals so the assessment of animals kept in captivity, for example zoos, is important and necessary both legally and ethically. Good welfare is especially vital when breeding endangered species as stress impairs reproductive investment. As zoos often have high numbers of visitors, it is important to know if humans and the associated noise might influence the animals' welfare. The aim of this study was to investigate whether the presence of visitors and activities offered to the visitors caused a stress response in horses housed...
