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Topic:Equine Medicine
Equine Medicine encompasses the study and application of medical practices specifically related to the health and well-being of horses. This field involves the diagnosis, treatment, and prevention of diseases and disorders affecting equine species. It covers a wide range of topics, including internal medicine, surgery, reproduction, and pharmacology. Research in equine medicine often focuses on understanding the physiological and pathological processes unique to horses, as well as developing effective therapeutic interventions. This page aggregates peer-reviewed research studies and scholarly articles that explore various aspects of equine medicine, providing insights into the latest advancements and methodologies in the care and management of horse health.
Prevalence and radiographic features of cyst-like lesions in German Warmblood horses presented for pre-purchase examination. Cyst-like lesions (CLLs) are frequently detected during radiographic examinations of equine limbs. They may represent a potential risk factor during pre-purchase examination (PPE) and are of considerable clinical and economic importance, as they may lead to negative purchase decisions. While affected horses may develop lameness, incidental findings have also been reported. The goal of the study was to describe the prevalence, location and radiographic characteristics of CLLs in a group of sound German Warmblood horses. Unassigned: A retrospective cohort study was conducted on 3863 German Warmb...
USE OF GUAIFENESIN-KETAMINE-XYLAZINE INFUSION FOR MAINTENANCE OF ANESTHESIA IN CAPTIVE PREZEWALSKI HORSES (EQUUS FERUS PRZEWALSKI ): A CASE SERIES. This case series documents the use of triple drip, a combination of IV guaifenesin, ketamine, and xylazine (GKX) to extend the length of anesthesia in zoo-owned Przewalski horses (). In three separate procedures involving two different animals, GKX was used to prolong and deepen the plane of anesthesia for 90 to 120 min beyond an initial induction dart containing ketamine, butorphanol, azaperone, and medetomidine. The depth of anesthesia was sufficient to permit surgical excision of SC abscesses and other procedures. Throughout the anesthetic events, the horses breathed spontaneously and maint...
Rapid bacterial community profiling of equine faecal, skin, milk and saliva samples using Oxford Nanopore long-read 16S rRNA amplicon sequencing. The composition of the equine gut microbiome is associated with many aspects of gastrointestinal, respiratory and musculoskeletal health that have been reported in the horse. Scientific studies exploring the microbiome non-intestinal ecological niches in or on horses are lacking. The clinical use of bacterial community profiling in horses is currently limited by cost and by slow analytical workflows. Most equine microbiome studies have relied on 16S rRNA amplicon sequencing of bacterial DNA, using high-throughput short-read sequencing technologies. This is often provided by an external servic...
Pneumocoele sinus: Computed tomographic findings and surgical approach in a 2-year-old Cob filly. Pneumosinus dilatans and pneumocoele sinus describe abnormal hyperpneumatisation of paranasal sinuses, with the latter being accompanied by thinning of bony walls. Although recognised in human and equine medicine, to the authors' knowledge, this condition's computed tomography (CT) findings and successful surgical approach in horses have not previously been reported in conjunction. Advanced imaging, particularly CT, is pivotal for identifying abnormal sinus expansion and associated nasal obstruction. Methods: Case report. Conclusions: A 2-year-5-month-old Cob filly presented with a 1-month his...
Administration Study of Bedinvetmab, an Antinerve Growth Factor Monoclonal Antibody, in Horses for Doping Control Purposes. Monoclonal antibodies (mAbs) targeting nerve growth factor (NGF) represent a novel therapeutic approach for managing acute and chronic pain in humans and animals. However, their potential misuse as pain-masking agents in competitive equine sports raises significant welfare and integrity concerns. To enhance understanding of the elimination profile of anti-NGF mAb if misused in horses, this study describes the first administration of bedinvetmab (a canine anti-NGF mAb) in three geldings, establishing its plasma elimination profile following subcutaneous administration. Bedinvetmab plasma concen...
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...
Effects of Nebulized Alpha-2 Macroglobulin in Horses with Lower Airway Inflammation. Equine asthma is a chronic inflammatory airway disease with limited safe long-term treatments. Alpha-2-macroglobulin (A2M), a natural anti-inflammatory protease inhibitor, may provide a novel non-steroidal therapeutic option for horses with lower respiratory tract inflammation. Objective: To characterize the impact of nebulization with alpha-2-macroglobulin (A2M) on clinical signs, bronchoalveolar lavage cytology, and local and systemic cytokine response in horses with lower respiratory tract inflammation. Methods: Thirteen university-owned horses with lower airway inflammation were randomized...
Mammary neuroendocrine tumor in a mare. A 10-y-old American Paint Horse mare was presented to the Equine Field Services at Virginia-Maryland College of Veterinary Medicine (Blacksburg, VA, USA) for evaluation of mastitis and a possible abscess in the right mamma. Histologic evaluation of a mammary biopsy revealed a densely cellular, infiltrative neoplasm with cells arranged in packets supported by thin stroma. In a neuroendocrine immunohistochemistry panel, the neoplastic cells did not immunolabel for neuron-specific enolase or synaptophysin, positively immunolabeled for chromogranin A, and had moderate scattered immunolabeling for ...
Repeatability and test-retest reliability of thermal and pressure pain threshold testing in healthy thoroughbred horses. Quantitative sensory testing (QST) has been used in horses to assess nociceptive responsiveness but its broader clinical application is limited by variability across anatomical sites, environmental conditions, operator technique, and behavioral endpoints. This study aimed to evaluate the feasibility, within-session repeatability, and test-retest reliability of thermal threshold (TT) and pressure pain threshold (PPT) testing in healthy Thoroughbred horses. Unassigned: Eleven adult Thoroughbred horses (4 mares, 7 geldings; median [IQR] age 6 [5-6] years; body weight 558 ± 47 kg) underwent...
Effects of flow-controlled expiration on oxygenation and early recovery in horses undergoing general anaesthesia. FLow-controlled EXpiration (FLEX) has been shown to significantly enhance oxygenation in horses under clinical and experimental conditions. Objective: To compare pulmonary gas exchange during early recovery following general anaesthesia in horses ventilated with FLEX compared with conventional intermittent positive pressure ventilation (IPPV) and to assess recovery characteristics between ventilation modes. Methods: Randomised, crossover in vivo experiments. Methods: Six adult horses underwent two 2-h anaesthetic episodes in a randomised crossover design (FLEX vs. IPPV), separated by a two-wee...
Spatiotemporal dynamics of equine group formation reveal the gradual emergence of social cohesion. Stable social relationships are essential for horse welfare, yet domestic management often involves regrouping unfamiliar individuals, potentially causing social stress. Fine-scale dynamics of social integration remain poorly quantified due to limitations of observational sampling. Using ultra-wideband real-time positioning, we tracked the development of spatial and social relationships in two newly formed equine groups (n = 19) over 2-12 months. Inter-individual distances decreased significantly, with time spent within 3 m of conspecifics increasing from 1.2 to 27.3% within two months, d...
Correction: Phenylbutazone concentrations in synovial fluid following administration via intravenous regional limb perfusion in the forelimbs of six adult horses. [This corrects the article DOI: 10.3389/fmed.2026.1810077.].
Using a wearable electrocardiogram (ECG) patch adapted for 7-day monitoring in the horse. Arrhythmias can cause poor performance and sudden death in horses. Long-term (>24 h) electrocardiogram (ECG) monitoring has been used to identify arrhythmias in humans and is superior to short-term monitoring for transient arrhythmia detection. Televet is the current equine gold-standard ECG device. The Cardea SOLO™ (CS) is a single-use monitor with automated ECG analysis software allowing ECG monitoring for 7 days. Objective: Our objective was to validate the performance of the CS compared to the Televet. Methods: Method validation. Methods: ECGs were performed on 12 healthy horses s...
Orchiectomy in horses: closed technique and primary closure of the incision. To provide a video tutorial on how to perform equine castrations using the closed technique and primary closure of the skin. Unassigned: Intact male horses presented to equine veterinary hospitals for castration. Unassigned: The closed castration technique was performed with incisions over the inguinal rings and primary closure. Unassigned: This technique is associated with minimal complications, decreased edema, less pain, lower infection rates, and faster healing. Unassigned: The technique presented in this video tutorial provides a quick and safe method for removing descended as well as non...
Vietnam’s Horse Sector: A Comprehensive Review of History, Production Systems, Health Challenges, and Research Priorities. Horses in Vietnam have a long historical presence and continue to hold economic, socio-cultural, and medicinal importance across diverse regions. Despite these roles, comprehensive scientific information on equine development, including health and disease patterns, reproductive performance, genetic resources, and biomedical applications, remains limited and fragmented. In this review, we summarize existing knowledge on equine populations, production systems, and their development in Vietnam, as well as their roles in cultural practices, livelihoods, and traditional medicine. We then identify m...
A point-based laminitis risk scoring system and machine learning framework for prediction of laminitis in horses. Laminitis is a painful and potentially life-threatening inflammatory condition of the equine hoof, and its detection remains a major challenge in veterinary practice. Although several risk factors have been reported, the prediction of the onset of laminitis in a subclinical stage using routine clinical data is still limited. This study aims to address this gap by developing an interpretable machine learning (ML) framework for the prediction of the risk of laminitis in horses. A point-based risk scoring system was first constructed using multivariate logistic regression to quantify the contribu...
Straight sesamoidean ligament desmopathy commonly occurs with proximal interphalangeal joint osteoarthritis. Proximal interphalangeal joint osteoarthritis (PIPJ OA) is a common cause of poor performance in the equine athlete; however, the supporting soft tissue structures surrounding the joint are seldom evaluated. Straight sesamoidean ligament injuries have been previously hypothesised to be concomitant with PIPJ OA; however, the frequency of these lesions coinciding with PIPJ OA has not been fully investigated. Objective: To investigate the prevalence of straight sesamoidean ligament desmopathy (SSLD) in horses presenting with PIPJ OA. Methods: Retrospective clinical study. Methods: Horses presenti...
Improving Inclusivity in the Curriculum via the Introduction of an Equine Industry-Specific Language eGlossary. The equine veterinary profession is frequently considered inaccessible to veterinary students who have had limited exposure to the equine industry. One of the perceived reasons for this inaccessibility is the use of what is often coined "horsey" language within the industry. If a student has limited experience of the equine industry, there is a potential language barrier to teaching, which may result in poor engagement with equine teaching and placements. The aim of this Teaching Tip is to describe the development and evaluation of a new teaching resource designed to demystify equine industry-...
Comparative clinical and thermographic responses to dexamethasone and saline solution mesotherapy in horses with spinal disorders. Back pain and spinal dysfunction in horses are multifactorial conditions frequently associated with musculoskeletal alterations that may impair mobility, performance, and welfare. Mesotherapy has emerged as a minimally invasive adjunctive approach for managing musculoskeletal disorders; however, comparative clinical responses to different intradermal protocols in equine spinal conditions remain insufficiently investigated. The present study aims to compare the clinical and thermographic responses of two mesotherapy protocols in horses diagnosed with cervical or thoracolumbar spinal disorders. ...
Inertial measurement units are comparable to motion capture for measuring intersegmental spinal angular velocities in horses. To compare inertial measurement unit (IMU)-derived intersegmental spinal motion data with measurements obtained from a marker-based motion-capture system. Unassigned: 4 horses were instrumented with custom marker clusters incorporating a 3-D-printed base designed to secure the IMU, ensuring both systems recorded data from the same anatomical location and orientation. A total of 3,737 paired time points across 37 gait cycles were analyzed. Agreement in intersegmental angular velocities across 3 planes of motion was evaluated using Bland-Altman analysis and intraclass correlation coefficients. U...
Diagnostic criteria for equine thoracolumbar myofascial pain syndrome: A foundational study. Diagnostic criteria for myofascial pain syndrome (MPS) are well established in humans but remain underexplored in horses. This study aimed to identify which MPS clinical signs were present in the equine thoracolumbar region, assess internal coherence among clinical indicators, and explore the diagnostic relevance of owner-reported behavioural, signalment, management, and clinical variables. A population of 120 horses underwent a static physical assessment of the thoracolumbar region. Owner-reported horse behaviours were collected through a questionnaire. Taut band, hypersensitive spot, local t...
Jejunocecostomy in horses-a review of its unique complexities. Jejunocecostomy (JC), or jejunocecal anastomosis, is arguably the most controversial surgical procedure in equine small intestinal surgery. It is also the only option for resection and anastomosis for a third of small intestinal strangulating lesions in horses. Critics of the procedure identify its low survival and high complication rates as reasons to avoid its use. This review is intended to highlight findings of recent research and clinical studies that validate use of the JC, and to provide some insights into technical aspects of the procedure that might improve its survival rates. Jejunoc...
Physiological Evaluation of Quarter Horses Undergoing Five-Month Taming Focused on Hippotherapy. Preparing horses for hippotherapy programs requires management approaches that prioritize animal welfare and facilitate adaptation to novel stimuli. This study monitored physiological responses during the implementation of a progressive taming protocol for Quarter Horses intended for hippotherapy. Seven animals were monitored over a five-month period, including an acclimation phase and three taming stages. Continuous heart rate, plasma cortisol concentration, and ocular infrared thermography were assessed before and after exercise. Baseline ( = 0.0466) and minimum ( = 0.0095) heart rate values...
Validation of a smart textile electrocardiographic monitoring device in racehorses during high-speed exercise. Exercise-associated cardiac arrhythmias may contribute to poor performance and sudden cardiac death in horses. Widespread monitoring is limited by device availability and suitability for field use. Objective: To (1) compare electrocardiographic (ECG) quality from a smart textile system (Myant Skiin Equine) with a reference device (Televet II) during exercise, and (2) evaluate whether arrhythmia detection with Myant Skiin Equine is comparable to the Televet II. Methods: Prospective blinded clinical study. Methods: Fifty racehorses (25 Thoroughbreds, 25 Standardbreds) underwent up to three high-...
Screening Equine Skin and Mucous Membranes for Carriage of Coagulase-Positive Staphylococci. Commensal populations of coagulase-positive Staphylococcus spp. (CoPS) in healthy horses are not well-defined. Objective: To determine the point prevalence, anatomical distribution, antimicrobial susceptibility and genomic characteristics of CoPS in healthy horses. Methods: One-hundred and fifty privately owned, systemically healthy horses from seven facilities were enrolled in this study. Methods: Horses were sampled from the nares, buccal mucosa and three skin sites. Isolates were identified using matrix-assisted laser desorption/ionisation time-of-flight mass spectrometry, and antimicrobial...
Effect of exercise-related nasopharyngeal disorders on upper airway function in racehorses. Exercise-related upper respiratory tract (URT) disorders are frequently diagnosed in racehorses. Treatment recommendations are routinely based on subjective assessment of clinical evaluation and exercising endoscopy findings. Objective: To objectively investigate how palatal instability (PI), intermittent dorsal displacement of the soft palate (iDDSP), alar fold collapse (AFC), and nasopharyngeal collapse (NPC) affect upper airway function during exercise in racehorses. Methods: Observational study with case-control comparisons. Methods: Inspiratory and expiratory tracheal pressures (cmHO) wer...
Smartphone-Based Technologies in Equine Sports Medicine: Supporting Athlete Management-A Review. Equine sports medicine is increasingly oriented toward objective, field-based monitoring systems that support both performance optimization and welfare assessment. In this context, smartphone-based technologies have emerged as accessible tools capable of integrating data acquisition, processing, and interpretation within a single platform. This narrative review aims to examine the role of smartphones in equine sports medicine, focusing on their function as standalone sensing devices and as gateways for wearable and external sensor systems. The analysis is based on a structured synthesis of cur...
Detecting and measuring respiratory events in horses during exercise with a microphone: deep learning vs. standard signal processing. Monitoring respiration parameters such as respiratory rate could be beneficial to understand the impact of training on equine health and performance and ultimately improve equine welfare. In this work, we compare deep learning-based methods to an adapted signal processing method to automatically detect cyclic respiratory events and extract the dynamic respiratory rate from microphone recordings during high-intensity exercise in Standardbred trotters. Results: Our deep learning models are able to detect exhalation sounds (median F1 score of 0.94) in noisy microphone signals and show promising r...
