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Topic:Veterinary Medicine

Veterinary medicine for horses encompasses the study and application of medical practices to diagnose, treat, and prevent diseases in equine species. This field involves a comprehensive understanding of equine anatomy, physiology, pathology, and pharmacology. Veterinary practitioners employ a range of diagnostic tools and therapeutic interventions to address health issues in horses, including lameness, gastrointestinal disorders, respiratory conditions, and infectious diseases. Preventative care, such as vaccination and deworming programs, is also a significant aspect of equine veterinary medicine. This page gathers peer-reviewed research studies and scholarly articles that explore various aspects of veterinary medicine as it pertains to horses, including advancements in diagnostic techniques, treatment protocols, and preventive health strategies.
Internal fixation of a fractured cranial articular process of the sixth cervical vertebra by means of computer-assisted surgery in a Warmblood gelding.
Veterinary surgery : VS    May 23, 2025   doi: 10.1111/vsu.14273
Käfer-Karrer MJ, de Preux M, Van der Vekens E, Mattei LI, Kuhlmann J, Klopfenstein Bregger MD, Easley JT, Koch C.To describe the repair of a fractured cranial articular process (AP) of the sixth cervical vertebra (C6) with cortex screws placed in lag fashion using computer-assisted surgery. Methods: A 12-year-old Swiss Warmblood gelding. Methods: Case report. Methods: The gelding was presented with neck pain and ataxia after a fall. A fracture of the right cranial AP of C6 was identified on radiographs. The fracture was repaired by internal fixation with two 4.5 mm cortex screws of 58 and 48 mm length placed in lag fashion using computer-assisted surgery. Results: During general anesthesia, it was su...
Aspergillus nidulans as an agent of subcutaneous mycetoma in a horse.
Research in veterinary science    May 23, 2025   Volume 192 105719 doi: 10.1016/j.rvsc.2025.105719
Bordoni T, Dini FM, Morini M, Rinnovati R, Spadari A, Galuppi R.Mycetoma is a fungal chronic skin proliferative lesion rarely encountered in horses and often associated with fungi such as Scedosporium spp., Madurella spp., Phialophora spp., Curvularia spp., and less frequently with Aspergillus spp. A case of subcutaneous mycetoma in the cervical region in a 7-year-old male Quarter Horse, diagnosed through cytological, histological, cultural and molecular methods, is reported. Aspergillus nidulans, usually implicated in guttural pouch mycosis, was identified. This unusual case represents the second case report of mycetoma caused by Aspergillus nidulans in t...
Identification and molecular characteristics of Staphylococcus aureus isolated from horses in Lichuan, China.
Microbial pathogenesis    May 23, 2025   Volume 206 107733 doi: 10.1016/j.micpath.2025.107733
Lin H, Deng D, Yan Z, Zou G, Shen Y.Staphylococcus aureus can transfer from animals to humans. Lichuan horse is an isolated breed living in a high-altitude area with limited use of antibiotics and is bred for use in tourism. To evaluate the risk of human-animal cross-transmission, the S. aureus was isolated from three horse farms in Lichuan, including healthy horses and horses with skin infections, farm workers and environment. From a collection of 111 samples, 18 S. aureus isolates were obtained. All the isolates were genome sequenced and their biological characteristics including antimicrobial susceptibility, virulence and bi...
Computed Tomography of the Hyoid Apparatus in Equine Headshaking Syndrome.
Veterinary sciences    May 23, 2025   Volume 12, Issue 6 511 doi: 10.3390/vetsci12060511
Lloyd-Edwards RA, Mulders E, Sloet van Oldruitenborgh-Oosterbaan MM, Veraa S. Headshaking is a common condition in horses, most cases are presumed idiopathic/trigeminal-nerve mediated. Diagnostic work-up of a headshaking horse may involve computed tomography (CT) of the head to exclude causative structural pathology. The relevance of the presence and severity of hyoid apparatus findings at CT to headshaking is unknown. A retrospective analysis of CT changes in the hyoid apparatus in horses was carried out. Comparisons were performed between horses with signs of headshaking and a control population and a subgroup of horses with signs of headshaking and no other 'likely...
Stoicism or Defeat? The Psychological Impact of the Kiln Environment on Working Donkeys and Mules.
Animals : an open access journal from MDPI    May 23, 2025   Volume 15, Issue 11 doi: 10.3390/ani15111525
Taylor K, Harrison A, Capaldo T.One of the most problematic situations for the estimated 60 million working donkeys and mules across the world is within the brick kiln environment. In countries such as Egypt, Nepal, India and Pakistan, donkeys and mules carry dried bricks into small kilns either by pulling carts or carrying loaded packs. The health and welfare problems of this environment are well documented: they may carry excessive loads; work long hours, have difficulties accessing food, water and rest options; and can frequently suffer untreated illnesses including dental problems, lameness and open wounds from poorly fi...
Objective lameness assessment of 235 horses undergoing lameness examination in Brazil: A retrospective study.
Brazilian journal of veterinary medicine    May 22, 2025   Volume 47 e008224 doi: 10.29374/2527-2179.bjvm008224
Rodrigues APDC, Pozzobon R, De Bastiani G, De La Côrte FD, Azevedo MDS.Lameness, which arises from functional or structural changes in the limbs or axial skeleton, causes asymmetry in the movement of the equine head and/or pelvis. This study aimed to investigate the lameness patterns of horses that underwent lameness examination or monitoring during the years 2016 to 2020. This retrospective study used data from the lameness examination, evaluated using an objective assessment with body-mounted wireless inertial sensors. The lameness examination comprised clinical history, static inspection, palpation, gait evaluation (for which the animals were equipped with a w...
Cutaneous Cauliflower-Like Lesions in a Horse Caused by Scedosporium apiospermum.
Mycopathologia    May 22, 2025   Volume 190, Issue 3 43 doi: 10.1007/s11046-025-00951-9
Grassi A, Turba ME, Maniscalco L.No abstract available
Short-Term Impact of Dry Needling Treatment for Myofascial Pain on Equine Biomechanics Through Artificial Intelligence-Based Gait Analysis.
Animals : an open access journal from MDPI    May 22, 2025   Volume 15, Issue 11 doi: 10.3390/ani15111517
Resano-Zuazu M, Carmona JU, Argüelles D.Myofascial pain syndrome (MPS) is a common source of musculoskeletal pain, characterized by trigger points (TrPs). In horses, MPS is frequently underdiagnosed, and evidence on DN effectiveness is limited. This study investigated whether DN can improve the biomechanics in horses using an artificial intelligence (AI)-based markerless smartphone application (app). Fourteen horses participated, including nine used in assisted therapy, four leisure horses, and one with mixed use. The presence of TrPs was evaluated in six muscles through manual palpation: brachiocephalicus, trapezius, gluteus medius...
Blood amino acid changes associated with Lawsonia intracellularis infection in horses.
Equine veterinary journal    May 22, 2025   doi: 10.1111/evj.14533
Mizuguchi Y, Niwa H, Inoue H, Iwano H.Hypoproteinaemia/hypoalbuminaemia is a typical clinical feature of Lawsonia intracellularis infection in horses, but amino acid perturbations in these horses have not been investigated. Objective: Clarifying blood amino acid levels in horses suffering from Lawsonia intracellularis infection to identify novel aspects of the disease. Methods: Retrospective observational study. Methods: A total of 135 serum samples collected from horses from 59 farms were used in this study. Horses diagnosed with the clinical form of equine proliferative enteropathy (EPE) were enrolled as a clinical group (n =â...
Development and validation of a quantitative UHPLC-HRMS bioanalytical method for equine anti-doping control.
Journal of pharmacological and toxicological methods    May 22, 2025   Volume 134 107759 doi: 10.1016/j.vascn.2025.107759
El-Ghaly W, El Kamli T, Gongbe AMA, Zaari Lambarki L, El Hamdani M, Lahkak FE, Al Idrissi N, Benmoussa A, Balouch L, Bakkali F, Saffaj T, Jhilal F.The quantification of banned substances in equine antidoping control, especially in racehorse urine, necessitates robust analytical methods with high detection levels due to the extremely low concentrations of the target substances and the significant impact of minor variations on doping test results. Reliable quantification is important for substances near regulatory thresholds, which, if exceeded, are prohibited. This study presents the development and validation of a bioanalytical UHPLC-HRMS method for quantifying doping substances in equine urine, including diazepam and acepromazine with a...
Assessing thermal changes in the equine thoracolumbar region following different capacitive-resistive electrical transfer protocols.
Frontiers in veterinary science    May 21, 2025   Volume 12 1570120 doi: 10.3389/fvets.2025.1570120
Calle-González N, Rivero JL, Olivares J, Miró F, Argüelles D, Requena F, Munoz A.Capacitive-resistive electrical transfer (CRET) is an endogenous non-invasive technique, used as deep diathermy. We pursue to analyze the temperature changes by applying different CRET protocols in the thoracolumbar spine of horses, between thoracic vertebrae 15 and lumbar 2. Unassigned: Ten clinically sound horses without thoracolumbar pain underwent various CRET protocols applied to a standardized thoracolumbar region (T15-L2). The protocols included sham (device off), low intensity (LIP, 5%), medium intensity (MIP, 30%), and high intensity (HIP, 40%). The HIP protocol was further divided in...
Doping Control of Ranitidine in Horses.
Drug testing and analysis    May 20, 2025   doi: 10.1002/dta.3909
Ho HSM, Mizzi JX, Ho ENM, Wong WT.Ranitidine is a histamine H-receptor antagonist commonly used to treat gastric ulceration in horses. The author's laboratory conducted a study some years ago in the early 2000s on its metabolism as well as its urinary elimination profile in two geldings. With the technology advancement as well as popularity of blood for doping control testing, the laboratory has recently conducted another administration trials of the substance in six horses to study the in vivo metabolism of ranitidine, aiming to identify and reinvestigate the appropriate target(s) for controlling misuse of ranitidine in hors...
The relationship between post-thaw sperm quality parameters and blastocyst production following Intracytoplasmic Sperm Injection (ICSI) of in vitro-matured equine oocytes.
Theriogenology    May 20, 2025   Volume 244 117500 doi: 10.1016/j.theriogenology.2025.117500
Hernández-Avilés C, Ramírez-Agámez L, Love CC.In vitro production of equine embryos by Intracytoplasmic Sperm Injection (ICSI) is commonly utilized to maximize the availability of stallion sperm, particularly from stallions with limited semen supply. The relationship between standard measures of sperm quality in frozen/thawed semen (i.e., sperm motility, normal morphology, DNA quality) and embryo production after ICSI of in vitro-matured equine oocytes has not been thoroughly studied. In this study, frozen/thawed semen from 47 stallions utilized in a commercial ICSI program was analyzed for post-thaw sperm total and progressive motility (...
Understanding antimicrobial use by equine owners in Wales: Using cross-sectional survey and semi-structured interviews.
Equine veterinary journal    May 20, 2025   doi: 10.1111/evj.14522
Stuart RB, Miles-Farrier F, Bard AM, Rees G.Antimicrobial resistance (AMR) is an increasingly serious threat to human and animal health. Antimicrobial use (AMU) in horses is gathering research interest, although there remain significant evidence gaps. Currently, there is scant qualitative research into equine owners' use of antimicrobials, specifically antibiotics, hindering the design of evidence-based stewardship interventions and policies. Objective: To understand Welsh equine owners' views and behaviours relating to antimicrobial usage. Methods: Cross sectional survey and qualitative data collection and analysis. Methods: An online ...
Validation of the Equine Urticaria Activity Score for the assessment of chronic recurrent urticaria in horses.
Veterinary dermatology    May 19, 2025   doi: 10.1111/vde.13358
Birkmann K, Waldern N, Jucker S, Balaschitsch K, Zablotski Y, Fettelschoss-Gabriel A.Recurrent urticaria is common in horses. The pathophysiology is poorly understood and treatment options are limited. Often, only glucocorticoids are effective for controlling clinical signs, albeit with potential adverse effects. Studies investigating new treatments need a validated objective scoring system for the grading of skin lesions to assess response. Objective: The aims were to investigate inter- and intraobserver reliability of the Equine Urticaria Activity Score (EqUAS) for the grading of skin lesions in horses with recurrent urticaria, and to examine agreement between experienced an...
Confirmation of the presence of Hemotropic Mycoplasma species in working equids from Veracruz, Mexico.
Tropical animal health and production    May 19, 2025   Volume 57, Issue 5 225 doi: 10.1007/s11250-025-04465-w
Ballados-González GG, Cruz-Romero A, Martínez-Hernández JM, Aguilar-Domínguez M, Vieira RFC, Grostieta E, Becker I, Sánchez-Montes S.Hemotropic mycoplasmas (HM) are emerging pathogens known to infect a wide range of mammals, including ungulates like horses. These infections can lead to severe haematological conditions, posing a threat to animal health and welfare. Recent studies have begun shedding light on the prevalence and impact of HM on horse populations worldwide. For instance, in Germany, Iran, Nigeria, and Brazil, at least three species of HM have been identified in horses, with a lack in knowledge in Latin American countries like Mexico. Our research aims to fill a crucial knowledge gap regarding the presence of HM...
Western performance horses with fetlock lameness demonstrate radiographic evidence of chronic exercise remodelling.
Equine veterinary journal    May 19, 2025   doi: 10.1111/evj.14514
Solum G, Acutt E, Johnson SA, Zhou T, Contino EK, Donnell JR, Donnell A, Frisbie DD.Pathological changes of the fetlock joint are well documented in Thoroughbreds, but little information is available describing the common radiographic findings in western performance horses with fetlock lameness. Objective: To describe radiographic findings in western performance horses with fetlock lameness. It was hypothesised that the degree of lameness would correlate with the severity of radiographic findings. Methods: Retrospective case series. Methods: Retrospective review (2012-2022) of horses with lameness isolated to the fetlock joint via intra-articular analgesia and corresponding r...
Evaluation of an intra-articular carboxymethylcellulose crosslinked hydrogel in horses with osteoarthritis.
Journal of equine veterinary science    May 19, 2025   Volume 150 105611 doi: 10.1016/j.jevs.2025.105611
Rinnovati R, Spadari A, Malpighi A, Meistro F, Ralletti MV, Marcucci E, Tarasconi MA, Chiatto RL, Tommasa SD.Numerous treatment strategies have been proposed to manage osteoarthritis (OA) in sport horses. Carboxymethylcellulose (CMC), is used in veterinary medicine for various purposes. Objective: This study aimed to assess the efficacy of a CMC hydrogel in reducing clinical lameness in horses with OA affecting joint. The hypothesis was that intra-articular CMC would produce a sustained reduction in lameness compared to a control treatment. Methods: Thirty client-owned horses diagnosed with OA-related lameness in the metacarpophalangeal joint were enrolled. Horses were randomly assigned to two groups...
Survey of veterinarians’ usage and satisfaction with intra-articular polyacrylamide gel in horses.
Journal of equine veterinary science    May 19, 2025   105610 doi: 10.1016/j.jevs.2025.105610
Pluim M, Frippiat T.Polyacrylamide gel is increasingly used in equine veterinary medicine for osteoarthritis and other joint disorders. This study aimed to document the indications, treatment protocols, rehabilitation plans, outcomes, and satisfaction with intra-articular polyacrylamide gel in horses, as reported by equine veterinarians. An online questionnaire was distributed to practitioners through the European and American Colleges of Veterinary Sports Medicine and Rehabilitation mailing lists, social media, and direct contact. Of 197 respondents, 160 completed the survey, forming the basis for the descriptiv...
Equine viral arteritis: Seroprevalence patterns and risk factors in equids from western Europe.
Research in veterinary science    May 19, 2025   Volume 192 105701 doi: 10.1016/j.rvsc.2025.105701
Franco JJ, Gonzálvez M, Cano-Terriza D, Barbero-Moyano J, Jose-Cunilleras E, Alguacil E, García J, García-Bocanegra I.Equine viral arteritis is a notifiable infectious disease with sanitary and economic implications at a global scale. A cross-sectional serosurvey was performed to determine the exposure of equids to the Alphaarterivirus equid [Equine Arteritis Virus (EAV)] in three regions in western Europe. Serum samples from 1425 equids (1196 horses, 104 donkeys, and 125 mules/hinnies) from Catalonia (northeastern Spain), Andalusia (southern Spain) and southeastern United Kingdom (UK) were collected during the period 2011-2023. The overall EAV seroprevalence in EAV-unvaccinated equids was 9.7 % (138/1425; 9...
The Suitability of Dried Blood Spot Sampling for Pharmacokinetic Studies in Veterinary Medicine.
Veterinary sciences    May 18, 2025   Volume 12, Issue 5 488 doi: 10.3390/vetsci12050488
Bardhi A, Barbarossa A, Joubert A, Gehring R, Lambertini C, Romagnoli N.Dried blood spot (DBS) sampling has emerged as a promising microsampling technique in biomedical and clinical research, offering advantages such as reduced invasiveness, minimal blood volume requirements, and enhanced analyte stability. Although well established in human medicine for neonatal screening and diagnostic applications, its potential in veterinary pharmacology remains underexplored. This study investigated the feasibility of using DBS samples to quantify anesthetic agents-ketamine and medetomidine in cats and lidocaine in horses-during routine surgical procedures at a veterinary tea...
Ventriculophasic response in a horse with atrioventricular block.
Journal of veterinary cardiology : the official journal of the European Society of Veterinary Cardiology    May 17, 2025   Volume 60 46-49 doi: 10.1016/j.jvc.2025.05.005
Liu J, Baumwart R, Kwon S.Ventriculophasic response (VR) in atrioventricular nodal (AVN) block is characterized by a shortening of the sinoatrial cycle length when a QRS complex is interposed between two P waves. This has been well documented in humans and dogs with AVN blocks but not in horses. Herein, we describe a horse with second-degree AVN blocks and constant PR intervals that exhibited 5:3 conduction and suspected VR at rest but less consistently after submaximal exercise. Proposed VR mechanisms include (1) inhibition of the Bezold-Jarisch reflex from reduced end-systolic volume during ventricular contraction; (...
Complementary Radiographic Projection for Evaluation of the Conchal Sinuses and Bullae in Horses. Mendes RP, Lima AE, da Cunha R, Bittar MJ, Vasconcelos CC, Piñeros DDV, Corrêa RR.Radiographic examination of the skull is a well-established and indispensable procedure for the diagnostic evaluation of dental and paranasal sinus disorders in horses. Complementary projections make significant contributions to radiographic diagnosis in nasal conchae disorders. This article describes a complementary radiographic projection designed for the evaluation of the conchal sinuses and bullae in horses. Six equine cadaveric heads were used. Specimens were dissected, and openings were created in the ventral and dorsal nasal conchae for the introduction of radiopaque material. The new r...
Equine fatalities in equestrian eventing.
Equine veterinary journal    May 15, 2025   Volume 57, Issue 5 1387-1394 doi: 10.1111/evj.14529
Cameron-Whytock HA, O'Brien D, Lewis V, Parkin T, Bennet ED.To date, industry and research outputs that have aimed to improve safety in equestrian eventing have tended to focus on identifying risk factors for horse falls during cross-country, which have been identified as the greatest risk of injury and fatality for riders. There is an absence of research that investigates fatalities of horses within the sport of eventing. Objective: To use a combination of media reports and eventing federation databases to describe and document equine fatalities in equestrian eventing, including their context, location and a basic pathology. Methods: Descriptive study...
Establishment of an In-House Indirect Enzyme-Linked Immunosorbent Assay to Detect Antibodies Against African Horse Sickness Based on Monovalent and Polyvalent Live Attenuated Vaccines During the First Outbreak in Thailand.
Animals : an open access journal from MDPI    May 15, 2025   Volume 15, Issue 10 doi: 10.3390/ani15101433
Punyadarsaniya D, Taesuji M, Rattanamas K, Ruenphet S.Standard serological tests post-vaccination, such as enzyme-linked immunosorbent assay (ELISA), complement fixation, and virus neutralization, are crucial for monitoring African horse sickness (AHS). However, the availability of commercial test kits such as blocking ELISA varies by regions; while they are commonly used in Africa and Europe, their limited availability and high cost in Thailand present significant challenges. Therefore, this study aimed to evaluate an alternative approach using an in-house indirect ELISA based on cell-based monovalent and polyvalent strains of live attenuated AH...
The Effect of Ambient Temperature, Relative Humidity, and Temperature-Humidity Index on Stress Hormone and Inflammatory Response in Exercising Adult Standardbred Horses.
Animals : an open access journal from MDPI    May 15, 2025   Volume 15, Issue 10 1436 doi: 10.3390/ani15101436
In the present study, the changes in the markers of stress and inflammatory responses of 12 Standardbred horses were investigated before and after exercise during late spring and summer. The environmental temperature, relative humidity, and temperature-humidity index (THI) were assessed during this study. From horses, blood sampling, measurement of heart and respiratory rate (HR and RR), and measurement of rectal temperature (RT) were performed before exercise (Pre) and within 5 min following the end of the exercise (Post). THI values showed mild stress in June and high stress in July. Direct ...
Thermal Effects of High-Intensity Laser Therapy on the Temporomandibular Joint Area in Clinically Healthy Racehorses-A Pilot Study.
Animals : an open access journal from MDPI    May 15, 2025   Volume 15, Issue 10 doi: 10.3390/ani15101426
Soroko-Dubrovina M, Zielińska P, Dudek KD, Śniegucka K, Nawrot K.The aim of the present study was to assess the thermal effects of high-intensity laser therapy (HILT) on the temporomandibular joint (TMJ) area of clinically healthy Thoroughbred racehorses. The study was conducted on 21 clinically healthy Thoroughbreds in regular training. The horses were subjected to thermographic examinations before and immediately after a HILT session to measure changes in the body surface temperature in the TMJ area. The left TMJ was subjected to therapy, while the contralateral joint served as a control. Statistically significant differences in the body surface temperatu...
Adaptation strategies of Icelandic horses with induced transient hindlimb lameness at walk, trot and tölt.
Equine veterinary journal    May 15, 2025   doi: 10.1111/evj.14525
Rhodin M, Serra Bragança FM, Persson-Sjodin E, Björnsdóttir S, Gunnarsdottir H, Gunnarsson V, Hernlund E, Smit IH.Icelandic horses are valued for their additional gaits, but assessing lameness in this breed can be challenging. Pelvic (P) vertical movement asymmetries, differences (D) in minimum (min)/maximum (max) position, are used to quantify impact (PDmin) and push-off (PDmax) hindlimb lameness during the trot, but no established parameters exist for detecting hindlimb lameness in other gaits. Objective: To evaluate temporal stride parameters and upper-body movement asymmetry after transient hindlimb lameness induction in walk, trot and tölt. Methods: In vivo experiment. Methods: Eleven Icelandic hors...
Equine epiglottitis: Diagnosis, treatment and outcome.
Equine veterinary journal    May 15, 2025   doi: 10.1111/evj.14528
Jimenez C, Hogan P, Belaghi R, Curtiss A.Epiglottitis is an uncommon upper airway pathology manifested endoscopically by mucosal oedema, reddening and thickening of the epiglottic mucosa. Literature on epiglottitis in horses is sparse. Objective: To describe the diagnosis, treatment and outcome of Thoroughbred and Standardbred racehorses diagnosed with epiglottitis at a single centre. A secondary objective is to demonstrate the efficacy of inhaled and topical anti-inflammatories for this condition. Methods: Retrospective case series. Methods: Medical records (2009-2023) were reviewed for racehorses treated for epiglottitis. Data coll...
Dysphagia in an equine referral hospital, 182 cases.
Equine veterinary journal    May 15, 2025   doi: 10.1111/evj.14512
Connolly KM, Estell K.Dysphagia describes a clinical sign of pathologies of the oral cavity, pharynx, and oesophagus that carries potentially serious consequences for horses. Given the diversity of differential diagnoses that may cause dysphagia, an understanding of the prevalence of dysphagia in hospitalised patients, the distribution of aetiologies and clinical outcomes could inform diagnosis, treatment, and prognosis. Objective: This study aims to describe the incidence, signalment, history, aetiology, treatment, and outcome of horses presenting to a referral hospital for dysphagia. Methods: Retrospective case s...