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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.
Comparison of early and late time-controlled adaptive ventilation on pulmonary gas exchange in anesthetized horses.
Veterinary anaesthesia and analgesia    June 25, 2025   S1467-2987(25)00138-2 doi: 10.1016/j.vaa.2025.06.007
Vicenti C, Cercone M, Nieman G, Habashi NM, Andrews P, Satalin J, Velarde P, Mitchell KJ, Louie EW, Albano V, Ali H, King A, Staffieri F, Gleed R....To compare early versus late time-controlled adaptive ventilation (TCAV) for setting airway pressure release ventilation (APRV) on arterial oxygenation in dorsally recumbent anesthetized horses. Methods: A crossover, nonrandomized, experimental study. Methods: Six healthy adult horses. Methods: Each horse underwent two anesthetics: 1) volume-controlled ventilation (VCV) began for 30 minutes before switching to APRV using the TCAV method (late TCAV, TCAV); and 2) ventilation began immediately with TCAV (early TCAV, TCAV). The study lasted 180 minutes, with arterial blood gases and respiratory m...
Antimicrobial resistance in bacteria isolated from diseased horses in Poland, 2010-2022.
Polish journal of veterinary sciences    June 25, 2025   Volume 28, Issue 2 291-302 doi: 10.24425/pjvs.2025.154948
Żychska M, Rzewuska M, Kizerwetter-Świda M, Chrobak-Chmiel D, Stefańska I, Kwiecień E, Witkowski L.The rise of antibiotic resistance is a global health crisis affecting human and veterinary medicine, highlighted within the One Health framework. Horses, classified as both meat and companion animals, play a crucial role in facilitating resistant bacteria spread to humans. Despite increased awareness and reduced antibiotic use in livestock, data on equine antibiotic use and resistance remain limited. This retrospective study examines antimicrobial resistance in 978 bacterial isolates from horses in Poland over 12 years (2010-2022), utilizing data from the Microbiological Diagnostic Laboratory ...
Pantoea agglomerans in Equine Ulcerative Keratitis: Prevalence and Comparative Efficacy of Four Topical Antiseptics.
Veterinary ophthalmology    June 25, 2025   doi: 10.1111/vop.70044
No abstract available
Donkey and Hybrid Anaesthetic Mortality in an Observational, Prospective, Multicentre Cohort Study.
Animals : an open access journal from MDPI    June 25, 2025   Volume 15, Issue 13 1880 doi: 10.3390/ani15131880
Boocock H, Flyps J, Escobar A, Redondo JI, Taylor PM, Gozalo-Marcilla M, Johnston GM, Bettschart-Wolfensberger R, Sullivan R.Equid anaesthetic mortality is of interest to practitioners. Data for donkey and hybrid mortality have not been specifically described. The main aim of this worldwide observational, prospective, multicentre cohort study was to report on mortality in the 7 days following a general anaesthetic or standing sedation in donkeys and hybrids. This study hypothesised that donkeys and hybrids would have higher mortalities compared to horses. Data were collected as part of the fourth Confidential Enquiry into Perioperative Equine Fatalities (CEPEF4). A total of 825 cases were included, with 757 donkeys ...
Effect of Centrifugation of Stallion Semen Through a Low Density Colloid Prior to Freezing on Sperm Cryosurvival.
Animals : an open access journal from MDPI    June 25, 2025   Volume 15, Issue 13 1881 doi: 10.3390/ani15131881
Al-Kass Z, Morrell JM, Ntallaris T.Sperm quality is adversely affected by cryopreservation due to the increased production of reactive oxygen species, which affects the integrity of sperm membranes, motility, and DNA fragmentation. Three methods for removing seminal plasma, washing (centrifuging extended semen at 800× for 10 min) and Single Layer Centrifugation with high or low density Equicoll, were used to prepare 29 ejaculates from ten stallions for freezing. Sperm quality parameters (kinematics, plasma membrane integrity, superoxide and hydrogen peroxide production, mitochondrial membrane potential, and DNA fragmentation)...
Evaluation of use of respiratory physiotherapy in treatment of young foals with pneumonia.
Journal of equine veterinary science    June 25, 2025   105637 doi: 10.1016/j.jevs.2025.105637
Rossi HS, Mykkänen AK, Teppo AM, Junnila JJT, Hyytiäinen HK.Pneumonia is a common condition in young, hospitalized foals, causing accumulation of inflammatory secretions to the airways. In humans, respiratory physiotherapy is commonly used as a supplementary treatment for pneumonia with varying results regarding its efficacy, but the efficacy in foals has not been assessed to date. Objective: This study aimed to evaluate the safety and efficacy of respiratory physiotherapy as a supplementary therapy method for young foals with pneumonia. Methods: A total of 44 foals with pneumonia aged under a month were used. The prospective intervention group receivi...
Haemoglobin concentration measurement agreement obtained from three different devices in anaesthetised horses.
Veterinary journal (London, England : 1997)    June 25, 2025   106394 doi: 10.1016/j.tvjl.2025.106394
Santos L, Werfel K, Ferlini-Agne G.Accurate measurement of haemoglobin concentration is crucial for monitoring the oxygen-carrying capacity in anaesthetised horses. This prospective study aimed to determine the agreement in haemoglobin concentration in anaesthetised horses using the SpHb pulse co-oximeter, an Epoc® blood gas analyser, and values derived from packed cell volume (PCV), which served as the reference method in this study. The study included 34 horses undergoing elective surgeries. Blood samples were collected from each horse and divided for analysis using the microhaematocrit method to estimate haemoglobin concent...
Detection using chamber digital PCR with a DNA extraction-free method for gene-doping control.
Forensic science international    June 25, 2025   Volume 374 112545 doi: 10.1016/j.forsciint.2025.112545
Furukawa R, Tozaki T, Kawate K, Kikuchi M, Ishige T, Takahashi Y, Fukui E, Kakoi H.Gene doping, which entails the administration of transgenes, poses a serious threat to the integrity of equine sports and also raises both ethical and regulatory concerns. Current methods used for the detection of such doping often necessitate the extraction of DNA from plasma, which can be time-consuming and labour-intensive. To overcome this limitation, we developed a direct chamber digital PCR (cdPCR) method that enables transgene detection in equine plasma without the need for DNA purification. Using the equine erythropoietin (EPO) transgene as a model, we validated the assay by analysing ...
Equine Bone Imaging, Part 1: Establishing an Equine Nuclear Medicine Facility.
Journal of nuclear medicine technology    June 24, 2025   jnmt.125.270049 doi: 10.2967/jnmt.125.270049
Tually P, Currie G.While the establishment and operation of an equine nuclear medicine department share several principles with those of human nuclear medicine departments, they require an additional skill set to ensure safe and effective operation. This article explores the practical aspects of equine nuclear medicine facility location and design and details important considerations for safe and practical operation. Key considerations associated with the differences in physical and radiation safety and imaging approaches are explored. Specific adaptations of γ-camera gantries to allow either planar imaging or ...
Is Rifampin (Rifampicin) Essential for the Treatment of Rhodococcus equi Infections in Foals? A Critical Review of the Role of Rifampin.
Journal of veterinary pharmacology and therapeutics    June 24, 2025   doi: 10.1111/jvp.70007
Baptiste KE, Kyvsgaard NC, Ahmed MO, Damborg P, Dowling PM.Rifampin is an enigma among antimicrobials. Blood and tissue compartment concentrations are a "moving target" along the treatment course due to the complex pharmacodynamic interactions within the body. Rifampin concomitant therapies are for the prevention and treatment of Rhodococcus equi infection in foals, for nearly 40 years. The necessity of rifampin concomitant therapies is based on beliefs that both antimicrobials (e.g., rifampin plus macrolide) penetrate into pulmonary abscesses and intracellular compartments above R. equi minimum inhibitory concentrations (MICs), as well as better ef...
Computed tomographic myelography of the cranial cervical spine in Warmblood horses with no spinal pathology-Inter- and intravertebral ratios and distribution of contrast columns in neutral and flexed cervical spine.
Equine veterinary journal    June 24, 2025   doi: 10.1111/evj.14552
Hellige M, Schröder C, Seehusen F, Cavalleri JM, Rohn K, Stadler P, Geburek F.Computed tomographic myelography (CTM) and radiographic myelography (RxM) are diagnostic for extradural spinal cord compression, but knowledge about the contrast distribution in flexion and normal position of nonaffected horses is lacking. Objective: (1) To determine the inter- and intravertebral ratios at C3-C4 of CTM in neutral and flexed positions in Warmbloods. (2) To compare the diameters of the spinal cord and the contrast columns at C3-C4 between neutral and flexed positions in CTM and RxM. (3) To evaluate the variability of measurements. Methods: Terminal in vivo method-comparison stud...
Dual-Energy Computed Tomography for the Detection of Bone Edema-Like Lesions in the Equine Foot: Standing Horses and Cadaveric Specimens.
Veterinary sciences    June 24, 2025   Volume 12, Issue 7 614 doi: 10.3390/vetsci12070614
Germonpré J, Lorenz I, Vandekerckhove LMJ, Duchateau L, Diekhoff T, Vanderperren K.Dual-energy computed tomography (DECT) is a promising advancement for detecting bone edema-like lesions (BME). However, its application in horses remains limited. The aim of this study was to evaluate DECT virtual-non-calcium (VNCa) imaging in the equine foot and establish which confounding factors could influence its applicability in clinical practice. The DECT VNCa map of 14 standing and 5 cadaveric (recumbent) cases with foot-related lameness was scored in consensus by two readers in comparison to MRI. Overall, 17/19 cases demonstrated BME on MRI, whereas 2 did not. Agreement between DECT V...
Prevalence of musculoskeletal injuries associated with lameness in Australian campdraft horses.
Equine veterinary journal    June 24, 2025   doi: 10.1111/evj.14551
Argue BJ, Labens R.Campdrafting is a unique Australian cow horse sport, which evolved from mustering cattle and is one of Australia's fastest growing equine sports. This discipline is associated with its own unique set of musculoskeletal injuries yet to be reported. Objective: To describe the prevalence, anatomical location, and diagnostic modality used to localise lameness in campdrafting horses to better assist efficient orthopaedic management of the campdraft horse. Methods: Retrospective case series. Methods: Medical records were examined from one private practice equine group and one university veterinary h...
Bilateral testicle teratoma in an equine fetus: a rare case.
Journal of equine veterinary science    June 23, 2025   105633 doi: 10.1016/j.jevs.2025.105633
Nieman RT, Lamim LI, Del Fava C.Fetal loss in mares can result from a range of causes, including infectious agents or noninfectious conditions such as neoplasia, which may originate from either the fetus or the dam. Among neoplastic conditions, teratomas are rarely reported and, to date, have not been described in the equine fetal testis. Teratomas arise from the partial differentiation of pluripotent germ cells and may occur in young and adult horses, typically in cryptorchid testes. Their gross and histopathological features vary widely between cases. This report describes a rare case of bilateral fetal testicular teratoma...
Novel primers for the detection and differentiation of S. zooepidemicus and S. equi by PCR.
Research in veterinary science    June 23, 2025   Volume 193 105779 doi: 10.1016/j.rvsc.2025.105779
Mikaiel T, Waller A, Foote A, Cardwell JM, Mitchell J, Priestnall SL.Streptococcus equi subspecies zooepidemicus (S. zooepidemicus) is a commensal opportunistic bacterium associated with outbreaks of equine respiratory disease alongside a diverse range of diseases in various species. The closely related Streptococcus equi subspecies equi (S. equi) is the causative agent of 'strangles', the most frequently diagnosed contagious equine disease. Despite differing clinical signs, the two subspecies share approximately 97 % DNA homology and respectively present serious equine health and welfare concerns. Currently there are few PCR assays targeting unique regions of...
Investigation of peptide cross reactivity in equine plasma using two adrenocorticotropic hormone immunoassays.
Domestic animal endocrinology    June 23, 2025   Volume 93 106959 doi: 10.1016/j.domaniend.2025.106959
Durham AE.This study aimed to further define and quantify possible cross-reactive peptides when measuring plasma adrenocorticotropic hormone (ACTH) concentration in equids. Equine plasma samples were spiked with known concentrations of exogenous manufactured peptides comprising human ACTH, ACTH (corticotropin-like intermediate lobe peptide, CLIP) and ACTH (corticotropin inhibiting peptide, CIP). All samples were assayed in duplicate using Siemens Immulite 2000xpi chemiluminescent assay (CLA) and Tosoh AIA-900 immunoflurorescent assay (IFA). As expected, ACTH was measured by both assays although higher v...
Equine Veterinarian Perspectives on Mucocutaneous Tumors in Horses: A Survey-Based Study in Portugal.
Animals : an open access journal from MDPI    June 23, 2025   Volume 15, Issue 13 1853 doi: 10.3390/ani15131853
Pimenta J, Cotovio M.This study explores equine veterinarians' clinical practices regarding mucocutaneous tumors, based on a survey conducted among members of the Portuguese Association of Equine Veterinarians, and examines their perceptions of owner and buyer concerns regarding these tumors. Veterinarians expressed significantly greater concern about squamous cell carcinoma (SCC) during routine examinations ( < 0.001) compared to sarcoids and melanomas. Concern over sarcoids was significantly greater during pre-purchase evaluations compared to routine clinical exams ( = 0.03). For melanomas, a trend toward increa...
Concentration Changes in Plasma Amino Acids and Their Metabolites in Eventing Horses During Cross-Country Competitions.
Animals : an open access journal from MDPI    June 22, 2025   Volume 15, Issue 13 1840 doi: 10.3390/ani15131840
Reemtsma FP, Giers J, Horstmann S, Stoeckle SD, Gehlen H.Plasma amino acid (PAA) concentration in horses vary according to the exercise type. This study evaluated the changes in PAA levels and the associated metabolites, urea and ammonia, following short-duration, high-intensity cross-country exercise in eventing horses. Twenty eventing horses participated in 55 rides at 14 international competitions (2* to 4* levels) across five venues in Germany and Poland. Blood samples were collected at four timepoints: before exercise (TP0), at 10 min (TP1), and at 30 min (TP2) post-exercise, as well as in the morning on the day after the competition (TP3). A t...
Two Cases of Chromosome 27 Trisomy in Horses Detected Using Illumina BeadChip Genotyping.
Animals : an open access journal from MDPI    June 22, 2025   Volume 15, Issue 13 1842 doi: 10.3390/ani15131842
Ryan CA, Berry DP, Bugno-Poniewierska M, Burke MK, Raudsepp T, Egan S, Doyle JL.Autosomal trisomy, a genetic disorder characterized by the presence of an extra autosome, is a rare but important chromosomal abnormality in horses, often associated with infertility, developmental abnormalities, and reduced life expectancy. This study represents the largest population-level screening for autosomal trisomy in horses; the analysis used single nucleotide polymorphism (SNP) panel genotype intensity data from 17,078 horses, 6601 of which were juveniles (i.e., ≤12 months of age) when genotyped. Using methodologies adapted from similar screening studies in cattle, the only aneuplo...
Ultrasonographic diagnosis of caudoproximal humeral stress fracture in thoroughbred racehorses.
Equine veterinary journal    June 22, 2025   doi: 10.1111/evj.14546
Vaughan B, McKerney ER, Wollenberger C, Cloninger A, Spriet M, Galuppo L, Stover SM.Humeral stress fractures in racehorses can progress to catastrophic fracture if unrecognised. Scintigraphy is the gold standard diagnostic technique but is limited by accessibility and cost. It was hypothesised that ultrasonography could be used to visualise caudoproximal humeral stress fractures. Objective: To determine the utility of ultrasonography to identify caudoproximal humeral stress fractures in racehorses. Methods: Clinical case series. Methods: Seven racehorses that had a clinical history consistent with the presence of a humeral stress fracture were examined using humeral ultrasono...
Effectiveness of steam cleaning technology on reducing the occurrence of ESKAPE organisms and Escherichia coli in the stables of an equine referral hospital.
Journal of equine veterinary science    June 21, 2025   Volume 151 105636 doi: 10.1016/j.jevs.2025.105636
Sosa-Portugal S, Dale L, Devaney J, Sharp A, Malalana F, Timofte D.The "ESKAPE" bacteria include a group of organisms known for their multidrug resistance and potential association with nosocomial infections in human and veterinary hospitals. Objective: This study aimed to evaluate the effectiveness of steam cleaning in reducing the number of ESKAPE organisms on environmental surfaces from the stables of an equine veterinary referral hospital. Methods: Environmental sampling was performed at two timepoints (pre- and post-steam cleaning) on smooth metallic doors and rough rubber stable walls. Microbiological culture targeted ESKAPE organisms and Escherichia co...
Attitudes and experiences of UK vets towards control and prevention of strangles.
The Veterinary record    June 20, 2025   Volume 196, Issue 12 e5697 doi: 10.1002/vetr.5697
Whitlock F, McGlennon A, Newton R, Riley K.As part of her undergraduate research project, Cambridge vet student Katie Riley surveyed the attitudes of UK veterinarians with regard to preventing and controlling strangles, including the use of vaccination. Here, she and Fleur Whitlock, Abigail McGlennon and Richard Newton of Equine Infectious Disease Surveillance discuss her findings.
Objective Evaluation of Gait Asymmetries in Traditional Racehorses During Pre-Race Inspection: Application of a Markerless AI System in Straight-Line and Lungeing Conditions.
Animals : an open access journal from MDPI    June 18, 2025   Volume 15, Issue 12 doi: 10.3390/ani15121797
Meistro F, Ralletti MV, Rinnovati R, Spadari A.Subtle locomotor asymmetries are common in horses and may go unnoticed during routine pre-race clinical inspections, particularly when based solely on subjective evaluation. This study aimed to describe vertical head and pelvic movement asymmetries in racehorses that passed official pre-race inspections at a traditional racing event. Twenty-four horses were analysed using a markerless AI-based gait analysis system while trotting in-hand and during lungeing in both directions. Asymmetry parameters (HDmin, HDmax, PDmin, and PDmax) were extracted from video recordings, with values ≥0.5 consider...
An ex vivo comparison of jejunal transection angles and the effect on lumen diameter following end-to-end jejunojejunal anastomoses.
Veterinary surgery : VS    June 17, 2025   doi: 10.1111/vsu.14294
Baldwin CM, Gillen A.To evaluate three different jejunal transection angles for end-to-end jejunojejunostomies, comparing construction time, lumen size, and suture number. Methods: Ex vivo cadaver study. Methods: Eight euthanized horses each had three mid-jejunal specimens harvested. Methods: Jejunal segments were assigned to one of three groups (A30, A45, and A60) and transected at 30, 45, or 60°, respectively. Following transection, a standardized handsewn single-layer interrupted modified Lembert anastomosis was performed, and construction time and number of sutures placed were recorded. Anastomotic index (AI)...
Haplotype structure and heterozygosity around the fragile foal syndrome variant in Swedish Warmblod horses.
Animal genetics    June 17, 2025   Volume 56, Issue 3 e70022 doi: 10.1111/age.70022
Ablondi M, Eriksson S, Mikko S.Fragile foal syndrome (FFS) is a disease caused by a recessive lethal missense mutation in the PLOD1 gene located on ECA2. Despite its harmful effect, a relatively high frequency of FFS carriers was observed in Warmblood breeds spanning from 7.4% in a random sample of Swedish Warmblood breed to 17% in the Hanoverian and Danish Warmblood, indicating potential heterozygous advantage. Balancing selection can be further studied based on haplotype blocks and via detection of heterozygosity-rich region (ROHet) around the target of selection. In this study we evaluated the presence of haplotype block...
Long-Term Humoral Immune Response After West Nile Virus Convalescence in Horses in a Geographic Area of Multiple Orthoflavivirus Co-Circulation.
Journal of veterinary internal medicine    June 17, 2025   Volume 39, Issue 4 e70176 doi: 10.1111/jvim.70176
Tolnai CH, Forgách P, Marosi A, Fehér O, Paszerbovics B, Tenk M, Wagenhoffer Z, Kutasi O.In the last three decades, West Nile virus (WNV, Flaviviridae, Orthoflavivirus genus) has become one of the most important encephalitic agents worldwide, causing substantial numbers of cases in humans and horses every year by re-emerging in endemic areas and emerging in new territories. It is considered that after natural WNV infection, humans and birds develop long-term immunoprotection, but data on immunoprotection in horses is scarce. Objective: West Nile virus infection provides long-term humoral immunity in subclinically infected horses. Methods: Client-owned, naturally WNV subclinically ...
Exposure of horses to biotoxins, phytoestrogens, and pesticides from different feed materials and supplementary feeds.
Journal of equine veterinary science    June 16, 2025   Volume 151 105632 doi: 10.1016/j.jevs.2025.105632
Kwaß LM, Khiaosa-Ard R, Zebeli Q, Sulyok M, Milojevic V, Metzler-Zebeli BU.The occurrence of biotoxins and chemical residues in marketed horse feeds has direct influences on horse health but has not been studied yet. Objective: The study investigated the exposure and health implications of contaminants in various horse feedstuffs available on the European market. Methods: A total of 108 feed samples representing diverse product categories such as hay, processed roughage products, grains, and various supplementary feeds were collected from different European countries and analyzed for contaminants, including mycotoxins, phytoestrogens, pesticides, and veterinary drug ...
Clinical evaluation of freeze-dried secretome (lyosecretome) for osteoarthritis: a controlled trial in dogs and preliminary safety assessment in horses.
International journal of pharmaceutics    June 16, 2025   Volume 681 125864 doi: 10.1016/j.ijpharm.2025.125864
Berni P, Del Bue M, Conti V, Andreoli V, Ramoni R, Angelone M, Squassino GP, Bari E, Torre ML, Rinaldi M, Dotti S, Rossi R, Yusuf I, Mauri P....Most in vivo studies on MSC-secretome for osteoarthritis (OA) have relied on animal models, using products lacking pharmaceutical quality, not formulated for clinical use, and insufficiently characterized, limiting knowledge of its effectiveness. This study reports veterinary clinical trials on dogs and horses with spontaneous OA: in dogs (26 subjects), the trial is randomized, double-blinded, and controlled; in horses, 5 clinical cases were treated for safety assessment. Treatment consisted of hyaluronic acid with either lyosecretome - a freeze-dried, injectable MSC-secretome obtained through...
Molecular detection of the Escherichia coli heme-utilization gene A virulence factor in E. coli isolated from the feces of horses in Sumbawa island, Indonesia.
Veterinary research forum : an international quarterly journal    June 15, 2025   Volume 16, Issue 6 325-330 doi: 10.30466/vrf.2024.2039823.4421
Kholik K, Sukri A, Priscilia Riwu KH, Ayu IW, Dewi IN.The transmission of () containing virulent genes from animals to humans and the environment poses significant public health challenges. This study aimed to detect the virulence factor of the () in isolated from the feces of apparently healthy horses in the island of Sumbawa, Indonesia. The study utilized 52 fecal samples from a total horse population of 283, calculated using the disease detection formula. Fresh feces were collected immediately after excretion and placed in buffered peptone water for subsequent analysis. The samples were then isolated on eosin methylene blue media and identi...
Current Practices and Considerations in Therapeutic Farriery for Equine Tendon and Ligament Injuries.
The Veterinary clinics of North America. Equine practice    June 14, 2025   Volume 41, Issue 2 443-451 doi: 10.1016/j.cveq.2025.05.003
Beasley B.The overall objective of therapeutic farriery for equine tendon and ligament injuries is to provide a biomechanical environment conducive to healing by limiting excessive strain on the injured structure. With an understanding of equine limb anatomy and the pathophysiology of tendon/ligament injuries, the rationale used in therapeutic farriery for soft tissue injuries of the distal limb is quite logical. Through therapeutic farriery, foot manipulation is used to reduce the tension on the injured tendon(s) or ligament(s).