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Topic:Veterinary Care
Veterinary care in horses encompasses the medical and preventive measures taken to maintain and improve the health and well-being of equine patients. It includes a wide range of practices such as routine health examinations, vaccinations, dental care, parasite control, and management of injuries and diseases. Veterinary care also involves diagnostic procedures, surgical interventions, and therapeutic treatments tailored to the specific needs of horses. This page gathers peer-reviewed research studies and scholarly articles that explore various aspects of equine veterinary care, including advancements in diagnostic techniques, treatment protocols, and health management strategies to support the well-being and performance of horses.
Hidden Tarsal Lesions: The Role of Flexed and Oblique Radiographs in Young Horses. Radiographically apparent tarsal lesions associated with developmental orthopedic disease and joint sepsis are common in young horses. Standard radiographic projections are routinely used to identify osseous changes but may fail to detect lesions due to superimposition and complex anatomy. This retrospective case series describes plantar trochlear ridge lesions in young horses that were not identified on standard four projection radiograph series but were detected using flexed lateromedial and flexed oblique projections. Cases were selected based on persistent clinical signs localizing to the ...
Veterinarian and breeder perspectives surrounding ovum pick-up and intracytoplasmic sperm injection in mares: A survey study. There is an ethical debate about the application of ovum pick-up (OPU) and intracytoplasmic sperm injection (ICSI) in mares. Objective: To survey the opinions of equine veterinarians and breeders of sport horses on the ethics of using OPU-ICSI in mares. Methods: Cross-sectional descriptive study. Methods: Three surveys were distributed. The first targeted breeders ('Breeder Survey') who were actively involved in sport horse breeding. The second targeted veterinarians performing OPU ('OPU-Reprovets Survey'). The third targeted general equine practitioners ('Practitioner Survey'). There were six...
Intraoperative Mechanical Power and Post-Anesthetic Respiratory Outcomes in Horses: A Retrospective Cohort Study. Mechanical power (MP) represents the ventilatory-delivered energy to the respiratory system, integrating multiple variables into a single parameter. It has been linked to ventilator-induced lung injury and post-ventilation complications in human medicine, while clinical relevance in equine anesthesia remains insufficient. Objective: To evaluate the association between intraoperative mechanical power and postoperative respiratory outcomes in horses undergoing inhalant anesthesia. Methods: This retrospective cohort study analyzed anesthesia records from 843 adult horses anesthetized between 2023...
Intraoperative monitoring and anaesthetic complications in horses: A secondary analysis of the CEPEF4 multicentre cohort. CEPEF4 provides the most comprehensive contemporary dataset on perianaesthetic risk in horses. Intraoperative complications, monitoring and American Society of Anesthesiologists (ASA)-stratified associations with death remain incompletely described. Objective: To describe monitoring and complication incidence, assess associations with ASA physical status, and compare ASA-stratified mortality by complication status. Methods: Secondary analysis of a prospective, multicentre cohort study. Methods: Data from 47,371 equine general anaesthetics were analysed. Monitoring was described overall and by ...
Ethical monitoring of ovum pick-up procedures in domestic horses: A standardised self-assessment checklist for responsible veterinary practice. Assisted reproductive technologies (ARTs) have the potential to accelerate genetic improvement in selective equine breeding programmes while addressing specific reproductive challenges. One recent assisted reproductive technique in domestic horse breeding is Ovum Pick-Up combined with Intracytoplasmic Sperm Injection (OPU-ICSI). Despite their advantages, the implementation of these new procedures, like more established breeding methods, raises ethical concerns relating to aspects like animal welfare, staff safety, professional and veterinary practice integrity, which must be monitored and asse...
Hormonal, clinical, and survival outcomes in horses and ponies diagnosed with pituitary pars intermedia dysfunction in primary care practice. Variables associated with hormonal, clinical, and survival outcomes of equids with pituitary pars intermedia dysfunction (PPID) are incompletely investigated. Objective: Evaluate the effect of initial hormone concentrations, clinical signs, treatment, and owner-related variables on outcomes in horses and ponies with PPID. Methods: Medical records from 213 horses and ponies diagnosed with PPID by 2 university-based primary care practices. Methods: Analytical observational cohort study. Variables associated with adrenocorticotropic hormone normalization, clinical improvement, and survival after ...
Depth and distribution of colonic sand accumulation in a desert population of horses and its association with diagnosis of sand colic. To describe patient and management characteristics associated with radiographic sand accumulation in a desert population of horses, as well as identify factors independently associated with a diagnosis of sand colic and need for surgical intervention. Unassigned: Horses were prospectively allocated into 3 groups: control horses, horses with sand colic, and horses with non-sand-associated colic. Signalment, radiographs, and management outcomes were compared between groups. Unassigned: Median depth of sand was significantly greater in horses diagnosed with sand colic compared to other groups (11...
[Puncture wounds of the equine hoof – a retrospective study of 96 cases – Part 2: Management and prognosis]. Puncture wounds are a common and potentially life-threatening injury in equine veterinary practice. The aim of this study was to systematically analyze data from horses presenting to the clinic with a puncture wound. Unassigned: A retrospective study was conducted on patient data from horses with a puncture wound in the period from September 2008 to August 2024. Analyzed data included medical management and surgical treatment, complications, duration and costs of hospitalization, short-term survival rate and treatment success. Unassigned: A total of 96 horses met the inclusion criteria. Seven ...
Osteosynthesis of bilateral, displaced incisive bone fracture in a horse. A nine-year-old Trakehner mare was presented three days after an episode of severe epistaxis, showing intermittent foul-smelling nasal discharge with feed material and rostral displacement of the upper incisor teeth. Radiographic and computed tomography examinations revealed a complete comminuted fracture of the right side and an oblique complete fracture of the left side nasal processes of the incisive bone and maxillary bone, as well as open fractures of the nasal septum and palatine bone with displacement of the incisor part rostrally and development of an oronasal communication. The fractu...
Thermographic analysis of chiropractic care on the back health of Mangalarga Marchador horses. Poor saddle fit can cause back pain and lesions in horses, highlighting the need for preventive therapies. Objective: To evaluate the effects of chiropractic treatment on the backs of Mangalarga Marchador horses using infrared thermography to monitor thermal changes associated with saddle-induced overload. Methods: Physiological, environmental, thermographic, and chiropractic parameters were evaluated in 13 horses subjected to a standardized 25-min exercise session. Animals were assigned to either a control group (GC, n = 6) or a chiropractic treatment group (GT, n = 7). Assessments were c...
Validation of a handheld smartphone markerless method for quantifying thoracolumbar flexion-extension range of motion in horses at trot. Back pain and poor performance in horses are difficult to assess objectively and thoracolumbar flexion-extension range of motion (FE) is not reliably evaluated by subjective observation alone. A handheld, smartphone-based markerless computer vision system (RealHorse®; RH) may enable objective clinical and field-based FE assessment but requires validation against an established optical motion capture reference system (Qualisys®; QS). Objective: To compare the accuracy and precision of RH relative to QS for measuring FE in horses trotting on a straight line and on a circle. Methods: Cross-sect...
Factors Associated With Corneal Ulceration in Horses: 420 Cases (2020-2023). To evaluate how environmental and other risk factors are associated with the prevalence of corneal ulceration in horses presenting to equine emergency veterinarians in the Western United States. Methods: Retrospective study conducted from May 2020 to November 2023. Methods: Equine field and hospital practice in the Western United States. Methods: Four hundred twenty horses with corneal ulceration, confirmed by clinical examination and fluorescein staining, of any underlying cause. Methods: None. Results: The primary study outcomes were the association between environmental factors (wind speed,...
Quantifying the Equine Pain Response to Paracetamol Administration in Horses With Chronic Lameness Already Receiving Non-Steroidal Anti-Inflammatories. Paracetamol is used in horses alongside non-steroidal anti-inflammatories (NSAIDs) for multi-modal analgesia; however to date there are few studies published which have investigated its analgesic effect in the horse. Horses were recruited to this study from a population of geriatric horses at The Horse Trust. Horses were selected based on the following inclusion criteria; documented naturally occurring chronic lameness and being treated with an NSAID at the licensed dose and dosing interval. This population was assessed with a five-point subjective lameness grading system performed live by two...
The Effect of Different Extenders and Testicular Anaesthesia During Orchiectomy on Post-Thawed Spermatological Parameters of Stallion Epididymal Spermatozoa. Cryopreservation of epididymal stallion spermatozoa is a valuable tool for fertility preservation, particularly after orchiectomy. However, the potential interactions between local anaesthesia and extender composition on post-thaw spermatozoal quality remain poorly understood. This study investigated the effects of intratesticular lidocaine injection and the efficacy of various extender (egg yolk [EY] vs. lecithin [LC]) and cryoprotectant (glycerol [GLY] vs. dimethyl sulfoxide [DMSO]) combinations on stallion epididymal spermatological parameters. Using a paired factorial design, epididymal s...
Efficiency of a Combination of Polyethylene Glycol and Psyllium on the Evacuation of Sand Compared to Established Treatment Regimes in Sand Enteropathy of the Horse. The accumulation of sand in the abdomen is a rising risk for colic in horses. Sand mainly accumulates in the ascending colon in the cranioventral abdomen. Evacuation of sand is facilitated by the application of psyllium supported with a laxative via nasogastric intubation. Laxatives currently used are either sodium sulfate/magnesium sulfate or mineral oil. The aim of this study was to compare the efficiency of polyethylene glycol, a laxative already used in human medicine for chronic constipation, with that of the above-described, established therapy options. Therefore, 44 horses diagnosed wit...
Use of extracorporeal hemoperfusion in a 2-day-old foal with neonatal sepsis. A 2-day-old Miniature Horse filly presented with severe clinical and clinicopathologic findings consistent with neonatal sepsis, failure of transfer of passive immunity, and aspiration pneumonia. The filly initially was treated with broad spectrum antimicrobials, hemodynamic support, and hyperimmune plasma. Because of a lack of improvement within the first 24 h, extracorporeal blood purification and cytokine removal were implemented. The foal underwent hemoperfusion (HP) using a polymer-based device (VetResQ). Reported notable changes during and after treatment included improved physical exam...
Pelvic axial rotation in hindlimb lame horses changes after diagnostic analgesia. Visual assessment of mild to moderate hindlimb lameness has low sensitivity and specificity, potentially leading to flawed diagnostic procedures. Pelvic axial rotation (roll) makes the assessment more complex but is also a potential source of information. Objective: To describe pelvic roll patterns in horses with unilateral hindlimb lameness before and after diagnostic analgesia. Methods: Retrospective study. Methods: Optical motion capture data from 20 horses with unilateral hindlimb lameness before and after successful local analgesia (assessed visually and objectively) were retrospectively ...
Comparison of Fogarty and Vollmar thrombectomy for chronic jugular thrombosis in horses. Chronic jugular vein thrombosis may result in persistent venous obstruction and impaired head drainage. Although surgical thrombectomy is performed in selected cases, experimental comparisons between mechanical techniques for chronic thrombus removal in horses are lacking. Objective: To compare Fogarty catheter thrombectomy alone with a combined Vollmar ring-Fogarty technique for restoration and maintenance of luminal patency in experimentally induced chronic jugular thrombosis. Methods: Randomised in vivo study. Methods: Chronic right jugular thrombosis was induced in 10 healthy adult horses....
Failure of Passive Transfer in neonatal foals – a review. Failure of passive transfer (FPT) is a major contributor to morbidity and mortality in neonatal foals worldwide. Adequate ingestion and intestinal absorption of colostral immunoglobulin G (IgG) during the first hours of life are essential to ensure protection against early-life infections, such as diarrhoea and pneumonia, frequently with fatal outcome. This review summarizes current knowledge on the physiology of passive immunization, risk factors for inadequate IgG absorption, diagnostic methods, therapeutic strategies, and evidence-based preventive measures. Recent research highlights the im...
Horse Anatomy and Art: Carlo Ruini. Carlo Ruini's Dell'Anotomia et dell'infirmità del cavallo (1598) is widely regarded as the first scientific treatise on veterinary anatomy. This paper reviews the historical circumstances of its composition and printing history, the structure and scientific content of its five anatomical books, the long-standing controversy over Ruini's authorship - including the plagiarisms it subsequently suffered - and the disputed attribution of its woodcut illustrations to artists such as Leonardo da Vinci, Titian and Agostino Carracci. Ruini's description of the pulmonary circulation is situated within ...
Leptomeningeal dissemination of a poorly differentiated carcinoma involving the trigeminal ganglion in a horse: a case report. Neoplastic conditions involving cranial nerves are uncommon in horses and represent a significant diagnostic challenge. Leptomeningeal dissemination is a recognized mechanism of tumor progression in aggressive neoplasms but is rarely reported in this species. A 15-year-old mixed-breed horse with a history of periocular squamous cell carcinoma treated by enucleation three years earlier developed progressive neurological signs. Initial differential diagnoses included metastatic neoplasia and equine protozoal myeloencephalitis. Due to rapid neurological deterioration, euthanasia and necropsy were...
The effect of intravenous fluids administered prior to competition: A randomized clinical. Administration of intravenous fluids prior to competition is common at major equestrian competitions, yet few studies have evaluated the benefits of this practice. Objective: The hypothesis was that pre-ride intravenous fluid therapy would be associated with a lower heart rate and improved laboratory hydration parameters during or after the ride. Methods: 14 client owned horses entered in a 45 km ride in extreme heat and terrain were randomly assigned to receive IV fluids (IVF) or no IV fluids (NIV) the day before the ride. Blood samples and physical examination findings were collected at 6 ti...
Musculoskeletal examination of the hind limb of the horse. The intention of this tutorial video is to illustrate the methods of examining the hind limb and back of a horse in order to identify abnormalities that may be associated with lameness or disease. Unassigned: An 18-year-old quarter horse stallion was used for examination. Unassigned: The horse was examined for abnormalities using physical examination. Unassigned: The examination of the hind limb and epaxial region of the horse was successfully completed. Unassigned: The techniques described are required to identify abnormalities in the equine hind limb and can be utilized during a lameness exa...
Complications Following Nictitating Membrane Resection in Horses: 92 Eyes (2015-2024). The goal of this retrospective study is to evaluate the complications following nictitating membrane resection in horses with the aim of providing valuable information on the risks of this surgical procedure. Methods: 83 horses (92 eyes). Methods: Medical records for 83 horses that underwent nictitating membrane resection in 92 eyes between February 2015 and June 2024 were reviewed. Horses were included if they had at least 1 month of follow-up data available. Owners were contacted via telephone or email questionnaire to obtain follow-up information. Complications were recorded only when pre...
Eight Weeks of 448 kHz Radiofrequency Therapy Increases Multifidus Muscle Cross-Sectional Area and Modulates Thoracolumbar Range of Motion in Horses with Chronic Back Pain. We aimed to investigate the effects of an 8-week 448 kHz radiofrequency (RF) on multifidus cross-sectional area (CSA) and thoracolumbar differential range of motion (ROM). Eight Thoroughbred horseball horses received four RF treatments (T9-L6) at 2-week intervals. Multifidus CSA (T10-L5) and differential spinal ROM between the withers (W), T13, T18, L3 and sacrum (S) were measured before treatment, immediately after the first session, 24 h after the first session, and at 8 weeks (15 days after the last session). Linear mixed models with Tukey post hoc comparisons were used. Significant effects...
Testicular Disorders in Equids: A Case Series. Equine testicular disorders represent a diverse group of conditions that impact the longevity of a stallion's breeding career. Stud farm veterinarians should be familiar with the variety of clinical presentations and diagnostic options for these conditions. This retrospective case series reports 57 cases of testicular abnormalities in stallions and donkeys presented to the clinic for further diagnostics and treatment. These disorders included neoplasia (three unilateral and one bilateral seminoma; two Sertoli cell tumors; two Leydig cell tumors; and one malignant mixed sex cord-stromal tumor),...
Clinical outcomes of a novel flowable calcium silicate cement in equine endodontic treatment. Orthograde endodontic treatment of equine cheek teeth is performed infrequently with variable success rates of obturation with calcium hydroxide paste (CHP). A novel flowable calcium silicate cement (eCSC) formulated for use as an obturation material in equine teeth has demonstrated acceptable canal filling volumes and evidence of dentinal tubule penetration. However, clinical outcomes of eCSC-obturated equine teeth have not been reported. Objective: To report the clinical outcomes of orthograde endodontic treatment using eCSC. Methods: Retrospective case series. Methods: Horses that underwent...
Russell’s viper envenomation in a 9-month pregnant mare saved with high-dose antivenom: a first-in-world case report. Snakebite during pregnancy is an uncommon but potentially catastrophic event, with maternal and foetal outcomes closely related to the severity of envenomation. While snakebite in pregnant women has been sporadically reported and is known to be associated with significant obstetrical complications, envenomation in animals, particularly in pregnant horses, is exceedingly rare. Only a few isolated cases of snakebite in horses have been documented, and to the best of our knowledge, snakebite in a pregnant mare has not been previously reported in the medical or veterinary literature. Russell's vip...
Comparison of xylazine-ketamine-guaifenesin and xylazine-tiletamine-zolazepam protocols for constant rate infusion anesthesia in horses undergoing field castration. The common use of "triple drip" (xylazine, ketamine, and guaifenesin; XKG) is a popular protocol for constant rate infusion (CRI) in equine practice. However, due to restrictions on ketamine and guaifenesin in many countries, tiletamine-zolazepam (TZ) could serve as an alternative. To date, there have been limited studies evaluating the use of xylazine in combination with TZ (XTZ) administered via CRI to maintain surgical anesthesia in equine field practice. Objective: To compare the effectiveness and safety of XTZ infusion with the classical XKG protocol for field anesthesia. Methods: Twelve ...
