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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.
Morbidity associated with inhalation anesthesia in horses: the role of opioid use in a university teaching hospital. Despite concerns among equine practitioners, the effects of opioid administration on intraoperative complications during inhalation anesthesia remain incompletely characterized. This retrospective study evaluated intraoperative complications and perianesthetic mortality in horses undergoing inhalation anesthesia according to opioid use. Medical records from a university veterinary hospital were reviewed (2014-2025) and grouped based on opioid inclusion in anesthetic protocols and surgery type (colic vs. non-colic). Intraoperative hypotension (MAP < 70 mmHg), hypothermia (temperature 65 mmH...
Evaluation of autologous fecal microbiota transplantation for restoring equine gut microbiota after antibiotic-induced dysbiosis. Microbial resilience is important to maintain a healthy gut environment in horses, especially after antibiotic administration, but the efficacies of post-antibiotic recovery strategies remain poorly characterized. We used microbial amplicon sequencing to compare spontaneous recovery, autologous fecal microbiota transplantation (FMT), and probiotic administration in 18 horses following antibiotic-induced dysbiosis. Clinically healthy horses received a combination of cephalothin and minocycline for 5 consecutive days before intervention. Fecal microbial recovery was longitudinally evaluated by u...
Assessment of knowledge, attitudes, and preventive practices for equine Endoparasite control among livestock owners in South Gondar Zone, Northwest Ethiopia: A community-based cross-sectional study. Endoparasites are a major health concern affecting equine productivity and welfare worldwide. Understanding farmers' knowledge, attitudes, and practices (KAP) toward parasite control is critical for designing effective interventions. This study assessed KAP levels among farmers in South Gondar Zone, Northwest Ethiopia, and identified factors associated with good KAP. A community-based cross-sectional study was conducted among 150 farmers. KAP scores were initially categorized into three levels (low, moderate, and high) and analyzed using chi-square (χ) tests to explore bivariate associations....
Mitigating and addressing complications in equine laparoscopy. The purpose of this article was to report a condensed overview of current strategies for mitigating and managing complications in equine laparoscopic surgery. Minimally invasive surgical techniques have become standard in equine surgery for a variety of diagnostic and therapeutic procedures, with purported advantages including reduced postoperative pain, expedited recovery, fewer incisional complications, and enhanced visual imagery for the surgeon compared to traditional open approaches. Despite these benefits, complications can arise, and the literature demonstrates variability in definition...
Ovum pick-up in mares: Evidence review and best practice recommendations using a modified GRADE approach. Ovum pick-up (OPU) is a procedure that is now performed in mares worldwide to harvest oocytes for in vitro embryo production. There is a lack of consensus surrounding best practices for various procedural elements of the technique and recently there has been an increasing focus on the welfare aspects of the procedure. Our objective was to summarize current practice and to develop guidelines for OPU in the mare, using a modified GRADE approach to optimize efficiency and mare welfare. Published evidence on various aspects of the procedure was compiled, and to supplement the relative lack of publ...
Case Report: Oral and topical chronic administration of THC-rich and CBD-rich cannabis oil as palliative care in a rescued horse with open wound, sarcoid and chronic pain. Cannabinoid-based therapies have shown analgesic, anti-inflammatory, and wound-healing potential across veterinary species; however, clinical data on long-term use of THC-rich formulations in horses remain scarce. This case report describes the use of combined oral and topical THC-rich and CBD-rich full-spectrum cannabis oils as part of a palliative care strategy in a rescued horse with severe chronic disease. A senior mixed-breed gelding was rescued with a large, chronic ulcerative lesion of the left hind limb, severe malnutrition, non-weight-bearing lameness (AAEP grade 5/5), and refractory ...
Use of computer-assisted tomography for diagnosis and standing surgical reduction of progressive ethmoidal hematoma in a mare. Progressive ethmoidal hematoma (PEH) is a rare, nonneoplastic mass occurring in the sinonasal passages of horses. An 11-year-old, pregnant Thoroughbred mare was presented with a history of intermittent nasal discharge and stertorous respiration. On examination, radiography revealed increased opacity in the sinus and nasal cavities and endoscopy identified a mass emerging from the left ethmoidal turbinate. Computed tomography (CT) showed the range and origin of the mass, indicative of PEH. A standing frontonasal flap was made under sedation, following temporary tracheostomy to secure the airway...
Vitrification of in vivo produced equine embryos: Size really does matter! Vitrification rather than slow-freezing has become the method of choice for the cryopreservation of in-vivo produced embryos. It is a simple technique that does not require a programmable freezing machine and relies chiefly on placing the embryo on a surface, rather than within a straw, in a small volume of vitrification solution to achieve extremely rapid cooling rates. However, in the field of equine embryo vitrification size truly does matter. Methodologies for both vitrification and warming prior to transfer are largely dictated by the size of the embryo. Since embryo size is directly rela...
Roux-en-Y gastrojejunostomy and jejunojejunostomy for pyloric obstruction bypass in a horse and a foal. Gastric outflow obstruction in horses is a rare but challenging condition, often resulting from either congenital anomalies or acquired lesions such as chronic ulceration or pyloric polyps. Conventional surgical bypass procedures, including gastrojejunostomy (GJ) or gastroduodenostomy and less commonly duodenojejunostomy, can restore patency but may lead to postoperative complications. Objective: To describe the presentation, surgical management, and postoperative outcome of two horses-an adult and a foal treated with Roux-en-Y gastrojejunostomy combined with a side-to-side jejunojejunostomy (...
Cheek tooth extraction in geriatric versus non-geriatric horses. Age-related dental changes are major contributors to dental disorders in older horses, and cheek tooth extractions are often required to maintain masticatory function and oral comfort. However, limited information is available on clinical and treatment characteristics in this older patient population. Objective: To describe clinical features, treatments, complication rates and short-term outcomes of horses undergoing oral cheek tooth extraction and treatment of odontogenic sinusitis, and to compare findings between geriatric and non-geriatric horses. Methods: Retrospective analysis of clinical...
Oclacitinib for Controlling Pruritus and Associated Skin Lesions in 16 Horses With Allergic Dermatitis. Oclacitinib is a Janus kinase inhibitor approved for the treatment of pruritus associated with allergic dermatitis in dogs and may be effective in horses. Objective: To evaluate the efficacy of oclacitinib in reducing pruritus and skin lesions in horses with allergic dermatitis. Methods: Sixteen horses aged ≥ 18 months. Methods: Horses received oclacitinib at 0.25 mg/kg orally once daily for 21 days. Changes in haematological and biochemical parameters were measured on Day (D)0 and D21. The owners were instructed to evaluate the horses using the pruritus Visual Analog Scale (PVAS) on...
Laser neoureterocystostomy to treat ectopic ureters. Ureteral ectopia is an uncommon but clinically important congenital abnormality in horses. If left untreated, it can lead to persistent dermatitis, urinary tract infections, and failure to thrive. Surgical correction is necessary, but traditional approaches have produced mixed results with high morbidity. Identification of a minimally invasive, effective technique would significantly improve prognosis. Objective: To describe the procedure and outcomes of cystoscopic guided laser neoureterocystostomy in three fillies. Methods: Case series. Methods: Retrospective review of three cases treated wi...
Prevalence of cardiac arrhythmias in poorly performing horses. Electrocardiogram abnormalities are common in racehorses and can affect performance. Unassigned: This study aimed to analyze the results of electrocardiographic problems and measure the frequencies of various cardiac arrhythmias. Unassigned: This cross-sectional study was conducted between September 2023 and August 2024. Standard electrocardiographic recordings were obtained from all horses, and cardiac troponin levels were measured. Out of the 114 poorly performing adult horses, 10 cases without arrhythmia were considered the control group. Seventy-four horses (64.9%) had at least one type of...
Management of Equine Post-Extraction Cheek Tooth Alveoli: Application of Alveolar Plugs. Preservation of dentition remains the primary goal of equine dentistry; however, cheek tooth extraction is required in cases of severe dental pathology. Following tooth extraction, management of the post-extraction alveolus remains a significant clinical challenge due to its large size and susceptibility to contamination with feed material and bacteria. To mitigate these risks, alveolar plugs are commonly used to protect the alveolus, stabilize the blood clot, and support granulation tissue formation. This review summarizes the current case reports and research articles regarding the use of al...
Miscellaneous Equine Liver Conditions. Miscellaneous equine liver conditions not covered in other chapters include chronic active hepatitis, Tyzzer's disease, seasonal idiopathic hepatitis, neoplasia, and idiopathic persistent hyperbilirubinemia. Chronic active hepatitis refers to inflammatory and fibrotic liver disease with an unknown cause. Treatment is aimed at reducing inflammation. Tyzzer's disease is caused by Clostridium piliforme infection and causes acute necrotizing hepatitis in foals. Successful treatment with antimicrobial therapy and supportive care is rare. Seasonal idiopathic hepatitis is a winter disease of Midweste...
Biliary Disorders in Horses. This review will mainly focus on the presentation, diagnosis, and treatment of cholangiohepatitis in adult horses. The condition is often accompanied by some degree of intrahepatic and/or extrahepatic biliary obstruction with "sludgy" bile or actual choleliths. In horses, these calculi are typically composed of calcium bilirubinate, rather than cholesterol. There is a propensity for cholangiohepatitis to become a recurrent, chronic condition and patient management should reflect this. Although much rarer, foreign body obstruction, neoplasia and, in some parts of the world, liver flukes can als...
Topical betulinic acid for treatment of equine melanoma and sarcoid. Betulinic acid, a natural pentacyclic triterpenoid, has demonstrated anti-inflammatory and anti-tumor properties in vitro, including activity against equine melanoma and sarcoid. However, there is limited in vivo evidence evaluating its clinical efficacy. The objective of this study was to assess the safety and efficacy of a compounded 1% betulinic acid cream for the treatment of equine cutaneous melanoma and sarcoid. Unassigned: This prospective, randomized, double-blinded, placebo-controlled clinical trial enrolled client-owned horses with melanoma or sarcoid tumors. Horses received either a...
Equine Liver Histopathology. This review summarizes best practices for equine liver biopsy, including when to perform a biopsy, techniques for sample collection and handling, and strategies to optimize diagnostic yield. It discusses the interpretive framework used by pathologists, common diagnostic challenges, and prognostic scoring systems. Limitations such as sampling error and variability among observers are considered alongside ancillary testing, immunohistochemistry, and in situ hybridization. Emphasis is placed on the importance of communication between clinicians and pathologists to maximize diagnostic and prognost...
Feasibility of a hand-held myotonometry device for measuring biomechanical muscle parameters in horses. To evaluate the feasibility of a hand-held myotometry device for measuring the biomechanical parameters (frequency, stiffness, and decrement) of the longissimus dorsi muscle in the thoracolumbar region of healthy horses. Unassigned: Data were obtained from 50 adult horses. The biomechanical parameters were measured using a MyotonPRO device in triple-scan mode. Measurements were recorded on both sides, with the horses standing square. The analysis focused on whether there were differences between the sides and correlations between the variables. Unassigned: The mean muscle frequency (hertz) was...
Integrative and conjugative elements carrying high-level gentamicin resistance genes in Streptococcus dysgalactiae subsp. equisimilis from horses. In streptococci, the acquisition of high-level gentamicin resistance (HLGR) abolishes the synergy with beta-lactams, constituting a medical concern for humans and animals. This synergy between gentamicin and beta-lactams is useful to treat severe infections like endocarditis, among others. HLGR has been characterized mostly in roup B Streptococci mediated by the bi-functional gene (6)-(2).HLGR- subsp. () (=27) were isolated from the uterus of mares during a routine screening before fecundation. One HLGR- was isolated from a lymph node of a mare. The mares resided in six different studs locat...
Anatomical distribution of meconium detected by focused abdominal ultrasound in hospitalized healthy and sick neonatal foals. Meconium impaction is a common cause of neonatal colic in foals, yet its ultrasonographic appearance and distribution remain poorly characterized. Objective: This study aimed to describe the frequency, distribution, and ultrasonographic appearance of meconium in hospitalized neonatal foals using a standardized focused ultrasound (FUS) abdominal protocol. Methods: The FUS protocol included 9 acoustic windows (3 left-sided, 3 ventral, 3 right-sided) and was performed once during hospitalization by a single operator using a curvilinear transducer. Results: Thirty-six foals (16 healthy and 20 sick...
Retained fetal membranes in light breed mares hospitalized for attended parturition. Retention of fetal membranes (RFM) is well described in draft breeds, whereas data on light breed mares remains limited and inconsistent. Objective: This retrospective study aimed to describe the frequency, associated factors, treatments, and consequences of RFM in light breed mares hospitalized for attended parturition. Methods: Medical records of 321 light breed mares hospitalized for attended parturition at the Veterinary Teaching Hospital, University of Bologna, were retrospectively reviewed. Data collected included: breed, previous history of RFM, age, parity, assisted reproductive techni...
Use of Intraperitoneal Lidocaine in Horses Undergoing Laparotomy for Colic. Perioperative lidocaine is widely used in horses with acute abdomen for its analgesic, prokinetic, anti-inflammatory, and anti-endotoxic effects, although evidence of its visceral analgesic efficacy remains inconclusive. Given the potential of alternative routes of administration for local anaesthetics, this prospective, randomised, unblinded clinical trial evaluated whether intraperitoneal (IP) lidocaine improves early postoperative recovery, including recovery from anaesthesia and the first 24 h after laparotomy for colic. A Multifactorial Numerical Rating Composite Pain Scale for equines wa...
Industry Perceptions of Thoroughbred Racehorse Emotions and Quality of Life: Implications for the Development of an Equine Quality of Life Assessment Tool. Understanding how horses experience their lives is essential for improving their welfare, particularly in high-performance industries such as horseracing. Quality of Life (QoL) frameworks highlight the balance between positive and negative experiences over time, yet there is limited evidence on how racing professionals assess horse emotions and QoL, especially positive emotional states. This study reports findings from an international online survey of 230 racing industry participants. It explored confidence in assessing racehorse emotions, the perceived importance of emotional state for perfo...
Near-Term Extrauterine Pregnancy Secondary To Uterine Rupture In A Mare. Uterine rupture is an uncommon but life-threatening complication of equine reproduction, typically associated with dystocia, uterine torsion, fetal manipulation, or hydrops. Tears may occur in either the uterine horns or body, although involvement of the ventral uterine body is rare. This case report describes an 11-year-old Arabian mare at 350 days of gestation that developed abdominal pregnancy secondary to uterine torsion and full-thickness ventral uterine rupture, resulting in fetal death and the free presence of the fetus within the peritoneal cavity. Surgical removal of the fetus and pri...
An epizootic of equine viral arteritis at a Thoroughbred racetrack in Illinois: 223 cases. An epizootic of equine viral arteritis (EVA) occurred over an 8-wk period in the summer of 1993 at a midwestern Thoroughbred (TB) racetrack that ceased operations in 2021. Based on clinical signs, viral isolation, and serology, 223 horses (213 TBs, 10 lead ponies) were affected. Consistent clinical signs included fever (38.3-40.6°C; 101-105°F), depression, inappetence, and diffuse urticaria, including distal limb and preputial edema. Equine arteritis virus (EAV) was cultured from buffy coat samples from 24 of 28 acutely ill horses. Seventeen of 18 convalescent horses and 1 of 92 non-affected...
Owner satisfaction and animal welfare after bilateral enucleation in horses. Bilateral enucleation in horses represents a challenging decision for owners, undertaken to relieve chronic, untreatable ocular pain. Emotional distress and uncertainty regarding postoperative welfare often lead to euthanasia instead of surgery. Objective: To evaluate owner perceptions of equine quality of life before and after bilateral enucleation, and to assess satisfaction with the procedure. Methods: Retrospective case series. Methods: Medical records from 21 horses that underwent bilateral enucleation between 2016 and 2024 were reviewed. Owners completed a structured survey assessing sat...
Evaluation of Circadian Variations of Central Corneal Thickness and Its Correlation With Intraocular Pressures in Healthy Horses. Circadian variations in central corneal thickness (CCT) and their correlation with intraocular pressure (IOP) have not been reported in horses. This information may be clinically relevant when interpreting IOP readings. Methods: Twenty-four eyes of 6 healthy adult gelded males and 6 healthy adult intact mares were evaluated. Rebound tonometry (TonoVet, Jorgensen Laboratories) followed by ultrasonic pachymetry (iPac Pachymeter, Reichert technologies) was performed in both eyes every 3 h over 24 h during the natural 14-h daylight summer photoperiod. Results: Central corneal thickness varied ...
Bronchoalveolar lavage changes the ultrasonographic and radiographic appearances of lungs in adult horses. To describe the effect of bronchoalveolar lavage (BAL) on the ultrasonographic and radiographic appearances of lungs of horses being evaluated for equine asthma syndrome (EAS). Unassigned: Prospective observational study enrolling 32 adult horses evaluated for EAS. Ultrasonographic and radiographic examinations of the thorax were performed before and within 3 hours following BAL and scored using previously validated systems. The differences in scores between groups (normal, mild EAS, moderate/severe EAS) were evaluated through the Kruskal-Wallis test, and the differences in scores before and f...
Venous blood lactate concentration as a predictor of intestinal viability in horses with acquired indirect inguinal hernia. Background: Acquired indirect inguinal hernia represents a life-threatening emergency. Therapeutic decision-making largely depends on intestinal viability, for which specific predictive parameters (such as venous lactate) have not been evaluated.Objectives: Investigating the predictive performance of venous blood lactate and other laboratory results on intestinal viability in horses with acquired indirect inguinal hernias.Study designRetrospective multicentre observational study.Methods: Seventy-four horses diagnosed with acquired indirect inguinal hernia (treated surgically) at two referral h...
