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Topic:Veterinary Science

Veterinary science and horses encompass the study and application of medical, surgical, and therapeutic practices to maintain and improve the health and welfare of equines. This field addresses a wide range of topics, including disease prevention, diagnosis, and treatment, as well as nutrition, reproduction, and behavior. Research in veterinary science for horses often involves understanding the pathophysiology of equine-specific diseases, developing advanced diagnostic techniques, and improving treatment protocols. This page gathers peer-reviewed research studies and scholarly articles that explore various aspects of veterinary science related to horses, providing insights into the latest advancements and methodologies in equine healthcare.
Extracellular vesicles released by Trypanosoma evansi: induction analysis and proteomics.
Parasitology research    September 3, 2024   Volume 123, Issue 9 314 doi: 10.1007/s00436-024-08330-x
Ungri AM, Dos Santos Sabatke BF, Rossi IV, das Neves GB, Marques J, Ribeiro BG, Borges GK, Moreira RS, Ramírez MI, Miletti LC.Trypanosoma evansi is a unicellular protozoan responsible for causing a disease known as "surra," which is found in different regions of the world and primarily affects horses and camels. Few information is known about virulence factors released from the parasite within the animals. The organism can secrete extracellular vesicles (EVs), which transport a variety of molecules, including proteins. Before being considered exclusively as a means for eliminating unwanted substances, extracellular vesicles (EVs) have emerged as key players in intercellular communication, facilitating interactions be...
Anatomy of the Right and Left Ventricular Subvalvular Apparatus of the Horse (Equus caballus).
Animals : an open access journal from MDPI    September 3, 2024   Volume 14, Issue 17 2563 doi: 10.3390/ani14172563
Bielińska K, Butkiewicz AF, Ziemak H, Zdun M.Due to the growing interest among veterinarians and the increasing market demands, the development of equine cardiology is necessary. Currently, veterinary medicine for companion animals needs to catch up to human medicine-equine medicine included. A common condition in older horses is aortic valve regurgitation resulting from fibrosis, while its more severe form occurs in younger horses or develops due to a bacterial infection. Mitral valve regurgitation, especially dangerous due to the possibility of sudden death, has a better prognosis if the horse has valve prolapse. Tricuspid valve regurg...
The circulation of methicillin-resistant Staphylococcus aureus between humans, horses and the environment at the equine clinic.
The Journal of antimicrobial chemotherapy    August 31, 2024   Volume 79, Issue 11 2901-2905 doi: 10.1093/jac/dkae303
Papouskova A, Drabkova Z, Brajerova M, Krutova M, Cizek A, Tkadlec J.We performed a retrospective analysis of MRSA isolates collected at the university equine clinic including clinical isolates from 2008 to 2021 and screening environmental, equine and personnel isolates from 2016. Screening and clinical samples were cultured on Brilliance MRSA 2 and Columbia agar (Oxoid), respectively, with enrichment for environmental samples. Antimicrobial susceptibility was assessed by disc diffusion. All the isolates were characterized by spa typing. Eighteen selected isolates were subjected to WGS with subsequent wgMLST clonal analysis. Among 75 MRSA isolates, five spa typ...
Effects of weaning-related stress on the emotional health of horses-A scoping review.
Equine veterinary journal    August 29, 2024   doi: 10.1111/evj.14412
Dwyer J, Roshier AL, Campbell M, Hill B, Freeman SL.Weaning represents one of the most stressful events in the life of a horse, and may have long-term impacts on behaviour. There are a range of approaches used to wean foals from mares, including abrupt and progressive separation methods. There is currently a lack of consensus on how stress and impact are measured. Objective: To conduct a scoping review to identify and chart measures of weaning-related stress on the mare and foal. Methods: Scoping review. Methods: The scoping review was conducted using the PRISMA extension for scoping reviews. Systematic searches were conducted in three scientif...
Effects of lead shielding on gamma radiation scatter energy spectrum during equine bone scintigraphy.
Journal of the South African Veterinary Association    August 29, 2024   doi: 10.36303/JSAVA.546
Kafka UCM, Beukes P, Slabbert JP, Carstens A.The main aim of this pilot study was to determine how the energy spectrum of scatter radiation emitted from horses after injection of the radiopharmaceutical Technetium-methyl diphosphonate (Tc-MDP), changed behind lead shielding of varying thicknesses (0.25 mm, 0.35 mm, and 0.5 mm Pb thickness), and if beam hardening occurred. The effect lead shielding has on the emitted gamma radiation energy spectrum has not been documented. In particular, the presence of beam hardening effects behind lead shielding was investigated, to determine whether or not it could discourage the use of lead shields du...
Exploring the Dissolution, Solid-state Properties, and Long-term Storage Stability of Cryoprotectant-free Fenbendazole Nanoparticles.
AAPS PharmSciTech    August 28, 2024   Volume 25, Issue 7 199 doi: 10.1208/s12249-024-02921-8
Bedogni G, Michelena LV, Seremeta K, Okulik N, Salomon C.Fenbendazole is an antiparasitic drug widely used in veterinary medicine to treat parasitic infections caused in animals like cattle, horses, sheep, and dogs. Recently, it has been repositioned as a potential alternative for cancer treatment. However, it is a highly hydrophobic molecule (0.9 ug/mL), which can compromise its dissolution rate and absorption. Thus, this work aimed to apply a nanotechnological approach to improve drug solubility and dissolution performance. Fenbendazole nanoparticles stabilized by different poloxamers were obtained by lyophilization without cryoprotectants. The be...
The Role of Equestrian Professionals in Saddle Fit for Horses and Riders in the United Kingdom.
Animals : an open access journal from MDPI    August 28, 2024   Volume 14, Issue 17 2495 doi: 10.3390/ani14172495
MacKechnie-Guire R, Williams JM, Fisher D, Nankervis K.The horse owner and the multi-disciplinary team (MDT) are responsible for safeguarding horse welfare by ensuring the equipment being used is correctly fitted. The aim of this study was to investigate how saddle fit is assessed, managed, and acted upon by equestrian professionals. Participants ( = 483) completed an online questionnaire, which was split into three major sections: (1) participant demographics; (2) saddle fit for the horse; and (3) saddle fit for the rider. Descriptive statistics, Kruskal-Wallis, and univariable and multivariable analyses were performed ( < 0.05). Inductive con...
Social facilitation of trotting: Can horses perceive and adapt to the movement of another horse?
PloS one    August 26, 2024   Volume 19, Issue 8 e0309474 doi: 10.1371/journal.pone.0309474
Bogossian PM, Pereira JS, da Silva NF, Hilgert AR, Seidel SRT, Fülber J, Belli CB, Fernandes WR.Exercise intensity is prone to be self-regulated in horses exercising freely. The main drivers include social, feeding and escape behaviors, as well as the operant conditioning. We hypothesized that self-regulated exercise intensity may increase due to the presence of another horse exercising ahead. Seven horses were assigned to a 2x2 crossover trial following treadmill familiarization. Video images of a trotting horse were displayed on the wall in front of the experimental unit (Visual), which was positioned in the treadmill. Physiological and behavioral markers were further compared with a c...
Molecular identification and genetic variability of equine and bovine ocular setariasis in india: molecular profiling by mitochondrial genes.
Molecular biology reports    August 24, 2024   Volume 51, Issue 1 932 doi: 10.1007/s11033-024-09846-2
Anandu S, Tanuj GN, Vijayasarathi MK, Manjusha KM, Samanta S, Bandyopadhyay S, Sankar M.Ocular setariasis is an ectopic infection caused by a parasite under the genus Setaria. Adult worms belong to the Setariidae family and typically reside in the peritoneal cavity of ungulates. However, immature forms of these species may aberrantly migrate to the eyes of cattle, buffalo, goats, horses and several other hosts, leading to corneal opacity and blindness. Here, we have distinguished the Setaria digitata collected from both equine and buffalo hosts based on the morphology, molecular profiling of mitochondrial cytochrome c oxidase subunit 1 (Cox1), cytochrome c oxidase subunit 3 (Cox3...
Feeding a Saccharomyces cerevisiae Fermentation Product to Mares in Late Gestation Alters the Biological Activity of Colostrum.
Animals : an open access journal from MDPI    August 24, 2024   Volume 14, Issue 17 2459 doi: 10.3390/ani14172459
Terpeluk ER, Schäfer J, Finkler-Schade C, Rauch E, Rohn K, Schuberth HJ.The quality of equine colostrum is typically defined by refractometry or the concentration of maternal antibodies. However, the activity of other equine colostral bioactive molecules has not yet been investigated. This study analyzed whether the administration of a fermentation product (SCFP) influences the biological activity of mare colostrum and whether the biological activity of colostrum has a lasting immunomodulating effect for foals. A total of fourteen pregnant mares received 20 g/day of a SCFP for a period of twelve weeks prior to the calculated date of birth (SCFP-group). Twelve pre...
Ancient equine genomes reveal dawn of horse domestication.
Nature    August 23, 2024   doi: 10.1038/d41586-024-02734-6
No abstract available
The Weight of Genetic Drift: A Pedigree-Based Evaluation of the Breton Horse Population in Brazil.
Veterinary medicine international    August 23, 2024   Volume 2024 4714077 doi: 10.1155/2024/4714077
Medeiros BB, Barcelos KMC, Andrade MO, Cristina da Paz Carvalho M, Miranda VR, de Oliveira Maia K, Reinhardt S, Patterson Rosa L.The genetic diversity of Breton horses in Brazil is a critical concern, mainly due to the small population size and low number of births per year. Given that the inbreeding was overlooked by breeders for multiple generations, we estimated the genetic diversity of this population utilizing pedigree-based measures of population diversity. A total of 1394 six-generation pedigrees representing the full population of registered Breton horses in Brazil defined a total population (TP,  = 2679), with horses born between 2000 and 2022, reproductively active and alive, as reported by the breed assoc...
Quality Assessment of Reconstructed Cow, Camel and Mare Milk Powders by Near-Infrared Spectroscopy and Chemometrics.
Molecules (Basel, Switzerland)    August 23, 2024   Volume 29, Issue 17 3989 doi: 10.3390/molecules29173989
Majadi M, Barkó A, Varga-Tóth A, Maukenovna ZS, Batirkhanovna DZ, Dilora S, Lukacs M, Kaszab T, Mednyánszky Z, Kovacs Z.Milk powders are becoming a major attraction for many industrial applications due to their nutritional and functional properties. Different types of powdered milk, each with their own distinct chemical compositions, can have different functionalities. Consequently, the development of rapid monitoring methods is becoming an urgent task to explore and expand their applicability. Lately, there is growing emphasis on the potential of near-infrared spectroscopy (NIRS) as a rapid technique for the quality assessment of dairy products. In the present work, we explored the potential of NIRS coupled wi...
Multivariate analysis of morphometric traits of the horse ecotypes reared in highlands of Bale Zone, Ethiopia.
Veterinary and animal science    August 22, 2024   Volume 25 100391 doi: 10.1016/j.vas.2024.100391
Guyo M, Tareke M, Tonamo A, Bediye D, Defar G.This study was conducted to evaluate morphometric traits of horse ecotypes reared in four districts of the Bale highlands, southeastern Ethiopia. Twenty-seven morphometric traits were measured from 500 horses (294 males and 206 females) of both sexes. Data were analyzed using SAS 2012. This study revealed that certain traits, such as head length, loin length, bi-ischial width, and sternum height of horses were similar. However, significant differences ( < 0.0001, < 0.01, < 0.05) were observed in other traits across the districts. All traits were affected by age ( < 0.05) except rump width an...
Explainable machine learning for assessing upper respiratory tract of racehorses from endoscopy videos.
Computers in biology and medicine    August 21, 2024   Volume 181 109030 doi: 10.1016/j.compbiomed.2024.109030
Tahir AM, Guo L, Ward RK, Yu X, Rideout A, Hore M, Wang ZJ.Laryngeal hemiplegia (LH) is a major upper respiratory tract (URT) complication in racehorses. Endoscopy imaging of horse throat is a gold standard for URT assessment. However, current manual assessment faces several challenges, stemming from the poor quality of endoscopy videos and subjectivity of manual grading. To overcome such limitations, we propose an explainable machine learning (ML)-based solution for efficient URT assessment. Specifically, a cascaded YOLOv8 architecture is utilized to segment the key semantic regions and landmarks per frame. Several spatiotemporal features are then ex...
Development and Evaluation of a Surgical Simulator and Assessment Rubric for Standing Castration of the Horse.
Journal of veterinary medical education    August 21, 2024   e20230131 doi: 10.3138/jvme-2023-0131
Braid HR.In veterinary education, simulators are models or devices that can imitate a real patient or scenario and allow students to practice skills without the need for live patients. Castration is a common surgical procedure in all species, and the standing, open technique is frequently performed in horses. Although a simulator has been developed for equine closed castration, a simulator for standing castration in the horse has not yet been described. This two-part study focused on the design, creation, and evaluation of a simulator for teaching standing castration in the horse. A low-technology simu...
Endocannabinoid system and phytocannabinoids in the main species of veterinary interest: a comparative review.
Veterinary research communications    August 20, 2024   doi: 10.1007/s11259-024-10509-7
Di Salvo A, Chiaradia E, Sforna M, Della Rocca G.Since the discovery of the endocannabinoid system and due to the empirical evidence of the therapeutic effects on several illnesses both in humans and animals that follow the administration of exogenous cannabinoids (i.e., phytocannabinoids), numerous studies have been conducted. These investigations aimed to identify the expression and distribution of cannabinoid receptors in healthy and pathologic organs and tissues of different animal species and to define the interactions of phytocannabinoids with these receptors. In the last decade, pharmacokinetics, efficacy and tolerability of many Cann...
An overview of various stages and morphology of Histoplasma capsulatum var. farciminosum in the horse.
Veterinary research communications    August 20, 2024   Volume 48, Issue 5 3483-3487 doi: 10.1007/s11259-024-10483-0
Al Mheiri FG, Joseph M, Joseph S, Alqassim M, Kinne J, Wernery U.This article describes the development of the pathogenic dimorphic fungus Histoplasma capsulatum var. farciminosum (HCF), which is the causative agent of Equine epizootic lymphangitis (EEL), from the mycelial form in the soil to the yeast form in the horse. In this study, the stages and morphology of HCF were identified through histopathological analysis and culture with various samples collected in Ethiopia from 15 horses showing clinical signs of EEL. In equids, especially cart horses in Ethiopia, poor-quality harnesses cause cutaneous wounds, which often attract flies facilitating the trans...
Trends in the management of horses referred for colic evaluation preceding and during the COVID-19 pandemic (2013-2023).
Equine veterinary education    August 19, 2024   Volume 37, Issue 6 308-315 doi: 10.1111/eve.14038
Elane GL, Blikslager AT, Mair TS.The COVID-19 pandemic represented a significant source of anxiety and stress for equine veterinarians and clients, with the potential for measurable effects on caseload and owner economics. Unassigned: To compare the number of horses presenting for emergency colic evaluation and treatment, as well as costs at two equine referral hospitals. Unassigned: Retrospective cohort. Unassigned: Medical records of horses admitted to North Carolina State University (NCSU) and Bell Equine Veterinary Clinic (BEVC) were compared. Total equine accessions, number of horses referred for colic, and patient age w...
Kinematic Responses to Water Treadmill Exercise When Used Regularly within a Sport Horse Training Programme: A Longitudinal, Observational Study.
Animals : an open access journal from MDPI    August 18, 2024   Volume 14, Issue 16 doi: 10.3390/ani14162393
Nankervis K, Tranquille C, Tacey J, Deckers I, MacKechnie-Guire R, Walker V, Hopkins E, Newton R, Murray R.Repeated exposure to water treadmill (WT) exercise could elicit kinematic responses reflecting adaptation to WT exercise. The study's aim was to compare the responses of a group of sport horses to a standardised WT exercise test (WTSET) carried out at three time points, week 0 (n = 48), week 20 (n = 38), and week 40 (n = 29), throughout a normal training programme incorporating WT exercise. Horses were recruited from the existing client populations of two commercial water treadmill venues for the purpose of this longitudinal, observational study. Limb, back, poll, wither, and pelvic kinematics...
Chemotherapeutics in Equine Practice.
The Veterinary clinics of North America. Equine practice    August 17, 2024   Volume 40, Issue 3 387-395 doi: 10.1016/j.cveq.2024.07.004
Malalana F.Chemotherapy is the treatment of cancerous cells through the use of cytotoxic drugs. Whilst the use of systemic (intravenous) chemotherapy in equine practice is generally limited to the management of lymphoma, cytotoxic drugs are commonly used in the treatment of accessible skin tumors, either by topical application in the form of ointments or injected intralesionally. These drugs should be employed with caution due to the risk of serious adverse effects. In addition, extreme caution should be followed when preparing, handling, administering, and disposing them, due to their carcinogenic, muta...
Use of a new aiming compression device and technique for the repair of navicular bone fractures in horses: A cadaveric study.
Veterinary surgery : VS    August 16, 2024   Volume 54, Issue 1 98-106 doi: 10.1111/vsu.14152
Pudert T, Fries GF, Lotz H, Röcken M, Cruz AM.To assess the use of a newly developed aiming compression device (ACD) for screw insertion in non-fractured navicular bones (NB) in cadavers. Methods: Cadaveric study. Methods: A total of 10 cadaveric front limbs of adult horses. Methods: Placement of a 3.5 mm cortical screw in non-fractured NB under radiographic guidance was performed in 10 cadaver limbs in a standing position. An ACD was used to stabilize the NB and to guide the drilling process. Preparation and surgical time as well as the number of radiographic images were noted. A postoperative scoring system was used to assess screw pl...
Effect of balanced vs. standard protein on muscle mass development in exercising horses.
Translational animal science    August 16, 2024   Volume 8 txae118 doi: 10.1093/tas/txae118
Graham-Thiers PM, Bowen LK.Twelve horses weighing 570 ± 35 kg were split into two groups (standard protein, STD, and balanced protein, BAL) to evaluate the effect of balanced vs. unbalanced protein on muscle mass. Groups were fed grass hay and a 12% CP feed (one formulated for balanced protein). Horses were out of work for 14 wk prior and participated in 1 to 2 h of light-to-moderate exercise 5 d/wk for 12 wk. A 4-d total urine and feces collection period was conducted at the start and end of the study. Urine and feces samples were analyzed for nitrogen (N) to calculate N balance. Muscle mass status was evalua...
New insights in the diagnosis and treatment of equine piroplasmosis: pitfalls, idiosyncrasies, and myths.
Frontiers in veterinary science    August 14, 2024   Volume 11 1459989 doi: 10.3389/fvets.2024.1459989
Mendoza FJ, Pérez-Écija A, Kappmeyer LS, Suarez CE, Bastos RG.Equine piroplasmosis (EP) is a global tick-borne disease of equids caused by the intraerythrocytic apicomplexan parasites and , and the more recently discovered . These parasites can be transmitted by several tick species, including , , and , but iatrogenic and vertical transmission are also common. Clinical signs of EP include poor performance, fever, icterus, abortions, among others, and peracute or acute forms of infection are associated with high mortality in non-endemic areas. EP is a reportable disease and represents an important barrier for the international trade of horses and other e...
Current practices in equine minimally invasive soft tissue surgery.
Veterinary surgery : VS    August 13, 2024   doi: 10.1111/vsu.14146
Hackett ES, McOnie RC, Buote NJ, Fubini SL.Equine minimally invasive surgical techniques are frequently utilized in the treatment of a variety of conditions. Standing sedated endoscopic surgery is commonly selected in horses, requiring specialized facilities, anesthetic protocols, and surgeon and assistant expertise. This review examines current methods and potential strategies in equine soft tissue surgery, in which there is an emphasis on laparoscopic urogenital and gastrointestinal diagnostic and therapeutic procedures. Thoracoscopy is less frequently reported in horses and may be underutilized. Optimizing procedures and outcomes in...
Enhancing the Horse Grimace Scale (HGS): Proposed updates and anatomical descriptors for pain assessment.
Veterinary journal (London, England : 1997)    August 12, 2024   Volume 307 106223 doi: 10.1016/j.tvjl.2024.106223
Werner LC, de Oliveira GM, Daros RR, Costa ED, Michelotto PV.The use of grimace scales enables the clinical identification of changes in the facial expressions of animals caused by pain. The Horse Grimace Scale (HGS) is one such tool, comprising a pain coding system based on facial expressions and assessing six Facial Action Units (FAUs). Each FAU is accompanied by descriptions and anatomical details to assist the evaluator. However, the morphological descriptions for certain FAUs in the HGS are not sufficiently detailed, potentially hindering accurate interpretation. This study is an analytical investigation aimed at enhancing the morphoanatomical deta...
Bee-Inspired Healing: Apitherapy in Veterinary Medicine for Maintenance and Improvement Animal Health and Well-Being.
Pharmaceuticals (Basel, Switzerland)    August 9, 2024   Volume 17, Issue 8 doi: 10.3390/ph17081050
Stevanović J, Glavinić U, Ristanić M, Erjavec V, Denk B, Dolašević S, Stanimirović Z.This review aims to present current knowledge on the effects of honey bee products on animals based on in vivo studies, focusing on their application in clinical veterinary practice. Honey's best-proven effectiveness is in treating wounds, including those infected with antibiotic-resistant microorganisms, as evidenced in horses, cats, dogs, mice, and rats. Propolis manifested a healing effect in numerous inflammatory and painful conditions in mice, rats, dogs, and pigs and also helped in oncological cases in mice and rats. Bee venom is best known for its effectiveness in treating neuropathy an...
Does the proximal screw type affect stress and strain in pastern arthrodesis with locking plate in horses?
Research in veterinary science    August 8, 2024   Volume 178 105378 doi: 10.1016/j.rvsc.2024.105378
de Souza AF, Pereira CAM, Fürst A, Kümmerle JM, De Zoppa ALDV.The implantation of unicortical cortex screws in the proximal hole of locking compression plates (LCP) has been recommended for proximal interphalangeal (PIP) arthrodesis in horses to prevent fractures resulting from stress risers in the proximal phalanx (P1). However, this cortex screw fixation technique may limit efficient dorsal compression of the PIP joint by the plate, potentially affecting the stability of the construct. In this study, we aimed to measure stress and strain in P1 and the plate using an ex vivo model of PIP arthrodesis in horses. We employed various implantation methods an...
The Silent Threat: Unraveling the Impact of Rabies in Herbivores in Brazil.
Animals : an open access journal from MDPI    August 8, 2024   Volume 14, Issue 16 doi: 10.3390/ani14162305
Ventura MCDS, Neves JMM, Pinheiro RDS, Santos MVC, de Lemos ERS, Horta MAP.Rabies, a zoonotic viral disease, poses a significant threat due to its adaptability to diverse environments. Herbivore rabies, predominantly affecting cattle, horses, and goats in Brazil, remains a concern, results in substantial losses in the livestock industry, and poses risks to public health. Rabies virus transmission, primarily through hematophagous bats in Latin America, underscores the need for effective strategies, and vaccination plays a crucial role in controlling herbivorous rabies, with systematic vaccination beingly the primary method. Efforts to control rabies in herbivores incl...
Effects of general anesthesia on airway immune cell function in an equine in vivo model.
Veterinary anaesthesia and analgesia    August 8, 2024   Volume 51, Issue 6 621-628 doi: 10.1016/j.vaa.2024.08.001
Woodrow JS, Palmisano M, Kulp J, Hopster K.Complications from general anesthesia, including pneumonia and decreased wound healing, are influenced by changes in immune cell function secondary to sedatives and anesthetics. It was hypothesized that immune cell function would be depressed in the early postanesthetic period. The objective was to investigate airway immune cell function before and after a general anesthetic episode in an equine in vivo model using ex vivo cell stimulations with lipopolysaccharide (LPS) for assessment of immune function. Methods: Prospective experimental study. Methods: Six healthy, adult, institution-owned ...
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