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Dermoid cysts formation is a complication of wound pinch grafting in a horse: A case report.
Veterinary surgery : VS    May 27, 2024   Volume 53, Issue 6 1130-1137 doi: 10.1111/vsu.14114
Pressanto MC, Bombonato C, Foote AK, Coomer RPC.To describe dermoid cyst formation as an uncommon complication of the pinch grafting technique in horses. Methods: Case report. Methods: A 8 year old Arabian gelding. Methods: Clinical presentation, imaging, treatment, and histopathology records were reviewed. The horse originally presented due to delayed healing of a laceration to the distal aspect of the metatarsus. The wound was treated initially with debridement and it was allowed to fill with healthy granulation tissue prior to pinch grafting. Two months after grafting, the horse started to show self-mutilation behavior targeting the woun...
Approach to Immune-mediated Ocular Diseases.
The Veterinary clinics of North America. Equine practice    May 27, 2024   Volume 40, Issue 2 275-286 doi: 10.1016/j.cveq.2024.04.003
Knickelbein KE, Lassaline ME.Immune-mediated ocular inflammation is a common clinical diagnosis reached for horses with keratitis and uveitis. This diagnosis is made as a diagnosis of exclusion following a thorough effort to rule out an underlying cause for the inflammation, most importantly infectious and neoplastic disease. Practically, response to ophthalmic and systemic anti-inflammatory or immunomodulatory medications is used to support a diagnosis of immune-mediated ocular inflammation; however, such medications are often contraindicated in the face of infection or neoplasia. This article will summarize our current ...
First identification and isolation of equine herpesvirus type 1 in aborted fetal lung tissues of donkeys.
Virology journal    May 27, 2024   Volume 21, Issue 1 117 doi: 10.1186/s12985-024-02390-2
Tong P, Pan J, Dang Y, Yang E, Jia C, Duan R, Tian S, Palidan N, Kuang L, Wang C, Lu G, Xie J.Equine herpesvirus type 1 (EHV-1) is commonly associated with horse abortion. Currently, there are no reported cases of abortion resulting from EHV-1 infection in donkeys. This was the first survey-based study of Chinese donkeys. The presence of EHV-1 was identified by PCR. This survey was conducted in Chabuchar County, North Xinjiang, China, in 2020. A donkey EHV-1 strain (Chabuchar/2020) was successfully isolated in MDBK cells. Seventy-two of 100 donkey sera were able to neutralize the isolated EHV-1. Moreover, the ORF33 sequence of the donkey-origin EHV-1 Chabuchar/2020 strain showed high l...
ECEIM consensus statement on equine kidney disease.
Journal of veterinary internal medicine    May 27, 2024   doi: 10.1111/jvim.17101
van Galen G, Divers TJ, Savage V, Schott HC, Siwinska N.The aim of this consensus statement is to summarize and appraise scientific evidence and combine this with the clinical experience of a panel of experts to optimize recommendations on how to recognize and manage kidney disease in horses.
Operational Radiation Safety Considerations During Equine Superficial Radiation Treatment Using Portable X-Ray Devices.
Health physics    May 26, 2024   Volume 127, Issue 5 625-632 doi: 10.1097/HP.0000000000001841
Singh A, Johnson T, Wotman K, Leary D.Veterinary personnel exposure due to scattered x rays, when present during superficial radiation treatment (SRT), was evaluated. Veterinary personnel presence is needed during SRT to minimize the degree of required aesthesia to horses. Animal treatment was simulated, and exposure rates determined for 50, 70, and 100 kV x rays using eight different SRT applicators. Exposure rates at the surface of a solid water phantom (SWP) phantom ranged from 3.9 mR h-1 to 396 mR h-1 for 50 kV, from 41 mR h-1 to 2,880 mR h-1 for 70 kV, and from 235 mR h-1 to 7,500 mR h-1, for 100 kV, respectively. A horse pha...
Evaluation of stem-cell therapies in companion animal disease models: a concise review (2015-2023).
Stem cells (Dayton, Ohio)    May 25, 2024   Volume 42, Issue 8 677-705 doi: 10.1093/stmcls/sxae034
Williams ZJ, Pezzanite LM, Chow L, Rockow M, Dow SW.Companion animals in veterinary medicine develop multiple naturally occurring diseases analogous to human conditions. We previously reported a comprehensive review on the feasibility, safety, and biologic activity of using novel stem cell therapies to treat a variety of inflammatory conditions in dogs and cats (2008-2015) [Hoffman AM, Dow SW. Concise review: stem cell trials using companion animal disease models. Stem Cells. 2016;34(7):1709-1729. https://doi.org/10.1002/stem.2377]. The purpose of this review is to provide an updated summary of current studies in companion animal disease models...
Molecular genotyping of Babesia caballi.
Veterinary parasitology    May 25, 2024   Volume 329 110214 doi: 10.1016/j.vetpar.2024.110214
Venter A, Vorster I, Nkosi NF, Sibeko-Matjila KP, Bhoora RV.Babesia caballi is an intra-erythrocytic parasite causing equine piroplasmosis. Three B. caballi genotypes (A, B, and C) have been identified based on the 18 S rRNA and rhoptry-associated protein (rap-1) gene sequences. These variant parasite genotypes compromise the diagnostic utility of the WOAH-recommended serological assays in declaring horses free of equine piroplasmosis. Although a gene encoding a spherical body protein 4 (sbp4) has recently been identified as a potential antigen for the serological detection of B. caballi, the ability of this antigen to detect the different geographic...
Heat acclimation improves exercise performance in hot conditions and increases heat shock protein 70 and 90 of skeletal muscles in Thoroughbred horses.
Physiological reports    May 25, 2024   Volume 12, Issue 10 e16083 doi: 10.14814/phy2.16083
Ebisuda Y, Mukai K, Takahashi Y, Yoshida T, Matsuhashi T, Kawano A, Miyata H, Kuwahara M, Ohmura H.This study aimed to determine whether heat acclimation could induce adaptations in exercise performance, thermoregulation, and the expression of proteins associated with heat stress in the skeletal muscles of Thoroughbreds. Thirteen trained Thoroughbreds performed 3 weeks of training protocols, consisting of cantering at 90% maximal oxygen consumption (VO2max) for 2 min 2 days/week and cantering at 7 m/s for 3 min 1 day/week, followed by a 20-min walk in either a control group (CON; Wet Bulb Globe Temperature [WBGT] 12-13°C; n = 6) or a heat acclimation group (HA; WBGT 29-30°...
First report of ivermectin resistance in cyathostomins (small strongyles) of horses in Argentina.
Veterinary parasitology, regional studies and reports    May 25, 2024   Volume 52 101046 doi: 10.1016/j.vprsr.2024.101046
Cooper LG, Benard BP, Nielsen MK, Caffe G, Arroyo F, Anziani OS.In Argentina, as in the rest of the world, cyathostomins are the most common nematodes parasitizing horses. Control is based almost exclusively on the administration of benzimidazoles, pyrimidines, and macrocyclic lactones. However, intensive use of these drugs is resulting in the development of anthelmintic resistance (AR). For example, AR to benzimidazoles is currently distributed throughout Argentina, while incipient AR to pyrimidines (pyrantel embonate) is appearing in areas where this drug is used. Macrocyclic lactones and especially ivermectin, are by far the most used drugs by the vast ...
Non-Targeted Detection of Synthetic Oligonucleotides in Equine Serum Using Liquid Chromatography-High-Resolution Mass Spectrometry.
International journal of molecular sciences    May 25, 2024   Volume 25, Issue 11 5752 doi: 10.3390/ijms25115752
Helmes E, Montgomery J, Alarcio G, Mendoza HG, Blea JA, Beal PA, Moeller BC.There is great concern in equine sport over the potential use of pharmaceutical agents capable of editing the genome or modifying the expression of gene products. Synthetic oligonucleotides are short, single-stranded polynucleotides that represent a class of agents capable of modifying gene expression products with a high potential for abuse in horseracing. As these substances are not covered by most routine anti-doping analytical approaches, they represent an entire class of compounds that are not readily detectable. The nucleotide sequence for each oligonucleotide is highly specific, which m...
What is your diagnosis? Cerebrospinal fluid from a horse.
Veterinary clinical pathology    May 24, 2024   Volume 53 Suppl 2 152-154 doi: 10.1111/vcp.13216
Larosche SA, Weyna AAW, Stanton JB, Hart K, Meichner K.No abstract available
Molecular cytogenetic screening of sex chromosome abnormalities in young horse populations.
Equine veterinary journal    May 24, 2024   doi: 10.1111/evj.14097
Bugno-Poniewierska M, Jankowska M, Raudsepp T, Kowalska K, Pawlina-Tyszko K, Szmatola T.Chromosomal abnormalities occur in the equine population at a rate of approximately 2%. The use of molecular cytogenetic techniques allows a more accurate identification of chromosomal abnormalities, especially those with a low rate of abnormal metaphases, demonstrating that the actual incidence in equine populations is higher. Objective: Estimation of the number of carriers of karyotypic abnormalities in a sample from a population of young horses of various breeds, using molecular cytogenetic techniques. Methods: Cross-sectional. Methods: Venous blood samples were collected from 500 young hor...
Monitoring of inflammatory blood biomarkers in foals with Rhodococcus Equi pneumonia during antimicrobial treatment.
Journal of equine veterinary science    May 24, 2024   Volume 138 105103 doi: 10.1016/j.jevs.2024.105103
Deniz Ö, Ekinci G, Onmaz AC, Derelli FM, Fazio F, Aragona F, Hoven RVD.Rhodococcus equi (R. equi), a gram-positive facultative intracellular pathogen, is a common cause of pneumonia in foals and represents a major cause of disease and death. The aim of the present study was to investigate the time-depended changes in White Blood Cells (WBC), basophils (Baso), neutrophils (Neu), lymphocytes (Lymf), monocytes (Mon), eosinophils (Eos), platelet (PLT) counts, fibrinogen (Fbg) concentration, interferon (IFN-α, IFN-γ) and interleukins (IL-2 and IL-10) in foals with clinical R. equi pneumonia. The main treatment was with azithromycin-rifampicin for 14 days. Blood was ...
The effect of solarium light therapy on selected biological and biochemical parameters of peripheral blood in young and old horses.
PloS one    May 24, 2024   Volume 19, Issue 5 e0304290 doi: 10.1371/journal.pone.0304290
Orzołek A, Rafalska KT, Domosławska-Wyderska A, Rafalska AM, Dziekońska A, Jastrzębska E, Dobbek D.The aim of the study was to assess the impact of solarium light therapy on selected biological and biochemical parameters of peripheral blood in recreational horses. The study involved 10 horses divided into two groups of young (aged 5 to 7 years) and old (aged 14 to 19 years) individuals. All animals participated in light therapy sessions every other day. Blood was sampled three times during the study: before the treatment, after five light sessions, and after ten light sessions. Morphological parameters, the activity of antioxidant enzymes, TAS values, and the levels of glutathione (GSH), vi...
Short preconditioning with TGFβ of equine adipose tissue-derived mesenchymal stem cells predisposes towards an anti-fibrotic secretory phenotype: A possible tool for treatment of endometrosis in mares.
Theriogenology    May 24, 2024   Volume 225 119-129 doi: 10.1016/j.theriogenology.2024.05.018
Wong YS, Mançanares AC, Navarrete F, Poblete P, Mendez-Pérez L, Rodriguez-Alvarez L, Castro FO.Endometrosis in mares is a disease resulting from chronic inflammation characterized by peri glandular fibrosis. There is no effective treatment so far, which opens the door for exploring the use of stem cells as a candidate. Transforming growth factor beta (TGFβ) is crucial for the establishment and progression of fibrosis in mare's endometrosis. We aimed to develop regenerative approaches to treat endometrosis by using mesenchymal stem cells (MSC), for which understanding the effect of TGFβ on exogenous MSC is crucial. We isolated and characterized equine adipose MSC from six donors. Cells...
Balance performance among horseback-rider compared to non-horseback-rider women in Saudi Arabia: A cross-sectional study.
Medicine    May 24, 2024   Volume 103, Issue 21 e38291 doi: 10.1097/MD.0000000000038291
Albishi AM.Horseback riding requires adapting to constant changes in balance conditions, maintaining equilibrium on the horse, and preventing falls. However, differences in balance performance among horseback riders and non-rider-healthy young women in Saudi Arabia have not been explored. This study investigates whether horseback-rider women would perform better on static and dynamic balance tests than non-rider women. Also, the study examined the effect of years of horseback riding on balance performance in the rider group. Twenty healthy young females participated in the study using a convenience sampl...
First Molecular Detection and Epidemiological Analysis of Equine Influenza Virus in Two Regions of Colombia, 2020-2023.
Viruses    May 24, 2024   Volume 16, Issue 6 839 doi: 10.3390/v16060839
Gonzalez-Obando J, Zuluaga-Cabrera A, Moreno I, Úsuga J, Ciuderis K, Forero JE, Diaz A, Rojas-Arbeláez C, Hernández-Ortiz JP, Ruiz-Saenz J.Equine influenza is a viral disease caused by the equine influenza virus (EIV), and according to the WOAH, it is mandatory to report these infections. In Latin America and Colombia, EIV risk factors have not been analyzed. The objective of this research is to perform an epidemiological and molecular analysis of the EIV in horses with respiratory symptoms from 2020 to 2023 in Colombia. Molecular EIV detection was performed using RT-qPCR and nanopore sequencing. A risk analysis was also performed via the GEE method. A total of 188 equines with EIV respiratory symptoms were recruited. The positiv...
Equine intervertebral disc disease with dorsal protrusion and spinal cord compression: A computed tomography, myelography, MRI, and histopathologic case study. Mól M, Garrett K, Ruby R, Janes J, Reed S.A 3-year-old American Saddlebred gelding presented for progressive tetraparesis, ataxia, and cervical hyperaesthesia. Radiographic myelography identified spinal cord compression at C6-7 in neutral, extended, and flexed positions and at C4-5 in the flexed position. CT myelography and postmortem MRI identified severe vertebral canal stenosis/compression at C6-7. MRI further identified severe intervertebral disc herniation at C6-7 with intramedullary changes. Disc protrusion was confirmed macroscopically at postmortem. Lesions consistent with compressive myelopathy were confirmed microscopically ...
Imaging diagnosis: Disseminated hemangiosarcoma in a Welsh pony. Farber B, Urion R, Hostnik ET.A 16-year-old pony gelding presented with epistaxis and a head tilt. Referral skull radiographs suggested an ethmoid hematoma. Concurrent neurologic abnormalities prompted contrast-enhanced CT of the head and cranial neck, revealing numerous hyperattenuating masses throughout the brain and paranasal sinuses, along with a large osteolytic mass in the second cervical vertebra. The vertebral mass extended into the vertebral canal, causing focal extradural compressive myelopathy. These findings were inconsistent with ethmoid hematoma and metastatic hemangiosarcoma or malignant melanoma were priori...
Equine laryngoplasty: Effects of three anchoring techniques in the muscular process and three positions for suture implantation in the cricoid cartilage.
Veterinary surgery : VS    May 24, 2024   Volume 53, Issue 7 1185-1195 doi: 10.1111/vsu.14108
Maire U, Ducharme NG, Rossignol A, Campos Schweitzer A, Rossignol F.To compare the effects of three anchoring techniques in the muscular process and three positions of laryngoplasty suture implantation in the cricoid cartilage on abduction of the arytenoid cartilage and interaction with the cricoarytenoid dorsalis (CAD) muscle compartments. Methods: Experimental study. Methods: Twenty-two cadaveric equine larynges. Methods: Three implantation techniques were assessed in the left muscular process. They were the use of a titanium corkscrew (CS), a standard caudal passage using a Jamshidi needle (JCa), and a standard cranial passage using a Jamshidi needle (JCr)....
Approach to Inflammatory Bowel Disease.
The Veterinary clinics of North America. Equine practice    May 23, 2024   Volume 40, Issue 2 287-306 doi: 10.1016/j.cveq.2024.04.004
Timko K.Inflammatory bowel disease (IBD) in the horse encompasses a group of infiltrative gastrointestinal disorders resulting in malabsorption, maldigestion, weight loss, colic, and sometimes diarrhea. The type of IBD can be classified as granulomatous, lymphocytic-plasmacytic, or eosinophilic enterocolitis. The diagnosis of IBD in equids is based on consistent clinical signs and clinicopathologic findings in conjunction with confirmatory histopathology from a gastrointestinal biopsy. Treatment usually consists of a combination of immunosuppressive medications, anthelmintics, and dietary modification...
Risk assessment in equine anesthesia: a first evaluation of the usability, utility and predictivity of the two-part CHARIOT.
Frontiers in veterinary science    May 23, 2024   Volume 11 1384525 doi: 10.3389/fvets.2024.1384525
Brumund L, Wittenberg-Voges L, Rohn K, Kästner SBR.An accurate risk score that can predict peri-anesthetic morbidity and mortality in equine patients could improve peri-operative management, outcome and client communication. Unassigned: Three hunded horses underwent pre-anesthetic risk assessment using the American Society of Anesthesiologists-Physical Status augmented with equine-specific diseases (ASA-PS-Equine), a multifactorial 10-part rubric risk scale (10-RS), and a combination of both, the Combined horse anesthetic risk identification and optimization tool (CHARIOT). Intra-and post-anesthetic complications, the recovery phase and mortal...
Comparison of DNA extraction methods for genotyping equine histidine-rich glycoprotein insertion/deletion polymorphisms using oral mucosa swabs and feces.
Veterinary and animal science    May 23, 2024   Volume 25 100361 doi: 10.1016/j.vas.2024.100361
Muko R, Ojima Y, Matsuda H, Toishi Y, Oikawa MA, Shin T, Sato H, Tanaka A.Previously, we demonstrated unique insertion/deletion polymorphisms of equine histidine-rich glycoprotein with five genotypes composed of 45-bp or 90-bp deletions in the histidine-rich region of in Thoroughbred horses. Although leukocytes are typically used to collect DNA for genotyping, blood sampling from animals is sometimes difficult and invasive. Moreover, the method for extracting DNA from blood leukocytes involves complicated steps and must be performed soon after blood sampling for sensitive gene analysis. In the present study, we performed genotyping using DNA, isolated from oral m...
The Horse with Recurrent Fevers and Infections: Approach to Common Variable Immunodeficiency.
The Veterinary clinics of North America. Equine practice    May 23, 2024   S0749-0739(24)00031-2 doi: 10.1016/j.cveq.2024.04.005
Mullen KR, Felippe MJB.Equine common variable immunodeficiency (CVID) is a rare, late-onset, nonfamilial humoral deficiency characterized by B-cell depletion and/or dysfunction resulting in inadequate antibody production and predisposition to recurrent infections. Serum immunoglobulin concentration and peripheral blood lymphocyte immunophenotyping are required to diagnose and characterize CVID in horses. Early recognition of the disease by the equine practitioner is paramount to managing the quality of life for these patients, for whom specific treatment is not yet available and long-term prognosis remains poor. An ...
The Application of Infrared Thermography in the Assessment of BEMER Physical Vascular Therapy on Body Surface Temperature in Racing Thoroughbreds: A Preliminary Study.
Animals : an open access journal from MDPI    May 23, 2024   Volume 14, Issue 11 1538 doi: 10.3390/ani14111538
Nawrot K, Soroko-Dubrovina M, Zielińska P, Dudek K, Howell K.The study aimed to evaluate the impact of BEMER (Physical Vascular Therapy) on body surface temperature using infrared thermography (IRT) in the distal parts of the forelimbs in Thoroughbreds. The study tested the hypothesis that BEMER therapy leads to an increase in body surface temperature and blood vessel diameter in the distal parts of the forelimbs. The study involved 16 horses, split into 2 groups: active BEMER ( = 8) and sham ( = 8). The active BEMER group had BEMER boots applied to the distal parts of the forelimbs, whereas the sham group had BEMER boots applied without activation of t...
Immune-mediated Equine Vasculopathies.
The Veterinary clinics of North America. Equine practice    May 23, 2024   Volume 40, Issue 2 253-261 doi: 10.1016/j.cveq.2024.04.002
Bozorgmanesh R.Immune-mediated vasculopathies occur secondary to infection or another noninfectious stimulus. Potential triggers include heterologous antigens including viruses, injected proteins and drugs; or auto-antigens including immunoglobulins or other endogenous proteins. Although these conditions are rare in horses, immune-mediated vasculopathies can cause considerable morbidity, with variable clinical signs depending on severity and organ system affected. Examples include purpura hemorrhagica, systemic lupus erythematosus, drug-induced vasculitis, paraneoplastic vasculitis, and idiopathic immune-med...
Physiological stress responses in horses participating in novice endurance rides.
Heliyon    May 23, 2024   Volume 10, Issue 11 e31874 doi: 10.1016/j.heliyon.2024.e31874
Huangsaksri O, Sanigavatee K, Poochipakorn C, Wonghanchao T, Yalong M, Thongcham K, Srirattanamongkol C, Pornkittiwattanakul S, Sittiananwong T....Horses participating in endurance events encounter enormous physical challenges. Heart rate (HR) and heart rate variability (HRV) have been reported before and after endurance rides, but these have not been determined during the rides. Moreover, the modulation in HRV and haematology in horses with different ride results (completed a course or disqualified due to irregular gait) have not been elucidated. Therefore, this study aimed to investigate changes in HR, HRV, and haematological parameters during novice endurance rides and to compare these parameters between horses that successfully compl...
Effects of different winter paddock management of Thoroughbred weanlings and yearlings in the cold region of Japan on physiological function, endocrine function and growth.
The Journal of veterinary medical science    May 23, 2024   doi: 10.1292/jvms.24-0083
Ishimaru M, Tsuchiya T, Endo Y, Matsui A, Ohmura H, Murase H, Korosue K, Sato F, Taya K.Effects of different winter paddock management of Thoroughbred weanlings and yearlings in Hokkaido, Japan, which is extremely cold in winter, on physiological function, endocrine function and growth were investigated. They were divided into two groups; those kept outdoors for 22 hr in the paddock (22hr group) and those kept outdoors for 7 hr in daytime with walking exercise for 1 hr using the horse-walker (7hr +W group), and the changes in daily distance travelled, body temperature (BT), heart rate (HR), HR variability (HRV), endocrine function and growth parameters were compared between the t...
Bilateral bronchoalveolar lavage cytology profiles in a warmblood horse population during a 1-year period.
Journal of veterinary internal medicine    May 23, 2024   doi: 10.1111/jvim.17118
Rasmussen N, Karlsen P, Otten ND, Fjeldborg J, Hansen S.Bronchoalveolar lavage (BAL) cytology results from 1 lung might not be representative of both lungs. Objective: To determine whether the lung site sampled would influence the horse's BAL cytology profile, and if a pooled BAL sample would be superior with regard to BAL cytology diagnosis in a cohort of healthy and subclinical asthmatic warmblood horses. Methods: Fifty-nine horses in 2021 and 70 horses in 2022, the follow-up included 53 of the same in each year. Methods: A cross-sectional study with follow-up included BAL cytology samples from individual lungs and from pooled BAL samples. The BA...
Is There a Difference in the Prevalence of Gastric Ulcers between Stallions Used for Breeding and Those Not Used for Breeding?
Animals : an open access journal from MDPI    May 22, 2024   Volume 14, Issue 11 doi: 10.3390/ani14111531
Busechian S, Bindi F, Pieramati C, Orvieto S, Pisello L, Cozzi S, Ortolani F, Rueca F.Equine gastric ulcer syndrome (EGUS) is a worldwide disease, and includes two different syndromes, Equine Squamous Gastric Disease (ESGD), affecting the squamous mucosa, and Equine Glandular Gastric Disease (EGGD), affecting the glandular mucosa. These two diseases are present in different categories (different activities, ages, etc.) and breeds of horses. The effect of sex on gastric health is not clear: some studies found a higher prevalence of ESGD in geldings and stallions, while others found no influence of sex on the squamous mucosa. The few studies conducted on glandular diseases failed...