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Search 67,754 equine research studies and published journal articles.
From cytogenetics to cytogenomics: a new era in the diagnosis of chromosomal abnormalities in domestic animals.
Journal of applied genetics    January 27, 2025   Volume 66, Issue 3 661-673 doi: 10.1007/s13353-025-00943-x
Switonski M, Szczerbal I, Nowacka-Woszuk J.Identification of chromosomal abnormalities is an important issue in animal breeding and veterinary medicine. Routine cytogenetic diagnosis of domestic animals began in the 1960s with the aim of identifying carriers of centric fusion between chromosome 1 and 29 in cattle. In the 1970s, chromosome banding techniques were introduced, and in the 1980s, the first cytogenomic techniques, based on the development of locus- and chromosome-specific probes, were used. Since the beginning of the twenty-first century, molecular techniques (such as polymorphism of microsatellite markers, droplet digital P...
Safety and efficacy of oral edible bird’s nest supplementation: Anti-inflammatory and immunomodulatory benefits for Arabian race stallions during exercise.
Veterinary world    January 27, 2025   Volume 18, Issue 1 178-188 doi: 10.14202/vetworld.2025.178-188
Al-Khaldi KO, Al-Ruzaiqi KH, Babji AS, Lim SJ, Sadiq MB, Yimer N.Exercise-induced oxidative stress and inflammation adversely affect the health and performance of athletic horses. This study aimed to evaluate the safety of edible bird's nest (EBN) supplementation and its potential anti-inflammatory and immunomodulatory effects in Arabian race stallions during exercise. Key objectives included assessing EBN's impact on hepatic and renal function, hematological profiles, and sialic acid (SA) levels. Unassigned: Two experiments were conducted on 18 Arabian stallions. In Experiment 1, six healthy stallions were divided into control (n = 2) and EBN-supplemented ...
Systemic Changes in Early Pregnancy in the Mare: An Integrated Proteomic Analysis of Blood Plasma, Histotroph, and Yolk Sac Fluid at Day 14 Post-Ovulation.
Proteomics. Clinical applications    January 27, 2025   e202400095 doi: 10.1002/prca.202400095
Perera TRW, de Ruijter-Villani M, Gibb Z, Nixon B, Sheridan A, Stout TAE, Swegen A, Skerrett-Byrne DA.Embryo-maternal signaling during the establishment of pregnancy in horses remains one of the biggest mysteries in large animal physiology. Early pregnancy loss represents a major source of economic loss to the breeding industry. This study aimed to investigate the systemic changes associated with early pregnancy by mapping the proteome of blood plasma at 14 days in pregnant and non-pregnant mares. Methods: Plasma proteomes were analysed in commercially bred pregnant (n = 17) and non-pregnant (n = 17) Thoroughbred mares at 14 days after ovulation, using high-resolution mass spectrometry. D...
Complications associated with equine transvaginal ultrasound-guided follicle aspiration: Practitioner survey and field results.
Journal of equine veterinary science    January 27, 2025   Volume 146 105363 doi: 10.1016/j.jevs.2025.105363
Hinrichs K, Schnobrich M, Fernandes CB, Fleury P, Barillari V, Bruggeworth S.Transvaginal ultrasound-guided follicle aspiration (TVA) is being performed commonly in clinical equine practice. There is limited information in the literature about the type and incidence of complications related to TVA. We conducted a survey (Study 1), completed by 23 practicing veterinarians, soliciting information about the types and incidence of minor and major complications and of fatalities they had experienced associated with performance of TVA. In Study 2, data from a large clinical practice in which six veterinarians performed over 14,000 TVAs over a period of 7 years was reviewed t...
Motorcycle and Equestrian Trauma: An ACS TQIP Comparative Study.
Journal of trauma nursing : the official journal of the Society of Trauma Nurses    January 27, 2025   Volume 32, Issue 1 15-22 doi: 10.1097/JTN.0000000000000828
Ross DE, Ghodasara SK, Roskam JS, Gaccione AG, DiFazio LT, Bilaniuk JW, Nemeth ZH.Motorcycle and equestrian accidents can share similar trauma mechanisms and can result in serious injuries. Objective: This study aims to analyze variations in injuries and safety standards through types, severity, and outcomes of traumatic injuries in both motorcycle and equestrian riders. Methods: Using the 2020 ACS TQIP database, we split patients into two groups based on their primary injury. We chose codes V28 and V80.0 to identify non-collision fall or throw injuries for motorcycle and equestrian accidents respectively. A total of 17,730 motorcycle and 5,461 equestrian patients were iden...
The Role of Nutrition in Managing Muscle Disorders.
The Veterinary clinics of North America. Equine practice    January 27, 2025   Volume 41, Issue 1 151-163 doi: 10.1016/j.cveq.2024.11.007
Pagan JD, Valberg SJ.Many myopathies in horses can be managed by exercise regimes and dietary modifications. This includes modifying the amount of nonstructural carbohydrate, fat, amino acids, vitamin E, and selenium based on the horse's specific myopathy, metabolic status, exercise program, and optimal body weight. Because dietary recommendations differ substantially between myopathies, it is imperative to establish a specific diagnosis. A nutritionist will help practitioners select from the myriad of offered products to ensure a balanced diet. This article provides detailed recommendations for a variety of myopa...
Use of full-thickness mesh grafts and full-thickness meek micrografts in five horses with ear skin defects caused by trauma or neoplasm resection.
Veterinary surgery : VS    January 27, 2025   doi: 10.1111/vsu.14220
Resetic N, Comino F, Wilmink J, Gorvy DA.To report the management and outcomes of five horses with ear skin defects treated with the use of full-thickness mesh grafts and full-thickness Meek micrografts. Methods: Five horses with acute or granulating pinna skin wounds. Methods: Short case series. Methods: A full-thickness graft was harvested from the pectoral region under general anesthesia. The sheet graft was stretched on a sterile plastic board with the epidermal side facing down. The subcutaneous fat and fascia were removed by sharp dissection. The skin graft was then meshed by hand or using a block mesher, or manually cut into m...
Unravelling Faecal Microbiota Variations in Equine Atypical Myopathy: Correlation with Blood Markers and Contribution of Microbiome.
Animals : an open access journal from MDPI    January 26, 2025   Volume 15, Issue 3 doi: 10.3390/ani15030354
François AC, Cesarini C, Taminiau B, Renaud B, Kruse CJ, Boemer F, van Loon G, Palmers K, Daube G, Wouters CP, Lecoq L, Gustin P, Votion DM.Hypoglycin A and methylenecyclopropylglycine are protoxins responsible for atypical myopathy in equids. These protoxins are converted into toxins that inhibit fatty acid β-oxidation, leading to blood accumulation of acylcarnitines and toxin conjugates, such as methylenecyclopropylacetyl-carnitine. The enzymes involved in this activation are also present in some prokaryotic cells, raising questions about the potential role of intestinal microbiota in the development of intoxication. Differences have been noted between the faecal microbiota of cograzers and atypical myopathy-affected horses. Ho...
Assessment of tree-associated atypical myopathy risk factors in Acer pseudoplatanus (sycamore) seeds and leaves.
Equine veterinary journal    January 25, 2025   doi: 10.1111/evj.14475
González-Medina S, Hyde C, Chang YM, Piercy RJ.Sycamore tree-derived hypoglycin A (HGA) toxin causes atypical myopathy (AM), an acute, equine pasture-associated rhabdomyolysis but incidence fluctuates. Objective: Investigate whether tree or environmental factors influence HGA concentration in sycamore material and are associated with AM relative risk. Methods: Retrospective and experimental prospective study. Methods: UK sycamore population, seed production and AM incidence data were obtained. HGA concentration was measured in seeds from trees from 10 different central UK locations. The effect of tar spot infection, seed maturity, tree tru...
The myometrial transcriptome changes in mares with endometrosis.
Scientific reports    January 25, 2025   Volume 15, Issue 1 3173 doi: 10.1038/s41598-025-86742-0
Drzewiecka EM, Molcan T, Sadowska A, Piotrowska-Tomala K, Słyszewska M, Dias GF, Skarżyński DJ, Szóstek-Mioduchowska A.Mares with endometrosis exhibit histological changes not only in the endometrium but also in the myometrium that suggest possible functional impairment. The molecular background of these changes is not well understood. We hypothesize that the transcriptomic profile of the mare myometrium varies depending on the degree of endometrosis in mares. Myometria were collected from mares in the mid-luteal phase of the estrous cycle with endometrium categories I, IIA, IIB, and III (∑n = 23), according to Kenney and Doig´s histopathological classification. Myometrial RNA was isolated and subjected...
Imaging flow cytometry reveals the mechanism of equine arteritis virus entry and internalization.
Scientific reports    January 25, 2025   Volume 15, Issue 1 3246 doi: 10.1038/s41598-025-87080-x
Kublicka A, Lorek D, Mikołajczyk-Martinez A, Chodaczek G, Chwirot A, Bażanów B, Matczuk AK.The process of viral entry into host cells is crucial for the establishment of infection and the determination of viral pathogenicity. A comprehensive understanding of entry pathways is fundamental for the development of novel therapeutic strategies. Standard techniques for investigating viral entry include confocal microscopy and flow cytometry, both of which provide complementary qualitative and quantitative data. Imaging flow cytometry, which integrates the advantages of both methodologies, offers significant potential in virological studies. In this investigation, we employed imaging flow ...
Respiratory extracellular vesicle isolation optimization through proteomic profiling of equine samples and identification of candidates for cell-of-origin studies.
PloS one    January 24, 2025   Volume 20, Issue 1 e0315743 doi: 10.1371/journal.pone.0315743
Hickman E, Carberry V, Carberry C, Cooper B, Mordant AL, Mills A, Sokolsky M, Herring LE, Alexis NE, Rebuli ME, Jaspers I, Sheats K, Rager JE.Growing evidence supports the importance of extracellular vesicle (EV) as mediators of communication in pathological processes, including those underlying respiratory disease. However, establishing methods for isolating and characterizing EVs remains challenging, particularly for respiratory samples. This study set out to address this challenge by comparing different EV isolation methods and evaluating their impacts on EV yield, markers of purity, and proteomic signatures, utilizing equine/horse bronchoalveolar lavage samples. Horses can serve as effective translational animal models for respi...
Antioxidant capacity and athletic condition of endurance horses undergoing nutraceutical supplementation.
Journal of equine veterinary science    January 24, 2025   105364 doi: 10.1016/j.jevs.2025.105364
Stucchi L, Rossi R, Mainardi E, Ferrucci F.Endurance is an equestrian discipline that primarily relies on aerobic metabolism. Intense aerobic exercise produces reactive oxygen species due to an imbalance between oxidant and antioxidant substances, known as oxidative stress, which may reduce athletic performance. This study evaluated the effects of a feed supplement containing natural antioxidants and omega-3 fatty acids on the blood antioxidant activity and the athletic condition of endurance horses undergoing an exercise test. Twelve Arabian endurance horses were randomly assigned to treatment or control groups. At T0, blood lactate, ...
Companions in antimicrobial resistance: examining transmission of common antimicrobial-resistant organisms between people and their dogs, cats, and horses.
Clinical microbiology reviews    January 24, 2025   Volume 38, Issue 1 e0014622 doi: 10.1128/cmr.00146-22
Caddey B, Fisher S, Barkema HW, Nobrega DB.SUMMARYNumerous questions persist regarding the role of companion animals as potential reservoirs of antimicrobial-resistant organisms that can infect humans. While relative antimicrobial usage in companion animals is lower than that in humans, certain antimicrobial-resistant pathogens have comparable colonization rates in companion animals and their human counterparts, which inevitably raises questions regarding potential antimicrobial resistance (AMR) transmission. Furthermore, the close contact between pets and their owners, as well as pets, veterinary professionals, and the veterinary clin...
Insect-specific Alphamesonivirus-1 (Mesoniviridae) in lymph node and lung tissues from two horses with acute respiratory syndrome.
Journal of virology    January 24, 2025   e0214424 doi: 10.1128/jvi.02144-24
Jurisic L, Auerswald H, Marcacci M, Di Giallonardo F, Coetzee LM, Curini V, Averaimo D, Ortiz-Baez AS, Cammà C, Di Teodoro G, Richt JA, Holmes EC....Members of the RNA virus order infect hosts ranging from marine invertebrates to terrestrial mammals. As such, understanding the determinants of host range in this group of viruses, as well as their patterns of emergence and disease potential, is of clear importance. The are a recently documented family within the . To date, mesoniviruses have only been associated with the infection of arthropod species, particularly mosquitoes, and hence are regarded as insect-specific viruses (ISVs). Herein, we report the first detection of a mesonivirus-Alphamesonivirus-1 -in mammals. Specifically, we uti...
Inherited non-syndromic polydactyly in a Berber and Arabian-Berber horse family.
Equine veterinary journal    January 24, 2025   doi: 10.1111/evj.14472
Baville E, Carstanjen B, Thomas-Cancian A, Calgaro A, Bonnet N, Tiret L, Gache V, Abitbol M.Supernumerary digits, or polydactyly, have been described in various species including humans, wild and domestic animals. In horses, it represents the most common congenital limb malformation, which has only been described in isolated cases or nuclear families. Molecular aetiology has not been reported. Objective: To characterise the phenotype of a non-syndromic pre-axial polydactyly in a horse family and to decipher the inheritance pattern. Methods: Retrospective study. Methods: Forty-three members of the family including a previously reported polydactyl case were recruited. Available clinica...
Characterization and comparison of fecal microbiota in horses with pituitary pars intermedia dysfunction and age-matched controls.
Journal of veterinary internal medicine    January 24, 2025   Volume 39, Issue 1 e17288 doi: 10.1111/jvim.17288
Wang W, Gibson J, Horsman S, Mikkelsen D, Bertin FR.Altered gut microbiota has been associated with dopaminergic degenerative diseases in people, but studies on horses with pituitary pars intermedia dysfunction (PPID) are lacking. Objective: Investigate the effect of PPID on fecal microbiota in horses. Methods: Nine horses with PPID and 13 age-matched control horses. Methods: Prospective control study. Fecal samples were collected bimonthly. Microbial analysis used 16S rRNA sequencing to determine the relative abundance at genus and phylum levels, assess alpha and beta diversity and identify core microbiota. Results: Horses with PPID had decrea...
Oxidative stress in critically ill neonatal foals.
Journal of veterinary internal medicine    January 24, 2025   Volume 39, Issue 1 e17297 doi: 10.1111/jvim.17297
Wong D, Sahoo DK, Faivre C, Kopper J, Dersh K, Beachler T, Esser M.Oxidative injury occurs in septic people, but the role of oxidative stress and antioxidants has rarely been evaluated in foals. Objective: To measure reactive oxygen species (ROS), biomarkers of oxidative injury, and antioxidants in neonatal foals. We hypothesized that ill foals would have higher blood concentrations of ROS and biomarkers of oxidative injury and lower concentrations of antioxidants compared to healthy foals. Methods: Seventy-two hospitalized and 21 healthy neonatal foals. Methods: Prospective cohort study. Reactive oxygen species (hydrogen peroxide [HO]), biomarkers of oxidati...
Exploring a pico-well based scRNA-seq method (HIVE) for simplified processing of equine bronchoalveolar lavage cells.
PloS one    January 24, 2025   Volume 20, Issue 1 e0317343 doi: 10.1371/journal.pone.0317343
Fegraeus K, Riihimäki M, Nordlund J, Akula S, Wernersson S, Raine A.Single-cell RNA sequencing (scRNA-seq) is a valuable tool for investigating cellular heterogeneity in diseases such as equine asthma (EA). This study evaluates the HIVE™ scRNA-seq method, a pico-well-based technology, for processing bronchoalveolar lavage (BAL) cells from horses with EA. The HIVE method offers practical advantages, including compatibility with both field and clinical settings, as well as a gentle workflow suited for handling sensitive cells. Our results show that the major cell types in equine BAL were successfully identified; however, the proportions of T cells and macropha...
Nebulization of 2% lidocaine has no detectable impact on the healthy equine respiratory microbiota.
PloS one    January 24, 2025   Volume 20, Issue 1 e0316079 doi: 10.1371/journal.pone.0316079
Holley L, Creasey HN, Bedenice D, Reed S, Romualdo da Silva DR, Trautwein V, Mazan M, Widmer G.Glucocorticosteroids remain the most common pharmaceutical approach for the treatment of equine asthma but can be associated with significant side effects, including respiratory microbiome alterations. The goal of the study was to assess the impact of 2% lidocaine nebulization, a projected alternative treatment of equine asthma, on the healthy equine respiratory microbiota. A prospective, randomized, controlled, blinded, 2-way crossover study was performed, to assess the effect of 1 mg/kg 2% lidocaine (7 treatments over 4 days) on the equine respiratory microbiota compared to control horses (s...
Skin Barrier in Normal and Allergic Horses: What Do We Know?
Veterinary sciences    January 24, 2025   Volume 12, Issue 2 doi: 10.3390/vetsci12020091
Marsella R.Information on skin barrier in horses is limited. A study on the epidermal ultrastructure of normal and allergic horses documented disorganized amorphous intercellular lipids in the stratum corneum of allergic samples. These findings are similar to atopic canine and human skin. Currently, there is no published study comparing skin barrier function parameters between normal and allergic horses; thus, the functional implications of the ultrastructural changes are unknown. In normal horses, body location, gender, breed, and ambient conditions affect skin barrier parameters, such as Transepidermal...
Prevalence of Theileria Equi and Babesia Caballi and Associated Hemato-Biochemical Changes in Racing Horses in Erbil Province, Iraq.
Acta parasitologica    January 24, 2025   Volume 70, Issue 1 38 doi: 10.1007/s11686-024-00987-9
Aziz KJ, Barwary LTOA, Issa NA, Abdulwahid MJ.This study aimed to determine the prevalence of Theileria equi (T. equi) and Babesia caballi (B. caballi) in racing horses in Erbil Province, Iraq, and to assess the associated hemato-biochemical changes in infected animals. Methods: A total of 196 horses, including 155 clinically healthy and 41 clinically suspected infected animals, were examined using Giemsa-stained blood films and PCR to determine the prevalence rates. Additionally, the hemato-biochemical parameters of infected horses were compared to a non-infected control group (n = 10). Results: The prevalence of T. equi and B. cabal...
Demographic patterns in horseback riding head and neck injuries within the United States: A NEISS database study.
Injury    January 24, 2025   Volume 56, Issue 3 112167 doi: 10.1016/j.injury.2025.112167
Sharma S, Reardon LM, Guda R, Carr MM, Man LX, Alicea D.Our primary objective was to identify and describe demographic trends in head and neck injuries incurred while participating in horseback riding. Methods: Cross-sectional analysis. Methods: National Database. Methods: Head and neck injuries related to horseback riding over a ten-year period (2014-2023) were analyzed using data from the National Electronic Injury Surveillance System (NEISS). A total of 3,177 cases were identified. Inclusion criteria encompassed injuries to the head, neck, face, mouth, or ear. Variables included age, gender, injury type, anatomical location, and patient disposit...
Equine temporomandibular joint diseases: A systematic review.
Equine veterinary journal    January 24, 2025   doi: 10.1111/evj.14462
Jasiński T, Turek B, Kaczorowski M, Brehm W, Skierbiszewska K, Domino M.The temporomandibular joint (TMJ) is a unique joint that enables mandibular movement. Temporomandibular diseases (TMDs) impair joint function, leading to more or less specific clinical signs. Objective: To compile and disseminate clinical data and research findings from existing publications on equine TMD. Methods: Systematic review. Methods: Following PRISMA 2020 guidelines, literature searches were conducted in PUBMED, Scopus, and Web of Knowledge. The inclusion criteria covered case reports and research articles on equine TMDs. The selected records were grouped considering septic TMJ arthri...
Lessons learnt from horse-related human fatalities: Accident analysis using HFACS-Equestrianism.
Heliyon    January 24, 2025   Volume 11, Issue 3 e42276 doi: 10.1016/j.heliyon.2025.e42276
Chapman M, Fenner K, Thomas MJW.Equestrianism has an opportunity to learn lessons relating to safer human-horse interactions from those who no longer have a voice, by drawing data from the investigation of horse-related human fatalities and participating in accident analysis. Many human-horse related injuries and fatalities are not examined in equestrianism for the purpose of developing safer future risk mitigation practice, often due to the philosophy that horse sport is simply dangerous. This study analysed data from the Australian National Coronial Information System (NCIS) relating to fatalities involving human-horse int...
Blood-Based Whole-Genome Methylation Analysis of Yili Horses Pre- and Post-Racing.
Animals : an open access journal from MDPI    January 24, 2025   Volume 15, Issue 3 doi: 10.3390/ani15030326
Wang J, Ren W, Li Z, Ma S, Li L, Wang R, Zeng Y, Meng J, Yao X.This study aims to analyze the whole-genome DNA methylation differences in Yili horses before and after racing, with the goal of identifying differentially methylated genes associated with racing performance and exploring the epigenetic mechanisms underlying exercise in horses. Blood samples were collected from the jugular veins of the top 3 Yili horses in a 5000 m race, which included 25 competitors, both prior to and within 5 min after the race. Genomic DNA was extracted, followed by sequencing using Whole-Genome Bisulfite Sequencing (WGBS) to assess DNA methylation levels, differentially me...
Factors associated with time to return to horse racing following a clavicle fracture in jockeys competing in Great Britain: A review and analysis of medical records.
PloS one    January 23, 2025   Volume 20, Issue 1 e0317724 doi: 10.1371/journal.pone.0317724
Newton LJ, Dobbin N, Goodwin P, Crampton JS.Competitive horse racing is the second largest sport in Great Britain by spectator attendance, employability, and revenue. It is a lucrative yet hazardous sport, with high injury rates, particularly from falls. Clavicular fractures are one of the most common injuries reported, yet their management, especially regarding return to racing, is under-researched. The purpose of this study was to explore the factors associated with the time to return to competition following a clavicular fracture in jockeys competing in Great Britain. Methods: This review of medical records utilised data from the Bri...
Comparative Analysis of Genomic and Pedigree-Based Approaches for Genetic Evaluation of Morphological Traits in Pura Raza Española Horses.
Genes    January 23, 2025   Volume 16, Issue 2 131 doi: 10.3390/genes16020131
Ziadi C, Demyda-Peyrás S, Valera M, Perdomo-González D, Laseca N, Rodríguez-Sainz de Los Terreros A, Encina A, Azor P, Molina A.The single-step best linear unbiased predictor (ssGBLUP) has emerged as a reference method for genomic selection in recent years due to its advantages over traditional approaches. Although its application in horses remains limited, ssGBLUP has demonstrated the potential to improve the reliability of estimated breeding values in livestock species. This study aimed to assess the impact of incorporating genomic data using single-step restricted maximum likelihood (ssGREML) on reliability (R) in the Pura Raza Española (PRE) horse breed, compared to traditional pedigree-based REML. Methods: The an...
Screening analysis of doping agents in horse urine and plasma with dilute and shoot using liquid chromatography high resolution mass spectrometry.
The Analyst    January 23, 2025   doi: 10.1039/d4an01501k
Göktaş EF, Kabil E, Söylemez Yeşilçimen E, Dirikolu L.Various technical methodologies are required to accurately detect substances of different chemical and pharmacological properties in biological samples, which are increasing in number and variety daily. Therefore, laboratories where many samples and different factors are analyzed simultaneously need methods with easy sample preparation, short analysis times and low analysis costs. In this study, the objective was to scan substances susceptible to chemical degradation, amenable to analysis without hydrolysis, and exhibiting short-term stability by employing a straightforward, expeditious, and c...
A Closed Reduction of Cervical Spine Subluxation in an Arabian Foal with an External Neck Stabilizer.
Animals : an open access journal from MDPI    January 23, 2025   Volume 15, Issue 3 doi: 10.3390/ani15030325
Domańska-Kruppa N, Stefanik E, Wierzbicka M, Kleinpeter A.Cervical spine injuries that impact young horses and foals can result in mild to severe neurological signs or even result in sudden death. There are only a few reports on conservative treatment options for this condition in the scientific literature. If the condition is left untreated, it can lead to the development of degenerative joint disease, resulting in chronic neurological symptoms and discomfort. We present the case of a two-day-old Arabian foal that showed signs of ataxia following a neck injury, being the result of cervical spine subluxation. Radiological examination revealed a dislo...