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Topic:Disease Prevention
Disease prevention in horses encompasses strategies and practices aimed at minimizing the occurrence and spread of infectious and non-infectious diseases within equine populations. These practices include vaccination programs, biosecurity measures, and regular health monitoring. Vaccination helps to stimulate the horse's immune system to protect against specific pathogens, while biosecurity measures, such as quarantine and sanitation, reduce the risk of disease transmission. Regular health monitoring, including physical examinations and diagnostic testing, aids in early detection and management of potential health issues. This page compiles peer-reviewed research studies and scholarly articles that explore various methods and their effectiveness in preventing diseases in horses, as well as the development and implementation of prevention programs in different equine settings.
Vietnam’s Horse Sector: A Comprehensive Review of History, Production Systems, Health Challenges, and Research Priorities. Horses in Vietnam have a long historical presence and continue to hold economic, socio-cultural, and medicinal importance across diverse regions. Despite these roles, comprehensive scientific information on equine development, including health and disease patterns, reproductive performance, genetic resources, and biomedical applications, remains limited and fragmented. In this review, we summarize existing knowledge on equine populations, production systems, and their development in Vietnam, as well as their roles in cultural practices, livelihoods, and traditional medicine. We then identify m...
[New drugs for horses and production animals in 2025]. In 2025, no novel pharmaceutical agents for horses and farm animals were introduced to the German veterinary drug market; however, the use of 2 existing active ingredients was expanded to include additional animal species. A dexamethasone preparation is now approved for use in goats, and a new product containing sodium salicylate for chickens was introduced. Oxalic acid dihydrate is now available as an impregnated strip for contact treatment. In the field of immunological veterinary medicines, a vaccine against epizootic hemorrhagic disease virus in cattle was approved for the first time. In a...
Risk factors for post-partum colic in a population of UK and Irish Thoroughbred broodmares. Broodmares are at increased risk of gastrointestinal colic. However, colic risk factors specific to this population have not been investigated. Objective: To investigate horse- and management-level risk factors for post-partum colic in a cohort of Thoroughbred broodmares in the United Kingdom and Ireland. Methods: Prospective, nested case-control study. Methods: Twenty-nine Thoroughbred stud farms in the United Kingdom and Ireland were recruited, and 1044 mares were followed over the 2021 and/or 2022 foaling seasons. Data were collected on signalment, medical and management history for post-pa...
First serological evidence of circulation of equine rhinitis A virus and molecular detection of equine rhinitis B virus in horses in North Africa. Equine rhinitis A virus (ERAV) and equine rhinitis B virus (ERBV) are major respiratory pathogens of horses with a global distribution. The aim of this study was to evaluate, for the first time in Algeria, the seroprevalence of ERAV antibodies, and to investigate a wide range of equine viruses (EIV, EHV-1, EHV-4, ERAV and ERBV). A total of 298 serum samples were collected between May 2022 and October 2023, from 11 provinces. Serological analysis for the presence of ERAV was performed using the complement fixation test (CFT). Our results revealed that 16.8% (50/298) samples tested positive for ...
Integrative Advances in Equine Genomics From Reference Assemblies to Evolutionary History and Key Traits. Horses are major domestic animals and cultural symbols that have accompanied humans for millennia. They underpin transport, agriculture, warfare and sport, and also provide a model for studying domestication, complex traits and adaptive evolution. Recent work in equine genomics has now generated a much richer picture of how these roles are grounded in the genome. This review brings together advances in several connected areas: the construction and refinement of reference assemblies; genomic reconstructions of origin, domestication and dispersal; global and regional patterns of genetic diversit...
Current consensus and controversies in equine parasite control. Julia Shrubb, chair of CANTER - Controlling ANTiparasitic resistance in Equines Responsibly - takes a look at where there is currently agreement on equine parasite control practices and where debate is ongoing.
Clinical Signs of Liver Disease in Horses. Clinical signs associated with liver disease in horses are often a reflection of underlying hepatic dysfunction but typically vague rather than pathognomonic. Many observed clinical signs are subtle or not recognizable in the early stages of liver disease and thus may appear acute in onset despite an underlying chronic condition. Clinical signs reported in horses with liver disease include hyporexia or anorexia, weight loss, changes in demeanor, hepatic encephalopathy, colic signs, icterus, photosensitization, diarrhea, clinical coagulopathies, ascites, peripheral edema, steatorrhea, pruritus,...
A retrospective study of morbidity and mortality in captive Przewalski’s horses (Equus przewalskii) between 1973 and 2021. Przewalski's horses (Equus przewalskii) were declared extinct in the wild in 1996, but reintroduction programmes initiated in 1997 have enabled the re-establishment of free-ranging populations. The maintenance of healthy captive populations remains essential to support these conservation efforts, yet systematic pathological investigations in captive Przewalski's horses are lacking. This study provides the first necropsy-based overview of morbidity and mortality in a captive European population. Pathology reports from 64 horses examined between 1973 and 2021 were reviewed retrospectively. Acros...
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....
Molecular prevalence of equine herpesvirus type 1 and equine herpesvirus type 4 in thoroughbred and Arabian horse facilities in Türkiye. Equine herpesvirus-1 and -4 are contagious viruses causing respiratory disease and reproductive losses in horses. This study aimed to determine the prevalence of EHV-1 and EHV-4 in eight Turkish stud farms using RT-PCR analysis of nasal secretions, uterine fluids and aborted foal tissues. Deep nasal swabs were collected from 443 horses showing acute-onset fever and/or clinical signs of respiratory disease. Additionally, uterine swabs and tissue samples (lung, liver, spleen, thymus, kidney, heart) were obtained from 152 abortion cases. Among symptomatic horses, EHV-1 DNA was found in 2 cases (0...
Cross-protective effect of a multicomponent fusion protein vaccine during a natural episode of Streptococcus zooepidemicus respiratory disease in ponies. Streptococcus equi subspecies zooepidemicus is a highly diverse opportunistic pathogen of horses, associated with respiratory disease and endometritis. Objective: To characterise S. zooepidemicus isolates recovered from young ponies during a natural episode of respiratory disease, and to determine if vaccination with Strangvac®, a vaccine against Streptococcus equi subspecies equi, conferred cross-protection. Methods: Retrospective analysis of a double-blinded placebo-controlled study involving 32 ponies (16 vaccinates and 16 placebo controls) that experienced a natural episode of respiratory...
Pathology of sudden death in racehorses: a review. Sudden death (SD) is the second most important syndrome associated with death in racehorses. The cause of SD in a large number of horses remains undetermined, and, in many of these cases, causes are not found by gross or microscopic postmortem examinations. Among the known causes of SD are traumatic injuries, including fractures of skull, neck, and pelvis; intoxications (e.g., anticoagulant rodenticides); and others. For many cases of SD in which no significant lesions are found, heart failure, probably associated with arrhythmias, is suspected. Precise phenotypic characterization of SD in hor...
Estimating the economic value of working donkeys in Ethiopia. There is limited empirical evidence on the quantitative economic contribution of donkeys to livelihoods, leading to their undervaluation and exclusion from policy. Here an enterprise budget analysis is embedded within a stochastic dynamic population model for three production systems in Ethiopia to evaluate system inputs, outputs and the economic contribution of donkeys. The model was parameterised using data from household surveys, focus group discussions and key informant interviews, supplemented by literature. The economic value of donkeys' (unpaid) homestead and agricultural services was e...
Evaluation of two point-of-care molecular diagnostic platforms for rapid detection of equine Hendra virus. Hendra virus (HeV) is a lethal zoonotic pathogen endemic to eastern Australia, posing significant risks to equine and human health. Rapid field detection of HeV enables timely intervention and outbreak management. This study evaluated candidate point-of-care (POC) molecular diagnostic platforms for HeV detection in equine samples: including a loop-mediated isothermal amplification (DARQ RT-LAMP) assay and real-time reverse transcription quantitative polymerase chain reaction (RT-qPCR). Comparative analytical evaluation demonstrated that RT-qPCR exhibited superior analytical sensitivity relativ...
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...
Surveillance of equine glanders in India (2019-2023): Prevalence estimate, risk analysis and future strategy. Equine glanders, a notifiable zoonotic disease caused by Burkholderia mallei, continues to pose a significant health and regulatory challenge in India. This study summarizes the outcomes of a nationwide sero surveillance programme conducted between January 2019 and December 2023 to assess the distribution and temporal trends of glanders in equid populations. A total of 158,798 serum samples collected from 391 districts across 19 states and three union territories were screened using Hcp1-based indirect ELISA, followed by confirmatory testing through the complement fixation test. During the fiv...
Horse Welfare 12: A Human Behavior Change Framework for Improving Horse Welfare. To improve horse welfare do we need more science or a different scientific approach? For over 40 years researchers have called for change to improve horse welfare. During this time, publications have grown exponentially, improving our understanding of horse's needs and the need for change. However, the translation of science into practice is arguably too slow, and yet, there is scant industry-specific research to guide change efforts. To assist behaviour change research, this paper recasts an influential, highly regarded systems thinking framework, the Meadows 12, for the horse industry as the...
Investigation of Metformin Contamination in Horses: Implications for Environmental Exposure and Doping Control. Metformin is a diabetes medication with minimal therapeutic efficacy in veterinary medicine. However, recently there have been several adverse analytical findings in regulatory samples collected from racehorses. Metformin is commonly prescribed to humans, is excreted unchanged in urine, and is resistant to environmental degradation, raising concerns with respect to environmental contamination. In this study, six horses were exposed to shavings contaminated with metformin-positive urine at concentrations of 10, 135, and 270 μg/mL. Blood (plasma, serum, whole blood, and red blood cells) and u...
Growth kinetics of Taylorella equigenitalis and its survival in straw-based bedding. Taylorella equigenitalis, the causative agent of contagious equine metritis, is a fastidious bacterium with limited tolerance to extra-host conditions; however, quantitative data on its growth dynamics and survival outside the host remain scarce. This study evaluated the growth of T. equigenitalis under aerobic and microaerophilic conditions in liquid medium and its survival in wet and dry straw-based bedding under controlled laboratory conditions.Growth was assessed at 20 °C and 37 °C using real-time optical density monitoring and viable cell counts. No proliferation was observed at 20 Â...
Proteomic signatures of equine dental tooth tissues in ageing and disease. Ageing and dental disease in horses lead to structural and functional deterioration of dental tissues, yet their molecular signatures remain poorly characterised. Understanding how these processes alter the protein composition of enamel, dentin, cementum and pulp is essential for improving equine oral health and identifying biomarkers of degeneration. Objective: To characterise the proteomic profiles of equine dental tissues and determine age- and disease-associated changes, with the aim of identifying proteins consistently altered across conditions. Methods: Ex vivo proteomic study. Methods: ...
CXCL16-associated genetic susceptibility to equine viral arteritis in export-bound horses from Spain. Equine viral arteritis (EVA) remains a relevant health and economic concern due to the ability of some infected stallions to establish long-term persistent infection with equine arteritis virus (EAV). Allelic variation in the CXCL16 gene has been identified as a determinant of susceptibility or resistance to the carrier state, positioning genotyping as a useful tool for risk-based reproductive and health management. Objective: To characterise the distribution of CXCL16 genotypes in export-bound horses from Spain and to assess the utility of CXCL16 genotyping for EVA prevention and control. Met...
Immunization of Foals with Equine Rotavirus A Vaccine Can Stabilize or Increase Rotavirus-Specific Neutralizing Antibody Titers. Despite a monovalent G3P[12] ('G3') vaccine being available for horses, equine rotavirus A (ERVA) is still the predominant infectious pathogen causing diarrhea in foals in the United States of America (U.S.). Previous research has shown that maternal neutralizing antibody (NAb) titers are too high and will interfere with the vaccination of foals at 30 and 45 days of age. We aimed to determine if it is possible to increase NAb titers in foals through vaccination before they are vulnerable to ERVA infection. We immunized two foals with the commercially available vaccine (G3) at solely three mont...
Clinical audit on antimicrobial stewardship effectiveness in reducing antimicrobial-resistant bacterial colonisation in hospitalised horses. International guidelines support the One Health approach and recommend antimicrobial stewardship programmes (ASPs) in veterinary medicine. National data on antimicrobial-resistant bacterial colonisation rates (AMRb CR) in horses remain limited. Objective: To evaluate the effectiveness of an ASP in reducing AMRb CR in a Veterinary Teaching Hospital using a clinical audit. Methods: Clinical audit. Methods: In Autumn 2021 active AMR surveillance in Perinatology/Reproduction and Internal Medicine Units planned; January-July 2022-first audit cycle (A1); Autumn 2022-review and implementation of anti...
Mitochondrial dysfunction in equine ageing: Current evidence and clinical implications for geroscience. Ageing is a complex biological process affecting a growing geriatric human and equine population worldwide. Mitochondrial dysfunction is considered one of the hallmarks of ageing, representing a multifaceted process. This review synthesises current findings on mitochondrial dysfunction in aged equines, drawing parallels with human medicine and identifying current knowledge gaps. Integrating findings from human and equine research may bridge existing challenges and offer new opportunities, including the development of novel translational models for ageing research. Furthermore, it highlights th...
The impact of barefoot racing in young Swedish trotters on career length. In several European countries, racing without shoes, i.e., barefoot, is a common strategy in trotting races to improve the speed of the horse. Why some trotters can race barefoot without damage to the hoof from excessive wear and others cannot, has been shown to partly be explained by differences in hoof composition. In particular, durable hind hooves are believed to be important to sustain racing without shoes. Also, variation in the proportion of the races the horse races with barefoot hind hooves, has been shown to be affected by genetic differences in Swedish Standardbred trotters (SB) and...
Genetic diversity of Toxoplasma gondii isolates from members of the families camelidae and equidae worldwide: a systematic review. Toxoplasma gondii is an apicomplexan parasite with a global distribution and significant public health and veterinary treatment implications. The present systematic review collates worldwide information on the genotypic diversity of T. gondii isolates infecting Camelidae (camels, alpacas, llamas, etc.) and Equidae (horses, donkeys, zebras, mules, etc.) and highlights their potential role as sentinels of environmental contamination and zoonotic spread. An exhaustive literature search of six electronic databases (PubMed, Web of Science, Scopus, ProQuest, Science Direct, and Google Scholar) from ...
Accuracy of large language model-based artificial intelligence tools for equine topics. Artificial intelligence (AI) platforms are becoming increasingly popular as resources for equine information. However, these platforms generate responses from a wide range of sources and do not always distinguish between fact and opinion. Objective: The objective of this study was to assess the accuracy and quality of AI-generated answers to equine-related questions. Researchers hypothesized that AI platforms could answer basic equine questions effectively but would perform poorly on complex topics or questions. Methods: Forty questions were written covering general horse care, facilities mana...
In vitro cultivation of Trypanosoma equiperdum: Comparison of in vitro and in vivo antigens for an ethical and sustainable serological diagnosis of Dourine. The protozoan Trypanosoma equiperdum is the causative agent of Dourine, a contagious sexually transmitted disease of equines that can manifest itself in chronic or acute form. Dourine has serious veterinary and economic implications, as there are no vaccines available for prevention and the management of the disease requires the culling of infected animals, together with rigorous sanitary control measures. This study compares the traditional production of T. equiperdum antigen grown in vivo, with an in vitro cultivation methodology developed to eliminate the use of animals. The in vitro and in...
Horse racing towards antibiotic resistance. Accompanying animals as a source of antibiotic-resistant bacteria. Antibiotic resistance is a significant issue in modern infectious medicine and veterinary science, with animals, including horses, playing a crucial role in its dissemination. Antibiotics, used both for treatment and prevention of diseases in animals, influence the composition of the microbiota and promote the selection of resistant strains that can be transmitted to humans through direct or environmental contact. Horses, currently classified as companion animals, serve as a reservoir of commensal and pathogenic bacteria, including multidrug-resistant strains capable of horizontal gene transfe...
