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Topic:Public Health
The topic of Public Health and horses encompasses the study of interactions between equine populations and human health systems. It involves examining the transmission of zoonotic diseases, which are diseases that can be transferred between animals and humans, as well as the role of horses in the epidemiology of such diseases. This field also considers the impact of equine-related activities on public health, including injuries and environmental effects. Research in this area often explores preventive measures, management strategies, and policies to mitigate health risks associated with horses. This page compiles peer-reviewed research studies and scholarly articles that investigate the intersection of equine and public health, focusing on disease transmission, risk assessment, and health management strategies.
Increasing Seroprevalence In Horses Evidences Widespread Circulation Of West Nile Virus In Albania. West Nile virus (WNV) is a zoonotic mosquito-borne flavivirus that causes West Nile disease, an emerging and re-emerging infection of major global importance. Horses are an important sentinel species for monitoring WNV circulation. Since viraemia in horses is brief and viral loads in the blood are low, serological assays are the primary tools used to monitor WNV exposure. This study aimed to estimate the seroprevalence of WNV antibodies in horses in Albania. Between 2017 and 2020, 509 serum samples were collected from apparently healthy, unvaccinated horses across different regions of the coun...
Molecular Detection of Anaplasma spp. in Horses From Golestan Province, Northern Iran. Anaplasmosis is a bacterial zoonotic disease that affects both humans and many animals. In horses, anaplasmosis manifests as a seasonal, infectious, and febrile disease caused by bacteria of the genus Anaplasma. Since the transmission of this disease is primarily mediated by arthropods such as ticks, it holds significant public health importance. Objective: The present study aims to investigate the prevalence of anaplasmosis in horses in northern Iran (Golestan Province). Methods: A total of 350 blood samples were randomly collected from asymptomatic horses between December 2023 and April 2024...
Longitudinal and spatial declines in equine Hendra virus vaccination despite continued risk. Hendra virus is an emerging zoonosis endemic to Australia with high fatality of infection in horses and humans. The role of infected domestic horses as amplifying bridge hosts for onward transmission to humans led to the creation of an equine vaccine as a One Health solution against spillover. Despite the risk this disease represents, previously reported equine vaccination rates were low. This study explored vaccination trends between 2012 and 2023 at fine spatial scales and identified demographic and ecological predictors of vaccination against emerging zoonoses. Over 1 million doses of Equiv...
Global distribution of cattle, horses, goats, sheep and buffaloes at 1 km resolution for 2000-2022 based on subnational census data and spatiotemporal machine learning. The article describes the production and evaluation of annual livestock densities and headcounts of cattle, horses, sheep, goats and buffaloes (including 95% probability prediction intervals) at 1 km spatial resolution for the 2000-2022 period using spatiotemporal machine learning. A compilation of subnational livestock census data has been imported, harmonized and used as reference data (55,336 census polygons and 939,257 individual data entries; covering 147 countries) to build predictive models. A large stack of multi-source harmonized raster data sets (128 individual layers) were used as f...
Prevalence and Molecular Characterisation of Cryptosporidium spp. and Giardia duodenalis in Equines in Algeria. Limited data are available on the epidemiology of Cryptosporidium spp. and Giardia duodenalis in equines in Algeria. No prior molecular data existed on giardiasis in this host population. Objective: This cross-sectional study aimed to determine the prevalence and molecular diversity of Cryptosporidium spp. and G. duodenalis in equines across multiple regions of Algeria, and to characterise species, subtypes and assemblages present. Methods: Between December 2021 and December 2022, 197 faecal samples were collected from 104 horses, 89 donkeys, 2 ponies, 1 zebra and 1 mule from 46 private farms,...
Alphavirus madariaga-associated encephalomyelitis in equines from the Brazilian Pantanal reveals arbovirus circulation in a peri-urban environment. Alphavirus madariaga (MADV), a member of the eastern equine encephalitis virus complex, is an emerging arbovirus in South America, with limited information regarding its occurrence and molecular characterization in equine populations. This study reports the detection and genetic characterization of MADV in equines from the state of Mato Grosso, Brazil. Two horses presenting acute neurological disease with a clinical course of approximately two days were evaluated. Histopathological examination revealed nonsuppurative meningoencephalomyelitis. Molecular screening for neurotropic viruses using T...
Seroprevalence, Risk Factors, and Environmental Correlates of Babesia caballi, Toxoplasma gondii, and Coxiella burnetii in Equids from Southwestern Greece. Equids, primarily horses, are mostly used for recreational purposes, although in some rural areas they also serve as working animals, maintaining close and frequent contact with humans. Their risk of exposure to vector-borne and zoonotic pathogens can be affected by host-related factors, management practices and environmental conditions. This study aimed to investigate the seroprevalence and associated risk factors for infections by , , , and sensu lato in equids from Southwestern Greece. A total of 159 equids were tested using commercial serological assays. Weighted prevalence estimates were...
First evidence of exposure to West Nile Virus in horses within Denmark, 2025. A nationwide serological screening of 822 horses was conducted in Autumn 2025 to investigate potential exposure to West Nile Virus (WNV) within Denmark. Serum samples were tested for antibodies against WNV, tick-borne encephalitis virus (TBEV) and Usutu virus (USUV). Four horses without any history of travel outside of Denmark, or previous vaccination against WNV, tested positive for WNV neutralising antibodies. The results support local exposure to WNV indicating that virus infected mosquitoes have been present in Denmark and underline the usefulness of horses as sentinels for the risk of hum...
Leptospira in Working Horses From Rural Ecuador: A Neglected Occupational Risk. Neglected tropical zoonotic diseases such as leptospirosis continue to have a significant impact on animal and human health, especially in low-income countries due to limitations in surveillance and knowledge gaps to guide mitigation. In this context, equines have the potential to play an important role in the maintenance and transmission of spp. due to their susceptibility to a variety of serovars (often without signs of disease) and close contact with humans. To better understand the epidemiological role of horses, we evaluated exposure and identified circulating leptospires by collecting b...
Antibiotics in Veterinary Ophthalmology: Resistance, Stewardship, and Emerging Antibiotic-Sparing Strategies. Antimicrobial resistance (AMR) is a growing challenge in veterinary ophthalmology, particularly in cases of bacterial keratitis, where progressive stromal infection can threaten vision and globe integrity within hours to days. This review synthesizes current evidence on pathogen distribution, antimicrobial susceptibility profiles, multidrug resistance (MDR) prevalence, and determinants of nonsusceptibility in veterinary patients, highlighting the emerging role of antibiotic-sparing alternatives. Across contemporary studies, Staphylococcus pseudintermedius, β-hemolytic streptococci, and Pseud...
Prevalence and Genetic Characterization of Giardia duodenalis and Blastocystis sp. in Horses in Shanxi Province, North China. (synonyms and ) and sp. are prevalent zoonotic intestinal protozoans with significant public health and economic importance. Both parasites infect various hosts, including humans and most livestock. can cause infections ranging from asymptomatic carriage to clinical manifestations such as acute diarrheal disease, growth stunting and malabsorption, whereas sp. infection is often asymptomatic and its pathogenicity remains debated. Following the rapid expansion of modern equine industries (horse racing, equestrian sports, production, and tourism), concern about the spread of parasitic diseas...
Prevalence, molecular characterization and zoonotic potential of Cryptosporidium spp. in horses from diverse husbandry systems across four provinces of northern and eastern China. Cryptosporidium is an obligate intracellular zoonotic protozoan causing diarrheal disease in humans and animals globally. Horses have more frequent close contact with humans through equestrian sports, breeding, and cross-regional trade. However, comprehensive molecular epidemiological data on diverse equine husbandry systems in China are limited. We tested 412 fecal samples from horses across four Chinese provinces via small subunit ribosomal RNA (SSU rRNA) nested polymerase chain reaction (PCR). C. parvum and C. equi were subtyped using the 60 kDa glycoprotein (gp60) gene, and C. andersoni ...
Prevalence and spatial distribution of Brucella spp. seropositive equids from the state of Mato Grosso, Brazil. Brucellosis is a chronic infectious disease in equids, characterized by suppurative lesions in joints and bursae, with potential impacts on animal performance and public health. Objective: To investigate the prevalence and spatial distribution of Brucella spp. seropositive equids in the state of Mato Grosso, Brazil. Methods: A total of 3,858 serum samples from 3,230 horses, 602 mules, and 26 donkeys were analyzed using the Buffered Acidified Antigen Test (AAT) and Complement Fixation Test (CFT), following Brazilian Ministry of Agriculture guidelines. Samples were obtained from all municipaliti...
Epidemiological evidence of anti-Leptospira antibodies in horses at a global level (years 2015 to 2025): a systematic review and meta-analysis. Leptospirosis is a bacterial zoonotic disease with clinical consequences and potential sequelae in horses. Objective: To estimate the pooled global seroprevalence of anti-Leptospira antibodies in horses, detected with the Microscopic Agglutination Test, the frequency by serogroups and serovars, the geographical distribution of studies and the main reported clinical signs and organic manifestations through a systematic review and meta-analysis. Methods: A bibliographic search was conducted for cross-sectional epidemiologic studies published between 2015 and 2025. The risk of bias was determined...
Seroprevalence of Leptospira in Lavradeiro horses, a semi-feral ecotype from the Northern Brazilian Amazon. Leptospirosis is a neglected zoonosis with significant impact on public and veterinary health, with equines acting as potential maintenance hosts of infection. This study aimed to investigate the seroprevalence of Leptospira in Lavradeiro horses under semi-feral conditions in Indigenous communities in the state of Roraima, Brazil. A total of 387 serum samples were subjected to the microscopic agglutination test (MAT), using antigens of Leptospira spp. from 18 serogroups. The overall prevalence was 15.8% (95% CI: 12.3-19.8%), with the most frequent serogroups being Australis, Tarassovi, Autumna...
Genomic diversity of multidrug-resistant Rhodococcus equi: novel sequence types, pangenome architecture, and phylogenomic evolution. Rhodococcus equi is a major cause of life-threatening pneumonia in foals under 6 months of age and an opportunistic pathogen in immunocompromised humans. Although common in soil and equine farm environments, its evolutionary dynamics, virulence architecture, and pathways of antimicrobial resistance (AMR) emergence remain poorly understood. This study integrated phenotypic characterization and whole-genome sequencing of 46 R. equi isolates from horses submitted for necropsy (n = 45) and equine fecal samples (n = 1) in Kentucky between January 2022 and December 2023 to define their resistance la...
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....
West Nile Virus in Horses as a Sentinel Host in One Health Surveillance: Epidemiological Insights and Future Perspectives. West Nile virus (WNV) is a globally distributed mosquito-borne flavivirus with significant implications for both veterinary and public health. While horses are incidental dead-end hosts, their epidemiological role extends beyond clinical disease, as they can serve as effective sentinel hosts for detecting local viral circulation. Their frequent exposure to mosquito vectors, ability to mount measurable antibody responses, geographic stability, accessibility for monitoring, and the possibility of observation within managed owner-veterinarian systems make them particularly suitable for surveillan...
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...
Horse species symposium: Current and future outlook on equine industry, research trends, and opportunities: How to promote a sustainable field into the future. The equine industry represents a complex and evolving sector with substantial economic, social, and scientific significance, yet it faces growing challenges related to funding constraints, societal expectations for animal welfare, regulatory pressures, and rapid scientific and technological change. This article synthesizes perspectives presented at the 2025 Horse Species Symposium, held during the joint Annual Meeting of the American Society of Animal Science and Canadian Society of Animal Science, which convened experts from academia, government, and industry to evaluate the current state and...
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...
Equine-related injuries in rural Oklahoma: a 10-year experience emphasizing genitourinary trauma. Equine-related injuries are a significant yet under-researched cause of trauma in rural areas, particularly in high-equine-density states like Oklahoma. This study describes patterns, severity, and outcomes of equine-related injuries over a 10-year period at a Level II trauma center, with emphasis on genitourinary (GU) trauma. Methods: This retrospective cohort study included all patients admitted with equine-related injuries from May 2015 to December 2025 (n = 259). Data were abstracted from the trauma registry, including demographics, injury mechanisms, anatomic locations (with GU injuri...
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...
A 12-year review of equestrian related injuries at a major trauma centre in South Africa. Few studies on equestrian-related injuries have specifically focused on patients in South Africa. The aim of this study was to review the spectrum of injuries and of patients treated at state-funded trauma centres in South Africa. Methods: A retrospective study was conducted over a 12-year period from July 2012 to February 2025 on all patients treated for equestrian-related injuries. Results: A total of 82 patients were included (83% male, median age: 17 years, median injury severity score (ISS): 9). The most common mechanism of injury was a fall ( = 41), followed by a kick ( = 38). Two were t...
