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Topic:Animal Health
Animal Health encompasses a broad range of topics focused on maintaining and improving the well-being of equine species. This field addresses various aspects of horse care, including disease prevention, diagnosis, treatment, and management of health conditions. Key areas of interest include equine nutrition, vaccination protocols, parasite control, dental care, and the management of chronic conditions such as laminitis and colic. Additionally, animal health research in horses investigates the impact of exercise and training on physical health, the role of genetics in disease susceptibility, and the development of new therapeutic approaches. This page compiles peer-reviewed research studies and scholarly articles that explore the latest advancements, challenges, and best practices in preserving and enhancing the health of horses.
Differences between facilities in horse welfare profiles: slight differences in management/working conditions may be enough. Many studies focus on animal welfare in terms of specific, either behavioural or physiological, indicators or on the impact of a particular management factor. However, an animal's welfare state results from the individual's perception of its general environment, which has consequences at both behavioural and physiological levels. Previous research on horses has shown that different riding schools could be characterised by different emotional/cognitive profiles of horses, in relation sometimes with one single management factor. In the present study, we aimed at determining if such facility-spec...
Prices for veterinary care of dogs, cats, and horses in Sweden and Norway: comparisons between corporate chain, government-run, and independent clinics. In a 10-15-year period, veterinary clinics in Sweden and Norway, as elsewhere, have undergone widespread corporatisation. High veterinary care costs have received attention in the lay press and from competition authorities. Whether corporate chains and independent clinics differ in price levels and how clinic characteristics, such as on-call service, affect pricing is not well-documented. The aim was to analyse prices levels and price changes for various diagnoses/procedures for dogs, cats, and horses from clinics in Norway and Sweden and to examine the influence of affiliation (corporate chai...
Sodium Retention in Large Herbivores: Physiological Insights and Zoogeochemical Consequences. The assimilation, retention, and release of nutrients by animals fundamentally shapes their physiology and contributions to ecological processes (e.g., zoogeochemistry). Yet, information on the transit of nutrients through the bodies of large mammals remains scarce. Here, we examined how sodium (Na), a key element for animal health and ecosystem functioning, travels differently through fecal and urinary systems of cows (Bos taurus) and horses (Equus ferus caballus). We provided a large dose of Na and compared its timing of release in feces and urine to that of nonabsorbable markers. Na excreti...
[New drugs for horses and production animals in 2024]. In 2024, there was no release of a novel pharmaceutical agent for horses and food-producing animals or an extension of existing active ingredients to other animal species on the German veterinary medicinal products market. Formic acid is now available for a new form of treatment, the short-term treatment of honeybees, and clenbuterol is available in a new dosage form, as an oral solution for horses. In the field of immunological veterinary medicinal products, three new vaccines were launched on the German veterinary medicinal products market. For the first time, a vaccine against in cattle, a...
Computed tomographic measurements in 110 front hooves of non-lame Thoroughbred racehorses and Warmblood showjumpers. There are no published reference ranges on computed tomographic (CT) hoof wall and sole measurements. Objective: To establish reference ranges for CT measurements of the hoof wall and sole in non-lame horses, and to investigate associations between measurements and signalment, laterality, and medial or lateral sides. Methods: Retrospective, cross-sectional study. Methods: Soft tissue reconstructions of fan-beam CT studies of 110 front feet of 56 non-lame horses (30 Thoroughbred racehorses, 26 Warmblood showjumpers), performed in non- to semi-weightbearing positions, were analysed. Hoof wall th...
What is the “train track” in the retained equine testis? A 3-year-old Quarter horse stallion with unilateral left cryptorchidism was referred for the absence of the left testis in the scrotal bursa and an enlarged right testis. The ultrasonographic examination revealed the presence of the left testis at the abdominal level. Two small hyperechogenic lines were observed running parallel and resembling a cylindrical cavitary foreign body, within a non-homogeneous area with blurred margins. The testis was removed by laparoscopy and macroscopically, the testis's cut section revealed the presence of two live adult nematodes emerging from 2 mm blood-filled...
Immunoaffinity chromatography for the preparation of equine tetanus immunoglobulin F(ab’)2 for enhanced safety and efficacy. Typically, the antigen-specific antibodies constitute a small fraction-often estimated to be around 2-10 %-of the total IgG in the serum after immunization. This low percentage necessitates the use of purification techniques to enrich the antigen-specific antibodies for therapeutic or research purposes. This study introduces an affinity chromatography column using NHS-activated Sepharose as a matrix and the tetanus toxin subunit C, TeNT-Hc-C869A, as a ligand, enabling the purification of polyclonal antibodies with high specificity. This process improves antitoxin purity to over 95 %, effecti...
A profiling of faecal parasites in horses in Mauritius and resistance to Fenbendazole at one horse-riding stable. Mauritius hosts a population of approximately 900 equids, but no investigations have delved into issues such as the prevalence of equine helminths, anthelmintic usage, and resistance emergence. This study aimed to devise a qualitative and quantitative profile of common helminthic intestinal parasites in equines at eight out of twenty-eight stables (272 horses, 29 % of local population) and to determine whether helminthic intestinal parasites in equines at one stable have developed resistance to Fenbendazole by quantitatively assessing pre-treatment faecal egg counts, post-treatment faecal egg...
Effects of different grain types on nutrient apparent digestibility, glycemic responses, and fecal VFA content in weaned foals. China's equine industry has shifted from traditional rough grazing to modern intensive farming, expanding the roles of horses into eventing, leisure, tourism, and meat and dairy production. Concurrently, equine nutrition has evolved from a forage-based diet to a more diverse regimen incorporating grain supplements to meet the heightened energy demands of intensive farming. However, nutrient digestibility and glycemic response vary considerably based on grain type, starch content, composition, and structural properties. Optimal grain selection is therefore essential for energy supplementation a...
Distribution of Alprazolam Into the Milk of Lactating Mares and Subsequent Absorption by Nursing Foals. Alprazolam is used to facilitate mare-foal bonding in aggressive or anxious postpartum mares. In humans, alprazolam crosses the blood-milk barrier, but the amount transferred into milk is minor and compatible with breastfeeding as the relative infant dose is < 10%. Similar data are not available for horses. The aim of this study was to measure alprazolam in serum and milk of mares (milk: serum ratio) administered alprazolam, and to determine alprazolam serum concentrations in nursing foals to estimate the extent of absorption. This was a prospective observational study involving 7 healthy...
Assessing Cadmium Levels in Horses Imported from the European Union and Slaughtered in Italy. The aim of this study was to evaluate cadmium (Cd) concentrations in horses imported from various European Union countries and slaughtered in Italy. In addition, we assessed the potential correlation between Cd levels in tissues and organs, and Cd-related gross and histological lesions. The animals were divided into six groups based on age and geographical origin. Among the 430 animals examined, gross renal lesions were observed in only two kidney samples from Polish horses, which also had the highest Cd concentrations: 9.1 mg/kg w/w and 8.23 mg/kg w/w, respectively. Further histological a...
Wild horses: Tartar warfare and the history of civilization. In 1644, the Manchus, a Tungusic population from northeast Asia, conquered Ming China, establishing the Qing Empire. Four years later, Crimean Tartar horsemen joined a major uprising against the Polish-Lithuanian Commonwealth, gravely destabilizing one of Europe's largest states. These near-simultaneous incursions by ostensibly nomadic, horse-riding 'Tartars' into firearm-defended sedentary states generated extensive historiographical reflection on the role of nomads and their warhorse-centred armies in shaping human history. This article explores how the Jesuit Martino Martini drew on these T...
Exploring the genetic influences on equine analgesic efficacy through genome-wide association analysis of ranked pain responses. Multimodal analgesic administration is a promising strategy for mitigating side effects typically associated with analgesia; nevertheless, variation in analgesic effectiveness still poses a considerable safety concern for both horses and veterinarians. Pharmacogenomic studies have started delving into genetic influences on varying drug effectiveness and related side effects. However, current findings have narrow implications and are limited in their ability to individualize analgesic dosages in horses. Hydromorphone and detomidine were administered to a cohort of 48 horses at standardized time...
Exploring equine behavior: Wearable sensors data and explainable AI for enhanced classification. Understanding equine behavior through advanced monitoring technologies is crucial for improving animal welfare, optimizing training strategies, and enabling early detection of health or stress-related issues. This study integrates wearable sensor data with Explainable Artificial Intelligence (XAI) techniques, particularly SHAP (Shapley Additive Explanations), to enhance interpretability in equine behavior classification. The data used in this study were sourced from an open-source dataset, ensuring transparency and reproducibility. Orginally, data were collected from 18 horses using sensor dev...
Study of Trichinella spp. Seroprevalence in Horse Population of West Azerbaijan, Northwestern Iran. We aimed to determine the seroprevalence of in horses in West Azerbaijan Province, Iran a region known for its wildlife interactions. Unassigned: The study was conducted in March 2016 across four cities in West Azerbaijan: Urmia, Chaldoran, Sardasht, and Khoy, Iran. A total of 184 equines, ranging from three to over ten years of age, were randomly sampled. Blood samples were collected and were analyzed using the ID Screen® Indirect Multi-species ELISA to detect antibodies. Unassigned: Of the 184 serum samples, 4 (4.3%) from northern counties and 2 (2.2%) from southern counties tested positi...
Sperm Vitrification in Horse and Donkey. Sperm vitrification is a novel-assisted reproductive technique that is increasingly gaining relevance in the last years. This technique allows to cryopreserve sperm from valuable stallions and donkeys without the exposure to permeable cryoprotectants, particularly toxic for the gametes of these species.This chapter aims to describe the current range of methodologies available that are key to ensure sperm quality after vitrification and warming of stallion and donkey sperm.
Cryopreservation of Horse Sperm. Cryopreservation is currently the only strategy for long-term conservation of equine sperm. To get optimal post-thaw sperm survival, carefully following each step of the freezing protocol is crucial. First, one needs to obtain and exhaustively analyze an ejaculate of good sperm quality. Then, the seminal plasma is removed by centrifugation, and the resulting pellet is resuspended in a certain volume of the freezing medium to reach the right sperm concentration. Finally, sperm samples are packaged into 0.5-mL straws, cooled, and frozen using an automatic, controlled-rate freezer. Once the tempe...
Major Salivary Gland Examinations of the Donkey (Equus asinus) Using Sectional Anatomy, Computed Tomography and Magnetic Resonance Imaging. Visualizing the major salivary glands (MSGs) in domestic mammals using plain radiology and identifying damaged their structures is impossible. To accurately display MSGs, the knowledge of normal sectional imaging anatomy is essential for veterinarians, aiding them significantly in identifying the exact relations and position of MSGs; however, no reports on the MSGs sectional imaging anatomy in this species have been made. Objective: This study aimed to evaluate computed tomography (CT), magnetic resonance imaging (MRI) and gross sections of MSGs. Methods: Seven healthy adult donkeys were used ...
Use of the rectus sheath block for perioperative analgesia in three foals undergoing omphalectomy and cystoplasty. Locoregional techniques promote multimodal analgesia and may reduce general anaesthetic requirements. However, there is limited evidence in foals. The rectus sheath block (RSB) is an interfascial plane block previously described in other species such as dogs, cats, pigs, and calves, and recently in foals, which targets desensitization of ventral abdominal midline. This block may provide an efficacious analgesic alternative for ventral celiotomies and umbilical surgeries. This case series reports the use of a bilateral RSB with 0.25-0.3 mL kg-1 bupivacaine (maximum dose of 2 mg kg-1) per hemiab...
Ivermectin performance against equine strongylids: Efficacy, egg reappearance periods, and fecal egg counting method comparison. Equine strongylids are ubiquitous and can cause severe health issues. Anthelmintic resistance is widely common in cyathostomin parasites, and recent studies have documented increasing incidence of resistance to the macrocyclic lactone drug class. Several European countries have implemented prescription-only restrictions of anthelmintic usage by law to reduce anthelmintic treatment intensity and decrease the selection pressure for drug resistance. However, long term outcomes of this approach have not been thoroughly evaluated. The aim was to determine ivermectin efficacy in strongylids by means...
Physiological and behavioral parameters of pain and stress in mares during and after transvaginal ultrasound-guided follicular aspiration. The use of transvaginal ultrasound-guided follicle aspiration (TVA) for oocyte collection has become a widely used procedure in horses for embryo production (IVEP). The TVA procedure is characterized by various manipulations, which are physical restraint, perineal preparation, transrectal palpation, insertion of an intravaginal device, and needle punctures. These repeated transvaginal and transovarian punctures have raised concerns about their potential effects on mare welfare. Our study aimed to investigate the effects of TVA manipulations, and especially puncturing, on pain and stress in ma...
Characteristics of Chrysosporium spp. Pathogens Causing Skin Mycoses in Horses. Equine skin mycoses are a significant concern in Kazakhstan's livestock industry due to the country's historical livestock farming practices, the development of equestrian sports, and food traditions. Skin infections are among the most common fungal infections in horses. Emerging pathogens of equine dermatophytosis include keratinophilic Chrysosporium spp., which can degrade and metabolize keratin found in superficial tissues. This, combined with their thermotolerance, contributes to their pathogenicity. In this study, we investigated the biological properties and pathogenicity of two Chrysosp...
Head and Neck Positions Affect Equine Kinematic Variables in Marcha Batida Gait-A Pilot Study. The Mangalarga Marchador (MM) breed naturally performs four-beat gaits known as "Marcha". Kinematic analysis can provide insights for optimizing training and competition performance in this breed while potentially mitigating welfare concerns associated with extreme head and neck positions (HNPs) applied without an adequate understanding of their impacts. We examined how different HNPs affect the MM horse's Marcha Batida gait. Four HNPs were evaluated: HPN1-loose reins, HPN2-the competition standard for MM, HPN3-an extremely elevated head and neck, and HPN4-a slightly behind-the-vertical positi...
A Laboratory Protocol for Routine Therapeutic Drug Monitoring of Beta-Lactams Antimicrobials in Horses and Dogs. Background: Although antibiotic resistance is a well-known issue in veterinary medicine, studies proposing real-time therapeutic monitoring (TDM) are lacking. The objective of the present study was to develop a simple and rapid protocol for the real-time therapeutic monitoring of antibiotics in horses and dogs. Methods: A reliable TDM protocol should encompass guidelines for the definition of plasma/serum collection time points, sample management by the clinical staff, transportation to the laboratory, and the availability of robust and swift analytical technologies. Ampicillin and sulbactam w...
Prevalence and risk factors of Babesia species in domestic herbivores in China: A systematic review and meta-analysis. Babesia species are tick-transmitted hemoprotozoa that infect mammals, birds, and humans, posing a significant global threat to veterinary medicine threat. In this study, the authors systematically retrieved articles on the occurrence of Babesia species in domestic herbivores in China, including ovine, bovine, and equine species, through a search in the following six databases from their inception to 4 November 2024: PubMed, Web of Science, ScienceDirect, Chinese National Knowledge Infrastructure, Wanfang Data, and VIP Chinese Journal Database. A total of 94 studies (54 high-quality studies, 4...
The effects of a plant-based and a plant- and marine-based n-3 oil supplement on behavioural reactivity, heart rate variability, and plasma fatty acid profile in young healthy horses. Behavioural reactivity in horses poses a welfare and safety risk to both the horse and the handler, however, beneficial effects have been observed when dietary fat is increased in replacement of sugar. Supplementation with the fatty acids (FA) eicosapentaenoic (EPA) and docosahexaenoic acid (DHA) appear to improve negative behaviours in rodents and humans, but the effect of α-linolenic acid (ALA), EPA, and DHA, specifically, on reactivity in horses is unknown. The objective of this study was to evaluate the effects of camelina oil (CAM; ALA-enriched) and a mix of camelina and algal oil (ALG; ...
Investigating the interplay of stressors and health in horses through fecal cortisol metabolite analysis. Horses are highly sensitive to stress, which can affect their wellbeing and lead to various health issues. Effective and objective stress assessment is therefore crucial for improving their care and management. The production of the glucocorticoid cortisol is increased in response to stressful stimuli and its metabolites can be measured non-invasively in feces. Therefore, this study aimed to explore the impact of different environmental and physiological stressors on fecal cortisol metabolite (FCM) concentrations in horses, with a particular focus on the relationship between stress, health, an...
