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Topic:Veterinary Care
Veterinary care in horses encompasses the medical and preventive measures taken to maintain and improve the health and well-being of equine patients. It includes a wide range of practices such as routine health examinations, vaccinations, dental care, parasite control, and management of injuries and diseases. Veterinary care also involves diagnostic procedures, surgical interventions, and therapeutic treatments tailored to the specific needs of horses. This page gathers peer-reviewed research studies and scholarly articles that explore various aspects of equine veterinary care, including advancements in diagnostic techniques, treatment protocols, and health management strategies to support the well-being and performance of horses.
Incidence of transfusion reactions and retention of procoagulant and anticoagulant factor activities in equine plasma. The extent of preservation of clotting factors and incidence of transfusion reactions to noncommercial equine plasma is not documented. Objective: Equine frozen plasma would retain its coagulation factor activity within the reference range and the incidence of transfusion reactions would be low. Methods: Ten plasma donor horses. Fifty clinically ill hospitalized horses receiving plasma were reviewed to determine the incidence of reactions. Methods: In vitro study and retrospective case review. Plasma was prepared by gravity sedimentation from whole blood refrigerated for 48 hours. The activiti...
Unsuccessful treatment of a horse with mandibular granulomatous osteomyelitis due to Halicephalobus gingivalis. An 8-year-old horse was presented with a submandibular swelling. Biopsy of the lesion indicated granulomatous osteomyelitis due to Halicephalobus gingivalis. In the absence of evidence of involvement of the central nervous system at the time of diagnosis, the horse was treated with ivermectin. Unfortunately, the horse did not survive. Un cheval âgé de 8 ans a été présenté pour une enflure sous-mandibulaire. Une biopsie de la lésion a révélé une ostéomyélite granulomateuse causée par En l’absence de signes d’atteinte du système nerveux central au moment du diagnostic, le c...
Equine amnionitis and fetal loss: the case definition for an unrecognised cause of abortion in mares. A series of abortions occurred in mares in New South Wales during 2004 that involved similar and unusual findings on post mortem examination of aborted fetuses and fetal membranes. The term Equine Amnionitis and Fetal Loss (EAFL) was developed to describe the condition. This form of abortion had not been previously recognised in Australia. The pathology alone is not specific for EAFL and diagnosis requires demonstration of a combination of certain pathological and bacteriological features. The purpose of this paper is to describe patterns considered consistent with EAFL cases as a working case...
Tracheal collapse in American Miniature Horses: 13 cases (1985-2007). To describe the clinical and laboratory findings, diagnostic features, and outcome of tracheal collapse in American Miniature Horses at a referral institution. Methods: Retrospective case series. Methods: 13 American Miniature Horses with tracheal collapse. Methods: Medical records of American Miniature Horses with tracheal collapse at a referral hospital were reviewed. Data extracted included signalment, history, clinical signs, laboratory data, diagnostic procedures, outcome, and histologic findings. Results: Tracheal collapse was documented in 5.6% of American Miniature Horses admitted to t...
Prospective evaluation of coagulation in critically ill neonatal foals. Coagulopathy is a potentially underrecognized complication of sepsis and septic shock in critically ill neonatal foals. Objective: Critically ill neonatal foals have abnormalities in coagulation that are associated with disease severity and outcome. Methods: Foals <72 hours old admitted to a neonatal intensive care unit. Methods: Prospective, observational study. Blood was collected at admission, 24, and 48 hours for platelet count, prothrombin time, activated partial thromboplastin time, antithrombin activity and concentrations of fibrin degradation products, and fibrinogen in plasma from ...
Clonal spread of methicillin-resistant coagulase-negative staphylococci among horses, personnel and environmental sites at equine facilities. A cross-sectional study was carried out to investigate species distribution and clonality of methicillin-resistant coagulase-negative staphylococci (MRCoNS) isolated from the nasal cavity of 39 horses and 32 veterinary or caretaker staff, and from 76 environmental surfaces at three equine facilities in Denmark. MRCoNS obtained by selective isolation were characterised by 16S rDNA sequencing, PCR detection of mecA, and pulsed-field gel electrophoresis (PFGE). MRCoNS were found in 32 (82%) horses, 20 (63%) humans and 50 (66%) environmental samples. The most common species was S. vitulinus (n=56)...
Early conception factor lateral flow assays for pregnancy in the mare. The ECF lateral flow assay test is marketed to detect non-pregnancy in mares. The objectives of the present study were to determine the accuracy of the ECF test, the accuracy of the electronic reader accompanying the ECF test, and agreement between two human readers and the electronic reader. Serum samples were collected from anestrus, cycling but not inseminated, and inseminated mares, and were evaluated with the ECF test (EDP Biotech Company, Knoxville, TN, USA) at The Ohio State University and at the EDP Biotech Laboratory. Specificity ranged from 0.07 to 0.16, the negative predictive value...
Irrigation linked to a greater incidence of human and veterinary West Nile virus cases in the United States from 2004 to 2006. Identifying risk factors for West Nile virus transmission is vital for future public health control measures. This study investigated the effect of irrigation, expressed as percent irrigated land, and population density on the incidence of human and veterinary West Nile virus (WNV) cases using a sample of 2827 counties from the United States over a 3-year period. Zero-inflated Poisson regression models were selected because of the large number of counties reporting zero cases. The mean percentage of irrigated land for the entire sample was approximately 0.029, while counties reporting both hum...
The relationship between consecutive pregnancies in Thoroughbred mares. Does the location of one pregnancy affect the location of the next, is this affected by mare age and foal heat to conception interval or related to pregnancy success. Delayed uterine involution is a major cause of early reproductive failure in mares. Involution is affected by mare age, and foaling to covering interval. Involution rates vary between the previously non-gravid horn (PNGH), which recovers the quicker, and the previously gravid horn (PGH). Location of a pregnancy and its likely success may, therefore, be affected by its location relative to the previous pregnancy. This study aimed to determine: (i) the location of concepti in consecutive pregnancies; (ii) whether this varies with mare age or foaling to conception interval; (iii) whether location...
Pleomorphic corneal sarcoma resembling malignant peripheral nerve sheath tumor in a horse. A 14-year-old Haflinger gelding presented with a protruding mass involving the cornea of the right eye. The mass was resected and submitted for histopathologic and immunohistochemical examination. The preliminary diagnosis was corneal sarcoma, most likely fibrosarcoma. The immunohistochemical results confirmed the mesenchymal origin of the neoplastic cells, which were most consistent with a malignant peripheral nerve sheath tumor. Corneal mesenchymal neoplasms are extremely uncommon tumors in human beings and domestic animals. The cause for this tumor was not determined; infection with bovine ...
Effects of previous control programmes on the proportion of horses shedding small numbers of strongyle-type eggs. Between 30 and 70 per cent of horses at 18 stables had their anthelmintic treatments withdrawn for a year. Three of the stables (group 1) had used no anthelmintics for many years, 10 (group 2) had treated their horses with anthelmintics approximately twice a year, and five (group 3) had used anthelmintics five to seven times a year. A total of 1068 samples of faeces were collected from the 267 untreated horses and faecal egg counts were carried out four times during the year. Overall 50.2 per cent of the samples contained less than 200 epg. When the four counts from individual horses were coll...
Diagnostic accuracy of digital photography and image analysis for the measurement of foot conformation in the horse. Rigorous evaluation of practicable methods for the objective assessment of foot conformation has not been performed. Objective: To assess the practicability, precision and accuracy of the process of obtaining measurements of horses' feet using photography and image processing software. Methods: Precision study: Lateral photographs of horses' feet were obtained twice by 2 veterinary surgeons (image acquisition - IAc). Photographs were analysed by 2 masked veterinary surgeons on 2 occasions (image analysis - IAn). Measurements were compared within and between operators for self and non-self acqu...
Screening, quantification, and confirmation of phenylbutazone and oxyphenbutazone in equine plasma by liquid chromatography-tandem mass spectrometry. A sensitive liquid chromatographic-tandem mass spectrometric method was developed and validated for screening, quantification, and confirmation of phenylbutazone and oxyphenbutazone in equine plasma. Analytes were recovered from plasma by liquid-liquid extraction followed by separation in a reversed-phase column and identification by mass spectrometry with selected reaction monitoring in negative electrospray ionization mode. Extraction recovery for both analytes was >80%. Limits of detection, quantification, and confirmation for both analytes were 0.01 microg/mL (S/N>or= 3), 0.05 microg...
Days lost from training by two- and three-year-old Thoroughbred horses: a survey of seven UK training yards. The first major epidemiological study of injury incidence in the UK flat racing Thoroughbred (TB), published in 1985, found lameness to be the single largest reason for days when horses failed to train. It was considered advisable to ascertain if progress has been made in reducing the problem of musculoskeletal injuries in the intervening period. Objective: To quantify injury incidence and days lost from training by 2- and 3-year-old TBs in UK training yards during 2002 and 2003. Methods: One-hundred-and-eighty-two yearling TBs were recruited at the end of 2001 and daily training and injury re...
Deep erosions of the palmar aspect of the navicular bone diagnosed by standing magnetic resonance imaging. Erosion of the palmar (flexor) aspect of the navicular bone is difficult to diagnose with conventional imaging techniques. Objective: To review the clinical, magnetic resonance (MR) and pathological features of deep erosions of the palmar aspect of the navicular bone. Methods: Cases of deep erosions of the palmar aspect of the navicular bone, diagnosed by standing low field MR imaging, were selected. Clinical details, results of diagnostic procedures, MR features and pathological findings were reviewed. Results: Deep erosions of the palmar aspect of the navicular bone were diagnosed in 16 matu...
Trichinella britovi and Trichinella spiralis mixed infection in a horse from Poland. Trichinella infections in horses continue to represent a health problem and, despite the rarity of infection, it is necessary to continue to control properly horse meat. In 2008, a 10-year-old horse imported from Poland to Italy for consumption found to have been positive at the digestion test. Both Trichinella britovi and Trichinella spiralis larvae in a proportion of 4:1 were detected in the horse muscles. This is the first report of a mixed Trichinella species infection in a horse. The epidemiological investigation revealed that the infected horse originated from a small farm about 120km fr...
Epidemiological study design and the advancement of equine health. The primary purposes of epidemiological investigations are to learn about causal mechanisms related to disease incidence and identify factors for therapy and prevention. Epidemiological studies can be observational--further categorised as descriptive or analytical--or experimental. Investigators performing experimental studies, or randomised controlled trials (RCTs), randomly assign treatments or exposures to study participants for the expressed purpose of the study. The most frequently encountered observational epidemiological studies employed to investigate issues of equine health are cohort...
[Cryptosporidiose (C. parvum) in a foal with diarrhea]. The protozoon parasite Cryptosporidium parvum is an important cause of diarrhea in farm animals, but it can also infect other animals and humans. In this case report, oocysts of Cryptosporidium spp. were microscopically detected by modified Ziehl-Neelsen staining in the feces of a 9 day old Arabian colt presented with yellowish, foul smelling, diarrhea and fever of 40 degrees C. PCR and sequencing of the isolate revealed C. parvum (bovine genotype). Hemato-chemical analysis of the foals blood revealed a marked hypogammaglobulinaemia (IgG 108mg/dl). The colt responded well to a supportive thera...
Presence of Gasterophilus species in Arabian horses in Sanliurfa region. In this study, ivermectin was administered orally to112 Arabian horses for detection of Gasterophilus species in the Sanliurfa region between June-July 2006. Eleven (9.82%) Arabian horses were found to be infected by larvae of Gasterophilus spp. A total of 409 third stage larvae (L3) were collected from fecal samples. In the Sanliurfa region, the prevalence of three species of Gasterophilus was identified as follows: Gasterophilus intestinalis (6.25%), G. nasalis (2.67%) and G. pecorum (0.89%).
Cutaneous fungal granuloma in a horse. This case report describes a 4-year-old-horse with two cutaneous masses on the right crest of the neck. Biopsy revealed chronic nodular pyogranulomatous dermatitis and panniculitis. Giemsa and periodic acid-Schiff stains showed focal spherical, yeast-like organisms. A diagnosis of cutaneous fungal granuloma was made. The size of the masses decreased after oral treatment with fluconazole for 10 days combined with potassium iodide for 30 days, and the remaining masses were excised by laser. Lesions did not recur at the site. Fungal granuloma should be considered as a differential diagnosis in ho...
Dorsoproximal proximal phalanx osteochondral fragmentation in 117 Warmblood horses. The objective of the present study was to determine clinical and arthroscopic characteristics associated with dorsoproximal proximal phalanx (P1) fragments in Warmblood horses, as well as to examine their histopathological appearance. One hundred sixty-eight fragments were removed from 150 fetlocks of 117 Warmblood horses. Details of signalment and results of clinical examination were collected prior to surgery. After arthroscopic fragment removal and joint evaluation for synovial and/or cartilage abnormalities, the fragments were measured and evaluated histopathologically. The vast majority o...
Locking compression plate osteosynthesis of complicated mandibular fractures in six horses. Complicated mandibular fractures were recognised in one foal, one pony and four horses. The foal was two months old while the adult animals ranged in age from 12 to 24 years. Three horses had a unilateral horizontal ramus fracture. Two fractures were open and one was closed. Comminution was present in one of these patients while the other two horses had marked displacement of the fragments. Two suffered from comminuted fractures of the horizontal and vertical ramus of the mandible. One of these patients had open and infected fractures. One foal had a bilateral horizontal ramus fracture with ma...
Perforation of the gastrointestinal tracts of four horses by metallic wires. The medical records of four horses whose intestines had been perforated by metallic wires were reviewed. Three of the horses developed acute colic, and the other progressively lost weight and became inappetent and pyrexic. Metallic wires were detected either by exploratory laparotomy or postmortem examination. In three of the horses there were adhesions containing an encapsulated metallic wire in the small intestine, and in the other the wire was contained within an abscess with multiple adhesions involving the liver, spleen and mesentery.
