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Topic:Equine Health

Equine health encompasses the study and management of diseases, disorders, and overall well-being of horses. It involves understanding various physiological systems, preventive care, and treatment strategies to maintain optimal health in equine populations. Common areas of focus include nutrition, infectious diseases, orthopedic conditions, and reproductive health. Research in equine health aims to advance knowledge on diagnostic methods, therapeutic interventions, and management practices that improve horse welfare and performance. This page collects peer-reviewed research studies and scholarly articles that explore the diverse aspects of equine health, offering insights into current findings and advancements in the field.
Acute respiratory distress syndrome and fatal interstitial pneumonia associated with equine influenza in a neonatal foal.
Journal of veterinary internal medicine    February 10, 2004   Volume 18, Issue 1 132-134 doi: 10.1892/0891-6640(2004)18<132:ardsaf>2.0.co;2
Peek SF, Landolt G, Karasin AI, Slack JA, Steinberg H, Semrad SD, Olsen CW.No abstract available
Use of dapsone in the treatment of Pneumocystis carinii pneumonia in a foal.
Journal of the American Veterinary Medical Association    February 10, 2004   Volume 224, Issue 3 407-371 doi: 10.2460/javma.2004.224.407
Clark-Price SC, Cox JH, Bartoe JT, Davis EG.A 6-month-old male Quarter Horse was evaluated for chronic respiratory tract disease. Diagnostic investigations revealed pulmonary inflammation; Pneumocystis carinii was detected within macrophages. Lymphocyte subpopulation phenotyping and immunoglobulin concentration analysis were performed and results suggested immune suppression. Trimethoprim-sulfamethoxazole administration was initiated; the colt was discharged but was reexamined 8 days later because of profuse diarrhea and endotoxemia. Bacterial culture of feces recovered Salmonella spp resistant to trimethoprim-sulfamethoxazole, and a di...
Sinonasal adenocarcinoma causing central nervous system disease in a horse.
Journal of veterinary internal medicine    February 10, 2004   Volume 18, Issue 1 125-131 doi: 10.1892/0891-6640(2004)18<125:saccns>2.0.co;2
Hepburn RJ, Furr MO.No abstract available
Equine-facilitated psychotherapy benefits students and children.
Holistic nursing practice    February 10, 2004   Volume 18, Issue 1 32-35 doi: 10.1097/00004650-200401000-00006
Roberts F, Bradberry J, Williams C.Baccalaureate nursing students who participated in equine-facilitated psychotherapy (EFP) clinical observation found that they could benefit as much from the program as the child clients. By identifying beneficial educational outcomes of this nontraditional learning assignment, the authors hope readers will explore similar possibilities for nurses at various stages of their professional development.
Use of magnetic resonance imaging for identifying subchondral bone damage in horses: 11 cases (1999-2003).
Journal of the American Veterinary Medical Association    February 10, 2004   Volume 224, Issue 3 411-418 doi: 10.2460/javma.2004.224.411
Zubrod CJ, Schneider RK, Tucker RL, Gavin PR, Ragle CA, Farnsworth KD.To assess the use of magnetic resonance (MR) imaging for identifying subchondral bone damage in the distal limbs of horses. Methods: Retrospective study. Methods: 11 horses. Methods: Medical records of horses with lameness and subsequent evidence of subchondral bone damage as determined by MR imaging were reviewed. Severity and duration of lameness, results of diagnostic local anesthesia and diagnostic testing, surgical and necropsy findings, and treatment were recorded. Outcome was determined by follow-up information obtained from the owner or referring veterinarian. Results: Lameness was loc...
The analytical approach to the nature of lipofuscin (age pigment).
Archives of gerontology and geriatrics    February 7, 2004   Volume 34, Issue 3 205-217 doi: 10.1016/s0167-4943(01)00219-9
Jolly RD, Palmer DN, Dalefield RR.Analytical studies of three lipopigments show that much can be achieved. Lipopigment from ovine ceroid-lipofuscinosis is composed of discrete protein and lipid molecules in orderly arrays and lipid peroxidation is not involved in its formation. Subunit c of mitochondrial ATP synthase accounts for approximately 50% of accumulated material and is specific to the disease process in this and other forms of the disease. Lipofuscin from bovine heart was mostly soluble and also contained discrete proteins, lipids and metals. Equine thyroid lipofuscin was less soluble but also had a relatively high pr...
Preliminary study of use of a polypectomy snare to obtain large samples of the equine gastric antrum by endoscopy.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 76-78 doi: 10.2746/0425164044864606
Murray MJ, Hepburn RJ, Sullins KE.No abstract available
Retained placenta in Friesian mares: incidence, and potential risk factors with special emphasis on gestational length.
Theriogenology    February 6, 2004   Volume 61, Issue 5 851-859 doi: 10.1016/s0093-691x(03)00260-7
Sevinga M, Barkema HW, Stryhn H, Hesselink JW.During the foaling seasons of 1999 and 2000, the incidence of retained placenta in 495 normal parturitions of 436 Friesian brood mares was studied. Retained placenta was defined as a failure to expel all fetal membranes within 3 h of the delivery of the foal. Furthermore, the sex of the foal, month of breeding, sire and dam's sire, age of the mare, and time of day of foaling, were studied as factors that might be associated with retained placenta in Friesian mares after normal foalings, and with gestational length. The analysis was carried out using marginal logistic regression, and mixed line...
Tissue-specific dysregulation of cortisol metabolism in equine laminitis.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 41-45 doi: 10.2746/0425164044864750
Johnson PJ, Ganjam VK, Slight SH, Kreeger JM, Messer NT.The role of glucocorticoids (GCs) in the pathogenesis of laminitis is incompletely understood. Local tissue activity of GC is regulated by the steroid converting enzyme, 11beta-hydroxysteroid dehydrogenase-1 (11beta-HSD-1). Changes in integumentary (skin and hoof lamellar) 11beta-HSD activity occurring during laminitis could affect the extent to which GCs are involved in its development. Objective: That changes in integumentary 11beta-HSD-1 activity associated with the laminitic condition would lead to elevated local tissue levels of GCs, which could subsequently contribute, through paracrine ...
Equine herpesvirus-1 abortion: atypical cases with lesions largely or wholly restricted to the placenta.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 79-82 doi: 10.2746/0425164044864732
Smith KC, Whitwell KE, Blunden AS, Bestbier ME, Scase TJ, Geraghty RJ, Nugent J, Davis-Poynter NJ, Cardwell JM.No abstract available
Transcranial magnetic stimulation: normal values of magnetic motor evoked potentials in 84 normal horses and influence of height, weight, age and sex.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 51-57 doi: 10.2746/0425164044864660
Nollet H, Deprez P, van Ham L, Dewulf J, Decleir A, Vanderstraeten G.Cervical spinal cord dysfunction is a common problem in equine medicine and the currently available tests give no objective information about the functionality of the nervous tracts. Therefore, transcranial magnetic stimulation (TMS) was performed in 84 healthy horses of different height in order to have an objective measure for the integrity of the descending motor tracts in normal horses. Objective: To obtain reference values for onset latency and peak-to-peak amplitude of magnetic motor evoked potentials (MMEPs) and to evaluate the possible effect of height, age and gender on the neurophysi...
Anthelmintic resistance and use of anthelmintics in horses.
The Veterinary record    February 6, 2004   Volume 154, Issue 3 96 
Vercruysse J, Hennessy D, Jacobs D, Donoghue A, Krecek T.No abstract available
Equine recurrent uveitis is strongly associated with the MHC class I haplotype ELA-A9.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 73-75 doi: 10.2746/0425164044864651
Deeg CA, Marti E, Gaillard C, Kaspers B.No abstract available
Identification and microchips.
The Veterinary record    February 6, 2004   Volume 154, Issue 3 95-96 
Mantell JA.No abstract available
Evaluation of viability and apoptosis in horse embryos stored under different conditions at 5 degrees C.
Theriogenology    February 6, 2004   Volume 61, Issue 5 921-932 doi: 10.1016/s0093-691x(03)00280-2
Moussa M, Tremoleda JL, Duchamp G, Bruyas JF, Colenbrander B, Bevers MM, Daels PF.The aim of this study was to evaluate the viability (percentage of dead cells) and the incidence of DNA fragmentation of horse embryos after storage in three different media at 5 degrees C for 6 and 24 h. Forty embryos were stored in Emcare Holding Solution for 6 and 24 h, in Hams'F10 or Vigro Holding Plus for 24 h at 5 degrees C (n = 9-10 per group) and 10 embryos were evaluated immediately after collection. First, embryos were stained, immediately after collection or following storage, to detect dead cells (DAPI) and, subsequently, DAPI-stained embryos were fixed and stained to detect DNA fr...
Equine degenerative myeloencephalopathy in five Quarter Horses: clinical and neuropathological findings.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 83-85 doi: 10.2746/0425164044864741
Gandini G, Fatzer R, Mariscoli M, Spadari A, Cipone M, Jaggy A.No abstract available
Evaluation of decision criteria for detection of spinal cord compression based on cervical myelography in horses: 38 cases (1981-2001).
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 14-20 doi: 10.2746/0425164044864642
van Biervliet J, Scrivani PV, Divers TJ, Erb HN, de Lahunta A, Nixon A.Different criteria have been described based on height reduction of the total myelographic contrast column and components of it as tests for compression of the spinal cord due to cervical stenotic myelopathy (CSM). Fifty percent height reduction of the dorsal myelographic column (DMC), <2 mm empiric height of the DMC and a 40% reduction of the ratio of stenosis calculated based on the height reduction of the entire dural diameter (DD) have been described as decision criteria for considering the test result positive. The reasons for selecting these decision criteria or their accuracies have ...
Collagenase-1 (MMP-1) activity in equine synovial fluid: influence of age, joint pathology, exercise and repeated arthrocentesis.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 34-40 doi: 10.2746/0425164044864705
Brama PA, van den Boom R, DeGroott J, Kiers GH, van Weeren PR.Matrix metalloproteinases (MMPs) are considered candidate biomarkers for both physiological and pathological tissue remodelling because of their key role in articular cartilage homeostasis. As disruption of the collagenous architecture is thought to be pivotal in chronic degenerative diseases such as osteoarthritis (OA), the collagenases form an interesting subset of the MMPs. The significance of any biomarker in synovial fluid (SF) can be assessed properly only when fluctuations in patterns induced by physiological processes such as development and growth, and by external influences and inter...
Idiopathic muscular hypertrophy of the oesophagus in the horse: a retrospective study of 31 cases.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 46-50 doi: 10.2746/0425164044864697
Benders NA, Veldhuis Kroeze EJ, van der Kolk JH.To present the first report of a case series concerning equine idiopathic muscular hypertrophy of the oesophagus (IMHO). Objective: To investigate the clinical and pathological features of the disorder. Methods: The medical records of 31 horses suffering from the disorder were reviewed retrospectively. In all these animals the diagnosis was confirmed at post mortem examination. Results: The median age of the affected horses was 12.5 +/- 5.6 years (range 1-26) without sex or breed predilection. Only 2 out of 31 horses showed clinical signs associated with oesophageal dysfunction, indicating tha...
High detail radiography and histology of the centrodistal tarsal joint of Icelandic horses age 6 months to 6 years.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 5-11 doi: 10.2746/0425164044864679
Björnsdóttir S, Ekman S, Eksell P, Lord P.Osteoarthrosis (OA) in the distal tarsal joints, bone spavin, is a well known condition which is common in Icelandic horses age 6-12 years. Objective: To determine the nature, location and age of appearance of early radiographic and histological changes in the centrodistal tarsal joint (CD) of young Icelandic horses. Methods: Slab sections from the CD of young Icelandic horses were examined by high detail radiography (age 6 months to 6 years, n = 111) and histology (age 6 months to 4 years, n = 82) to detect and describe the early changes indicative of OA. Horses younger than 5 years were unri...
Acquired cervical scoliosis in six horses associated with dorsal grey column chronic myelitis.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 86-92 doi: 10.2746/0425164044864624
Van Biervliet J, de Lahunta A, Ennulat D, Oglesbee M, Summers B.No abstract available
Measurement of respiratory function by impulse oscillometry in horses.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 21-28 doi: 10.2746/0425164044864714
van Erck E, Votion D, Art T, Lekeux P.Due to technical implementations and lack of sensitivity, pulmonary function tests are seldom used in clinical practice. Impulse oscillometry (IOS) could represent an alternative method. Objective: To define feasibility, methodology and repeatability of IOS, a forced oscillation technique that measures respiratory resistance (Rrs) and reactance (Xrs) from 5 to 35 Hz during spontaneous breathing, in horses. Methods: Using 38 healthy horses, Rrs and Xrs reference values were defined and influence of individual biometrical parameters was investigated. In addition, IOS measurements of 6 horses sho...
Total and partial ovariohysterectomy in seven mares.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 29-33 doi: 10.2746/0425164044864633
Rötting AK, Freeman DE, Doyle AJ, Lock T, Sauberli D.Ovariohysterectomy appears to have a low mortality rate in mares, but the procedure needs to be reviewed because of the high risk of life-threatening complications. Objective: That ovariohysterectomy can be effective treatment for a variety of uterine diseases in mares and carries a good prognosis. Methods: Diagnosis, clinical data, surgical technique, post operative care, complications and outcome were recorded from medical records of 7 mares that underwent total (6) and partial (1) ovariohysterectomy at the University of Illinois from 1994 to 2001. Results: The indications for ovariohysterec...
Body weight of mares and foals, estrous cycles and plasma glucose concentration in lactating and non-lactating Lipizzaner mares.
Theriogenology    February 6, 2004   Volume 61, Issue 5 883-893 doi: 10.1016/s0093-691x(03)00279-6
Heidler B, Aurich JE, Pohl W, Aurich C.This study summarizes weight development, plasma glucose concentrations and reproductive parameters in lactating (n = 46) and non-lactating Lipizzaner mares (n = 11) throughout the breeding season. It was the aim of the study to analyse if an energy deficit with possible effects on reproductive functions occurs at any time during the first 4 months of gestation. Mean gestation length was 334.3 +/- 7.3 days. Gestation of foals born in May/June was shorter (P < 0.01) than for foals born in March/April. Out of the 46 lactating mares, 44 ovulated between Days 8 and 18 postpartum and two mares ovul...
Fibrous dysplasia in the accessory carpal bone of a horse.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 93-95 doi: 10.2746/0425164044864688
Jones NY, Patterson-Kane JC.No abstract available
Color Doppler ultrasound evaluation of testicular blood flow in stallions.
Theriogenology    February 6, 2004   Volume 61, Issue 5 799-810 doi: 10.1016/s0093-691x(03)00227-9
Pozor MA, McDonnell SM.The objectives of this study were to evaluate the potential use of color Doppler ultrasound to characterize blood flow to the stallion testis, and to establish reference values for Doppler measures of blood flow in the testicular artery of the stallion. Both testes from each of 52 horses were examined using a pulsed-wave color Doppler ultrasound with a sector array 5/7.5 MHz transducer with a 1mm gate setting. Peak systolic velocity (PSV), end diastolic velocity (EDV), resistive index (RI), and pulsatility index (PI) of the testicular artery were measured in each of two locations, the convolut...
Is isoflurane safer than halothane in equine anaesthesia? Results from a prospective multicentre randomised controlled trial.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 64-71 doi: 10.2746/0425164044864723
Johnston GM, Eastment JK, Taylor PM, Wood JL.Approximately 1 in 100 horses suffer unexpectedly from anaesthetic-related death. Identification and use of the safest anaesthetic drugs should support this aim. Experimental evidence has suggested that isoflurane should be a safer maintenance agent in equine anaesthesia than halothane. Objective: The death rate would be reduced in horses being maintained with isoflurane compared to halothane. Methods: A multicentre randomised controlled trial was undertaken to compare the effects of isoflurane and halothane for maintenance of equine anaesthesia for all types of operation. Data were analysed f...
Ventilatory dynamics and control of blood gases after maximal exercise in the Thoroughbred horse.
Journal of applied physiology (Bethesda, Md. : 1985)    February 6, 2004   Volume 96, Issue 6 2187-2193 doi: 10.1152/japplphysiol.00998.2003
Padilla DJ, McDonough P, Kindig CA, Erickson HH, Poole DC.Despite enormous rates of minute ventilation (Ve) in the galloping Thoroughbred (TB) horse, the energetic demands of exercise conspire to raise arterial Pco(2) (i.e., induce hypercapnia). If locomotory-respiratory coupling (LRC) is an obligatory facilitator of high Ve in the horse such as those found during galloping (Bramble and Carrier. Science 219: 251-256, 1983), Ve should drop precipitously when LRC ceases at the galloptrot transition, thus exacerbating the hypercapnia. TB horses (n = 5) were run to volitional fatigue on a motor-driven treadmill (1 m/s increments; 14-15 m/s) to study the ...
A dose titration of triamcinolone acetonide on insulin-like growth factor-1 and interleukin-1-conditioned equine cartilage explants.
Equine veterinary journal    February 6, 2004   Volume 36, Issue 1 58-63 doi: 10.2746/0425164044864615
Sandler EA, Frisbie DD, McIlwraith CW.Previous in vitro pilot studies have defined a potentially beneficial effect of insulin-like growth factor-1 (IGF-1) and triamcinolone acetonide (TA) on interleukin-1 (IL-1)-conditioned equine cartilage. Furthermore, an optimal dose for IGF-1 treatment alone has been documented previously using the same test system as in the current project. Objective: To perform a dose titration of TA on IL-1-conditioned equine articular cartilage explants in the presence of an optimised IGF-1 dose, in order to optimise a triamcinolone concentration for use in combination with IGF-1 for future investigations....
Identification and microchips.
The Veterinary record    February 5, 2004   Volume 154, Issue 2 64 
Abbott B.No abstract available