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Topic:Equine Diseases
Equine diseases encompass a wide range of health conditions that can affect horses, including infectious diseases, metabolic disorders, and genetic conditions. These diseases can impact the overall health, performance, and well-being of horses. Common equine diseases include equine influenza, equine herpesvirus, laminitis, and equine metabolic syndrome. Diagnosis and management of these diseases often require a combination of clinical evaluation, laboratory testing, and appropriate treatment strategies. This page gathers peer-reviewed research studies and scholarly articles that explore the etiology, pathophysiology, diagnosis, and treatment options for various equine diseases, providing valuable insights for veterinarians and researchers in the field.
[Periosteal new bone formation in the horse induced by trauma. (author’s transl)]. The radiological interpretation of periosteal new bone formation in the horse induced by trauma is described and illustrated by some casereports. The better the margins of the new bone can be defined the lesser the activity. The greater the density of the new bone, the longer the duration of time since injury.
The pH/log PCO2 buffer curve of horse blood. Samples of jugular venous blood from six horses were equilibrated with six oxygen and carbon dioxide gas mixtures of PCO2 between 28 and 54 mm Hg. In all six samples the correlations between the pH and the log PCO2 values were linear and highly significant, with r in all six samples greater than 0.985.
It was concluded that the Astrup method for the determination of the acid-base status of the blood of horses is valid.
Equine Escherichia coli endotoxemia: comparison of intravenous and intraperitoneal endotoxin administration. Certain physiologic and hematologic data were determined in ponies given Escherichia coli endotoxin by three routes: single IV dose, single intraperitoneal (IP) dose, and multiple IP boluses. In all ponies, the reaction was characterized by weakness, depression, peripheral circulatory abnormalities, and pyrexia. The pyrexia was more severe and was sustained in the ponies given multiple IP bolus endotoxin. Changes in packed cell volume, peripheral blood neutrophil, lymphocyte, and thrombocyte counts, and blood glucose were noticed in the three groups. Blood lactate and beta-glucuronidase values...
A case of bilateral hip dysplasia in a foal. Degenerative arthritis of the coxofemoral joints in the Norwegian Dole horse characterised by lameness, erosion of the joint cartilages, deposition of new bone at the attachments of the joint capsules and the teres ligaments, stretching and rupture of the teres ligaments and eventually luxation has been described and is considered to be due to hip dysplasia and to be inherited (Haakenstad, 1953). More recently there have been 2 reports of unilateral degenerative arthritis and subluxation in young horses (Jogi and Norberg, 1962; Davidson, 1967). In the last 8 years there have been 12,051 equine...
Sound spectography in the diagnosis of equine respiratory disorders: a preliminary report. One problem in the diagnosis of subclinical roarers is that abnormal auditory signals occur only during a fast gait, and these fade quickly. This paper offers a novel technique to assist this problem. Sound recordings were obtained from five horses following exercise; two roarers, two non-roarers, and one suspected roarer. These signals were converted into spectrograms by Rayspan processing. All frequencies in the 0 to 2.25 kHz range during both inspiration and expiration, as well as occasional noises in the 2–4 kHz band, characterised roarers. Signals from non-roarers consisted of frequenci...
Granular cell tumour (myoblastoma) in the lung of a horse. A granular cell tumour (myoblastoma) occurred in the lung of an aged mare. Multiple greyish-white neoplastic nodules of various sizes almost replaced one lung. Histologically, the neoplasm consisted of small clumps of granular cells in a stroma composed of thick bands of collagen and numerous capillaries. The globoid or stellate neoplastic cells were characterized by a large number of eosinophilic, PAS-positive, diastase-resistant cytoplasmic granules. Ultrastructurally, the granules were of two types: (a) homogeneous, electron-dense granules and (b) multimorphous granules that resembled cell ...
An equine fetal monster dicephalus tetrapus dibrachius. Double monsters are structurally related to monozygotic twins and the reported frequency of these abnormalities in the equine species is low. Symmetrical, double development in both the cephalic region and caudal trunk was demonstrated along with a common undeveloped cervical mass. Anomalies found in the separate genito-urinary systems added another variant to this case.
[Prevalence of Dictyocaulus arnfieldi (Cobbald, 1884) Railiet & Henry 1907, in Pantaneira breed horses of the region of Pocone, MT]. The authors sacrificed fifty-five horses originated from the "Pantanal", lowlands in the State of Mato Grosso in two different periods, droughty period and flooded and they described for the first time the Dictyocaulus arnfieldi in Mato Grosso. Relationship between droughty and flooded periods proved not to occur.
The Fourth Sir Frederick Hobday Memorial Lecture. Back problems in the horse–a look at past, present and future progress. The horse is predisposed to back injury by virtue of the type of work and intensity of competition
to which it is subjected nowadays. This paper reviews some of the inherent difficulties in establishing meaningful criteria for the diagnosis and treatment of these injuries. It highlights some
of the large gaps in knowledge, particularly in relation to the causative factors involved and the
biomechanics of the equine spine. One controversial area in diagnosis and treatment concerns
the possible subluxation of vertebral dorsal spinous processes and their subsequent reposition by
means of man...
Survival of contagious equine metritis bacteria in transport media. Survival of bacteria that cause contagious equine metritis (CEM) was evaluated in Amies modified transport (AMT) medium, in AMT medium with charcoal, and in Stuart transport medium at 37, 22, 4, and -70 C. The CEM bacteria suspended in transport media survived at 22, 4, and -70 C for longer periods in AMT medium with charcoal than they did in AMT and Stuart transport media. In 1 day, the number of bacteria in exudate stored in the absence of any transport medium decreased 15-fold at 22 C and twofold at 4 C. The CEM bacteria were isolated from exudate on cotton-tipped swabs from all three trans...
The epidemiology of equine strongylosis in southern Queensland. 2. The survival and migration of infective larvae on herbage. The seasonal changes in longevity on herbage of the infective larvae of strongylid nematodes of the horse were studied. During the summer months, 1% of the larvae survived on herbage for 2-3 weeks, with 0.2% still viable for a further 2-3 weeks. Equivalent survival periods in winter were 7-11 weeks and over 11 weeks respectively. During spring and autumn, larvae survived for periods varying from 3-8 weeks. On Rhodes grass (Chloris gayana) growing vigorously in the summer of 1976, the majority of larvae remained in the lowest layers of the pasture, within 10 cm of the soil surface. Very few rea...
Identification and characterisation of the major antiproteases in equine serum and an investigation of their role in the onset of chronic obstructive pulmonary disease (COPD). Three major antiprotease components in equine serum were identified and characterised. These were the acidic prealbumin Pr, the homologue of human alpha-1 antitrypsin and 2 protease binding proteins, the acidic prealbumin Xc and alpha-2 macroglobulin, both capable of inhibiting the proteolytic activity of trypsin, but with only limited inhibitory effect on its esterolytic activity. The possible role of these serum antiproteases in the onset of chronic obstructive pulmonary disease (COPD), analogous to the hereditary dysproteinaemia of alpha-1 antitrypsin in man, was investigated. There was no ...
Chronic obstructive pulmonary disease (COPD): factors influencing the occurrence. Breed, age, weight, type of work performed, seasonal onset, poor ventilation and exposure to moulds in the habitat were investigated in relation to the occurrence of chronic obstructive pulmonary disease (COPD). COPD was most commonly detected in showjumping and hacking horses. The older a horse, the more likely it was to become affected although most were 6 to 10 years of age. Of the horses in this sample of the population, which was not a random one, thoroughbred horses were affected least and ponies most often. The high incidence in ponies was related to their more frequent exposure to poor...
