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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.
Monorchidism in three colts. Three monorchid colts were admitted for castration as cryptorchids. Two colts each had one normal descended testis, and the third colt had a small testis in the abdomen. Monorchidism was diagnosed at surgery by locating an incomplete epididymis without a testis. After the incomplete epididymis and other testis were removed, the absence of testicular tissue was confirmed by results of a human chorionic gonadotropin response test.
Campylobacteriosis in an aborted equine fetus. Abortion caused by Campylobacter fetus subsp fetus was diagnosed in a 7-month-old equine fetus. The fetus was small for its gestational age. Macroscopically, the proximal portion of the small intestine was hemorrhagic and its wall was thick. Histologically, the Brunner glands were distended with neutrophils, and the submucosa was thick, owing to fluid accumulation and/or cellular infiltrates. Curved bacteria were observed in the Brunner glands and intestinal glands. Campylobacter fetus subsp fetus was isolated from stomach contents, liver, and lungs, and was detected by dark-field microscopic ...
Ultrasonography as a diagnostic aid in horses with anaerobic bacterial pleuropneumonia and/or pulmonary abscessation: 27 cases (1984-1986). The medical records of 83 horses with pleuropneumonia and/or pulmonary abscessation, in which thoracic sonography was used, were reviewed. The sonograms of these horses were reviewed retrospectively for free gas echoes within pleural or abscess fluid. Anaerobic infection was confirmed in 27 horses, and gas echoes were observed in 21 horses. There was a significant (P less than 0.001) correlation between the observation of gas echoes and anaerobic infection in horses with pleuropneumonia and/or pulmonary abscessation. A foul odor to the breath or pleural fluid was significantly (P less than 0.0...
Sperm granuloma in a stallion. A 7-year-old stallion with a history of abdominal pain after it fell was examined and found to have a swelling of the right testis and epididymis. Semen evaluation revealed an increase in secondary sperm abnormalities. The stallion was unilaterally castrated. The histologic diagnosis was sperm granuloma, with no evidence of infection. Periductal fibrosis was observed and appeared to have developed before the trauma occurred. The changes seen could be compatible with chronic blockade of efferent ductules, resulting in extravasation of spermatozoa.
Caecal intussusceptions in horses and the significance of Anoplocephala perfoliata. A caecocaecal intussusception in a pony and a caecocolic intussusception in a horse, both infected with Anoplocephala perfoliata, are described and the relevance of tapeworms in such intestinal disease of horses is reviewed.
Rapid determination of equine hemoglobin concentration with the Spencer hemoglobinometer. The research paper looks at the accuracy and reproducibility of the Spencer hemoglobinometer, a device that rapidy determines equine hemoglobin concentration, particularly useful in emergency veterinary situations. Introduction of the […]
Embryo transfer in subfertile mares. Four subfertile mares (at least 2 barren years) were used as donors in an embryo transfer program. The embryo recovery rate was 50%, varying between 0-100. The transfer of 9 embryos resulted in the pregnancy rate of 44%. The efficiency of embryo transfer using subfertile mares is low. In this material 20% of flushings resulted in a pregnancy. Fyra subfertila ston (gatt galla i minst 2 är) användes som donatorer i ett program för embryot rans fer. Femtio procent av embryon tillvaratogs (varians 0–100%). Transfer av 9 embryon gav en dräktighetsresultat på 44%. Embryotransfer från subfert...
[Anesthesia of horses with xylazine and ketamine. 1. Anesthesia of foals]. The anaesthesia with Xylazine and Ketamine in 24 foals is described. Special qualities of this form of anaesthesia and dosages for foals of different age are discussed. The combination of Xylazine and Ketamine is well suited for the anaesthesia of foals of all age and risk-groups. The induction takes place quickly and calmly, without signs of cardiorespiratory depression. The maintenance of anaesthesia is possible, without any problem, by repeated injection with Xylazine and Ketamine, as well as by inhalation anaesthesia with volatile anaesthetics. The recovery is short; the animals rise swift...
Hepaticojejunostomy for treatment of common hepatic duct obstructions associated with duodenal stenosis in two foals. Two female Standardbred foals 2 and 3 months of age were presented with signs of gastroduodenal obstruction that was confirmed with contrast radiography and exploratory surgery. Ventral midline celiotomy was performed, showing stenosis of the duodenum proximal and distal to the hepatopancreatic ampulla. The common hepatic duct, the pancreatic duct, and the sigmoid section of the duodenum proximal to the stenosis were greatly dilated. To bypass the intestinal obstruction, a side-to-side duodenojejunostomy was performed. Obstruction of the common hepatic duct was relieved by side-to-side hepatic...
Animal virus infections that defy vaccination: equine infectious anemia, caprine arthritis-encephalitis, maedi-visna, and feline infectious peritonitis. Lentiviruses are associated with persistent infection and chronic
disease in three major species of livestock—horses, sheep, and goats.
Another lentivirus named bovine immunodeficiency virus (BIV) recently has been described (Gonda et al., 1987). It is a Visna-like virus that was originally isolated over a decade ago from cattle with
persistent lymphocytosis, lymphadenopathy, weakness, emaciation,
and central nervous system (CNS) lesions (Van der Maaten et al,
1972). There is very little information on the epidemiology, clinical
manifestations, or importance of bovine lentivirus infect...
[Individual glycoside therapy using serum concentration determination in heart insufficiency of horses]. 23 horses and one donkey with congestive heart failure are treated with a standardized methyldigoxin dose (0.0032 mg/kg of body weight). The therapy is controlled by the serum concentration of the cardiac glycoside. 4 horses have a higher and 13 horses a lower serum concentration as necessary for therapeutic approach. The influence of additional diseases and medications is demonstrated. Finally a rule for the evaluation of the individual therapeutic glycoside-dose is given.
An aerogenic Pasteurella-like organism isolated from horses. Thirteen strains of a gram-negative, fermentative bacterium that produced gas from glucose were isolated from horses with a variety of clinical conditions. The morphological and biochemical characteristics of this bacterium are similar to those described for the family Pasteurellaceae. These strains appear to constitute a new taxon within the genus Pasteurella; however, the final taxonomic position of this group depends upon more detailed genetic studies. Case histories indicate that this bacterium may be a primary respiratory pathogen and may play a secondary role in various other disease con...
Surgical treatment of sand colic. Results in 40 horses. A retrospective study of 40 horses that underwent surgical treatment for sand colic was performed. Three horses were euthanatized and one died during surgery. Of the 36 horses that recovered from anesthesia, five died before discharge from the hospital and seven died after discharge. Twenty-four horses survived at least 12 months. Sand impaction of the right dorsal colon was present in 26 horses. In addition to sand impaction, 10 horses also had colonic displacement or volvulus.
Epizootiological examination of a respiratory disease associated with mycoplasma infection in horse. The authors examined 585 samples from 92 mares of 2 studs and 346 nasal swabs taken from their foals for the presence of mycoplasmas. The positive rates of mares and foals were 81.5% and 71.7%, respectively, with positivity of samples being variable. Clinical symptoms developed in 2-4 waves and lasted 3-7 days, with intervals of 7-12 days. The disease started in April among foals born in February, at an average age of 88 days. Later on, the average age of the affected foals decreased. There was a correlation between presence of mycoplasmas in nasal cavity and disease of foals.
A Hypoderma diana (Diptera: Hypodermatidae) infection in a horse. An infection with second-stage larvae of the warble-fly H. diana in a horse is described. The second-stage larvae were incapable of developing into the third stage, because horses are unsuitable hosts and because the infected horse was treated with an insecticide. Since the horse was used for dragging trees in the forests, the infection was likely contracted via contact with H. diana, a normal parasite of roe deer in the Netherlands.
Effect of freeze-drying on measurements of pH in biopsy samples of the middle gluteal muscle of the horse: comparison of muscle pH to the pyruvate and lactate content. Muscle biopsies taken after exercise, in comparison to those at rest, contain increased amounts of blood and this is a particular problem in studies of the horse. The inclusion of blood in muscle will introduce an upward bias in values of pH measured in muscle homogenates. In an attempt to control this, muscle biopsy samples of the middle gluteal from Thoroughbred horses were freeze-dried and dissected free of blood before determination of pH. Following exercise, muscle pH measured after freeze-drying was similar to that measured in homogenates prepared from frozen samples. In contrast, freeze...
Narcotic analgesics, their detection and pain measurement in the horse: a review. Narcotic analgesics produce pharmacological effects by interacting with specific opiate receptors. At least five major types of opiate receptors have been recognised. These include mu (morphine) and kappa (ethylketazocine) receptor types. Narcotic analgesics which interact with mu receptors produce locomotor and autonomic stimulation at doses that produce little or no analgesia. Therefore, use of these drugs as analgesics in equine medicine has not been very satisfactory. Theoretical considerations suggested that the role of kappa agonists in equine analgesia be investigated. Using a pure kapp...
The use of skin expansion to repair cosmetic defects in animals. Skin expansion was used in three horses, one heifer, and one dog to aid in the repair of cosmetic defects. Skin expansion was produced by inserting an expandable silicone device subcutaneously and gradually inflating the device with saline. Skin expansion allowed skin to be mobilized and sutured over cosmetic defects without excessive tension. A successful outcome was achieved in four of the five cases reported here. In one animal, two attempts to create a pocket for a silicone prosthesis failed because the expanders ruptured. Complications included implant failure, wound dehiscence, and expos...
Carnosine content of the middle gluteal muscle in thoroughbred horses with relation to age, sex and training. 1. Muscle biopsies were collected from 85 thoroughbred horses and analysed for carnosine content by an automated HPLC method. 2. No significant sex difference was found between colts, geldings and fillies. 3. There was a trend towards lower muscle carnosine contents with age, which was only significant between 1-year-old untrained horses and 4+ year-old horses (P less than 0.002).
