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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.
Experiences in diagnostic and surgical arthroscopy in the horse. This paper reviews the current status of diagnostic and surgical arthroscopy in the horse. Arthroscopy has been used as a diagnostic aid since 1974 and is useful for evaluation of abnormalities in synovial membrane and articular cartilage. Surgical arthroscopy is a more recent advance that has replaced conventional arthrotomy in 90 per cent of the author's cases. Clinical conditions currently being treated using arthroscopic techniques rather than arthrotomy include all chip fractures in the carpus, chip fractures of the first phalanx, chronic proliferative synovitis in the fetlock and osteoch...
Comparison of ELY-2.1 with blood group and ELY-1 markers in the horse. The distribution of ELY-2 was compared to the distribution of blood group factors Aa, Ab, Ac, Ae, Ca, Da, Db, Dc, Dd, De, Df, Dh, Dk, Ka, Pa, Pb, X, Qa, Qc, Ua, and W in 2465 American Standardbred horses and to ELY-1 in 193 American Standardbred horses. The distribution patterns were different in each case. The segregation of ELY-2.1 and factors at the A, C, D, K, P, Q, U and T (W) blood group loci and at the ELA locus indicated that ELY-2.1 is not a product of any of those loci. No segregation data were available for the ELY-1 locus. Family studies indicated that the gene for ELY-2.1 is not s...
[Nucleus motorius medialis in the lumbosacral segment of the spinal cord in horses]. The studies carried out on 2 spinal cords of horses showed that cells of the medial motor nucleus (nucleus motorius medialis) are present in all neuromers of the lumbar and sacral segment of the spinal cord. It lies in the medial part of grey matter of the ventral column, neighbouring laterally and ventrally with cells of the lateral motor nucleus, whereas dorsally with cells of the nucleus of the ventral commissural horn. Along the nucleus numerous constrictions and intervals are found, which are connected with various numbers of nerve cells in particular cross-sections.
Culicoides hypersensitivity in the horse: 15 cases in southwestern british columbia. The investigation of a chronic, seasonal dermatitis of horses in southwestern British Columbia is described. Typically the history indicated an insidious onset, followed by a gradual progression in the severity of the signs each year. Lesions appeared during the warmer months of the year and tended to regress during the winter. The clinical signs consisted of areas of pruritus and excoriation, affecting predominantly the ventral midline, mane and tailhead. In all cases corticosteroid therapy relieved the pruritus and allowed the lesions to heal.The salient pathological findings were hyperkerat...
C-cell tumours of the thyroid in the horse. The clinical and pathological aspects of two cases of C-cell (parafollicular cell) tumours of the thyroid are described. Both the horse and the pony presented with a paralaryngeal mass and a history of constant gulping. Ultrastructural examination of the tumours demonstrated that they were composed of C-cells containing typical, membrane-bound secretory granules. The pony is alive and well three years after surgery and the horse has raced successfully following removal of the tumour.
[Surgical treatment of rectal prolapse in a 1-year-old mare resecting only the mucous membrane]. A mare with rectal prolaps was operated at Vienna University. The prolaps was corrected by mucosal resection only. The remaining vital layers of the corresponding intestinal section were saved. The advantage of a special tissue saving operating technique in the rectal area is seen in avoiding postoperative complications.
Interrelationships of constituents and partition of salts in milk samples from eight species. Skim-milk samples from rat, rabbit, pig, sheep, goat, horse and man were analysed for lactose, casein and the total and ultrafilterable concentrations of the main salts. Results are compared with data for the cow. The ultrafiltrate concentrations of Ca and Mg were positively correlated with that of citrate and the colloidal concentrations of Ca, Mg and citrate were positively correlated with that of Pi, suggesting that common, general, principles determine the partition of salts in milks. Casein concentration in the skim-milks was inversely related to that of lactose in accordance with a recen...
Effects of placement of intravaginal sponges on LH, FSH, estrus and ovarian activity in mares during the nonbreeding season. Eight seasonally anestrous mares were administered intravaginal polyurethane sponges on December 15 and then weekly thereafter until February 1. Control mares received no sponges or genital contact. Sponge insertion caused an immediate surge in follicle-stimulating hormone (FSH) concentrations in jugular plasma in 50% of treated mares whereas no control mares had surges in FSH (P less than .05). The effect of treatment on luteinizing hormone (LH) concentrations was much less dramatic and only three treated mares appeared to have positive responses. Sponge-treated mares exhibited positive respo...
A giant congenital pigmented nevus in a horse. Pigmented nevi have not been widely recognized in domesticated animals. We describe, for the first time, a giant congenital pigmented nevus in a horse. Because of a prominent neuroid component within the lesion, neurofibromatosis was the major differential diagnosis.
[Intersexuality in the horse. Morphologic, hormone analytic and cytogenetic studies in an Arabohaflinger horse]. A case of intersexuality in an arabo-haflinger horse is described. The external genitalia consisted of mammary gland, vulva and hypertrophic clitoris; the inner genitalia of rudimental testes. The sexual behaviour was typically male-like. The chromosome analysis showed the female karyotype 64,XX. The presence of testes in a genetically female animal is explained by translocation of an Y-chromosome fragment bearing the gene for the H-Y-antigen.
Acupuncture for treatment of chronic back pain in the horse. Fifteen horses with chronic back pain for 1/2 to 9 years, who could not function normally, who did not obtain any lasting improvement from other previous treatments, were treated with acupuncture. The treatments were 20 minutes of manual acupuncture. The average number of treatments was 7.9 times administered at weekly intervals. After the acupuncture treatments were completed, 13 of the 15 horses were able to function normally.
Determination of flunixin in equine plasma by reversed-phase liquid chromatography. Flunixin is determined in equine plasma by liquid chromatography on LiChrosorb RP-18 with 70% methanol in phosphate buffer pH 3.1 as the eluent, with detection at 284 nm. Plasma is deproteinized with methanol and the supernatant is then injected directly into the system. With a short pre-column (5 x 3 mm i.d.), which is replaced after 25-40 injections of sample, 420 plasma samples could be analysed on one analytical column. The detection limit in plasma is 0.30 micromol/l (89 ng/ml) and the method can be used in pharmacokinetic studies.
Analysis of propionylpromazine and its metabolites in horse urine. The metabolism of propionylpromazine in the horse was studied. Although propionylpromazine is not currently approved or recommended for use in horses, it has been used illegally to alter their performance. Propionylpromazine hydrochloride was administered intramuscularly at clinical and subclinical doses. Three metabolites were detected in urine. The major metabolite was identified as 2-(1-hydroxypropyl) promazine sulfoxide. The detection of this metabolite in routine drug testing has been described.
Clinical observations on an outbreak of strangles. An outbreak of strangles, which occurred during the spring, summer and fall of 1980 on a Standardbred stud farm in eastern Alberta is described. The infective organism, Streptococcus equi, may have been introduced by an outside mare that was brought to the stud for breeding. All of the groups of horses on the farm were affected. For the most part, the disease was allowed to run its natural course. Only severely affected individuals were treated. During the outbreak, the foals were prophylactically treated with penicillin to prevent them from contracting the disease. Ten horses died of complica...
[A fixed dressing with a rubber sole for horses and cattle]. A synthetic fixed dressing for great animals is described, which is worked up in such a manner that it is possible to fix on its soles a non-abrasive rubber plate.
Method of selective and non-selective angiocardiography for the horse. A practical and safe method of angiocardiography for the horse is described. The technique involved the rapid injection of 50 to 150 ml contrast agent via catheters in the right and left heart, pulmonary artery and aorta. The examination was carried out with the horse in the standing position or under general anaesthesia. Angiocardiograms were performed on 10 normal horses and satisfactory pictures of the right and left ventricles, pulmonary arteries, aorta and coronary circulation were obtained. The technique was also used in a foal with severe congenital heart disease. The most practical met...
Survey of positive results from racecourse antidoping samples received at Racecourse Security Services’ Laboratories. A review of positive Jockey Club "dope tests" during the 12 years from 1970 to 1981 inclusive is presented and a comparison made with certain overseas racing authorities for varying periods between 1975 and 1981. Urinary pH of post race urine samples is predominantly acidic (although varying in a significant manner throughout the year) and thus favours excretion of the generally more potent basic drugs. The proportion of positive results was about the same in winners and non-winners, ie, one in 400 horses sampled. Drugs found fell mainly into four categories: methylxanthines; non-steroidal ant...
Studies on ticks of veterinary importance in Nigeria. VIII. Differences observed in the biology of ticks which fed on different domestic animal hosts. Ticks of the species Amblyomma variegatum (Fabr.), Boophilus decoloratus (Koch), Boophilus geigyi Aeschl. et Morel, and Hyalomma rufipes Koch were detached from cattle, sheep and horses and the influence of these various hosts on the biology of ticks was investigated. No A. variegatum was found in horses. The parameters studied were preoviposition and oviposition periods, ovipositional capacity, eclosion period, hatching patterns, egg sizes and temperature effect. Although the preoviposition and eclosion periods were similar in each tick species irrespective of the host from which the adults w...
Responses to submaximal treadmill exercise and training in the horse: changes in haematology, arterial blood gas and acid base measurements, plasma biochemical values and heart rate. Four standardbred horses with subcutaneously relocated carotid arteries were given a seven week training programme of treadmill exercise at a gradient of 19 per cent in order to assess if there were any effects of exercise and training on haematology, arterial blood gas and acid base measurements, plasma biochemistry and heart rate. The exercise consisted of one minute walking at 110 metres/minute followed by five minutes trotting at 200 metres/minute, twice daily in the first week. The period of trotting exercise was increased by one minute per week so that by the seventh week the horses were...
Toxic hepatic failure in newborn foals. Eight foals, 2 to 5 days of age, with similar clinical signs and laboratory and pathologic findings, died from hepatic failure. The predominant clinical signs were depression and icterus. Abnormally high values were found for plasma ammonia content, aromatic-to-branch-chain amino acid ratio, total serum bilirubin content, gamma glutamyl transferase activity, alkaline phosphatase activity, and PCV; partial thromboplastin time and prothrombin time were prolonged. Some foals had high sorbitol dehydrogenase activity. These laboratory findings were suggestive of subacute hepatic disease and failure...
Effects of toxic doses of phenylbutazone in ponies. Toxic doses of phenylbutazone (10 mg/kg of body weight) were administered to 10 ponies once daily for 14 days. Clinical signs of toxicosis similar to those seen in other species included CNS depression, anorexia, oral ulcers, and soft feces. Six ponies died in 7 to 20 days; 1 pony was euthanatized during an acute abdominal crisis; and 3 ponies survived the study. At necropsy, the major lesions were oral and gastrointestinal ulcerations and renal changes.
The use of equine anti-endotoxin hyperimmune serum in the treatment of septic arthritis in foals. Three thoroughbred foals were treated with anti-endotoxin hyperimmune serum. The serum was injected into the affected joint spaces. Two of the foals made a complete recovery.
