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Topic:Disease
The study of diseases in horses encompasses a wide range of conditions affecting equine health, including infectious diseases, metabolic disorders, and genetic abnormalities. These diseases can impact various systems within the horse, such as respiratory, gastrointestinal, and musculoskeletal systems, and can lead to significant health challenges. Research in this area focuses on understanding the pathophysiology, diagnosis, prevention, and treatment of equine diseases. Common diseases studied include equine influenza, equine herpesvirus, and laminitis. This page provides access to peer-reviewed research studies and scholarly articles that explore the etiology, clinical presentation, and management strategies of diseases in horses, contributing to the advancement of equine veterinary medicine.
Studies of possible movement of Venezuelan encephalitis virus from an enzootic focus in Guatemala during 1971-1974. During the wet seasons of 1972 and possibly 1971, sentinel horses became infected by Venezuelan encephalitis (VE) virus in a temporally and geographically progressive manner inland from an enzootic marsh focus of virus on the Pacific couast of southeastern Guatemala. During the wet seasons of 1972 and 1973, VE virus was detected by sentinel horses (and a sentinel hamster in 1972) in a small woods 10 km north of the marsh, but virus was undetectable there during the dry seasons of 1973 and 1974 and the wet season of 1974. Culex (Melanoconion) mosquitoes were found in this woods and at the marsh...
Squamous cell carcinoma in horses. In a review of neoplasm registry records at Kansas State University (1961 through 1971), 58 squamous cell carcinomas were reported in 10 breeds of horses. Mean age of the affected horses was 12.4 years. The head, eye and ocular adnexa accounted for 43.1%, the external male genitalia, 44.8%, and female perineal region, 12.0% of the squamous cell carcinomas, altogether representing 20.2% of 287 neoplasms recorded.
Purification and characterization of equine infectious anemia virus. EIA virus was purified from equine fetal kidney cell cultures by PEG-precipitation, two sucrose-gradient sedimentations (5-30 per cent) and (25 to 60 per cent) centrifugation, using the immunodiffusion test to follow the procedure. Purified EIA virus had a density (20 degrees C) of 1.162 and a sedimentation constant of S20w=656. electron microscopy revealed a particle of about 100 nm in diameter with a very flexible but usually spherical shape. The dense core may be at various locations inside the membrane bound particle.
LDH and LDH isoenzymes of synovial fluid in the horse. LDH is an intracellular enzyme, which when cells degenerate is released to the extracellular spaces and body fluids. Cells and organs in the mammalian body differ from each other with respect to their LDH isoenzyme patterns. These circumstances have led to the use of LDH isoenzyme determinations in laboratory diagnostic work. In the present investigation total LDH activity and LDH isoenzyme distribution in equine synovial fluid from healthy joints, joints with serous arthritis, osteochondrosis dissecans and arthrosis, were determined. The fluids from the diseased joints differed from normal sy...
Aberrant retropharyngeal lymph nodes of a horse (Equus caballus). The occurrence of aberrant lymph nodes, on both sides of the head of a horse, belonging to the retropharyngeal lymphocenter has been reported.
[Natural galactogenic infestation of the foal by Strongyloides westeri]. Strongyloides westeri larvae transmission by mare milk in foals has been studied; the results show the importance of this route for parasite penetration.
Fusariotoxicosis from barley in British Columbia. I. Natural occurrence and diagnosis. Clinical sickness was observed in domestic ducks, geese, horses and swine during October 1973. All species showed upper alimentary distress with mortalities occurring in the geese. Barley derived from a common source had been fed. Examination of the barley revealed invasion by Fusarium spp and detection of a high level of dermatitic fusariotoxins.
Eimeria leuckarti infection in foals. This is the first report on Eimeria leuckarti infection in foals in Japan. Seven Thoroughbred or Angloarabian foals 2 to 7 months of age raised in the Hidaka district, Hokkaido, were infected with E. leuckarti. They died of severe alterations caused by the larval migration of Strongylus vulgaris, and were examined over a period from 1970 to 1973. Protozoa of this species were observed in the small intestine in all the foals. They were found mostly in vacuoles of the cytoplasm of monoclear cells in the lamina propria at or near the tip of villi. Various stages of gametocytes, oocysts, and micro...
The treatment of salmonellosis in Equidae. Among 23 Equidae in which various treatment or management regimens for salmonellosis were observed and evaluated, 9 horses were infected with Salmonella typhimurium and 8 with S anatum; an aged mule harbored S newport, and 1 isolant was not identified. Four dual sero-type infections occurred: 3 typhimurium/anatum and 1 anatum/newington. The results obtained with various antimicrobials in therapy of peracute, acute, and chronic infections were discouraging or questionable with regard to efficacy against salmonellae per se. The antimicrobial resistance patterns of the salmonellae and coliforms f...
Disseminated necrotizing myeloencephalitis: a herpes-associated neurological disease of horses. Equine viral rhinopneumonitis type I virus was isolated from spinal cord and brain of a paraparetic horse with disseminated necrotizing myeloencephalitis. Necrotic arteriolitis,nonsuppurative necrotizing myeloencephalitis and Gasserian ganglioneuritis were present. On record were 12 more cases of horses with similar lesions. The horses had been ataxic or paretic for up to several weeks. A field survey indicated that 14 of 24 horses with acute myelitic signs developed them after recent exposure to respiratory disease.
Leptospiral antibodies in domestic animals in Tyrol. Results are presented of a serological examination of 1,547 domestic animals (cattle, pig, sheep, horse, goat, dog, cat) from 9 Tyrolian districts (Austria), performed in order to disclose the incidence of leptospirosis. Completely significant titres were domonstrated by means of the MAL test in the serotypes icterohaemorrhagiae or copenhageni, sorex-jalna, bratislava, sejroe and saxkoebing. In addition, antibodies were confirmed against L. bataviae, L. pomona, L. tarassovi and L. bulgarica, but the titres were insignificant. Of the animals examined, 7.2% gave positive reactions in titres of 1...
