a five year (1985-1989) retrospective study of equine neurological diseases with special reference to rabies.a retrospective study of horses necropsied between 1985 and 1989 at a diagnostic laboratory of a veterinary school in north america is documented. in this investigation over 20 per cent of the horses had clinical neurological signs. equine protozoal myeloencephalitis (caused by sarcocystis neurona) and cervical stenotic myelopathy (wobbler syndrome) were the most common of these disorders. the veterinary school is located in the midst of a raccoon rabies enzootic area. however, only four cases o ...19921644935
a review of horse-drawn buggy accidents. 19902243713
serologic survey for borrelia burgdorferi antibody in horses referred to a mid-atlantic veterinary teaching hospital.blood samples obtained from 13 of 100 (13%) and 6 of 91 (7%) horses at the george d. widener hospital for large animals in the months of june and october, respectively, had antibody to borrelia burgdorferi as determined by elisa. horses from the states of new york, maryland, delaware, new jersey, and pennsylvania were seropositive for b burgdorferi. the frequency of antibody response in horses from new jersey was greater (p less than 0.05) than the frequency of antibody response in horses from p ...19902332371
epidemiology of equine protozoal myeloencephalitis in north america based on histologically confirmed cases. a report.following a workshop on equine protozoal myeloencephalitis (epm) convened at the veterinary medical forum of the american college of veterinary internal medicine in 1988, this survey of epm in north america was developed. it is based upon 364 histologically confirmed case records from california, florida, illinois, kentucky, new york, ohio, oklahoma, ontario, pennsylvania, and texas up to 1988. the highest rate of infection was found in young thoroughbred, standardbred, and quarter horses. diffe ...19902342022
epidemiologic studies of lyme disease in horses and their public health significance.a serologic survey of horses in the new jersey-pennsylvania area demonstrated that about 10% (6.2-14.2%) have significant levels of serum antibody to borrelia burgdorferi. however, in a highly endemic area of central new jersey, up to 60% of the mares and yearlings samples on one farm were seropositive. in 1983, sera from this same farm exhibited only 12% positives in mares and 35% positives in yearlings. longitudinal studies of paired sera obtained from individual yearlings over a 6-month perio ...19883190097
prevalence of equine onchocerciasis in southeastern and midwestern united states.of 664 horses reported to have originated in southeastern and midwestern united states, 341 (51.4%) were positive for onchocerca cervicalis cutaneous microfilariasis. the highest prevalence of 68.8% was recorded for horses from virginia. horses with the highest concentrations of microfilariae (as high as 19,770 microfilariae/mg in 1 horse) were from the southeast (georgia, florida, tennessee, and alabama). for horses from south carolina, the prevalence of infection was 57.1%; from the midwest (k ...19854008301
prevalence of benzimidazole-resistant small strongyles in horses in a southeastern pennsylvania practice.a survey was conducted to determine the prevalence of benzimidazole (bz)-resistant small strongyles in horses in a southeastern pennsylvania practice. resistant parasites were found in 291 of 342 horses surveyed. anthelmintic practices and pasture management factors in use for 3 to 6 years did not correlate with the presence of resistant small strongyles. benzimidazole-resistant small strongyles were recovered in horses that had been treated alternately with bz and non-bz products and in horses ...19854086354
characteristics of a normal equine population of delaware and chester counties, pennsylvania, 1968-1969. 19725022407
resection of diseased ileum in the horse. 19715165457
a hex on your horse. 19715168520
focal myelitis-encephalitis in horses. 19705464755
exercise-induced pulmonary hemorrhage in thoroughbreds after racing and breezing.thoroughbred horses (n = 191) were examined with a flexible fiberoptic endoscope within 2 hours of racing on a dirt track; 147 (75.4%) had evidence of exercise-induced pulmonary hemorrhage (eiph), and 13 (9.0%) had blood at the nostrils. of 107 thoroughbreds examined within the same period after breezing, 41 (38.3%) had evidence of eiph. one horse (2.4%) of this group had blood at the nostrils. statistical analysis of frequency data showed that a relationship existed between eiph and the horse's ...19827103190
hemocytic rickettsia-like organisms in ticks: serologic reactivity with antisera to ehrlichiae and detection of dna of agent of human granulocytic ehrlichiosis by pcr.ixodid ticks were collected from connecticut, massachusetts, missouri, pennsylvania, rhode island, and british columbia (canada) during 1991 to 1994 to determine the prevalence of infection with hemocytic (blood cell), rickettsia-like organisms. hemolymph obtained from these ticks was analyzed by direct and indirect fluorescent antibody (fa) staining methods with dog, horse, or human sera containing antibodies to ehrlichia canis, ehrlichia equi, or rickettsia rickettsii. of the 693 nymphal and a ...19958567911
seroprevalence of antibodies to sarcocystis neurona in horses residing in a county of southeastern determine seroprevalence of sarcocystis neurona-specific antibodies in a population of horses residing in chester county, pa.19979040838
effect of daily floor treatment with sodium bisulfate on the fly population of horse determine application rate and effectiveness of sodium bisulfate to decrease the fly population in a horse barn environment.200010951981
update: west nile virus activity--eastern united states, reported to cdc through the west nile virus (wnv) surveillance system have shown an increase in the geographic range of wnv activity in 2000 compared with 1999, the first year that wnv was reported in the western hemisphere. in response to this occurrence of wnv, 17 states along the atlantic and gulf coasts, new york city, and the district of columbia conducted wnv surveillance, which included monitoring mosquitoes, sentinel chicken flocks, wild birds, and potentially susceptible mammals (e ...200011105767
prevalence of agglutinating antibodies to sarcocystis neurona in raccoons, procyon lotor, from the united states.equine protozoal myeloencephalitis (epm) is the most important protozoal disease of horses in north america and it is caused by sarcocystis neurona. natural cases of encephalitis due to s. neurona have been reported in raccoons, procyon lotor. we examined 99 raccoons for agglutinating antibodies to s. neurona using the s. neurona agglutination test (sat) employing formalin-fixed merozoites as antigen. raccoons originated in florida (n=24, collected in 1996), new jersey (n=25, collected in 1993), ...200111698158
molecular analysis of neorickettsia risticii in adult aquatic insects in pennsylvania, in horses infected by ingestion of insects, and isolated in cell culture.upon ingestion of adult aquatic insects, horses developed clinical signs of potomac horse fever, and neorickettsia risticii was isolated from the blood. 16s rrna and 51-kda antigen gene sequences from blood, isolates, and caddis flies fed to the horses were identical, proving oral transmission of n. risticii from caddis flies to horses.200211825999
unilateral thyroidectomy in 6 describe the surgical technique, complications, and outcome of thyroidectomy in 6 horses.200312692764
west nile virus activity--united states, july 21-27, 2004.during july 21-27, a total of 83 cases of human west nile virus (wnv) illness were reported from 13 states (alabama, arizona, arkansas, california, colorado, florida, illinois, iowa, missouri, new mexico, ohio, pennsylvania, and south dakota).200415282450
west nile virus activity--united states, august 25-31, 2004.during august 25-31, a total of 210 cases of human west nile virus (wnv) illness were reported from 14 states (arizona, california, florida, illinois, indiana, kansas, maryland, minnesota, montana, nevada, new mexico, north dakota, oklahoma, and pennsylvania).200415343148
west nile virus activity--united states, september 8-14, 2004.during september 8-14, a total of 195 cases of human west nile virus (wnv) illness were reported from 26 states (alabama, arizona, arkansas, california, colorado, florida, georgia, idaho, illinois, iowa, kansas, maryland, minnesota, missouri, nebraska, nevada, new mexico, new york, north dakota, oklahoma, oregon, pennsylvania, south dakota, tennessee, texas, and wisconsin).200415371969
west nile virus activity--united states, september 22-28, 2004.during september 22-28, a total of 180 cases of human west nile virus (wnv) illness were reported in the district of columbia (dc) and 24 states (alabama, arizona, california, georgia, illinois, iowa, kansas, kentucky, louisiana, maryland, michigan, minnesota, mississippi, missouri, montana, nebraska, nevada, new mexico, ohio, pennsylvania, texas, utah, wisconsin, and wyoming).200415457147
west nile virus activity--united states, september 29-october 5, 2004.during september 29-october 5, a total of 81 cases of human west nile virus (wnv) illness were reported from 18 states (alabama, arizona, arkansas, california, florida, georgia, illinois, iowa, kansas, kentucky, minnesota, missouri, ohio, oklahoma, pennsylvania, south dakota, texas, and virginia).200415470326
west nile virus activity--united states, october 6-12, 2004.during october 6-12, a total of 86 cases of human west nile virus (wnv) illness were reported from 18 states (arizona, florida, illinois, kansas, louisiana, michigan, minnesota, missouri, nevada, new jersey, new mexico, north dakota, ohio, oklahoma, pennsylvania, tennessee, texas, and utah).200415483530
west nile virus activity--united states, october 13-19, 2004.during october 13-19, a total of 200 cases of human west nile virus (wnv) illness were reported from 20 states (arizona, arkansas, california, colorado, illinois, indiana, iowa, kansas, maryland, michigan, mississippi, missouri, nevada, new mexico, north carolina, oklahoma, pennsylvania, south dakota, wisconsin, and wyoming).200415499683
west nile virus activity--united states, october 27-november 2, 2004.during october 27-november 2, a total of 10 cases of human west nile virus (wnv) illness were reported from eight states (arizona, georgia, iowa, michigan, new mexico, ohio, oklahoma, and pennsylvania).200415525902
west nile virus activity--united states, november 9-16, 2004.during november 9-16, a total of 31 cases of human west nile virus (wnv) illness were reported from eight states (arizona, georgia, maryland, michigan, missouri, new york, pennsylvania, and texas).200415549023
the impact of the women's health initiative on hormone replacement therapy in a medicaid program.observational studies suggest that hormone replacement therapy (hrt) reduces women's risk of cardiovascular disease (cvd). however the women's health initiative (whi) hrt arm was stopped early because of increased risk of cvd, stroke, pulmonary embolism, and breast cancer. evaluating hrt-prescribing patterns in relation to the release of the whi will help determine if these study results have influenced the use of hrt.200415665655
trojan horse reportedly seen rolling down pennsylvania avenue. 200919534203
an eiav field isolate reveals much higher levels of subtype variability than currently reported for the equine lentivirus family.equine infectious anemia virus (eiav), a lentivirus that infects horses, has been utilized as an animal model for the study of hiv. furthermore, the disease associated with the equine lentivirus poses a significant challenge to veterinary medicine around the world. as with all lentiviruses, eiav has been shown to have a high propensity for genomic sequence and antigenic variation, especially in its envelope (env) proteins. recent studies have demonstrated env variation to be a major determinant ...200919843328
outbreak of salmonellosis caused by salmonella enterica serovar newport mdr-ampc in a large animal veterinary teaching hospital.nosocomial salmonellosis is an important problem for large animal veterinary teaching hospitals (vths).201020584143
prevalence of antibodies to sarcocystis neurona in cats from virginia and pennsylvania.sarcocystis neurona is best known as the causative agent of equine protozoal myeloencephalitis of horses in the americas. domestic cats ( felis domesticus ) were the first animals described as an intermediate host for s. neurona . however, s. neurona -associated encephalitis has also been reported in naturally infected cats in the united states. thus, cats can be implicated in the life cycle of s. neurona as natural intermediate hosts. the present study examined the seroprevalence of igg antibod ...201020476809
efficacy of training in theriogenology as determined by a survey of determine whether veterinarians perceive that theriogenology training at veterinary medical schools in north america and the caribbean is adequate for achievement of theriogenology skills commonly used in private practice.200616910848
you've led the horse to water, now how do you get him to drink: managing change and increasing utilization of computerized provider order hospitals served by predominately private-practice physicians face difficult challenges in implementing computerized provider order entry (cpoe), but there are techniques and incentives that can be employed to change physician behavior various techniques were used to increase cpoe utilization at lehigh valley hospital, a three-campus, 750-bed tertiary community hospital in eastern pennsylvania. those techniques included presenting studies supporting cpoe as a way to improve patient car ...200515682679
amish buggy injuries in the 21st century: a retrospective review from a rural level ii trauma buggies are rarely used in modern society except among certain religious groups. northeastern indiana has one of the largest populations of one such group: the amish. although there are papers written about the incidence of buggy crashes, no paper has specifically addressed the specific types of injuries sustained when buggies collide with motorized vehicles. this paper reviews the types of injuries sustained when such events occur.200415055846
eiph: postrace endoscopic evaluation of standardbreds and thoroughbreds.the incidence and severity of exercise-induced pulmonary haemorrhage (eiph) in the 2 most commonly raced horse breeds, thoroughbreds (tb) and standardbreds (std), were studied, with particular interest in the possible influence of frusemide (f) and/or the breed (or running gait) on eiph. the appearance of blood within the trachea was semi-quantified using a published 5-point system, with zero assigned when no blood was observed, and numbers 1-4 assigned with increasing amounts of blood. consider ...200212405719
metastatic melanoma in horses.the clinical and pathologic findings are reviewed for 14 horses with metastatic melanoma. all were older gray horses, with an average age of 16 years. the most common sites of primary tumors were the ventral tail, perineum, and parotid salivary gland. metastases were found in multiple locations and caused a variety of clinical syndromes. the most common sites for metastases were the lymph nodes, liver, spleen, skeletal muscle, lungs, and surrounding or within blood vessels throughout the body. m ...200212141308
prerace venous blood acid-base values in standardbred horses.the administration of sodium bicarbonate (nahco3) or 'milk shakes' to standardbred horses before racing is widespread. this study analysed nonrace day (ctl) and prerace venous acid-base values from standardbred horses racing in pennsylvania (pa) and new jersey (nj). mean +/- s.d. ctl bicarbonate (hco3) and base excess (be) values, for a group of horses stabled during the 1993 racing season at pocono downs, pennsylvania, were 28.6 +/- 1.9 and 2.6 +/- 1.7 mmol/l, respectively. in the same populati ...19968894537
you can lead a horse to water--improving physicians' knowledge of probabilities may not affect their determine whether improving physicians' judgments of the probability of streptococcal pharyngitis for patients with sore throats would affect their use of antibiotics and affect the variation in such use.19957898300
endoscopic findings in the upper respiratory tract of 479 horses.a flexible fiberoptic endoscope was used to examine the upper respiratory tract of 479 horses and 41 (8.6%) had abnormalities. pharyngeal lymphoid hyperplasia (plh) was found in 141 horses (29.5%). statistical analysis showed a relationship between the age of the horse and the prevalence of plh. sixteen (3.3%), 10 (2.1%), and 6 (1.3%), of the horses had laryngeal hemiplegia, epiglottic entrapment, and dorsal displacement of the soft palate, respectively. there was no association between the age ...19826982261
equine ehrlichial colitis (potomac horse fever): recognition of the disease in pennsylvania, new jersey, new york, ohio, idaho, and connecticut.equine ehrlichial colitis (potomac horse fever), a newly identified colitis of the horse, was first recognized in maryland. in this report, we document occurrence of the disease in pennsylvania, new jersey, new york, ohio, idaho, and connecticut. enzootic areas were recognized by a characteristic pattern. frequently there was a seasonal pattern and high prevalence of sporadic colitis in unstressed horses. the attack rate per farm generally was low. horses on pasture, as well as those stabled, we ...19863744978
on the yellow water of horses by richard peters from the memoirs of the philadelphia society for promoting agriculture 1:139-155, 1808. 1976768739
thoughts on the transmission of sarcocystis neurona. 200010668526
mechanical ventilation in foals with botulism: 9 cases (1989-2002)."shaker foal" disease, toxicoinfectious botulism of foals, was 1st described as a clinical entity in 1967. the reported mortality rate was 90%, with death occurring within 24-72 hours of the onset of the characteristic clinical signs. the mortality rate decreased when equine-origin botulism antitoxin became available; however, a certain percentage of foals continued to die of respiratory failure. mechanical ventilation is an important part of the treatment of infant botulism and is essential to ...200314529139
botulism in foals less than 6 months of age: 30 cases (1989-2002).botulism has been recognized as a clinical entity in foals since the 1960s. also known as "shaker foal" disease, the toxicoinfectious form of botulism affects foals, with the highest incidence in the united states seen in kentucky and the mid-atlantic region. the disease is characterized by progressive muscular weakness caused by the action of botulism neurotoxin at cholinergic neuromuscular junctions. increased number of episodes and duration of recumbency, muscular trembling, and dysphagia are ...200314529138
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