Seroprevalence of antibodies to Sarcocystis neurona in equids residing in Oklahoma.
Abstract: A sampling of equids from the state of Oklahoma produced an estimate of seroprevalence of antibody to Sarcocystis neurona to be about 89.2%. This figure represents the highest currently reported regional seroprevalence of antibody to this organism. Regional differences in seroprevalence were found in the western quadrants of the state relative to the eastern quadrants of the state, with a significantly higher seroprevalence in the eastern regions. Thoroughbreds were found to exhibit a statistically significant lower seroprevalence as a breed group when compared with other breeds sampled.
Publication Date: 2003-12-12 PubMed ID: 14667028DOI: 10.1177/104063870301500617Google Scholar: Lookup
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- Journal Article
Summary
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The research conducted a study on equids in Oklahoma, determining that around 89.2% of them have developed antibodies to the parasite Sarcocystis neurona. The prevalence was higher in the eastern region of the state and significantly lower among Thoroughbreds compared to other breeds.
Antibodies to Sarcocystis neurona
- The study focused on the prevalence of antibodies to Sarcocystis neurona (a single-celled protozoan parasite) in equids (a family of animals including horses and donkeys) in Oklahoma.
- It was found that about 89.2% of the equids in the state have been exposed to the parasite and have developed antibodies against it. This is considered a measure of how common the parasite is in a particular region.
Regional Differences
- The research discovered regional variations in the prevalence of the antibodies. The eastern regions of Oklahoma showed a significantly higher seroprevalence (presence of specific antibodies in blood serum) compared to the western regions.
- The reason for this regional difference was not elaborated on in the abstract. Detailed information may be present in the full paper. The difference could potentially be due to environmental factors, regional differences in equid populations, or other health factors.
Comparison Among Breeds
- The study found a significant variance in the prevalence of antibodies among different breeds of equids.
- Particularly, Thoroughbreds had a notably lower seroprevalence of antibodies to Sarcocystis neurona compared with other breeds sampled. This suggests that these particular breed may have different immunity responses or exposure levels to the parasite.
Significance of the study
- This research provides valuable insights on the regional spread and prevalence of Sarcocystis neurona in equids in Oklahoma.
- Identifying the high seroprevalence and understanding the regional and breed-specific differences can inform targeted health interventions for the equid population and help prevent the spread of the parasite.
Cite This Article
APA
Bentz BG, Ealey KA, Morrow J, Claypool PL, Saliki JT.
(2003).
Seroprevalence of antibodies to Sarcocystis neurona in equids residing in Oklahoma.
J Vet Diagn Invest, 15(6), 597-600.
https://doi.org/10.1177/104063870301500617 Publication
Researcher Affiliations
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Oklahoma State University, 1 BVMTH, Stillwater, OK 74078, USA.
MeSH Terms
- Animals
- Antibodies, Protozoan / analysis
- Female
- Horse Diseases / epidemiology
- Horse Diseases / immunology
- Horse Diseases / microbiology
- Horses
- Immunoblotting
- Male
- Oklahoma / epidemiology
- Sarcocystis / immunology
- Sarcocystis / pathogenicity
- Sarcocystosis / epidemiology
- Sarcocystosis / immunology
- Sarcocystosis / veterinary
- Seroepidemiologic Studies
Citations
This article has been cited 5 times.- Reed SM, Furr M, Howe DK, Johnson AL, MacKay RJ, Morrow JK, Pusterla N, Witonsky S. Equine Protozoal Myeloencephalitis: An Updated Consensus Statement with a Focus on Parasite Biology, Diagnosis, Treatment, and Prevention. J Vet Intern Med 2016 Mar-Apr;30(2):491-502.
- Dubey JP, Howe DK, Furr M, Saville WJ, Marsh AE, Reed SM, Grigg ME. An update on Sarcocystis neurona infections in animals and equine protozoal myeloencephalitis (EPM). Vet Parasitol 2015 Apr 15;209(1-2):1-42.
- Yeargan MR, Alvarado-Esquivel C, Dubey JP, Howe DK. Prevalence of antibodies to Sarcocystis neurona and Neospora hughesi in horses from Mexico. Parasite 2013;20:29.
- Hoane JS, Morrow JK, Saville WJ, Dubey JP, Granstrom DE, Howe DK. Enzyme-linked immunosorbent assays for detection of equine antibodies specific to Sarcocystis neurona surface antigens. Clin Diagn Lab Immunol 2005 Sep;12(9):1050-6.
- Elsheikha HM, Mansfield LS. Sarcocystis neurona major surface antigen gene 1 (SAG1) shows evidence of having evolved under positive selection pressure. Parasitol Res 2004 Dec;94(6):452-9.
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