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Journal of clinical microbiology1991; 29(12); 2887-2889; doi: 10.1128/jcm.29.12.2887-2889.1991

Prevalence of virulent Rhodococcus equi in isolates from soil and feces of horses from horse-breeding farms with and without endemic infections.

Abstract: The prevalence of virulent Rhodococcus equi in isolates from soil and feces of foals on a farm with endemic R. equi infections was significantly higher than that of a farm with no history of the disease. Foals bred on a farm with the endemic disease might be constantly exposed to virulent R. equi in their environment.
Publication Date: 1991-12-01 PubMed ID: 1757567PubMed Central: PMC270455DOI: 10.1128/jcm.29.12.2887-2889.1991Google Scholar: Lookup
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  • Journal Article
  • Research Support
  • Non-U.S. Gov't

Summary

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The research examines the presence of a harmful bacterium, Rhodococcus equi, in soil and horse feces from breeding farms with a history of the infection and farms without such a history. It is found that farms with endemic infections had significantly higher levels of R. equi.

Objective and Methodology

  • The main objective of the study was to evaluate and compare the prevalence of a bacterium called Rhodococcus equi in the soil and feces samples taken from horse-breeding farms. These included farms that had and had no history of R. equi infections.
  • This comparison was expected to provide insights into the risk of exposure to R. equi that foals bred on farms with an endemic disease might have. The measure of prevalence was used to classify the degree of presence of the virulent R. equi.
  • The data for the research was collected from various horse breeding farms, which were categorized as those with and without a history of R. equi infections.

Findings

  • Results showed that the prevalence of virulent R. equi was significantly higher in isolates from soil and feces of foals on farms with endemic R. equi infections.
  • This result indicates that there is a higher risk of exposure to R. equi for foals bred on farms where the disease has become endemic. These foals are exposed to risky environmental conditions that can result in being infected by the virulent R. equi.

Implications

  • The research findings signify that in order to protect foals in horse-breeding farms from R. equi, it is important to consider the history of the farm in terms of this bacterium. Farms with a history of R. equi infections possess an inherently high risk factor for spreading the infection to foals.
  • The results can be used to plan for preventative measures and treatment plans for protecting foals bred on farms with a history of the R. equi disease.
  • Farmers and horse breeders can use this information to take measures to sanitize their farms and reduce the spread of R. equi if their farm has a known history of the disease.

Cite This Article

APA
Takai S, Ohbushi S, Koike K, Tsubaki S, Oishi H, Kamada M. (1991). Prevalence of virulent Rhodococcus equi in isolates from soil and feces of horses from horse-breeding farms with and without endemic infections. J Clin Microbiol, 29(12), 2887-2889. https://doi.org/10.1128/jcm.29.12.2887-2889.1991

Publication

ISSN: 0095-1137
NlmUniqueID: 7505564
Country: United States
Language: English
Volume: 29
Issue: 12
Pages: 2887-2889

Researcher Affiliations

Takai, S
  • Department of Animal Hygiene, School of Veterinary Medicine and Animal Sciences, Kitasato University, Aomori, Japan.
Ohbushi, S
    Koike, K
      Tsubaki, S
        Oishi, H
          Kamada, M

            MeSH Terms

            • Actinomycetales Infections / epidemiology
            • Actinomycetales Infections / microbiology
            • Animals
            • Breeding
            • Disease Reservoirs
            • Feces / microbiology
            • Female
            • Horse Diseases / epidemiology
            • Horse Diseases / microbiology
            • Horses
            • Japan / epidemiology
            • Rhodococcus equi / isolation & purification
            • Rhodococcus equi / pathogenicity
            • Soil Microbiology

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            Citations

            This article has been cited 25 times.
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