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Home / Equine Research Bank / Animals (Basel) / Parasite Occurrence and Parasite Management in Swedish Horse...
Animals : an open access journal from MDPI2020; 10(4); 638; doi: 10.3390/ani10040638

Parasite Occurrence and Parasite Management in Swedish Horses Presenting with Gastrointestinal Disease-A Case-Control Study.

Abstract: All grazing horses are exposed to intestinal parasites, which have the potential to cause gastrointestinal disease. In Sweden, there is a concern about an increase in parasite-related equine gastrointestinal disease, in particular , since the implementation of prescription-only anthelmintics approximately 10 years ago. In a prospective case-control study, parasitological status, using fecal analyses for strongyle egg counts, the presence of eggs and Polymerase chain reaction (PCR) as well as serology for , were compared between horses presenting with or without gastrointestinal disease at a University hospital during a one-year period. Information regarding anthelmintic routines and pasture management was gathered with an owner-filled questionnaire. Although the prevalence of PCR was 5.5%, 62% of horses were positive in the enzyme-linked immunosorbent assay (ELISA) test and horses with peritonitis showed higher antibody levels for , as compared to other diagnoses or controls. Overall, 36% of the horse owners used only fecal egg counts (FEC), 32% used FEC combined with specific diagnostics for or and 29% dewormed routinely without prior parasite diagnostics. Effective management methods to reduce the parasitic burden on pastures were rare and considering exposure to appears high; the study indicates a need for education in specific fecal diagnostics and pasture management.
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Publication Date: 2020-04-07 PubMed ID: 32272754PubMed Central: PMC7222828DOI: 10.3390/ani10040638Google Scholar: Lookup
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Summary

This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.

The study investigates the prevalence of parasites in Swedish horses and the efficacy of current parasite management methods. It found high exposure levels to certain parasites and inadequate use of effective pasture management, indicating a need for improving diagnostic methods and knowledge on parasite control measures.

Study Method and Parasitological Status Check

  • The researchers conducted a prospective case-control study in a university hospital for one year by comparing horses with and without gastrointestinal disease.
  • They checked the parasitological status of the horses through fecal analyses for strongyle egg counts and through Polymerase chain reaction (PCR) and serology tests for other parasites.
  • They also gathered information on anthelmintic routines and pasture management through owner-filled questionnaires.

Prevalence of Parasites

  • The prevalence of parasite activity as determined by PCR tests was around 5.5%.
  • However, using enzyme-linked immunosorbent assay (ELISA) tests, researchers found 62% of horses to be positive for specific parasite antibodies, an indicator of past or present infection.
  • Horses with peritonitis, a severe abdominal condition were found to have higher antibody levels for certain parasites compared to other horses with different diagnoses or control group horses.

Anthelmintic Routines and Pasture Management

  • Approximately 36% of horse owners relied solely on fecal egg counts (FEC) for diagnostic measures, 32% used FEC combined with specific diagnostics for other parasites, while 29% dewormed regularly without conducting any prior parasite diagnostics.
  • Effective management methods to reduce the parasitic burden on pastures were scarce.
  • The study indicates high exposure to certain parasites, emphasizing a need for robust education in specific fecal diagnostics and pasture management.

Implications of the Research

  • These findings highlight the need for improved diagnostic methods to detect parasites in horses and the implementation of effective pasture management practices aimed at reducing the animals’ exposure to parasites.
  • The study’s revelations about the widespread practice of deworming without any prior diagnostics indicate the need for improving the knowledge of horse owners on the necessity and usefulness of fecal testing and targeted treatments.
  • Ultimately, this research highlights important areas where veterinary public health interventions can be beneficial to control equine parasites efficiently and reduce gastrointestinal diseases in horses.

Cite This Article

APA
Hedberg-Alm Y, Penell J, Riihimäki M, Osterman-Lind E, Nielsen MK, Tydén E. (2020). Parasite Occurrence and Parasite Management in Swedish Horses Presenting with Gastrointestinal Disease-A Case-Control Study. Animals (Basel), 10(4), 638. https://doi.org/10.3390/ani10040638

Publication

Animals : an open access journal from MDPI
ISSN: 2076-2615
NlmUniqueID: 101635614
Country: Switzerland
Language: English
Volume: 10
Issue: 4
PII: 638

Researcher Affiliations

Hedberg-Alm, Ylva
  • Horse Clinic, University Animal Hospital, Swedish University of Agricultural Sciences, 750 07 Uppsala, Sweden.
Penell, Johanna
  • Division of Veterinary Nursing, Department of Clinical Sciences, Swedish University of Agricultural Sciences, 750 07 Uppsala, Sweden.
Riihimäki, Miia
  • Equine Medicine Unit, Department of Clinical Sciences, Swedish University of Agricultural Sciences, 750 07 Uppsala, Sweden.
Osterman-Lind, Eva
  • National Veterinary Institute, Department of Microbiology, Section for Parasitology diagnostics, 751 89 Uppsala, Sweden.
Nielsen, Martin K
  • Maxwell H. Gluck Equine Research Center, Department of Veterinary Science, University of Kentucky, Lexington, KY 40546, USA.
Tydén, Eva
  • Parasitology Unit, Department of Biomedical Science and Veterinary Public Health, Swedish University of Agricultural Sciences, 750 07 Uppsala, Sweden.

Grant Funding

  • H-15-47-097 / Foundation for Swedish and Norwegian Equine Research

Conflict of Interest Statement

The authors declare no conflict of interest. The funders played no role in the design of the study; in the collection, analyses, or interpretation of data; in writing the manuscript; or in the decision to publish the results.

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