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Veterinary research communications1995; 19(6); 487-494; doi: 10.1007/BF01839337

The prevalence and epidemiology of Anoplocephala perfoliata infection in Norway.

Abstract: The caecum and the adjacent 30 cm lengths of ileum and large colon of 201 horses from two different regions of Norway (Ostlandet and Trøndelag) were examined for the presence of Anoplocephala perfoliata. In all, 20% of the horses were infested with the cestode (27% in Ostlandet and 7% in Trøndelag). The mean number of worms in infected horses from the two regions was 18 and 6, respectively. Information was obtained on the age, sex, breed, type of pasture and anthelmintic treatment after the grazing season for 183 of the 20 horses. The degree of infestation with A. perfoliata was not influenced by age, breed or sex. The odds ratio (confidence limits) for using permanent pastures that had been grazed by horses for at least the 5 last years in succession was 8.8 (3.2-24.4). There was a significantly higher prevalence of A. perfoliata infestation in Ostlandet (odds ration 3.1 (1.1-9.1). The relatively low prevalence of A. perfoliata infestation in Norwegian horses compared to the reported prevalences in other countries and the differences in the prevalence between Ostlandet and Trøndelag are discussed. Gross pathological examination identified lesions such as mucosal thickening, hyperaemia and/or erosions. These lesions were found in all of the infected horses, compared with only 5% of the non-infected horses. Examination of faecal samples from 26 of the infected horses detected cestode eggs in only three cases. It was concluded that faecal examination is an inadequate method for the diagnosis of A. perfoliata infestation.
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Publication Date: 1995-01-01 PubMed ID: 8619287DOI: 10.1007/BF01839337Google Scholar: Lookup
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  • Non-U.S. Gov't

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.

This research investigates the presence of a cestode parasite Anoplocephala perfoliata in horses in two regions of Norway, noting the prevalence and factors influencing infestation. The study also evaluates the effectiveness of faecal examinations in diagnosing the infection.

Study and Methodology

  • The study evaluated 201 horses from two different regions in Norway, Ostlandet and Trøndelag, for infection of Anoplocephala perfoliata, a type of cestode parasite, commonly known as a tapeworm.
  • The research focused on examining the caecum and adjacent lengths of the ileum and large colon in these horses.
  • Data were gathered on various factors such as horse age, sex, breed, type of pasture, and their anthelmintic, or anti-parasitic, treatment after the grazing season.

Findings

  • Around 20% of the total horses were found infected with the parasite, with regional variations of 27% in Ostlandet and 7% in Trøndelag.
  • The average number of cestodes in infected horses varied in the two regions, with 18 in Ostlandet and 6 in Trøndelag.
  • There was no substantial evidence to link A. perfoliata infestation with age, breed, or sex of the horses.
  • The study found a high odds ratio (8.8) for horses grazing on permanent pastures that had a history of being used by horses for at least the last five consecutive years. This suggests a higher likelihood of A. perfoliata infestation in such pastures.
  • The research observed a significantly greater infestation occurrence in Ostlandet, demonstrated by an odds ratio of 3.1.

Comparisons and Diagnostics

  • The study discussed the relatively low prevalence of A. perfoliata infestation in Norwegian horses compared to other countries, suggesting regional differences.
  • Gross pathological examination of the infected horses found all of them with consistent lesions, such as thickening of the mucosal layer, hyperemia, or increased blood flow, and erosions. These contrasts with only 5% such observations in non-infected horses.
  • Only 3 out of 26 fecal samples from infected horses revealed the presence of cestode eggs. This finding led to the conclusion that a fecal examination may not be a reliable diagnostic method for A. perfoliata infestation.

Cite This Article

APA
Ihler CF, Rootwelt V, Heyeraas A, Dolvik NJ. (1995). The prevalence and epidemiology of Anoplocephala perfoliata infection in Norway. Vet Res Commun, 19(6), 487-494. https://doi.org/10.1007/BF01839337

Publication

Veterinary research communications
ISSN: 0165-7380
NlmUniqueID: 8100520
Country: Switzerland
Language: English
Volume: 19
Issue: 6
Pages: 487-494

Researcher Affiliations

Ihler, C F
  • Department of Large Animal Sciences, Norwegian College of Veterinary Medicine, Oslo, Norway.
Rootwelt, V
    Heyeraas, A
      Dolvik, N J

        MeSH Terms

        • Animals
        • Anthelmintics / therapeutic use
        • Cecum / parasitology
        • Cecum / pathology
        • Cestoda / isolation & purification
        • Cestode Infections / drug therapy
        • Cestode Infections / epidemiology
        • Cestode Infections / veterinary
        • Chi-Square Distribution
        • Colon / parasitology
        • Colon / pathology
        • Feces / parasitology
        • Horse Diseases / drug therapy
        • Horse Diseases / epidemiology
        • Horse Diseases / parasitology
        • Horses
        • Ileum / parasitology
        • Ileum / pathology
        • Intestinal Diseases, Parasitic / drug therapy
        • Intestinal Diseases, Parasitic / epidemiology
        • Intestinal Diseases, Parasitic / veterinary
        • Logistic Models
        • Norway / epidemiology
        • Odds Ratio
        • Prevalence
        • Risk Factors
        • Seasons
        • Surveys and Questionnaires

        References

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        Citations

        This article has been cited 5 times.
        1. Matthews JB, Peczak N, Lightbody KL. The Use of Innovative Diagnostics to Inform Sustainable Control of Equine Helminth Infections. Pathogens 2023 Oct 11;12(10).
          doi: 10.3390/pathogens12101233pubmed: 37887749google scholar: lookup
        2. Tomczuk K, Kostro K, Grzybek M, Szczepaniak K, Studzińska M, Demkowska-Kutrzepa M, Roczeń-Karczmarz M. Seasonal changes of diagnostic potential in the detection of Anoplocephala perfoliata equine infections in the climate of Central Europe. Parasitol Res 2015 Feb;114(2):767-72.
          doi: 10.1007/s00436-014-4279-9pubmed: 25540105google scholar: lookup
        3. Rehbein S, Visser M, Winter R. Prevalence, intensity and seasonality of gastrointestinal parasites in abattoir horses in Germany. Parasitol Res 2013 Jan;112(1):407-13.
          doi: 10.1007/s00436-012-3150-0pubmed: 23052780google scholar: lookup
        4. Getachew AM, Innocent G, Proudman CJ, Trawford A, Feseha G, Reid SW, Faith B, Love S. Equine cestodosis: a sero-epidemiological study of Anoplocephala perfoliata infection in Ethiopia. Vet Res Commun 2012 Jun;36(2):93-8.
          doi: 10.1007/s11259-012-9516-zpubmed: 22294318google scholar: lookup
        5. Slocombe JO. A modified critical test for the efficacy of pyrantel pamoate for Anoplocephala perfoliata in equids. Can J Vet Res 2004 Apr;68(2):112-7.
          pubmed: 15188955
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