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Acta Parasitologica

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Volume 60, Issue 1


Wild boar density drives Metastrongylus infection in earthworm

Gábor Nagy
  • Corresponding author
  • Kaposvar University, Faculty of Agricultural and Environmental Sciences, Postal Box 16, 7401 Kaposvár, Hungary;
  • Email
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Ágnes Csivincsik
  • Food-chain Safety and Animal Health Directorate, Government Office of Somogy County, Postal Box 126, 7401 Kaposvár, Hungary
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ László Sugár
  • Kaposvar University, Faculty of Agricultural and Environmental Sciences, Postal Box 16, 7401 Kaposvár, Hungary
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2014-12-30 | DOI: https://doi.org/10.1515/ap-2015-0005


Larvae of Metastrongylus spp. lungworms infect wild boar (Sus scrofa) definitive hosts through earthworms (Lumbricidae). We compared the abundance and Metastrongylus spp. larval infection measures of earthworms between two areas (both in Zselic, Hungary, 2012) characterized by markedly different wild boar population densities. Estimated wild boar density was 0.03 animal/ha in free range area and 1.03 animal/ha in enclosure. The mean abundance of earthworm populations (mostly Allolobophora, Aporrectodea, and Lumbricus spp.) was assessed by analysing 140-140 soil samples. The assesment of Metastrongylus spp. larval infection measures was based on cca 100-100 earthworms derived from the two areas. The abundance of earthworms and their Metastrongylus spp. larval infection measures (prevalence and mean intensity) were significantly lower in the free range than in the enclosure. Furthermore, using a finer scale within the enclosure, we compared wild boar feeding sites (n = 30) to other sites (n = 75). Earthworm populations were significantly more abundant and carried significantly more prevalent and more abundant larval lungworm infections at the former sites. These results suggest that high wild boar density and forage supplementation in enclosures increase both the abundance and the larval Metastrongylus infections of earthworms

Keywords: Wild boar; earthworm; Metastrongylus; density dependence


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About the article

Received: 2014-01-02

Revised: 2014-05-03

Accepted: 2014-08-25

Published Online: 2014-12-30

Published in Print: 2014-03-01

Citation Information: Acta Parasitologica, Volume 60, Issue 1, Pages 35–39, ISSN (Online) 1896-1851, DOI: https://doi.org/10.1515/ap-2015-0005.

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