Encyclopedia of Parasitology

Living Edition
| Editors: Heinz Mehlhorn

Paramphistomum cervi

  • Heinz Mehlhorn
Living reference work entry
DOI: https://doi.org/10.1007/978-3-642-27769-6_2307-2


Greek: para = besides, similar; amphi = on both sides; stoma = mouth. Latin: cervus = stag. English: rumen fluke. The name refers to the two suckers being situated at the anterior and posterior pole.

Geographic Distribution/Epidemiology


Morphology/Life Cycle

These hermaphroditic worms reach a size of 13 × 5 mm and live in the rumen of cattle but also in other grass feeding vertebrates (sheep, goats, buffaloes, wild animals). The adult worms are characterized by two ventrally arranged suckers (Figs. 1, 2, and 3). The very large eggs (180 μm × 100 μm) are found in the feces and develop within 10–20 days a miracidium larva (Fig. 1). First intermediate hosts are water snails (genera Anisus, Planorbis). After about 5 weeks, cercariae were set free in water ponds. These cercariae become attached at plants in or at the border of ponds and form encysted metcercariae. After ingestion, these metacercariae are first attached at the epithelium of the duodenum, from where they...


Drinking Water Oral Uptake Intermediate Host Wild Animal Adult Worm 
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Further Reading

  1. Panyarachun B et al (2010) Paramphistomum cervi: surface topography of the tegument of adult fluke. Exp Parasitol 125:95–99CrossRefPubMedGoogle Scholar
  2. Saowakon N et al (2013) Paramphistomum cervi: the in vitro effect of plumbagin on motility, survival and tegument structure. Exp Parasitol 133:179–186CrossRefPubMedGoogle Scholar
  3. Zahir AA et al (2012) Evaluation of medicinal plant extracts and isolated compound epicatechin from Ricinus communis against Paramphistomum cervi. Parasitol Res 111:1629–1635CrossRefPubMedGoogle Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 2015

Authors and Affiliations

  1. 1.Institut für Zoomorphologie, Zellbiologie und ParasitologieHeinrich-Heine-UniversitätDüsseldorfGermany