Paramphistome spp
Synonym(s): Rumen fluke, Paramphistomum, Bothriophoron, Calicophoron, Carmyerius, Cotylophoron, Giganocotyle and Orthocoelium
Introduction
Classification
Taxonomy
- Phylum: platyhelminthes.
- Class: trematoda.
- Subclass: digenea.
- Family: paramphistomidae.
- Genera: paramphistomum - most common and widespread genera: Bothriophoron, Calicophoron, Carmyerius, Cotylophoron, Giganocotyle and Orthocoelium.
- Species: varies geographically (see below).
Distribution
- Calicophoron daubneyi (synonym: paramphistomum daubneyi) is probably the most clinically significant species in Europe.
- Can be found as co-infection with Fasciola hepatica Fasciola hepatica.
- Paramphistomum microbothrium is a significant species in Africa.
- Paramphistomum cervi (synonym: Paramphistomum explanatum) is thought to be found worldwide, but its clinical significance is limited to tropical and sub-tropical regions.
Significance
- Severe clinical disease historically confined to sub-tropical regions (P. cervi).
- Clinical disease is increasingly recognised in temperate regions (C. daubneyi).
- Possible sub-clinical impact on growth rates, feed conversion and milk yields.
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Clinical Effects
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Diagnosis
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Further Reading
Publications
Refereed Papers
- Recent references from PubMed and VetMedResource.
- Duignan G, Fagan J, Cepta J & Casey M (2017) Diagnosing acute larval paramphistomosis in ruminants. Vet Rec 180 (25).
- Huson K M, Oliver N A M & Robinson M W (2017) Paramphistomosis of Ruminants: An Emerging Parasitic Disease in Europe. Trends in Parasitology 33 (11) pp 836–844.
- Chryssafidis, Lazaros A, Fu Y, De Waal T & Mulcahy G (2015) Standardisation of egg-viability assays for Fasciola hepatica and Calicophoron daubneyi: A tool for evaluating new technologies of parasite control. Vet Parasitol 210 pp 25-31.
- Arias M S, Sanchis J, Francisco I, Francisco R, et al (2013) The efficacy of four anthelmintics against Calicophoron daubneyi in naturally infected dairy cattle. Vet Parasitol 197 pp 126-9.
- De Waal T (2010) Paramphistomum – a brief review. Ir Vet J 63 (5), 313–316.
- Abrous M, Rondelaud D & Dreyfuss G (1999) Paramphistomum daubneyi and Fasciola hepatica: influence of temperature changes on the shedding of cercariae from dually infected Lymnaea truncatula. Parasitol Res 85, 765-9.
Other sources of information
- Taylor M A, Coop R L & Wall R L (2016) Veterinary Parasitology. 4th Edn. John Wiley & Sons Inc, UK.
- Elsheikha H M, Khan N (2011) Essential of Veterinary Parasitology. 1st Edn. Caister Academic Press, UK.