Changes

== ''Paramphistomum'' Species ==

== ''Paramphistomum'' Species ==

[[Image:Paramphistomum cervi.jpg|right|150px|thumb|''Paramphistomum cervi'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]

[[Image:Paramphistomum cervi.jpg|right|150px|thumb|''Paramphistomum cervi'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]

*Paramphistomomes are rare in the UK, but can cause severe losses in ruminants in the wet tropics.

*Paramphistomomes are rare in the UK, but can cause severe losses in ruminants in the wet tropics  

*The adult fluke is plump and cylindrical (unusual for a trematode) and attaches to the wall of the rumen without causing serious damage.

*The adult fluke is plump and cylindrical (unusual for a trematode)  

*The eggs are like those of ''Fasciola'', but are colourless.

*It attaches to the wall of the rumen without causing serious damage  

*The intermediate hosts are water snails.

*The eggs are like those of ''Fasciola'', but are colourless  

*These shed cercariae that form metacercariae on vegetation.

*The intermediate hosts are water snails  

*Disease occurs if metacercariae are eaten in large numbers.

**These shed cercariae that form metacercariae on vegetation  

*Enteritis and diarrhoea result when immature flukes migrate along the small intestine (where the metacercariae excyst) towards the rumen.

*Disease occurs if metacercariae are eaten in large numbers

*Enteritis and diarrhoea result when immature flukes migrate along the small intestine (where the metacercariae excyst) towards the rumen