Changes

The intermediate hosts are water snails, and these shed '''cercariae''' which later form '''metacercariae''' on vegetation.

The intermediate hosts are water snails, and these shed '''cercariae''' which later form '''metacercariae''' on vegetation.

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.

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.

[[Category:Trematodes]]

[[Category:Trematodes]]

[[Category:To_Do_-_Parasites]]

[[Category:To_Do_-_Parasites]]