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. |