In the life cycle of liver fluke, the sheeps get infected when they ingest ___________.
A
Encysted cercariae
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B
Miracidia
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C
Sporocyst
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D
Rediae
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Solution
The correct option is B Encysted cercariae The cercariae migrate onto wet herbage, encysting as metacercariae, the highly resilient infective stage of the liver fluke.
The infection is patent about 10-12 weeks after the metacercariae are ingested.