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In page Taenia asiatica:

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Pigs and wild boars ingest the infective embryo while grazing. The digestive enzymes will break the thick shell of the egg and allow formation of the zygotes called "oncospheres". These oncospheres then penetrate the mucous layer of the digestive tract and enter the circulation of the host. This is where the young larval stages form a pea-sized, fluid filled cyst, also known as “cysticercus”, which migrate to visceral organs like liver, serosa and lungs in pigs, and liver in cattle.[4] In contrast to T. saginata, the larval development is short, taking about four weeks. Cystecerci have a predilection for liver.[5]