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The prepatent period is 40-50 days.
The prepatent period is 40-50 days.
==''O. columbianum''==
{| cellpadding="10" cellspacing="0" border="1"
| Also known as:
| '''Nodular worm
|-
|}
==Hosts==
Sheep and goats.
==Identification==
The adults are large thin worms around 2cm in length. The male has a large, well developed bursa.
==Life Cycle==
Infection is by ingestion of the L3, which pass into the small or large intestine, and burrow in the mucosal wall forming nodules. The larvae then develop into L4 and move to the colon, where they fully mature into adults.
The prepatent period is around 45 days.
==''O. venulosum''==
{| cellpadding="10" cellspacing="0" border="1"
| Also known as:
| '''Oesophagostomum viginimembrum
|-
|}
[[Category:Strongyloidea]]
[[Category:Strongyloidea]]
[[Category:Pig_Nematodes]]
[[Category:Pig_Nematodes]]
[[Category:To_Do_-_Max]]
[[Category:To_Do_-_Max]]