Changes

==Characteristics==

==Characteristics==

'''Eggs'''

'''Eggs'''<br/>

The eggs of '' Trichuris species are brown in colour and are bioperculated (have a plug in each end). They are hardy eggs and in the correct coonditions can survive on pasture for up to 12 years. The ''Trichuris'' embryo develops inside the egg and is infective as the 1st larval stage living within the egg.

The eggs of '' Trichuris species are brown in colour and are bioperculated (have a plug in each end). They are hardy eggs and in the correct coonditions can survive on pasture for up to 12 years. The ''Trichuris'' embryo develops inside the egg and is infective as the 1st larval stage living within the egg.<br/>

'''Larvae'''

'''Larvae'''<br/>

Hatch from the egg into the small intestine and there grow and moult until the reach adulthood.  

Hatch from the egg into the small intestine and there grow and moult until the reach adulthood.<br/>

'''Adult'''  

'''Adult''' <br/>

Attach to the mucosa of the large intesitine.

Attach to the mucosa of the large intesitine.<br/>

==Life Cycle==

==Life Cycle==