485
edits
Changes
Jump to navigation
Jump to search
no edit summary
''Ostertagia spp.'' are small bursate nematodes that parasitse the gastrointestinal tract of mammals and birds. These species are responsible for mortality and morbidity in a number of ruminants especially ''O. ostertagi'' which is widely considered the most important parasite of cattle.
''Ostertagia spp.'' are small bursate nematodes that parasitse the gastrointestinal tract of mammals and birds. These species are responsible for mortality and morbidity in a number of ruminants especially ''O. ostertagi'' which is widely considered the most important parasite of cattle.
==''Ostertagia ostertagi''==
{| cellpadding="5" cellspacing="0" border="1"
{| cellpadding="5" cellspacing="0" border="1"
| Also known as:
| Also known as:
|-
|-
|}
|}
====Identification====
The adult ''O. ostertagi'' worms are thread like, reddish worms with short buccal cavities. The males can measure 6-8mm, the females 8-9mm. There are several [[Nematodes - Structure and Function|cuticle morphologies]] used to identify these worms at a microscopic level.
==== Life-Cycle ====
==== Life-Cycle ====