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==Overview==
==Overview==
[[Image:Capilaria.jpg|thumb|right|150px|''Capillaria'' - Courtesy of the Laboratory of Parasitology, University of Pennsylvania School of Veterinary Medicine]]
[[Image:Capilaria.jpg|thumb|right|150px|''Capillaria'' - Courtesy of the Laboratory of Parasitology, University of Pennsylvania School of Veterinary Medicine]]
''Capillaria spp.'' are similar to other members of the Trichuroidea superfamily such as ''Trichuris'' but with slight differences in morphology of the anterior and posterior ends. Although they are found in domestic mammals these species are of greatest importance in birds. The predilection sites vary between species and are not restricted to the gastrointestinal system. Important species include; ''C. annulata'', ''C. anatis'' and ''C. contorta''.
''Capillaria spp.'' are similar to other members of the Trichuroidea superfamily such as ''Trichuris'' but with slight differences in morphology of the anterior and posterior ends. Although they are found in domestic mammals and some reptiles these species are of greatest importance in birds. The predilection sites vary between species and are not restricted to the gastrointestinal system. Important species include; ''C. annulata'', ''C. anatis'' and ''C. contorta''.
==Identification==
==Identification==
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As with ''C. annulata'' this species is found in the oesophagus and crop of domestic poultry and many wild birds. Both the adults and the eggs of this species are smaller in size but the general morphology remains the same. The earthworm is normally the intermediate host but it is possible for this species to have a direct life cycle with the L1 embryonated egg as the infective stage. Clinical signs are rare with low levels of infection though they can be associated with a loss in productivity, high parasite burdens will result in emaciation and anaemia and can be fatal. The primary epidemiological concern with this parasite is its ability to have a direct life cycle and so birds kept indoors and away from the intermediate host may still become infected.
*''Capillaria aerophila'' in [[Respiratory Parasitic Infections - Pathology#Capillaria aerophila|respiratory disease]] of cats and dogs[[Category:Trichinelloidea]]
*''Capillaria aerophila'' in [[Respiratory Parasitic Infections - Pathology#Capillaria aerophila|respiratory disease]] of cats and dogs[[Category:Trichinelloidea]]