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{{Taxobox

{{Taxobox

|name              =''Scientific Classification''

|name              =''Scientific Classification''

Adult ''A. galli'' are semi-transparent, have three prominent lips in their oral openings and are the '''biggest nematodes found in poultry'''. Females range from 72 to 116 mm in length and their reproductive organ opens in the middle of the body. Their eggs are oval, with smooth shells and measure 73-92 by 45-57 µm. Even if the eggs of [[Heterakis#Heterakis gallinarum|

Adult ''A. galli'' are semi-transparent, have three prominent lips in their oral openings and are the '''biggest nematodes found in poultry'''. Females range from 72 to 116 mm in length and their reproductive organ opens in the middle of the body. Their eggs are oval, with smooth shells and measure 73-92 by 45-57 µm. Even if the eggs of [[Heterakis#Heterakis gallinarum|

''H. gallinarum'']] have slightly smaller and parallel sides<ref name="Soulsby">Soulsby EJL (1982) '''Helminths, arthropods and protozoa of domesticated animals. '''''Helminths, arthropods and protozoa of domesticated animals''., Ed. 7:xi + 809 pp.44; [many fig., 260 x 195 mm]; many ref.</ref>, they can almost not be distinguished from ''A. galli'' eggs.. Males vary from 51 to 76 mm in length and they have pre-anal suckers and two equal spicules of 1-2.4 mm long.  

''H. gallinarum'']] have slightly smaller and parallel sides<ref name="Soulsby">Soulsby EJL (1982) '''Helminths, arthropods and protozoa of domesticated animals. '''''Helminths, arthropods and protozoa of domesticated animals''., Ed. 7:xi + 809 pp.44; [many fig., 260 x 195 mm]; many ref.</ref>, they can almost not be distinguished from ''A. galli'' eggs. Males vary from 51 to 76 mm in length and they have pre-anal suckers and two equal spicules of 1-2.4 mm long.  

Compared to  ''A. galli,  A. dissimilis'' is slightly bigger and ''A. columbae'' is slightly smaller.

Compared to  ''A. galli,  A. dissimilis'' is slightly bigger and ''A. columbae'' is slightly smaller.

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This article has been expert reviewed by Prof Matthias Gauly

{{Matthias Gauly

[[Category:Ascaridoidea]]

[[Category:Ascaridoidea]]

[[Category:Alimentary Diseases - Birds]]

[[Category:Alimentary Diseases - Birds]]

[[Category:Reproductive Diseases - Birds]]

[[Category:Reproductive Diseases - Birds]]

[[Category:CABI Expert Review Completed]]

[[Category:CABI Expert Review Completed]][[Category:CABI AHPC Pages]]