| ascaridia | A genus of nematode worms. A. Galli and a. Lineata are important intestinal parasites of domestic fowl. (12 Dec 1998) |
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| Ascaridia galli | A species abundant in the small intestine of chickens, turkeys, geese, guinea fowl, and many wild birds in most parts of the world. (05 Mar 2000) |
| ascaridiasis | Infection with nematodes of the genus ascaridia. This condition usually occurs in fowl, often manifesting diarrhoea. (12 Dec 1998) |