'''''A. galli''''', '''''A. dissimilis''''' and '''''A. columbae''''' are nematodes that occur in the '''small intestine''' of '''poultry'''. They can affect the '''reproductive system''' and in heavy infections, cause '''partial or total obstruction''' of the '''duodenum/jejunum'''. | '''''A. galli''''', '''''A. dissimilis''''' and '''''A. columbae''''' are nematodes that occur in the '''small intestine''' of '''poultry'''. They can affect the '''reproductive system''' and in heavy infections, cause '''partial or total obstruction''' of the '''duodenum/jejunum'''. |