TABLE 05: Common Helminths of Poultry

	Parasite Host Intermediate Host or Life Cycle Organ Infected Pathogenicity Nematodes Amidostomum anseris Duck, goose, pigeon Direct Gizzard Severe Ascaridia dissimilis Turkey Direct Small intestine Moderate Ascaridia galli Chicken, turkey, duck, quail Direct Small intestine Moderate Capillaria caudinflata (columbae) Chicken, turkey, duck, game birds, pigeon Earthworms Small intestine Moderate to severe Capillaria contorta (annulata) Chicken, turkey, duck, game birds None or earthworms Mouth, esophagus, crop Severe Capillaria obsignata Chicken, turkey, goose, pigeon, quail Direct Small intestine, ceca Severe Cheilospirura hamulosa Chicken, turkey, game birds Grasshoppers, beetles Gizzard Moderate Cyathostoma bronchialis Turkey, duck Direct or earthworm Trachea Severe Cyrnea colini Turkey, game birds Cockroaches Proventric ulus Mild Dispharynx nasuta Chicken, turkey, game birds, pigeon Sowbugs Proventric ulus Moderate to severe Gongylonema ingluvicola Chicken, game birds Beetles, cockroaches Crop, esophagus, proventri culus Mild Heterakis gallinarum Chicken, turkey, duck, game birds Direct Ceca Mild, but transmits agent of histomoniasis Heterakis isolonche Quail, duck, pheasant Direct Ceca Severe Ornitho- strongylus quadriradiatus Pigeon, dove Direct Small intestine Severe Oxyspirura mansoni Chicken, turkey, guinea fowl, quail Cockroaches Eye Moderate Strongyloides avium Chicken, turkey, quail, goose Direct Ceca Moderate Subulura brumpti Chicken, turkey, duck, game birds Earwigs, grasshoppers, beetles, cockroaches Ceca Mild Syngamus trachea Chicken, turkey, pheasant, quail None or earthworm Trachea Severe Tetrameres americana Chicken, turkey, duck, game birds, pigeon Grasshoppers, cockroaches Proventri culus Moderate to severe Trichostrongylus tenuis Chicken, turkey, duck, game birds, pigeon Direct Ceca Severe Cestodes Choanotaenia infundibulum Chicken House flies Upper intestine Moderate Davainea proglottina Chicken Slugs, snails Duodenum Severe Metroliasthes lucida Turkey Grasshoppers Intestine Unknown Raillietina cesticillus Chicken Beetles Duodenum, jejunum Mild Raillietina echinobothrida Chicken Ants Lower intestine Severe, nodules Raillietina tetragona Chicken Ants Lower intestine Severe

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