Distribution of gastrointestinal helminths in chicken farms in the Gharb region—Morocco

Gastrointestinal tracts of 300 chickens from three villages of the Gharb region, Morocco, were examined for adult helminths during 2002–2005. Helminth species found were: Notocotylus gallinarum (prevalence 0.7%), Hymenolepis carioca (3.7%), Raillietina echinobothrida (5.7%), Hymenolepis contaniana (7%), Raillietina tretragona (9.3%), Raillietina cesticillus (12%), Capillaria obsignata (6%), Subulura brumpti (15.3%), Heterakis gallinarum (10%), Cheilospirura hamulosa (2.7%), Dispharynx nasuta (5.3%), Ascaridia galli (9%), and Tetrameres sp. (3.3%). The prevalence and mean intensity of helminth infections did not differ significantly between male and female chickens.