Life cycle of Davainea proglottina

 Davainea proglottina

Predilection site: Small intestine, particularly the duodenum

Final hosts: Chicken, turkey, pigeon and other galli[1]naceous birds

Intermediate hosts: Gastropod molluscs such as Agriolimax, Arion, Cepaea and Limax

Life cycle: Gravid proglottids are shed in faeces and eggs are ingested by various gastropod molluscs, in which they develop to the cysticercoid stage after about 3 weeks. Following ingestion of the mollusc by the final host, the cysticercoids develop into adult tapeworms in about 2 weeks.




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