Life cycle of Uncinaria lucasi Stiles, 1901 (Nematoda: Ancylostomatidae) of fur seals, callorhinus ursinus Linn., on the Pribilof Islands, Alaska.

摘要: Publisher Summary This chapter discusses the life cycle of Uncinaria lucasi in fur seals, which consists three basic parts: (1) free-living phase with eggs and third-stage larvae soil, (2) tissue wherein parasitic occur all age groups (3) intestinal consisting fourth-stage larvae, adolescent, adult worms occurring intestine young pups. Infection seals is primarily by percutaneous route but may per os, entry being mainly through flippers. pups are passed postpartum milk for only a short time. Almost seal born on Pribilof Islands become infected hookworms ileo-caecal region time they two weeks old. unique among those known helminthes that very pups, infective stage develops to adulthood transmitted during first few days only.