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Morphological description of Taenia saginata asiatica (Cyclophyllidea: Taeniidae) from man in Asia

  • P.C. Fan (a1), C.Y. Lin (a1), C.C. Chen (a1) and W.C. Chung (a2)
Abstract
Abstract

In order to clarify the taxonomic status of the Taenia saginata-like tapeworm in East Asia, the morphological characteristics of the adult and cysticercus of classical T. saginata (American, Swiss and Poland strains) and the Taiwan Taenia were compared in the present study. The morphologic characteristics of these two parasites are very similar. The protoscolex of cysticercus of the Taiwan Taenia has a sunken rostellum while that of classical T. saginata has only an apical pit. In addition, the rostellum of the Taiwan Taenia cysticercus is usually surrounded by two rows of rudimentary hooklets. However, this structure is rarely found in classical T. saginata. Based on the results of molecular studies and morphological characteristics, the T. saginata-like tapeworm in East Asia represents a subspecies of T. saginata, named T. saginata asiatica

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K.S. Eom & H.J. Rim (1992a) Natural infections of Asian Taenia saginata metacestodes in the livers of Korean domestic pigs. Korean Journal of Parasitology 30, 2124.

K.S. Eom & H.J. Rim (1993) Morphologic descriptions of Taenia asiatica sp. n. Korean Journal of Parasitology 31, 16.

P.C. Fan (1988) Taiwan Taenia and taeniasis. Parasitology Today 4, 8688.

P.C. Fan , C.Y. Lin , M.L. Kosman & E. Kosin (1989b) Experimental infection of Indonesia Taenia (Samosir strain) in domestic animals. International Journal for Parasitology 19, 809812.

P.C. Fan , W.C. Chung , C.Y. Lin & C.C. Wu (1990a) Experimental studies of Thailand Taenia (Chiengmai strain) infection in domestic animals. International Journal for Parasitology 20, 121123.

P.C. Fan , C.Y. Lin & W.C. Chung (1992b) Experimental infection of Philippine Taenia in domestic animals. International Journal for Parasitology 22, 235238.

T.W. Schilihorn Van Veen (1979) The occurrence of Cysticercus bovis in cattle livers. Veterinary Record 104,370.

D.S. Zarlenga , D.P. McManus , P.C. Fan & J.H. Cross (1991) Characteristization and detection of a newly described Asian taeniid using cloned ribosomal DNA fragments and sequence amplification by the polymerase chain reaction. Experimental Parasitologij 72, 174183.

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Journal of Helminthology
  • ISSN: 0022-149X
  • EISSN: 1475-2697
  • URL: /core/journals/journal-of-helminthology
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