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Redescription and molecular characterization of Anoplocephala manubriata, Railliet et al., 1914 (Cestoda: Anoplocephalidae) from a Sri Lankan wild elephant (Elephas maximus).

Authors
  • Perera, K U E1
  • Wickramasinghe, Susiji2
  • Perera, B V P3
  • Bandara, K B A T1
  • Rajapakse, R P V J4
  • 1 Department of Veterinary Pathobiology, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, Sri Lanka. , (Sri Lanka)
  • 2 Department of Parasitology, Faculty of Medicine, University of Peradeniya, Sri Lanka. Electronic address: [email protected] , (Sri Lanka)
  • 3 Elephant Transit Home, Department of Wildlife Conservation, Udawalawe, Sri Lanka. , (Sri Lanka)
  • 4 Department of Veterinary Pathobiology, Faculty of Veterinary Medicine and Animal Science, University of Peradeniya, Sri Lanka. Electronic address: [email protected] , (Sri Lanka)
Type
Published Article
Journal
Parasitology international
Publication Date
Jun 01, 2017
Volume
66
Issue
3
Pages
279–286
Identifiers
DOI: 10.1016/j.parint.2017.02.007
PMID: 28257950
Source
Medline
Keywords
License
Unknown

Abstract

The present work provides a detailed morphological and molecular description of Anoplocephala manubriata in elephants. Adult worms were recovered during an autopsy of a wild elephant in Elephant Transit Home, Udawalawe, Sri Lanka. Necropsy findings revealed a severe cestode infection in the small intestine. These tapeworms were tightly attached to the intestinal mucosae, resulted in hyperemic thickened intestinal mucosae, variable size irregular well-demarcated multifocal ulcerative regions sometimes covered with necrotic membranes and variable size, diffuse, well-demarcated raised nodular masses were evident in the small intestine. The article provides an account of the biology of A. manubriata and a comparative analysis of the morphology and morphometrics of Anoplocephala species that occur in different hosts. Phylogenetic analysis of the second internal transcribed spacer region (ITS-2), a portion of the 28S region and cytochrome oxidase subunit 1 (COX1) genes revealed that A. manubriata is closely associated with Anoplocephala species in horse in comparison to other Anoplocephalines. This study will enhance the current knowledge in taxonomy of elephant tapeworms and contribute to future phylogenetic studies.

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