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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/8379

Title: Pathological findings in Crassostrea rhizophorae from Todos os Santos Bay, Bahia, Brazil
Other Titles: Journal of Invertebrate Pathology
Authors: Nascimento, Iracema Andrade
Smith, Donald H.
Kern, Frederick
Pereira, Solange Andrade
Keywords: Crassostrea rhizophorae;Pathology;Parasitism;Stress;Nematopsis;Sporozoa;Esporozoário
Issue Date: 1986
Publisher: Journal of Invertebrate Pathology
Abstract: Types and frequencies of pathologies were investigated in Crassostrea rhizophorae before and following heavy oyster mortality in Todos OS Santos Bay, Bahia, Brazil. The sporozoan Nematopsis sp. was the only parasite present in sufficient numbers to be an important mortality factor, but the intensity of Nematopsis infections remained low until after the major die-off. Pathologies such as ceroidosis, reduction or loss of stored glycogen, decreased gametogenesis, edema, and metaplasia of the digestive diverticula were consistent with the hypothesis of an external environmental stress factor that may have caused feeding to cease, the resultant weakness contributing to high mortalities.
Description: Texto completo. Acesso restrito. p. 340 - 349
URI: http://www.repositorio.ufba.br/ri/handle/ri/8379
ISSN: 0022-2011
Appears in Collections:Artigos Publicados em Periódicos (Biologia)

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