Complete developmental cycle of Myxobolus pseudodispar (Gorbunova) (Myxosporea: Myxobolidae)

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Abstract

Myxobolus pseudodispar (Gorbunova) is a common parasite of the muscle of roach, Rutilus rutilus L., whereas its actinosporean development occurs in two oligochaete alternate hosts. This paper reports the complete developmental cycle of this parasite in the oligochaete alternate host Tubifex tubifex and the roach. In laboratory experiments, parasite-free T. tubifex specimens were infected by myxospores of M. pseudodispar collected from roach in Lake Balaton. Parasite-free roach fingerlings were infected with floating triactinospores (TAMs) released from oligochaetes on day 69 after challenge. Young plasmodia and spores in roach were first recorded on day 80 post-exposure (p.e.). Myxospores collected from experimentally infected roach initiated a new development in T. tubifex and the resulting TAMs infected roach. No infection of roach resulted from feeding oligochaetes containing mature triactinospores.

Original languageEnglish
Pages (from-to)461-468
Number of pages8
JournalJournal of fish diseases
Volume24
Issue number8
DOIs
Publication statusPublished - Oct 29 2001

Keywords

  • Alternate hosts
  • Experimental infection
  • Life cycle
  • Myxobolus pseudodispar
  • Myxosporea
  • Rutilus rutilus
  • Tubifex tubifex

ASJC Scopus subject areas

  • Aquatic Science
  • veterinary (miscalleneous)

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