Nodular coccidiosis of the pikeperch Stizostedion lucioperca and Volga perch Stizostedion volgensis

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

In early spring, coccidiosis often develops in the gut of pikeperch Stizostedion lucioperca and Volga perch S. volgensis living in Lake Balaton, Hungary. Gamonts and oocysts cause nodular infection of enterocytes in specific portions of the gut. Besides those present in the nodules, merozoites and gamonts occur diffusely in the epithelium of the intestine and the pyloric sacs. The different developmental stages are located in the apical cytoplasm of enterocytes and are released from the cells in unsporulated condition. The sporulation of oocysts takes 48 h in tap-water at 20°C. The oocysts, which are 13-13.5 μm in diameter in an unsporulated state, grow to 17-20 μm by the end of the sporulation process, and ellipsoidal sporocysts composed of 2 valves and containing banana-shaped sporozoites develop in them. On the basis of oocysts derived from pikeperch, the parasite is described as Goussia desseri n. sp.

Original languageEnglish
Pages (from-to)35-41
Number of pages7
JournalDiseases of Aquatic Organisms
Volume27
Issue number1
Publication statusPublished - Oct 17 1996

Fingerprint

Sander lucioperca
sporulation
coccidiosis
perch
oocysts
gametocytes
enterocytes
cytoplasm
developmental stage
parasite
Goussia
digestive system
sporocysts (Protozoa)
merozoites
sporozoites
lake
tap water
Hungary
bananas
intestines

Keywords

  • Apicomplexa
  • Goussia desseri
  • Histology
  • New species
  • Nodular coccidiosis
  • Pikeperch
  • Volga perch

ASJC Scopus subject areas

  • Aquatic Science
  • Ecology

Cite this

Nodular coccidiosis of the pikeperch Stizostedion lucioperca and Volga perch Stizostedion volgensis. / Molnár, K.

In: Diseases of Aquatic Organisms, Vol. 27, No. 1, 17.10.1996, p. 35-41.

Research output: Contribution to journalArticle

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