Reno-, hepato- and splenomegaly of common carp fingerlings (Cyprinus carpio L.) diseased in swimbladder inflammation caused by Sphaerospora renicola Dyková et Lom, 1982

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Abstract

The weight of internal organs (swimbladder, kidney, liver, spleen) in relation to the body weight was studied in common carp fingerlings divided into three groups on the basis of swimbladder appearance and microscopic examination of the kidney. The fish had been collected from different Hungarian fish farms at the time when swimbladder inflammation (SBI) usually occurs (in July and August). The first group comprised fish with severe signs of SBI and massive renal sphaerosporosis, the second group consisted of fish with milder swimbladder changes and/or kidney infection by a low number of Sphaerospora renicola, while the third group was constituted by infection-free common carp fry. Statistical analysis of swimbladder, kidney, liver and spleen weight in relation to the body weight revealed that in the infected groups the internal organs were substantially enlarged. This suggests that in common carp fry with SBI the swimbladder changes are accompanied by reno-, hepato- and splenomegaly.

Original languageEnglish
Pages (from-to)321-329
Number of pages9
JournalActa veterinaria Hungarica
Volume51
Issue number3
DOIs
Publication statusPublished - Jan 1 2003

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Keywords

  • Common carp
  • Hepatomegaly
  • Myxosporea
  • Renomegaly
  • Sphaerospora renicola
  • Splenomegaly
  • Swimbladder inflammation

ASJC Scopus subject areas

  • veterinary(all)

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