The inter-relationship of water quality parameters and fish parasite occurrence [electronic reource].

By: Contributor(s): Language: English Summary language: Arabic Description: p. 97-106Uniform titles:
  • Alexandria journal of veterinary science, 2018 v. 59 (1) [electronic reource].
Subject(s): Online resources: In: Alexandria Journal of Veterinary Science 2018.v.59(1)Summary: This study investigated the composition and structure of parasitic communities of Oreochromus niloticus with respect to levels of water quality in three ecosystems. A total of 360 O.niolticus were examined from three water courses. Idku lake (moderately polluted), Edfina; Natural Nile resources (polluted) and Mariout lake (severely polluted). Water samples were collected for determination of some water quality parameters and the concentration of heavy metals. Trematodes, monogenes, protozoa, crustacea and acanthocephalan were found in all sample except Mariout lake where Acanthocephala and metacercaria of Clinostomum were completely absent. Ciliated protozoa predominated the parasitic infestation. The results also indicated that there was an inverse relationship between fish parasites communities and water quality parameters.
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This study investigated the composition and structure of parasitic communities of Oreochromus niloticus with respect to levels
of water quality in three ecosystems. A total of 360 O.niolticus were examined from three water courses. Idku lake (moderately polluted),
Edfina; Natural Nile resources (polluted) and Mariout lake (severely polluted). Water samples were collected for determination of some water
quality parameters and the concentration of heavy metals. Trematodes, monogenes, protozoa, crustacea and acanthocephalan were found in all
sample except Mariout lake where Acanthocephala and metacercaria of Clinostomum were completely absent. Ciliated protozoa predominated the
parasitic infestation. The results also indicated that there was an inverse relationship between fish parasites communities and water
quality parameters.

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