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Occurrence of bacterial pollution indicators in Boulti (Tilapia nilotica Linn.) fish

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Zusammenfassung

Es wird über das Auftreten von coliformen Bakterien und Bakterien der Streptokokkengruppe auf der Haut (32 Proben), den Kiemen (32 Proben), im Verdauungstrakt (4 Proben) sowie im frischen Fischfleisch (4 Proben) vonTilapia nilotica Linn., einem Frischwasserfisch aus dem Nassersee in Aswan berichtet.

Streptokokken wurden in 13 Proben der Fischoberfläche, 12 Proben der Kiemenabstriche sowie in allen Darmproben und den Proben aus rohem Fischfleisch gefunden. Coliforme Organismen befanden sich in fast 43% der Haut- und Kiemenproben sowie in allen Proben des Darmtraktes und des rohen Fischfleisches.

Summary

A study was made for the occurrence of coliform and streptococcal groups on the skin surface (32 samples), gills (32 samples), intestinal tract (4 samples) and raw fish flesh (4 samples) and raw fish flesh (4 samples) of Boulti fish (Tilapia nilotica Linn.), a fresh water fish caught from Nasser's Lake in Aswan.

Streptococcus group was detected in 13 samples taken from fish surface, 12 samples out of 32 swabs from gills. All intestine samples and raw fish flesh were positive for the streptococcus group.

Coliform organisms were detected at nearly 43 % of skin or gill samples, 100 % of intestine and raw fish flesh samples.

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Author notes

  1. H. T. El-Zanfaly

    Present address: Water Pollution Control Lab., National Research Centre, Dokki, Cairo, Egypt

  2. A. A. Ibrahim

    Present address: Food Technology Lab., National Research Centre, Dokki, Cairo, Egypt

Authors and Affiliations

  1. Water Pollution Control Lab., National Research Centre, Dokki, Cairo, Egypt

    A. A. Ibrahim

  2. Food Technology Lab., National Research Centre, Dokki, Cairo, Egypt

    H. T. El-Zanfaly

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  1. H. T. El-Zanfaly
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  2. A. A. Ibrahim
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El-Zanfaly, H.T., Ibrahim, A.A. Occurrence of bacterial pollution indicators in Boulti (Tilapia nilotica Linn.) fish. Z Ernährungswiss 21, 246–253 (1982). https://doi.org/10.1007/BF02028816

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  • DOI: https://doi.org/10.1007/BF02028816

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