
	Pakistan Journal of Biological Sciences
	Year: 2004 \| Volume: 7 \| Issue: 3 \| Page No.: 305-308 DOI: 10.3923/pjbs.2004.305.308

Effect of Some Water Pollutants on the Biology of the Nile Bolti, Oreochromis niloticus

K.K. Barakat

Abstract: Samples of water and Oreochromis niloticus fish were collected from El-Mahmoudya channel near Alexandria for contaminants determination. The data show that El Mahmoudya channel water includes relatively high levels of Fe, Cu and chlordane and much higher levels of Zn and lindane. Most of the dissolved, metals and organic contaminants or their metabolites were monitored in the fish and then eggs. The above pollutants were found to affect spawning behaviour and duration. The average number of eggs per spawn were higher in the control groups than the contaminated ones. The residue levels monitored in the eggs affected the fry survival of the Nile fish.

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How to cite this article:

K.K. Barakat , 2004. Effect of Some Water Pollutants on the Biology of the Nile Bolti, Oreochromis niloticus . Pakistan Journal of Biological Sciences, 7: 305-308.

DOI: 10.3923/pjbs.2004.305.308

URL: https://scialert.net/abstract/?doi=pjbs.2004.305.308

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