BIOLOGICAL EVALUATION OF RATS FED ON MARYOUT LAKE·FISH (Oreochrom/s ni/oticus) | ||||
| Journal of Food and Dairy Sciences | ||||
| Article 8, Volume 28, Issue 6, June 2003, Page 4835-4843 PDF (908.82 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/jfds.2003.244691 | ||||
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| Authors | ||||
| O. A. Emam,1; N. A. Hamide2 | ||||
| 1Faculty of Specified Education, Zagazlg Unlv. Benha | ||||
| 2Faculty ~f Science, Zagazlg Unlv. Benha. | ||||
| Abstract | ||||
| The purpose of this research is to determine the concentration levels of heavy metals, Le., Cd, Pb, Hg, Cu, Zn and Mn In (OI8ochromis ni/oticus) of rats fed on these fish at'different locations of Maryout-Iake. The biological evaluation of rats red On these fish was also carried out. The obteined results indicated thai, Maryoul lake- fish and its water contained higher heavy metals especially, Cd, Pb and Hg than the river Nile-fish and its waler samples. There are no significant differences of heavy melals concenlration In both rels serum and liver, which fed on conlrol and Nile 1ish, whereas rels fed on Maryoul lake-~sh shOwed significant Increase. Biological evaluation indicated \hat no significant differences were found in bolh liver and kidney functions of rats, fed on diets contained Nile fish or casein meanwhile, urea and cereatinine were increased in rats fed on Maryout-fish fQr 60 days. Both lola I proteIn and lipids in serum did not affect in all groups of rats, neither fot differenl sources of 1ish nor experimental period, but cholesterol was Increased. A signifICant decrease In haemoglobin perameler of rats at Ihe end 01 feeding period of Maryout lake-fish had been achJeved. Growth rale, feed ecnsurreucn and feed efficiency ratio didn't affect, except for rats fed on diel conlalnlng Maryoul-fish tor 60 days. | ||||
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