Abstract
This research was conducted to determine the fatty acid composition and organoleptic assessment of Oreochromis niloticus from different culture facilities (plastic, sandcrete tanks and earthen ponds), at the Teaching and Research Farm of The Department of Fisheries and Aquaculture Technology, the Federal University of Technology, Akure, Ondo State, Nigeria. The comparative work was carried out to find out if habitat could influence the nutrient composition of the fish. Standard procedures were used in the analysis of tissue nutrient. Organoleptic assessment study revealed differences in taste indices considered for O. niloticus reared in plastic, sandcrete tanks and earthen ponds (p<0.05). Fatty acid profiles of O. niloticus were determined using Gas chromatography-mass spectrometry (GC-MS) method. The percentage of saturated and unsaturated fatty acids was higher (50.08%, 21.22%) in earthen pond cultured O. niloticus than the plastic and sandcrete tanks. The study revealed that O. niloticus raised in earthen pond posses some nutritional advantages over the plastic and sandcrete tanks.
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