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METALS AND MINERAL NUTRIENT CONCENTRATION IN Orechromis nilotcus, Clarias gariepinus AND Chrysichthys furcatus FROM BENUE RIVER, MAKURDI, NIGERIA
Authors: OKAYI, Gabriel., FAGADE, Solomon. and OGBE, Friday
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The concentration of five metals and minerals, Iron (Fe), Zinc (Zn), Copper (Cu), Lead (Pb), Cadmium (Cd), Sodium (Na), Potassium (K), Ammonia (NH3), phosphate(P04) were determined in three species, of fish from the Benue River (Oreochromis niloticus, Clarias gariepinus and Chrysichthys furcatus), at four different sampling stations. The levels of metals and minerals were assayed from the muscle, liver, kidney and intestine and gills of the three species. Differences in all means concentration of metals and minerals were analyzed using F-LSD and comparisons were made between stations and the fish species, significant differences were shown between values of iron and ammonia nitrogen amongst the species and between upstream stations and downstream stations respectively.