HAEMATOLOGY OF NILE TILAPIA, Oreochromis niloticus FED Mytilus edulis SHELL MEAL SUBSTITUTED FOR DI CALCIUM PHOSPHATE

The effect of the inclusion Mytilus edulis shell collected from Lagos Lagoon front, University Lagos, in diets Nile tilapia (Oreochromis niloticus) on haematology fish was investigated Marine Research Laboratory University. Ten fingerlings each O. niloticus were placed plastic tanks and fed for 12 weeks with feed containing milled M. substituted Di calcium phosphate (DCP), other to utilize locally available abundant non conventional food materials. substitutions at rate 100% (T4), 75% (T3), 50% (T2), 25% (T1) 0% (T0) control diet. Each feeding regime triplicates. mean water parameters during experimental period within normal range tropical fishes, were: temperature (27.78±0.57 28.17±0.570C); pH(4±0.07 7.49±0.10) dissolved oxygen (6.19±0.633 6.46±0.633mg/l). proximate analysis showedhigher crude protein content compared DCP; this probably had a positive growth shell. Fish showed remarkable significant decrease (P>0.05) amongst diet haematological (Hb, WBC RBC). However, PCV values highest T3 (0.363±0.465) lowest (0.133±0.015). In conclusion, level substitution yielded better parameter