FRESENIUS ENVIRONMENTAL BULLETIN, vol.24, no.9, pp.2771-2775, 2015 (SCI-Expanded)
Effects of sub-lethal concentrations of copper and lead on hematocrit and mean cell volume (MCV) levels and on erythrocyte numbers, erythrocyte and erythrocyte nucleus areas were determined after exposing Oreochromis niloticus to 4 ppm Cu and 0.2 ppm Pb over 7, 15 and 30 days.