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American kestrels were fed a diet containing 0.5, 120, 212 and 448 ppm (dry wt) biologically incorporated Pb for 60 days. The diet consisted of homogenized 4-wk-old cockerels raised on feed mixed with and without Pb. No kestrels died and weights did not differ among treatment groups. The control group (0.5 ppm Pb) had the lowest mean concentration of Pb and the high dietary group had the highest for the following tissues: kidney, liver, femur, brain and blood. Concentrations of Pb were significantly correlated among tissues. Treatment groups did not differ in packed cell volume, Hb concentration or erythrocyte count.
Additional Publication Details
Tissue lead distribution and hematologic effects in american kestrels Falco sparverius fed biologically incorporated lead