Chicks fed polychlorinated biphenyls (PCBs) showed depression in hemoglobin levels and packed cell volume. The quantity and percentage of PCBs which accumulated in adipose tissue and liver fat increased as dietary levels of PCBs increased from 20 to 50 p.p.m. The ability of the chick to detoxify lower chlorinated PCBs was shown. Concentrations of calcium and magnesium in plasma from chicks fed diets containing up to 150 p.p.m. PCBs remained unchanged throughout this study.
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Rehfeld et al. (1972) studied this question.
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