Fig. 8. Waterborne Cu uptake rates (means ± S.E.M., pmol g^–1 h^–1, N=9 per data point), measured using ⁶⁴Cu at the end of the 7-week exposure for all the treatment groups. These measurements were carried out over a 12-hour period, at a range of waterborne copper concentrations. Diamonds, low waterborne Cu and low dietary Cu; triangles, low waterborne Cu and normal dietary Cu; open circles, normal waterborne Cu and low dietary Cu; filled circles, normal waterborne Cu and normal dietary Cu; squares, normal waterborne Cu and high dietary Cu level. *Significantly higher relative to the group on normal levels of water Cu and dietary Cu (ANOVA, P<0.05).

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