Table 2.

The metal composition of the diets used. ^a

			Diet (percentage of fish flesh in food)
Element	Aimara flesh	Control diet	0.1%	1%	7.5%
Al	< 2	41.1	41.1	40.7	38
Cd	< 0.02	0.064	0.064	0.064	0.059
Co	< 0.1	0.80	0.80	0.79	0.74
Cr	< 0.25	0.72	0.72	0.72	0.67
Cu	0.78	7.99	7.99	7.92	7.45
Hg (total)	5	0.001	0.005	0.062	0.520
Ni	< 0.25	0.39	0.39	0.39	0.36
Pb	0.091	0.165	0.165	0.164	0.159
Se	3.85	0.30	0.30	0.33	0.57
Zn	19.7	41.1	41.1	40.9	39.5

^a Metals are given in mg.kg^-1.