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Average daily gain (ADG) as a function of serum zinc concentration. (A) The ADG for the first week post-weaning (PW) and the mean serum zinc concentrations at day 7 PW. (B) The ADG for the second week PW and the mean serum zinc concentrations at day 14 PW. (C) The ADG for the third week PW and the mean serum zinc concentrations at day 21 PW (30 pigs/diet). The black dashed line illustrates the effect of serum zinc concentration on ADG.
