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Table 1 Relative bioavailability of Cu sources for pigsa

From: Digestibility and metabolism of copper in diets for pigs and influence of dietary copper on growth performance, intestinal health, and overall immune status: a review

Source

Relative bioavailabilityb

CuSO4

100

Cu-Met

110

Cu-Lys

112

Cupric carbonate

85

Cupric oxide

0

Cupric sulfide

10

Cu citrate

84

  1. aValues were adapted from Baker and Ammerman [85]
  2. bThe relative bioavailability is expressed relative to the bioavailability of Cu in CuSO4