. 2016 Mar 2;2(1):51–56. doi: 10.1016/j.aninu.2016.02.004

Table 1.

Three concentrations of trace element ions¹ (mg/kg) to be added to the basal diet.

Item	Concentration 1	Concentration 2	Concentration 3
Cu²⁺	200	150	100
Zn²⁺	160	110	60
Fe²⁺	150	100	50
I^-	2.4	1.2	0.6

Cu²⁺ of CuSO₄·5H₂O, Zn²⁺ of ZnSO₄·H₂O, Fe²⁺ of FeSO₄·H₂O and I⁻ of KI.