M* Recommended supplementation of microelements (mg/kg feed) Content of microelements in enriched soybean meal (mg/g) Mass of enriched soybean meal added to feed-100% (g/kg feed for grower or finisher) Mass of enriched soybean meal added to feed-125% (g/kg feed for grower or finisher)
Cu(II)

20

11.7 ± 1.5 1.7 2.13
Fe(II)

50

11.9 ± 1.5 4.2 5.25
Mn(II)

20

5.92 ± 0.77 3.4 4.25
Zn(II)

50

9.06 ± 1.18 5.5 6.88
M* Recommended supplementation of microelements (mg/kg feed) Content of microelements in enriched soybean meal (mg/g) Mass of enriched soybean meal added to feed-100% (g/kg feed for grower or finisher) Mass of enriched soybean meal added to feed-125% (g/kg feed for grower or finisher)
Cu(II)

20

11.7 ± 1.5 1.7 2.13
Fe(II)

50

11.9 ± 1.5 4.2 5.25
Mn(II)

20

5.92 ± 0.77 3.4 4.25
Zn(II)

50

9.06 ± 1.18 5.5 6.88
M* - microelement
Table 1: Doses of microelements in zootechnical experiments on fatteners (±SD, N=3).