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Analyzed Zn concentrations in diets of broilers from 14 to 39 days of age a .
| Zn source | Added Zn, mg/kg | Analyzed Zn contents (d 14–21), mg/kg | Analyzed Zn contents (d 22–39), mg/kg |
|---|---|---|---|
| Control | 0 | 25.72 | 25.64 |
| Zn sulfate | 60 | 84.91 | 85.27 |
| Zn-Prot M2 | 60 | 86.93 | 84.29 |
Values of analyzed Zn contents are based on triplicate determinations.
Zn-Prot M = Zn proteinate with moderate chelation strength (Qf = 51.6).
