ABSTRACT The objective of this study was to investigate
the effects of dietary supplemental Zn on growth
performance, carcass traits, and meat quality of broilers.
Dietary treatments included the corn–soybean
meal-based diet (control) and the basal diet supplemented
with 60, 120, or 180 mg of Zn/kg as ZnSO4, Zn
amino acid A, Zn proteinate B, or Zn proteinate A. The
results showed that birds fed diets supplemented with
Zn had higher ADFI, ADG, and percentage of eviscerated
yield than birds fed the control diet. Supplemental