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
ABSTRACT The objective of this study was to investigatethe effects of dietary supplemental Zn on growthperformance, carcass traits, and meat quality of broilers.Dietary treatments included the corn–soybeanmeal-based diet (control) and the basal diet supplementedwith 60, 120, or 180 mg of Zn/kg as ZnSO4, Znamino acid A, Zn proteinate B, or Zn proteinate A. Theresults showed that birds fed diets supplemented withZn had higher ADFI, ADG, and percentage of evisceratedyield than birds fed the control diet. Supplemental
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