Abstract
The aim of the present study was to investigate the putative effects of dietary supplementation with green tea powder on growth performance, d-xylose absorption as well as serum-selected parameters of broiler chickens. Forty 21-day-old chickens were randomly allocated into four groups and fed with diets supplemented with 0% (control), 1%, 2%, or 4% green tea powder for 2 weeks. At the end of the experiment, d-xylose absorption test was performed on all birds on a 45-min basis for 135 min, and PCV as well as serum total protein, total cholesterol, LDL-c, HDL-c, triglycerides, iron, calcium, and phosphorus concentrations were assayed. Body weight, feed intake, and feed conversion ratio (FCR) were also recorded during the experiment. No significant differences were observed in plasma d-xylose concentrations, PCV, or serum parameters among different groups (p > 0.05). Differences in body weight, feed intake, and FCR were insignificant as well. In conclusion, dietary supplementation with green tea powder for 2 weeks has no adverse effect on PCV, intestinal absorption of d-xylose, serum total protein, lipid profile, and mineral concentrations as well as performance parameters of broiler chickens.
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