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Positive Effects of Resveratrol on Egg-Laying Ability, Egg Quality, and Antioxidant Activity in Hens

SUMMARY Resveratrol is a polyphenol known to have many beneficial biological activities. In our study, we investigated the effect of supplementing chicken feed with different concentrations of resveratrol. A total of 2,160 Jingfen white egg chickens in their 210-d old were selected for this study. They were randomly distributed into 4 diet groups with 6 replicates each. Each replicate group contained 90 chickens. Diets were supplemented with 1 of 4 doses of resveratrol: 0, 200, 400, and 800 mg/kg. Relative to that in controls, the egg production rate and mean daily food intake significantly increased upon 200 mg/kg resveratrol treatment (P