Effects of dietary phytosterols on growth performance, antioxidant status, and meat quality in Partridge Shank chickens

Poultry Science
Y R ZhaoY M Zhou

Abstract

To investigate the effects of dietary phytosterols (PS) on growth performance, antioxidant status, and meat quality of Partridge Shank chickens, a total of 256 1-day-old male Partridge Shank chicks were randomly assigned into 4 dietary treatments, and each of them replicated 8 times with 8 chicks per replicate. Birds in the 4 treatments were fed a basal diet supplemented with 0 (Control group), 20, 40, and 80 mg/kg PS for 50 D, respectively. Dietary supplementation of PS quadratically increased average daily gain of chickens during the grower and overall periods, whereas linearly decreased the feed-to-gain ratio during the starter period. Compared with control group, a significant increase in average daily gain during the grower and overall periods was observed in chickens fed the basal diet supplemented with 40 mg/kg PS. Increasing PS addition linearly increased serum glutathione peroxidase (GSH-Px) activity at 21 and 50 D and hepatic GSH-Px and superoxide dismutase activities at 21 D, whereas linearly decreased malondialdehyde concentration of breast muscle at 50 D. Meanwhile, 40 mg/kg PS supplementation significantly increased serum GSH-Px activity, and hepatic superoxide dismutase and GSH-Px activities at 21 D as compared w...Continue Reading

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Citations

Jan 21, 2020·Journal of Animal Physiology and Animal Nutrition·Zengrong ZhangXiaosong Jiang
Feb 23, 2021·Critical Reviews in Food Science and Nutrition·Simin FengChung S Yang
Apr 30, 2021·Research in Veterinary Science·Mahmoud AlagawanyKuldeep Dhama

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