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Effects of dietary supplementation of Artemisia argyi aqueous extract on antioxidant indexes of small intestine in broilers

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Animal Nutrition 2016年第3期2卷 198-203页

作者： Fei Zhao Binlin Shi Dengsheng Sun Hongyan Chen Manman Tong Pengfei Zhang Xiaoyu Guo Sumei Yan College of Animal Science Inner Mongolia Agricultural University

The present study was conducted to investigate the effect of Artemisia argyi aqueous extract(AAE) on antioxidant indexes in the small intestine. A total of 192 Arbor Acre broiler chickens(one-day-old) were randomly divided into 4 treatments with 6 replicates of 8 chickens. These 4 diets were formulated by adding 0, 500,1,000 and 2,000 mg/kg AAE to the basal diet. The results showed as follows: 1) compared with the control, the total antioxidant capacity(T-AOC) in ileum for the 2,000 mg/kg treatment group was significantly increased at 21 days of age(P < 0.05); the T-AOC levels in jejunum and ileum were significantly increased in broilers supplemented with 500 mg/kg AAE at 42 days of age(P < 0.05), and the T-AOC levels in jejunum and ileum were significantly improved in 1,000 mg/kg treatment group(P < 0.01), 2) At 21 days of age, supplementation of 500 mg/kg AAE significantly increased the catalase(CAT) activity of small intestine, and the glutathione peroxidase(GSH-Px) activity of jejunum was improved(P < 0.01), meanwhile, the GSH-Px activity of duodenum and the total superoxide dismutase(T-SOD) activity of duodenum and jejunum were significantly higher than those of the control group(P < 0.05); supplementation of 1,000 mg/kg AAE significantly increased the CAT activity of duodenum and ileum and the GSH-Px activity of duodenum and jejunum(P < 0.05), and the ileum GSH-Px activity was significantly increased(P < 0.01); supplementation of 2,000 mg/kg AAE significantly increased the CAT activity of duodenum and ileum(P < 0.05). At 42 days of age, supplementation of 500 mg/kg AAE significantly increased the GSH-Px activity of ileum and the T-SOD activity of duodenum(P < 0.05),meanwhile, the T-SOD activity of jejunum was significantly increased(P < 0.01); supplementation of1,000 mg/kg AAE significantly increased the CAT activity of jejunum and the T-SOD activity of ileum(P < 0.01), and the GSH-Px activity of jejunum was significantly increased(P < 0.05); supplementation o

关键词： Artemisia argyi extract Broiler Small intestine antioxidant index

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Effects of a two-meal daily feeding pattern with varied crude protein levels on growth performance and antioxidant indexes in pigs

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Animal Nutrition 2016年第4期2卷 267-270页

作者： Xin Wu Xiaoyun Guo Chunyan Xie Tianyong Zhang Pengfei Gao Tianzeng Gao Yulong Yin Key Laboratory of Agro-ecological Processes in Subtropical Region Institute of Subtropical Agriculture Chinese Academy of Sciences Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production Henan Guang'an Biology Technology Co. Ltd

The present study aimed to evaluate the effects of daily feeding pattern on growth performance, blood biochemistry, and antioxidant indexes in pigs. One hundred and eighty female Duroc x Landrace x Yorkshire(DLY) pigs with similar body weight(11.00 ± 0.12 kg) were randomly assigned to 3 groups: the control group(fed 17.01% CP diet, twice daily); high-low group(H-L group, fed18.33% CP diet in the morning, followed by 15.70% CP diet in the afternoon); and low-high group(L-H group, fed 15.70% CP diet in the morning, followed by 18.33% CP diet in the afternoon)(n = 6). Comparable amounts of their respective diets were given at 05:30 and 15:00 throughout the experimental periods to make all the treatments consumed the same type of food and the same amount of calories on a daily basis. On day 30, one pig was randomly selected per litter for blood samples. Compared with the control group, ADG in the H-L and L-H groups increased by 8.11% and 16.23%, but not significant(P > 0.05); and blood urea nitrogen(BUN) in the H-L and L-H groups decreased by 26.76% and 41.04%(P antioxidant capacity in pigs without incurring increased feeding costs.

关键词： Two-meal daily feeding pattern Crude protein Growth performance antioxidant index Pigs

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Effect of Tea Polyphenols and Vitamin E on antioxidant Performance in Broilers

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Animal Husbandry and Feed Science 2012年第1期4卷 19-21页

作者： WANG Hong-qin Hebei Agricultural University Baoding 073000China

[ Objedlve] To investigate the effects of tea polyphenols （TP） and vitamin E （VE ） on growth performance and antioxidant performance of broilers in the routine breeding conditions. [ Method] A total of 270 broilers at 1 day old were fed on the basic diets supplemented with TP and VE at different proportions. The malondialdehyde （MDA） content, total antioxidant capacity （T-AOC） as well as activities of superoxide dismutase （SOD） and glutathione peroxidase （GSH-Px） were measured. The whole weight gain and feed conversion rate were also determined. [ Result] The broilers fed on TP and VE had remarkably higher serum activities of SOD and GSH-Px, stronger T-AOC and lower MDA content than the control ones. The best effects were achieved when the supplementary dosage of -rP and VE was respectively 60 and 80 mg/kg · Diet, because the experi- mental broilers had significantly higher antioxidant indices than the control ones （ P 〈 0.01 ）. Additionally, the boilers at the age of 21 or 42 days old had significantly higher body weight and lower feed conversion rate than the control ones （ P 〈 0.01 ）. [ Conclusion] The study provides a theoreti- cal basis for the applications of TP and VE in animal production.

关键词： Tea polyphenol Vitamin E antioxidant index Growth performance Broilers

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