Feed Science and Technology

Effects of Aging Corn Diet Supplemented with Tea Polyphenol, Vitamin E and Butylated Hydroxytoluene on Growth Performance and Antioxidant Function of Meat Ducks

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  • 1. College of Veterinary Medicine, China Agricultural University, Beijing 100193, China;
    2. College of Animal Science and Technology, China Agricultural University, Beijing 100193, China

Received date: 2014-10-29

  Online published: 2015-04-21

Abstract

The present study was conducted to investigate the effects of aging corn diet supplemented with tea polyphenol (TP), vitamin E and butylated hydroxytoluene (BHT) on growth performance and antioxidant function of meat ducks. A total of 192 one-day-old male ducks were randomly divided into 4 groups with 6 replicates per group and 8 ducks per replicate. Corn stored for 3 years was utilized to formulate appropriate basal diets. Ducks in the group Ⅰ (control group) were fed the basal diet without antioxidant, and the others in groups Ⅱ, Ⅲ and Ⅳ were fed the basal diet supplemented with 120 mg/kg TP, vitamin E and BHT, respectively. This experiment lasted for 42 days. The results showed as follows: 1) compared with the control group, TP significantly increased average daily gain (ADG) at 22 to 42 days of age (P<0.05), vitamin E significantly increased ADG at 1 to 21 days of age and 22 to 42 days of age (P<0.05), BHT had no significant effect on growth performance (P>0.05). 2) Compared with the control group, TP significantly increased total antioxidant capacity (T-AOC) at 21 and 42 days of age and catalase (CAT) activity at 42 days of age in serum (P<0.05), vitamin E significantly increased CAT activity at 42 days of age in serum (P<0.05), BHT significantly increased T-AOC at 21 days of age and CAT activity at 21 and 42 days of age in serum (P<0.05). In conclusion, aging corn diet supplemented with TP and vitamin E can improve growth performance and antioxidant function of meat ducks, aging corn diet supplemented with BHT only can improve antioxidant function of meat ducks. Aging corn diet supplemented with TP has the best effect.

Cite this article

ZHANG Yaru, WANG Zhong, CAI Shaomin, ZHANG Lushuang, LIU Yang, YUAN Jianmin, XIA Zhaofei . Effects of Aging Corn Diet Supplemented with Tea Polyphenol, Vitamin E and Butylated Hydroxytoluene on Growth Performance and Antioxidant Function of Meat Ducks[J]. Chinese Journal of Animal Nutrition, 2015 , 27(4) : 1184 -1190 . DOI: 10.3969/j.issn.1006-267x.2015.04.023

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