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当前位置: 首页 > 文章 > 茶多酚和L-茶氨酸对热应激下蛋用仔公鸡生长性能及抗氧化能力的影响 中国畜牧兽医 2013,40 (12) 85-89
Position: Home > Articles > Effects of Tea Polyphenol and L-theanine on Growth Performance and Antioxidant Performance of Egg-laying Chickens under Heat Stress China Animal Husbandry & Veterinary Medicine 2013,40 (12) 85-89

茶多酚和L-茶氨酸对热应激下蛋用仔公鸡生长性能及抗氧化能力的影响

作  者：
汪丽伟;蔡海莹
单  位：
安徽农业大学动物科技学院;安徽农业大学茶与食品科技学院
关键词：
茶多酚;L-茶氨酸;生长性能;抗氧化能力
摘  要：
本试验采用单因子试验设计研究茶多酚与L-茶氨酸在热应激下对蛋用仔公鸡生长性能及抗氧化能力的影响。选用1日龄蛋用仔公鸡180只,随机分为6组,每组3个重复,每个重复10只鸡。试验1组为对照组,饲喂基础日粮;试验2~6组分别在基础日粮中添加400mg/kg茶多酚、200mg/kg L-茶氨酸、200mg/kg茶多酚+200mg/kg L-茶氨酸、400mg/kg茶多酚+200mg/kg L-茶氨酸、600mg/kg茶多酚+200mg/kg L-茶氨酸,试验期28d。结果表明,茶多酚可有效降低热应激下蛋用仔公鸡的料重比(P<0.05),L-茶氨酸单独添加或与茶多酚同时添加对生长性能影响均不显著(P>0.05);茶多酚可显著降低各组织器官的丙二醛(MDA)含量(P<0.05),显著提高各组织器官的谷胱甘肽过氧化物酶(GSH-Px)与过氧化氢酶(CAT)活性(P<0.05);L-茶氨酸能显著提高各组织器官的CAT活性(P<0.05),不同程度降低各组织器官的MDA含量;茶多酚与L-茶氨酸同时添加时,抗氧化能力与茶多酚的添加量不呈正比;400mg/kg茶多酚+200mg/kg L-茶氨酸组肝脏样总超氧化物歧化酶(T-SOD)与GSH-Px活性均显著降低(P<0.05),MDA含量显著提高(P<0.05)。在热应激条件下,200mg/kg茶多酚+200mg/kg L-茶氨酸同时添加时,抗氧化效果较理想。
译  名：
Effects of Tea Polyphenol and L-theanine on Growth Performance and Antioxidant Performance of Egg-laying Chickens under Heat Stress
作  者：
WANG Li-wei;CAI Hai-ying;College of Tea & Food Science,Anhui Agricultural University;College of Animal Science and Technology,Anhui Agricultural University;
关键词：
tea polyphenol;;L-theanine;;growth performance;;antioxidant p erformance
摘  要：
In order to investigate the effects of tea polyphenols(TP)and L-theanine on growth performance and antioxidant performance of egg-laying chickens under heat stress,single factor design was adopted.180one-day old chickens were randomly assigned to six groups for three replicates(10chicks for each).Group 1was the control group,was fed on a basal diet;groups2to 6 were the treatment groups,were fed with 400 mg/kg TP,200 mg/kg L-theanine,200 mg/kg TP and 200 mg/kg L-theanine,400mg/kg TP and 200mg/kg L-theanine,600mg/kg TP and 200mg/kg L-theanine in the basal diet.The trial period was 28d.The results indicated that TP could decrease feed gain significantly(P<0.05),L-theanine added alone or combined with TP had no significant effects on growth performance(P>0.05).TP could decrease the tissues and organs' s content of MDA significantly(P<0.05),and enhance the activities of GSH-Px and CAT significantly(P<0.05).L-theanine could improve the activity of CAT significantly(P<0.05),and decreased the tissues and organs' s content of MDA in different degrees.TP combined with L-theanine,the antioxidant performance was out of step with the addition of TP.When 400mg/kg TP and 200mg/kg L-theanine were added,the T-SOD and GSH-Px activities of liver significantly decreased(P<0.05),the MDA content increased significantly(P<0.05).Under heat stress,the addition of 200mg/kg TP and 200mg/kg L-theanine is the most appropriate antioxidant effect.

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