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当前位置: 首页 > 文章 > 维生素E对冷应激下蛋种鸡生产性能、蛋品质及蛋黄和组织中α-生育酚含量的影响 动物营养学报 2012,24 (11) 2243-2248
Position: Home > Articles > Effects of Vitamin E on Performance,Egg Quality,Yolk and Tissue α-Tocopherol Contents of Breeding Hens under Cold Stress Chinese Journal of Animal Nutrition 2012,24 (11) 2243-2248

维生素E对冷应激下蛋种鸡生产性能、蛋品质及蛋黄和组织中α-生育酚含量的影响

作  者：
张宏馨;黄仁录;郭小虎;杨秋霞;陈辉
单  位：
河北农业大学动物科技学院
关键词：
冷应激;维生素E;生产性能;α-生育酚;蛋种鸡;蛋品质
摘  要：
本试验旨在探讨冷应激条件下饲粮中添加维生素E对海兰褐蛋种鸡的生产性能、蛋品质及蛋黄和组织中α-生育酚含量的影响。试验选用39周龄海兰褐蛋种鸡288只,随机分成6组,每组4个重复。维生素E以维生素E醋酸酯的形式添加,其添加水平分别是0(对照组)、20、40、80、160和320 mg/kg,预试期2周,试验期8周。结果表明:与对照组相比,80、160和320mg/kg组产蛋率极显著提高(P<0.01),其中160 mg/kg组最高,而320 mg/kg组相对160 mg/kg组有下降趋势(P>0.05);添加不同水平维生素E对种蛋品质未见影响(P>0.05);随维生素E添加水平的增加,蛋黄、肝脏、心脏中α-生育酚含量呈线性增加,而肾脏沉积增加不明显。试验结果提示,海兰褐蛋种鸡饲粮中增加维生素E的添加水平可以缓解冷应激造成的生产性能的下降,提高蛋黄、肝脏和心脏的α-生育酚含量。
译  名：
Effects of Vitamin E on Performance,Egg Quality,Yolk and Tissue α-Tocopherol Contents of Breeding Hens under Cold Stress
作  者：
ZHANG Hongxin1,2 HUANG Renlu1* GUO Xiaohu1 YANG Qiuxia1 CHEN Hui1 (1.College of Animal Science and Technology,Agricultural University of Hebei,Baoding 071000,China; 2.Health Science Centre,Hebei University,Baoding 071000,China)
关键词：
cold stress;vitamin E;performance;α-tocopherol;breeding hens;egg quality
摘  要：
This experiment was conducted to study the effects of dietary vitamin E on performance,egg quality,yolk and tissue α-tocopherol contents of breeding hens under cold stress.A total of 288 Hy-Line brown breeding hens,39 weeks old,were used and divided into six groups randomly with four replicates per group.The basal diet contained 2.375 mg/kg vitamin E.The vitamin E in the form of DL-α-tocopheryl acetate was added to the diets at a level of 0,20,50,80,160 or 320 mg/kg.Preliminary trial period was 2 weeks and experimental period was 8 weeks.The results showed as follows: compared with 0 mg/kg group,the laying rate was increased when 80,160 and 320 mg/kg vitamin E were added(P<0.01);the 160 mg/kg group was highest,while the 320 mg/kg group tended to decline(P>0.05).Effect of dietary treatment was not observed in egg quality(P>0.05).The α-tocopherol contents of yolk,liver and heart were increased linearly,and effect of dietary treatment was not observed in kidney.The results suggest that dietary vitamin E can alleviate the performance decrease caused by cold stress in Hy-Line brown breeding hens,meanwhile increase the α-tocopherol content of yolk,liver and heart.

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