甜菜碱对蛋鸡血清卵黄前体物水平的影响

被引：13

作者：

卢建军

邹晓庭

机构：

[1] 浙江大学饲料科学研究所教育部动物分子营养学重点实验室

来源：

浙江大学学报(农业与生命科学版) | 2006年 / 03期

关键词：

产蛋鸡; 甜菜碱; 卵黄前体物; VLDL; VTG;

D O I：

暂无

中图分类号：

S831.5 [饲料与营养];

学科分类号：

090502 ;

摘要：

以20周龄伊莎蛋鸡为试验对象,研究日粮添加甜菜碱对蛋鸡卵黄前体物极低密度脂蛋白VLDL和卵黄磷蛋白VTG含量的影响.结果表明日粮中添加600 mg?kg-1甜菜碱促产蛋效果最佳,全程平均产蛋率比对照组提高8.67%(P<0.05),料蛋比下降9.02%(P<0.05).日粮添加600 mg?kg-1甜菜碱使50和70周龄蛋鸡血清VLDL含量分别提高34.61%(P<0.05)和53.41%(P<0.03),VTG含量提高33.74%(P<0.01)和39.14%(P<0.01);腹脂LPL酶活性分别下降31.0%(P<0.01)和44.83%(P<0.01);血清FSH水平分别提高29.40%(P<0.05)和19.85%(P<0.01);LH水平分别提高45.49%(P<0.01)和26.69%(P<0.01).结果表明,甜菜碱对蛋鸡血清卵黄前体物VLDL和VTG含量有显著影响,它是通过影响血清卵黄前体物含量来提高蛋鸡生产性能.

引用

页码：287 / 291

页数：5

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