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1,25-二羟基维生素D3及锌、锰复合物提高鸡蛋蛋黄维生素D3含量研究

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摘要 本试验旨在研究比较在蛋鸡日粮中添加1,25-二羟基维生素D_3、锌及锰复合物与普通维生素D_3对鸡蛋维生素D_3含量的影响。1,25-二羟基维生素D_3是维生素D_3的最活性形式,可直接驱动对钙、磷的吸收代谢及其他功能。在饲料中同时添加1,25-二羟基维生素D_3和维生素D_3,1,25二羟基维生素D_3直接发挥作用,可减少机体维生素D_3转化成1,25-二羟基维生素D_3的比例,从而向蛋黄转移更多维生素D_3。结果表明,试验组饲料添加1,25-二羟基维生素D_3后可明显提高鸡蛋蛋黄VD_3含量,提高幅度达53%。
出处 《广东饲料》 2017年第3期23-24,共2页 Guangdong Feed
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