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猪日粮中铜、铁、锰、锌减量使用技术研究进展

作  者:
方热军;谢亮;薛俊敬;周丽媛
单  位:
湖南农业大学动物科学与技术学院湖南畜禽安全生产协同创新中心
关键词:
猪日粮;微量元素;减量;研究;进展
摘  要:
微量元素在猪的生长发育、生产繁殖、健康免疫等方面有重要的作用,生产实际中为某种目的经常会在饲料中添加超出猪生理需求剂量的微量元素.然而,长期过量的微量元素使用会带来一系列的负面影响.本文旨在对猪日粮中铜、铁、锰、锌使用的现状、过量添加的负面影响及减量使用的技术措施进行综述,以期为微量元素的有效、合理使用,保护环境提供参考.
作  者:
Fang Rejun;Xie Liang;Xue Junjing;Zhou Liyuan;
关键词:
pig diet;;trace elements;;reduction;;research;;progress
摘  要:
Trace elements play an important role in the growth and development, production and reproduction, health and immunity of pigs. In practice, trace elements that exceed the physiological requirements of pigs are often added to the feed for a certain purpose. However, long-term excessive use of trace elements will bring a series of negative effects. This article reviews purpose of this paper is to summarize the current situation of the use of copper, iron, manganese and zinc in pig diet, the negative effects of excessive addition and the technical measures to reduce the amount of use, so as to provide references for the effective and rational use of trace elements and environmental protection.

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