综述 Review

高精料饲粮条件下反刍动物瘤胃适应机制的解析

  • 梁玉生 ,
  • 李发弟 ,
  • 李飞
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  • 1. 草地农业生态系统国家重点实验室, 兰州大学草地农业科技学院, 兰州 730020;
    2. 甘肃省肉羊繁育生物技术工程实验室, 民勤 733300

收稿日期: 2015-07-18

  网络出版日期: 2016-01-22

基金资助

国家自然科学基金项目(31260564);兰州大学中央高校基本科研业务费专项资金(lzujbky-2015-43);长江学者和创新团队发展计划(IRT13019)

Analysis of Rumen Adaptive Mechanism under the Condition of Higher Concentrate Diets

  • LIANG Yusheng ,
  • LI Fadi ,
  • LI Fei
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  • 1. Key State Laboratory of Agro-Ecosystems, College of Pastoral Agriculture Science and Technology, Lanzhou University, Lanzhou 730020, China;
    2. Biotechnology Engineering Laboratory of Gansu Meat Sheep Breeding, Minqin 733300, China

Received date: 2015-07-18

  Online published: 2016-01-22

摘要

饲喂高能、高淀粉饲粮是集约化生产中提高反刍动物生产性能的常用策略,但高精料饲粮易引起一系列的营养代谢疾病,其中以瘤胃酸中毒最为常见。反刍动物瘤胃不仅具有消化、吸收营养物质的功能,瘤胃上皮亦是重要的免疫屏障,故瘤胃健康对反刍动物至关重要。本文主要从反刍动物采食高精料饲粮时其瘤胃组织形态、瘤胃上皮适应分子机制和瘤胃微生物区系3个方面的变化进行阐述,以期为高精料饲粮条件下瘤胃适应机制的研究提供参考。

本文引用格式

梁玉生 , 李发弟 , 李飞 . 高精料饲粮条件下反刍动物瘤胃适应机制的解析[J]. 动物营养学报, 2016 , 28(1) : 20 -26 . DOI: 10.3969/j.issn.1006-267x.2016.01.004

Abstract

Feeding a diet containing higher energy and starch level is a common strategy to improve performance in ruminant production. However, higher concentrate diets can cause the nutritional metabolic disease, especially ruminal acidosis. The rumen not only has the functions of digesting and absorbing nutrients, but also is a significant immune barrier. Thus, rumen health plays an important role for ruminants. This paper mainly elucidated the changes of morphology, molecular adaptive mechanism of rumen epithelium and microbiota of the rumen, aiming at providing some references for rumen's adaptive mechanism under the condition of feeding higher concentrate diets.

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