动物营养学报2018，Vol.30Issue(6)：2070-2078,9.DOI:10.3969/j.issn.1006-267x.2018.06.008
反刍动物瘤胃挥发性脂肪酸的吸收机制
Ruminal Absorption Mechanism of Volatile Fatty Acids in Ruminants
摘要
Abstract
Volatile fatty acids ( VFAs) produced by ruminal fermentation of dietary carbohydrates are translo-cated through the following pathways in ruminants: passive diffusion in rumen epithelium, acid radical ion of VFAs ( VFA-)/HCO-3 anion exchange, nitrate-sensitive VFAs absorption, proton-coupled VFA-transport and electron mediating mechanisms. At the same time, VFAs stimulate the rumen epithelium adaptive changes to promote rumen papillae growth and increase gene expressions associated with rumen epithelial VFA absorption. This article summarized the mechanism of VFA absorption and transport through the ruminal epithelium, and the gene expressions related to rumen epithelial VFA absorption, aiming to provide a theoretical basis for fur-ther investigation on nutritional regulation of rumen.关键词
反刍动物/瘤胃挥发性脂肪酸/吸收机制/基因表达Key words
ruminant/rumen volatile fatty acid/absorption mechanism/gene expression分类
农业科技引用本文复制引用
李洋,高民,胡红莲,孙燕勇..反刍动物瘤胃挥发性脂肪酸的吸收机制[J].动物营养学报,2018,30(6):2070-2078,9.基金项目
国家自然科学基金(31472124,31101739) （31472124,31101739）
内蒙古自然科学基金(2015MS0380) （2015MS0380）
杨胜先生门生社群项目(B2016011) （B2016011）
现代农业(奶牛)产业技术体系建设专项资金(CARS-36) （奶牛）
2016年度内蒙古自治区"草原英才"工程青年创新人才培养计划 （）
