动物营养学报2016，Vol.28Issue(3)：834-841,8.DOI:10.3969/j.issn.1006-267x.2016.03.024
延胡索酸二钠对早期断奶羔羊生长性能、瘤胃发酵功能及胃肠道发育的影响
Effects of Disodium Fumarate on Growth Performance, Ruminal Fermentation Function and Gastrointestinal Tract Development of Early Weaning Lambs
摘要
Abstract
The present study was conducted to explore the effects of disodium fumarate ( DF) on growth per-formance, ruminal fermentation function and gastrointestinal tract development of early weaning lambs.Thirty male lambs with (50±5) days of age and (25±2) kg of body weight were selected and randomly allocated in-to three groups with ten sheep in each group.Lambs in control group were fed a basal diet, the experimental groups were added 0.5%and 1.0%DF on the basis of diet, respectively.The trial lasted for 70 days.The re-sults showed as follows:1) the addition of DF increased average daily gain, and 1.0%group was significantly higher than control group ( P<0.05) .2) DF had no significant effect on rumen fluid pH ( P>0.05) , but sig-nificantly decreased ammonia nitrogen concentration ( P<0.05);DF significantly decreased lactic acid concen-tration in rumen fluid ( P<0.01);compared with control group, the concentrations of total volatile fatty acid, acetate acid and propionate in 1.0%group were significantly increased ( P<0.05) .3) The villi height of intes-tinal tract in experimental groups was higher than that in control group, and that of duodenum, jejunum and ile-um in 0.5%group was significantly increased by 30.3%, 30.6%, 46.1%( P<0.05) , respectively;the ratio of villi height to crypt depth of duodenum in experimental groups was significantly higher than that in control group ( P<0.05) , and that in 0.5%group was increased by 58.6%; compared with control group, the height of papilla on ruminal wall in 0.5%and 1.0%groups was increased by 139.84 and 156.74 μm ( P<0.05);there was no significant difference in the density of papilla between experimental groups and control group ( P>0.05) .In general, it is revealed that DF addition can improve growth performance of weaning lambs, and stimulate the gastrointestinal tract development of early weaning lambs.关键词
延胡索酸二钠/断奶羔羊/生长性能/胃肠道Key words
disodium fumarate/weaning lambs/growth performance/gastrointestinal tract分类
农业科技引用本文复制引用
刘云芳,赖瀚卿,王婷,王新峰,潘晓亮..延胡索酸二钠对早期断奶羔羊生长性能、瘤胃发酵功能及胃肠道发育的影响[J].动物营养学报,2016,28(3):834-841,8.基金项目
国家自然科学基金项目（31360558）；兵团绵羊重点实验室开放课题（2013KLS04）；石河子大学高层次人材专项 （）
