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ID:37226666
大小:1.54 MB
页数:5页
时间:2019-05-19
《日粮添加丁酸钠对低初生重新生仔猪生长性能及肠道发育的影响》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、饲养试验2015年第36卷第20期总第497期日粮添加丁酸钠对低初生重新生仔猪生长性能及肠道发育的影响112233■马红艳姚毅杨跃奎吕学斌曹山川刘静波(1.运城农业职业技术学院,山西运城044000;2.四川省畜牧科学研究院,四川成都610000;3.西南科技大学生命科学与工程学院,四川绵阳621010)摘要:研究旨在考察代乳日粮中丁酸钠对低初生重仔猪生长性能、肠道形态、消化酶活性、肠道养分转运载体表达量的影响。选用16头正常初生重(NBW)和16头低初生重(LBW)DLY仔猪,从7日龄开始分别饲喂基础日粮
2、或添加3kg/t丁酸钠的代乳日粮,试验期14d。结果表明,LBW仔猪的日增重显著低于NBW仔猪(P<0.05),日粮添加丁酸钠显著提高LBW及NBW仔猪的日增重(P<0.05)。日粮添加丁酸钠显著提高LBW仔猪的料重比(P<0.05),但对NBW仔猪料重比影响差异不显著(P>0.05)。日粮添加丁酸钠显著改善了LBW仔猪的绒毛高度、绒毛高度与隐窝深度比值、乳糖酶活性、肠道养分转运载体SGLT1和GLUT2基因表达量(P<0.05)。代乳日粮中添加丁酸钠可改善新生LBW仔猪肠道发育并改善新生期的生长性能。关键
3、词:低初生重;丁酸钠;肠道发育;新生仔猪doi:10.13302/j.cnki.fi.2015.20.008中图分类号:S815.1文献标识码:A文章编号:1001-991X(2015)20-0036-05EffectsofdietarysodiumbutyrateonthegrowthperformanceandintestinaldevelopmentinnewbornpigletswithlowbirthweightMaHongyan,YaoYi,YangYuekui,LüXuebing,CaoSha
4、nchuan,LiuJingboAbstract:Theobjectiveofthepresentstudywastoexaminetheeffectsofdietarysodiumbutyrateonthegrowthperformance,intestinalmorphology,digestiveenzymeactivitiesandnutrienttransport⁃erexpressionsinpigletsbornwithlowbirthweight.Sixteennormalbirthweig
5、ht(NBW)andsixteenlowbirthweight(LBW)DLYpigletswerefedabasaldietorbasaldietsupplementedwith3kg/tso⁃diumbutyratefrom7dpostnatalandtestlastedfor14days.Theaveragedailygain(ADG)inLBWpigletswassignificantlylowerthanNBWpiglets(P<0.05),andADGwassignificantlyimprov
6、edbydietarysodiumbutyratesupplementationinbothLBWandNBWpiglets(P<0.05).Feed?gainra⁃tiowasgreaterinLBWpigletsfeddietswithoutsodiumbutyratecomparedwithLBWpigletswithsodiumbutyratesupplementation(P<0.05),butwassimilarinNBWpigletswithorwithoutsodiumbutyratesup
7、plementation.Dietarysodiumbutyratesupplementationsignificantlyimprovedthevillousheight,ratioofvillousheighttocryptdepth,lactaseactivityandmRNAexpressionsofintestinaltransporters(SGLT1andGLUT2)inLBWpig⁃lets.Collectively,theseresultsdemonstratedthatdietaryso
8、diumbutyratesupplementationin作者简介:马红艳,硕士,讲师,研究方向为动物营养与饲料科学。milkreplacercouldimprovetheintestinaldevel⁃通讯作者:刘静波,博士,讲师。opmentandgrowthperformanceofpigletsborn收稿日期:2015-08-12withLBW.基金项目:国家科技支撑计划[2011BAD28B01];动
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