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1、SynergismEffectsofMultipleSugarsinPigStarterDiets多种糖对仔猪开食料的协同效应PigStarterApproximateComposition,%ofdiet仔猪开食料大致组成,%CarbohydratesasanEnergy SourceinPigDiets碳水化合物在猪饲料中作为能量来源Energyisfrequentlythemostlimitingnutrientinswinediets.在猪饲料中能量总是限制性营养因素Starchisthemaincarbohydrateandprimaryenergysourcei
2、nmostpigdiets.大多数猪料中淀粉是主要的碳水化合物以及能量来源Sucrase(sugar)Outline摘要Sugarutilizationatpigbirth初生仔猪对糖的利用Sugarutilizationatweaning断奶仔猪对糖的利用•Sucrosereplacementvalueforlactose蔗糖对乳糖的替代作用•Pigpreferenceforsweeterdiets猪喜好甜食•Economicformulationwithsugarsources不同糖原的合理搭配SugarUtilizationat PigBirth初生仔猪对糖的利用Fa
3、ilureofNewbornPig(2-dayold)toUtilizeSucroseandFructose新生仔猪（2日龄）利用蔗糖和果糖的死亡数对照葡萄糖蔗糖果糖猪的总头数777死亡的头数165(Beckeretal.,1954a)FailureofNewbornPig(2-dayold)toUtilizeSucroseandFructose新生仔猪（2日龄）利用蔗糖和果糖的对照葡萄糖蔗糖果糖平均初始体重,公斤1.241.291.33平均最终体重，公斤2.360.971.02平均每头猪增重,公斤1.12-0.32-0.31(Beckeretal.,1954a)*Wt.a
4、tdeathortrialtermination.SugarUtilizationatVariousWeaningAges不同的断奶日龄对糖的利用(Aherneetal.,1969)IntestinalSucraseActivityinBabyPigs(Baileyetal,1956)小猪肠蔗糖酶活性(10-fold)(60-fold)(200-fold)CarbohydraseActivitiesinNeonatalPigsisDietDependent新生仔猪的糖酶活性依赖日粮基础NB=2dold,PC=pigsfedporcinecolostrum,BCP=bovin
5、ecolostrum+porcineplasma,MR=MilkReplacerNB=2日龄PC=母乳喂养的猪BPC=牛初乳+猪血MR=牛奶替代品Jensen,etal,2001,JournalofNutrition,131:3259-3265延森等人，2001，营养杂志，μmol/substratehydrolyzed/minat37CTotalSucraseActivityinJejunumofPigs(freshtissuebasis)小猪空肠中总蔗糖酶活性（新鲜组织基础）Ageofpigs,wks猪的周龄O.AdeolaandD.E.King,2006J.Anim.
6、Sci.84:112-118PlasmaFructoseConcentrationfollowingOralDoseofEitherSucrose,Fructose&GlucoseinpigletsatAgeof2,5,7,10,and15days在小猪日龄为2，5，7，10以及15天时口服蔗糖，果糖或者葡萄糖后血浆果糖浓度(BirdandHartmann,1996,BritishJ.ofNutrition399-407)2days5days7days10days15daysPlasmaFructoseConcentrationfollowingOralDoseofEith
7、erSucrose,Fructose&GlucoseinpigletsatAgeof2,5,7,10,and15days在小猪日龄为2，5，7，10以及15天时口服蔗糖，果糖或者葡萄糖后血浆果糖浓度(BirdandHartmann,1996,BritishJ.ofNutrition399-407)Age,DaysafterBirth出生后天数蔗糖的相对消化能力ResearchSummary研究概述Newbornpiglets(<2dayage)couldnotutilizesucroseandfructosetom
