酵母培养物替代抗生素对断奶仔猪生长性能和肠道健康的影响

酵母培养物替代抗生素对断奶仔猪生长性能和肠道健康的影响Title: The Impact of Substituting Antibiotics with Yeast Culture on Growt

酵母培养物替代抗生素对断奶仔猪生长性能和肠道健 康的影响 Title:TheImpactofSubstitutingAntibioticswithYeastCulture onGrowthPerformanceandIntestinalHealthofWeanedPiglets Abstract: Thisstudyaimstoinvestigatetheeffectsofsubstituting antibioticswithyeastcultureonthegrowthperformanceand intestinalhealthofweanedpiglets.AtotalofXXweanedpiglets weredividedintotwogroups:acontrolgroupreceivedantibiotic supplementation,andatreatmentgroupreceivedyeastculture instead.Performanceparametersincludingaveragedailygain (ADG),feedintake,andfeedconversionratio(FCR)wererecorded. Additionally,theintestinalhealthofpigletswasevaluatedby measuringintestinalmorphology,immunestatus,andgut microbiotacomposition.Theresultsrevealedthatsubstituting antibioticswithyeastculturepositivelyinfluencedgrowth performanceandintestinalhealthparameters.Thesefindings suggestthatyeastculturecouldbeapotentialalternativeto antibioticsinpromotingthegrowthandguthealthofweaned piglets. Keywords:antibiotics,yeastculture,weanedpiglets,growth performance,intestinalhealth Introduction: Weaningisacriticalperiodinthelifeofpiglets,asitinvolves transitioningfromaliquidmilk-baseddiettosolidfeed.This transitionisoftenassociatedwithstressandanincreased susceptibilitytogutdisorders,includingdiarrhea,reducedgrowth performance,andintestinalinflammation(Pluskeetal.,2018).To mitigatethesechallenges,antibioticshavebeentraditionallyused asgrowthpromotersandtopreventpost-weaningdiarrheainpig production.However,inrecentyears,concernsregardingthe developmentofantibioticresistanceanditsimpactonhuman healthhaveledtoasearchforalternativestrategies.Onesuch strategyistheuseofyeastcultureasasubstituteforantibiotics, asithasbeendemonstratedtopossessseveralbeneficial properties,includingimprovedgrowthperformanceand