禽营养NO.06202324饲料研究FEEDRESEARCH菌群移植对三穗鸭生长性能、屠宰性能和肠道菌群的影响岳雍1,2,3杨胜林1,2,3*祝永才1,2,3罗林丽1,2,3(1.贵州大学高原山地动物遗传育种与繁殖教育部重点实验室,贵州贵阳550025;2.贵州省动物遗传育种与繁殖重点实验室,贵州贵阳550025;3.贵州大学动物科学学院,贵州贵阳550025)摘要:试验旨在探究菌群移植早期干预对三穗鸭的生长性能、屠宰性能和肠道菌群的影响。选择120只1日龄的健康三穗鸭,随机分为2组,每组6个重复,每个重复10只鸭,菌群供体选择42日龄的三穗鸭。试验前3d,对照组鸭饲喂基础日粮,移植组鸭饲喂基础日粮,灌喂0.5mL菌群液,试验期42d。结果显示,15~42d时,移植组鸭的成活率显著高于对照组(P<0.05);料重比显著低于对照组(P<0.05)。移植组鸭的屠宰率、全净膛率、半净膛率、腿肌率和胸肌率较对照组有所提高,但差异不显著(P>0.05)。在盲肠菌群门水平丰度方面,移植组鸭的拟杆菌门、变形菌门丰度较对照组分别降低了8.7%(P>0.05)、24.4%(P>0.05),厚壁菌门、梭杆菌门、放线菌门较对照组提高了11.2%(P>0.05)、26.1%(P>0.05)、55.5%(P<0.05)。研究表明,菌群移植能够提高三穗鸭的生长性能及改变盲肠菌群的丰度水平。关键词:菌群移植;三穗鸭;生长性能;屠宰性能;肠道菌群中图分类号:S834文献标识码:A文章编号:1002-2813(2023)06-0024-04Doi:10.13557/j.cnki.issn1002-2813.2023.06.006Effectofmicrobiotatransplantationongrowthperformance,slaughterperformanceandintestinalfloraofSansuiducksYUEYongYANGSheng-linZHUYong-caiLUOLin-liAbstract:Theexperimentwastoexploretheeffectofearlyinterventionongrowthperformance,slaughterperformanceandintestinalmicrofloraofSansuiducks.Atotalof120one-day-oldhealthySansuiduckswereselectedandrandomlydividedintotwogroups,withsixreplicatesineachgroup,10ducksineachreplicate,and42-day-oldSansuiduckswereselectedasthebacterialcolonydonor.Threedaysbeforetheexperiment,thecontrolgroupduckswerefedwithbasicdiet,ducksintransplantationgroupwerefedwithabasaldietandgavage0.5mLbacterialcommunitysolution.Theexperimentlastedfor42d.Theresultsshowedthatthesurvivalrateofthetransplantationgroupwassignificantlyhigherthanthatofcontrolgroupat15~42d(P<0.05).Thefeedtogainratiowas...