反刍动物营养NO.0220231饲料研究FEEDRESEARCH日粮中添加茉莉花渣对山羊营养物质表观消化率、瘤胃发酵及瘤胃菌群的影响胡俊杰1李叶红2陆俊致2郑自华2梁琼2黄恒2黄华莉2曾俊2*(1.广西大学动物科学技术学院,广西南宁530004;2.广西大学农牧产业发展研究院,广西南宁530004)摘要:试验旨在探究日粮中添加茉莉花渣对山羊营养物质表观消化率、瘤胃发酵及瘤胃菌群的影响。选择健康无病、体重相近、4月龄的去势努比亚公羊24只,随机分为2组,每组12个重复,每个重复1只羊,对照组羊饲喂基础日粮,试验组在基础日粮中添加100g/kg茉莉花渣,制成全价颗粒饲料。预试期7d,正式试验期45d。结果显示,与对照组相比,试验组山羊的粗蛋白表观消化率极显著降低(P<0.01),酸性洗涤纤维的表观消化率极显著提高(P<0.01)。微生物测序结果表明,对照组和试验组在门水平上的优势菌门均为厚壁菌门和拟杆菌门;试验组解琥珀酸菌属、普雷沃氏菌属_UCG_001和克里斯藤森菌科_R_7群相对丰度显著高于对照组(P<0.05),而未分类的拟杆菌科相对丰度显著低于对照组(P<0.05)。研究表明,日粮中添加茉莉花渣提高了纤维降解菌的相对丰度,改善了山羊对纤维物质的消化。关键词:山羊;茉莉花渣;营养物质表观消化率;瘤胃发酵;瘤胃菌群中图分类号:S827文献标识码:A文章编号:1002-2813(2023)02-0001-06Doi:10.13557/j.cnki.issn1002-2813.2023.02.001Effectofjasmineslagsupplementationonapparentdigestibilityofnutrients,ruminalfermentationandrumenfloraofgoatHUJun-jieLIYe-hongLUJun-zhiZHENGZi-huaLIANGQiongHUANGHengHUANGHua-liZENGJunAbstract:Theexperimentwastoexploretheeffectofjasmineslagonapparentdigestibilityofnutrients,rumenfermentationandrumenbacterialfloraofgoats.Twenty-fourhealthyfour-month-oldNubianramswithsimilarbodyweightandnodiseasewererandomlydividedintotwogroups,with12replicatesineachgroupandoneramineachreplicate.Ramsincontrolgroupwerefedwithabasaldiet,andthoseinexperimentalgroupwerefedwithabasaldietsupplementedwith100g/kgjasmineslagtomakeafull-pricegranulardiet.Thepre-testlastedfor7dandtheformalexperimentlastedfor45d.Theresultsshowedthatcomparedwithcontrolgroup,theapparentdigestibilityofcrudeproteininexperimentalgroupwasextremelydecreased(P<0.01),andtheapparentdigestibilityofacid...