微生态制剂对断奶仔猪的临床应用效果研究尹红梅,陈薇,郭照辉,王震,周映华,高书峰,刘标*(湖南省微生物研究院,湖南长沙410009)摘要为了研究微生态制剂对断奶仔猪的临床应用效果,选择60头12kg左右的断奶仔猪,随机分成2组(对照组和试验组),每组设3个重复,每个重复10头仔猪,进行为期35d的生长饲养试验。试验组基础日粮中添加0.1%微生态制剂,对照组基础日粮中添加0.1%中药包,研究微生态制剂对仔猪生长性能、血液生化指标、粪便大肠杆菌和乳酸菌数量以及粪便理化指标的影响。结果表明:与对照组相比,试验组断奶仔猪的平均日采食量提高了5.17%,平均日增重提高了10.34%,料重比降低了4.94%(P<0.05);试验组尿素氮含量和白蛋白含量都显著低于对照组,而试验组血清碱性磷酸酶活性以及葡萄糖、球蛋白和总蛋白含量则显著高于对照组(P<0.05);试验组粪便乳酸菌数量显著或极显著高于对照组,而大肠杆菌数量和腹泻率均低于对照组(P<0.05);试验组粪便氮、磷排放量均低于对照组(P<0.05)。以上研究结果表明,微生态制剂的添加能提高断奶仔猪的生长性能,改善肠道微生物菌群平衡,降低腹泻率,增强仔猪免疫力,减少粪便氮、磷的排放。关键词微生态制剂;断奶仔猪;生产性能;血液生化指标;氮、磷排放中图分类号S816.7文献标识码A文章编号0517-6611(2023)01-0091-04doi:10.3969/j.issn.0517-6611.2023.01.019开放科学(资源服务)标识码(OSID):StudyontheClinicalApplicationEffectofMicroecologicalPreparationonWeanedPigletsYINHong-mei,CHENWei,GUOZhao-huietal(HunanAcademyofMicrobiology,Changsha,Hunan410009)AbstractInordertostudytheclinicalapplicationeffectofmicroecologicalpreparationonweanedpiglets,60weanedpiglets(about12kg)wereselectedandrandomlydividedintotwogroups(controlgroupandexperimentalgroup).Threerepetitionsweresetineachgroup,therewere10pigletsineachrepetition.Thefeedingexperimentlasted35days.0.1%microecologicalpreparationwassupplementedinthebasaldietintheexperimentalgroup,0.1%Chinesemedicinepackagewassupplementedinthebasaldietinthecontrolgroup.Theeffectsofmicroeco-logicalpreparationonthegrowthperformance,bloodbiochemicalindices,thenumberoffecalEscherichiacoli,Lactobacillusplantarumandphysicalandchemicalindicesoffeceswerestudied.Theresul...