Article(id=1307013129938948436, tenantId=1146029695717560320, journalId=1306274286668972124, issueId=1307013104081068276, articleNumber=null, orderNo=null, doi=10.11843/j.issn.0366-6964.2026.02.027, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=research-article, receivedDate=1740585600000, receivedDateStr=2025-02-27, revisedDate=null, revisedDateStr=null, acceptedDate=null, acceptedDateStr=null, onlineDate=1789545813307, onlineDateStr=2026-09-16, pubDate=1771776000000, pubDateStr=2026-02-23, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1789545813307, onlineIssueDateStr=2026-09-16, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1789545813307, creator=13701087609, updateTime=1789545813307, updator=13701087609, issue=Issue{id=1307013104081068276, tenantId=1146029695717560320, journalId=1306274286668972124, year='2026', volume='57', issue='2', pageStart='569', pageEnd='1176', issueExtLink='null', onlineDate='null', pubDate='1771776000000', pubDateStr='2026-02-23', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1789545807142, creator='13701087609', updateTime=1789609910854, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1307281975350419753, tenantId=1146029695717560320, journalId=1306274286668972124, issueId=1307013104081068276, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1307281975350419754, tenantId=1146029695717560320, journalId=1306274286668972124, issueId=1307013104081068276, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=889, endPage=906, ext={EN=ArticleExt(id=1307013130157052245, articleId=1307013129938948436, tenantId=1146029695717560320, journalId=1306274286668972124, language=EN, title=Effects of Anthocyanins from Red Elephant Grass on the Growth Performance, Antioxidant Capacity and Cecal Microbes of White-feathered Broilers, columnId=1307007400746176631, journalTitle=Acta Veterinaria et Zootechnica Sinica, columnName=ANIMAL NUTRITION AND FEEDS, runingTitle=null, highlight=null, articleAbstract=

This experiment aimed to study the effects of anthocyanins from red elephant grass (Pennisetum purpureum Schumab cv. Red) on the growth performance, antioxidant capacity, and cecal microbial microbial structure of white-feathered broilers. A total of 210 healthy and similar-sized Shengze “901” 1-day-old male chicks were randomly divided into 5 groups, with 6 replicates in each group and 7 chicks in each replicate. Each group was fed the same basal diet, and the control group had no anthocyanin added to the drinking water. The drinking water of the treatment groups 1, 2, and 3 contained 50, 100, and 200 mg·kg-1 of anthocyanin extracted from red elephant grass, respectively, while the drinking water of the treatment group 4 contained 100 mg·kg-1 of anthocyanin from purple sweet potato (Ipomoea batatas L.). The treatment period was 42 days. The results showed that: 1) The addition of red elephant grass anthocyanin to the drinking water had no significant effect on the growth performance of white-feathered broilers (P>0.05). 2) At 21 days of age, the serum and liver malondialdehyde (MDA) content of the treatment group 2 was significantly lower than those of the control group (P<0.05), and the serum glutathione peroxidase (GSH-Px) content and liver catalase (CAT), glutathione (GSH), and superoxide dismutase (SOD) contents were significantly higher than those of the control group (P<0.05); at 42 days of age, the serum SOD content and liver GSH, GSH-Px content of the treatment group 2 were significantly higher than those of the control group (P<0.05). 3) Compared with the control group, the relative expressions of SOD1, SOD2, GPX1, and HO-1 mRNA in the treatment groups at 21 days of age and the relative expressions of NQO1, GPX1, SOD1, and HO-1 mRNA in the treatment groups at 42 days of age were significantly increased (P<0.05). 4) Compared with the control group, the Firmicutes in the treatment group 3 at 21 days of age were significantly reduced (P<0.05), while the Bacteroidetes and Bacteroidetes were significantly increased (P<0.05). At 42 days of age, Colidextribacter and Lactobacillus in treatment group 1, as well as Colidextribacter in treatment group 3, were significantly increased (P<0.05). Conversely, Eisenbergiella in treatment groups 1, 2, and 4 were significantly decreased (P<0.05). In conclusion, under the condition of the current study, supplementation of red elephant grass anthocyanins can enhance the antioxidant capacity in the serum and liver of white-feathered broilers, modulate the intestinal microbial community structure, and improve their resistance to oxidative stress.

, authors=Xinzhu CHEN1, Pingdong LIN1, Long GAO1, 2, Wen YUE1, authorsList=Xinzhu CHEN, Pingdong LIN, Long GAO, Wen YUE, authorCompany=null, correspAuthors=Xinzhu CHEN, authorNote=null, correspAuthorsNote=
CHEN Xinzhu,E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1307013133281808740, articleId=1307013129938948436, tenantId=1146029695717560320, journalId=1306274286668972124, language=CN, title=红象草花青素对白羽肉鸡生长性能、抗氧化能力和盲肠微生物的影响, columnId=1307007401962524793, journalTitle=畜牧兽医学报, columnName=营养与饲料, runingTitle=null, highlight=null, articleAbstract=

旨在研究红象草花青素对白羽肉鸡生长性能、抗氧化能力和盲肠微生物结构的影响。选取210只健康、体重相近的圣泽“901”1日龄白羽肉鸡公雏,随机分为5组,每组6个重复,每个重复7只鸡。各组饲喂相同基础日粮,对照组饮水中不添加花青素,试验1组、2组、3组饮水中分别添加50、100和200 mg·kg-1红象草花青素,试验4组饮水中添加100 mg·kg-1紫薯花青素,试验期42 d。结果显示:1)饮水中添加红象草花青素对白羽肉鸡的生长性能无显著影响(P>0.05)。2)21日龄肉鸡中,试验2组的血清和肝脏丙二醛(MDA)含量均显著低于对照组(P<0.05),血清谷胱甘肽过氧化物酶(GSH-Px)含量及肝脏过氧化氢酶(CAT)、还原型谷胱甘肽(GSH)、超氧化物歧化酶(SOD)含量均显著高于对照组(P<0.05);42日龄肉鸡中,试验2组的血清SOD含量及肝脏GSH、GSH-Px含量均显著高于对照组(P<0.05)。3)与对照组相比,21日龄试验组中SOD1、SOD2、GPX1、HO-1的mRNA相对表达量和42日龄试验组中NQO1、GPX1、SOD1、HO-1的mRNA相对表达量显著提高(P<0.05)。4)与对照组相比,21日龄试验3组的厚壁菌门显著减少(P<0.05),拟杆菌门、拟杆菌属显著增加(P<0.05);42日龄试验1组的大肠杆菌属和乳杆菌属及试验3组的大肠杆菌属均显著增加(P<0.05),试验1、2、4组的艾森贝格氏菌属均显著减少(P<0.05)。综上,本试验条件下,饲粮添加红象草花青素可提高白羽肉鸡的血清和肝抗氧化能力,并可调节肠道微生物群落结构,提高抵抗氧化应激的能力。

, authors=陈鑫珠1, 林平冬1, 高龙1, 2, 岳稳1, authorsList=陈鑫珠, 林平冬, 高龙, 岳稳, authorCompany=null, correspAuthors=陈鑫珠, authorNote=

陈鑫珠与林平冬为同等贡献作者

陈鑫珠,副研究员,博士,主要从事动物营养与饲料资源的开发利用研究

林平冬,助理研究员,博士,主要从事植物活性成分研究和动物营养研究,E-mail:

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陈鑫珠,主要从事动物营养与饲料资源的开发利用研究,E-mail:
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The gastrointestinal microbiome and its association with the control of pathogens in broiler chicken production:a review[J].Poultry Scie,2018,97(3):1006-1021., articleTitle=null, refAbstract=null), Reference(id=1307282441509561294, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[30], rfOrder=42, authorNames=null, journalName=null, refType=null, unstructuredReference=PENG Y J,YAN Y M,WAN P,et al.Effects of long-term intake of anthocyanins from Lycium ruthenicum Murray on the organism health and gut microbiota in vivo[J].Food Res Int2020(130):108952., articleTitle=null, refAbstract=null), Reference(id=1307282441597641679, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, doi=null, pmid=null, pmcid=null, year=null, volume=null, issue=null, pageStart=null, pageEnd=null, url=null, language=null, rfNumber=[31], rfOrder=43, authorNames=null, journalName=null, refType=null, unstructuredReference=HIDALGO M,ORUNA-CONCHA M J,KOLIDA S,et al.Metabolism of anthocyanins by human gut microflora and their influence on gut bacterial growth[J].J Agric Food Chem,2012,60(15):3882-3890., articleTitle=null, refAbstract=null)], funds=[Fund(id=1307282432298869661, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, awardId=32302791, language=CN, fundingSource=国家自然科学基金(32302791), fundOrder=null, country=null), Fund(id=1307282432500196254, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, awardId=GJYS202406, language=CN, fundingSource=国家自然科学基金项目延伸研究项目(GJYS202406), fundOrder=null, country=null), Fund(id=1307282432584082335, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, awardId=XTCXGC2021019, language=CN, 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MCK, MT1, MT2, MT3, and MT4 represent the control group, treatment group 1, treatment group 2, treatment group 3, and treatment group 4 at 21 days of age, respectively; ECK, ET1, ET2, ET3, and ET4 represent the control group, treatment group 1, treatment group 2, treatment group 3, and treatment group 4 at 42 days of age, respectively. The same as below

, figureFileSmall=io2ZtYna4AgyFLFX0tDzUQ==, figureFileBig=8awCuBGJ+IkQ9Miy9wzA3w==, tableContent=null), ArticleFig(id=1307282425042723719, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=图3, caption=白羽肉鸡盲肠微生物的物种数目饱和度曲线(A)和韦恩(Venn)花瓣图(B)

MCK、MT1、MT2、MT3、MT4分别为21日龄的对照组、试验1组、试验2组、试验3组和试验4组;ECK、ET1、ET2、ET3、ET4分别为42日龄的对照组、试验1组、试验2组、试验3组和试验4组,下同

, figureFileSmall=io2ZtYna4AgyFLFX0tDzUQ==, figureFileBig=8awCuBGJ+IkQ9Miy9wzA3w==, tableContent=null), ArticleFig(id=1307282425361490824, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Fig.4, caption=Horizontal bar of relative abundance of species at phylum level (A) and genus level (B) cecal microbiota in white-feathered broilers, figureFileSmall=s1i68nmUby/khtmXdV5C2g==, figureFileBig=0aFSa0HMGd/oknwdmZTpbg==, tableContent=null), ArticleFig(id=1307282425793504137, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=图4, caption=白羽肉鸡盲肠微生物门水平(A)与属水平(B)物种相对丰度水平堆叠柱状图, figureFileSmall=s1i68nmUby/khtmXdV5C2g==, figureFileBig=0aFSa0HMGd/oknwdmZTpbg==, tableContent=null), ArticleFig(id=1307282425873195914, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Fig.5, caption=PCoA analysis plots of cecal microbiota in 21-day-old (A) and 42-day-old (B) white-feathered broilers, figureFileSmall=hIberEUwVkSORQ6Emt+seA==, figureFileBig=c1GGDZerqBsGU1Ned61p3Q==, tableContent=null), ArticleFig(id=1307282427567694731, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=图5, caption=21日龄(A)和42日龄(B)白羽肉鸡盲肠微生物的PCoA分析图, figureFileSmall=hIberEUwVkSORQ6Emt+seA==, figureFileBig=c1GGDZerqBsGU1Ned61p3Q==, tableContent=null), ArticleFig(id=1307282427676746636, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Fig.6, caption=LEfSe analysis of species differences between sample groups, figureFileSmall=4e1Vz3QmyZoVfZ5oEIEGRg==, figureFileBig=AtRxPoGZeBfIs7OfkDSzgA==, tableContent=null), ArticleFig(id=1307282427798381453, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=图6, caption=样本组间差异物种LEfSe分析, figureFileSmall=4e1Vz3QmyZoVfZ5oEIEGRg==, figureFileBig=AtRxPoGZeBfIs7OfkDSzgA==, tableContent=null), ArticleFig(id=1307282427873878926, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Table 1, caption=

Composition and nutrient levels of basal diets (air-dry basis)

, figureFileSmall=null, figureFileBig=null, tableContent=
项目 Item含量 Content
1~21天 1 to 21 days22~42天 22 to 42 days
原料 Ingredient
玉米 Corn58.7462.56
大豆粕 Soybean meal18.6015.30
膨化大豆 Expanded soybean18.4018.30
石粉 Limestone1.201.20
磷酸氢钙 CaHPO41.801.66
氯化钠 NaCl0.280.28
L-赖氨酸 L-Lys·HCl0.310.19
DL-蛋氨酸 DL-Met0.260.16
L-苏氨酸 L-Thr0.150.09
L-色氨酸 L-Trp0.010.01
预混料 Premix1)0.250.25
合计 Total100.00100.00
营养水平 Nutrient levels2
代谢能/(MJ·kg-1) ME12.5412.96
粗蛋白质 CP21.5020.00
钙 Ca1.000.91
非植酸磷 NPP0.510.40
赖氨酸 Lys1.151.00
蛋氨酸 Met0.500.46
蛋氨酸+胱氨酸 Met+Cys0.910.79
苏氨酸 Thr0.810.72
色氨酸 Trp0.240.22
), ArticleFig(id=1307282427970347919, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=表1, caption=

基础日粮组成及营养水平(风干基础) (%)

, figureFileSmall=null, figureFileBig=null, tableContent=
项目 Item含量 Content
1~21天 1 to 21 days22~42天 22 to 42 days
原料 Ingredient
玉米 Corn58.7462.56
大豆粕 Soybean meal18.6015.30
膨化大豆 Expanded soybean18.4018.30
石粉 Limestone1.201.20
磷酸氢钙 CaHPO41.801.66
氯化钠 NaCl0.280.28
L-赖氨酸 L-Lys·HCl0.310.19
DL-蛋氨酸 DL-Met0.260.16
L-苏氨酸 L-Thr0.150.09
L-色氨酸 L-Trp0.010.01
预混料 Premix1)0.250.25
合计 Total100.00100.00
营养水平 Nutrient levels2
代谢能/(MJ·kg-1) ME12.5412.96
粗蛋白质 CP21.5020.00
钙 Ca1.000.91
非植酸磷 NPP0.510.40
赖氨酸 Lys1.151.00
蛋氨酸 Met0.500.46
蛋氨酸+胱氨酸 Met+Cys0.910.79
苏氨酸 Thr0.810.72
色氨酸 Trp0.240.22
), ArticleFig(id=1307282428079399824, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Table 2, caption=

Sequence and parameters of primers

, figureFileSmall=null, figureFileBig=null, tableContent=
基因 Gene引物序列(5'→3') Primer sequence (5'→3')片段长度/bp Sequence length
β-actinF:GATATTGCTGCGCTCGTTGT130
R:TACCAACCATCACACCCTGAT
NQO1F:AAAACCTCTTTCAACCACGCC143
R:TTCTTGAGGGGTCCGGTGA
CATF:CGGGATGCAATGTTGTTTCCAT111
R:AGACTCAGGGCGAAGACTCA
GPX1F:CAACGGCTTCAAACCCAACT89
R:CCTCTCTCAGGAAGGCGAAC
SOD1F:CAAATGGGTGTACCAGCGCA89
R:GTCACCCACGTGCCTATCTG
SOD2F:GCCACCTACGTGAACAACCT80
R:ACCTGAGCTGTAACATCACCTTT
Nrf2F:CTGTCTTCAGCCTTTTTGGACA84
R:AAAAACTTCACGCCTTGCCC
HO-1F:CACACAACGCTGAAAGCATGTC133
R:AACTCGTGGAGGGACACCT
), ArticleFig(id=1307282428318475153, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=表2, caption=

引物序列及其参数

, figureFileSmall=null, figureFileBig=null, tableContent=
基因 Gene引物序列(5'→3') Primer sequence (5'→3')片段长度/bp Sequence length
β-actinF:GATATTGCTGCGCTCGTTGT130
R:TACCAACCATCACACCCTGAT
NQO1F:AAAACCTCTTTCAACCACGCC143
R:TTCTTGAGGGGTCCGGTGA
CATF:CGGGATGCAATGTTGTTTCCAT111
R:AGACTCAGGGCGAAGACTCA
GPX1F:CAACGGCTTCAAACCCAACT89
R:CCTCTCTCAGGAAGGCGAAC
SOD1F:CAAATGGGTGTACCAGCGCA89
R:GTCACCCACGTGCCTATCTG
SOD2F:GCCACCTACGTGAACAACCT80
R:ACCTGAGCTGTAACATCACCTTT
Nrf2F:CTGTCTTCAGCCTTTTTGGACA84
R:AAAAACTTCACGCCTTGCCC
HO-1F:CACACAACGCTGAAAGCATGTC133
R:AACTCGTGGAGGGACACCT
), ArticleFig(id=1307282428444304274, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Table 3, caption=

Effect of anthocyanins from red elephant grass on the growth performance of white-feathered broilers

, figureFileSmall=null, figureFileBig=null, tableContent=

项目

Item

组别 Group

P值

P-value

对照组

Control group

试验1组

Treatment 1group

试验2组

Treatment 2 group

试验3组

Treatment 3 group

试验4组

Treatment 4 group

1~21天 1 to 21 days
平均日增重/g ADG30.14±2.3030.47±3.0229.62±3.1930.78±1.4630.32±1.320.938
平均日采食量/g ADFI41.90±2.6644.44±3.4841.02±4.3842.54±1.2342.64±2.040.386
料重比 F/G1.40±0.121.46±0.111.39±0.051.38±0.051.41±0.090.531
21~42天 21 to 42 days
平均日增重/g ADG86.43±7.4587.03±5.2689.21±7.5282.76±4.2986.32±2.790.440
平均日采食量/g ADFI146.16±13.22154.48±7.53145.62±24.2147.82±9.31150.34±11.470.820
料重比 F/G1.70±0.191.78±0.081.63±0.211.79±0.071.74±0.100.308
1~42天 1 to 42 days
平均日增重/g ADG58.68±4.5059.22±3.4360.11±4.6156.99±2.5958.98±2.360.669
平均日采食量/g ADFI96.77±7.97101.59±5.3596.07±13.6597.95±5.0699.32±6.600.795
料重比 F/G1.66±0.151.72±0.461.59±0.171.72±0.561.68±0.920.325
), ArticleFig(id=1307282428729516947, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=表3, caption=

红象草花青素对白羽肉鸡生长性能的影响

, figureFileSmall=null, figureFileBig=null, tableContent=

项目

Item

组别 Group

P值

P-value

对照组

Control group

试验1组

Treatment 1group

试验2组

Treatment 2 group

试验3组

Treatment 3 group

试验4组

Treatment 4 group

1~21天 1 to 21 days
平均日增重/g ADG30.14±2.3030.47±3.0229.62±3.1930.78±1.4630.32±1.320.938
平均日采食量/g ADFI41.90±2.6644.44±3.4841.02±4.3842.54±1.2342.64±2.040.386
料重比 F/G1.40±0.121.46±0.111.39±0.051.38±0.051.41±0.090.531
21~42天 21 to 42 days
平均日增重/g ADG86.43±7.4587.03±5.2689.21±7.5282.76±4.2986.32±2.790.440
平均日采食量/g ADFI146.16±13.22154.48±7.53145.62±24.2147.82±9.31150.34±11.470.820
料重比 F/G1.70±0.191.78±0.081.63±0.211.79±0.071.74±0.100.308
1~42天 1 to 42 days
平均日增重/g ADG58.68±4.5059.22±3.4360.11±4.6156.99±2.5958.98±2.360.669
平均日采食量/g ADFI96.77±7.97101.59±5.3596.07±13.6597.95±5.0699.32±6.600.795
料重比 F/G1.66±0.151.72±0.461.59±0.171.72±0.561.68±0.920.325
), ArticleFig(id=1307282428834374548, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Table 4, caption=

Effect of anthocyanins from red elephant grass on the serum antioxidant capacity of white-feathered broilers

, figureFileSmall=null, figureFileBig=null, tableContent=
项目 Item组别 Group

P值

P-value

对照组

Control group

试验1组

Treatment 1 group

试验2组

Treatment 2 group

试验3组

Treatment 3 group

试验4组

Treatment 4 group

21日龄 21-day-old

总抗氧化能力/(mmol·L-1)

T-AOC

0.84±0.24ab1.31±0.60a0.86±0.12ab0.75±0.12b1.02±0.19ab0.038
过氧化氢酶/(U·mL-1) CAT2.37±0.342.54±0.522.69±0.422.04±0.272.48±0.380.089

还原型谷胱甘肽/(µmol·L-1)

GSH

50.00±9.8267.86±11.6652.17±29.9775.00±34.4263.04±29.070.400
丙二醛/(nmol·mL-1) MDA7.65±0.84a6.85±0.32a3.59±0.41c6.34±0.88ab5.00±1.24b<0.01

超氧化物歧化酶/(U·mL-1)

SOD

10.86±2.8214.61±2.7212.48±3.4211.15±4.1012.44±3.840.370

谷胱甘肽过氧化物酶/(U·mL-1)

GSH-Px

286.67±41.53c353.85±67.41abc418.46±46.3ab430.77±54.21a340.51±10.24bc<0.01
42日龄 42-day-old

总抗氧化能力/(mmol·L-1)

T-AOC

0.98±0.301.04±0.281.07±0.281.03±0.211.04±0.280.987
过氧化氢酶 CAT/(U·mL-1)8.93±3.9511.25±0.5210.12±3.958.88±4.6512.23±1.990.366

还原型谷胱甘肽/(µmol·L-1)

GSH

37.94±3.4239.65±3.4942.36±2.4438.07±7.3138.57±5.580.492
丙二醛/(nmol·mL-1) MDA6.95±1.816.74±2.256.57±1.856.06±1.346.64±0.760.917

超氧化物歧化酶/(U·mL-1)

SOD

15.31±0.46c18.74±0.92a17.91±2.06ab16.16±1.92bc16.02±0.60bc<0.01

谷胱甘肽过氧化物酶/(U·mL-1)

GSH-Px

325.10±1.72324.90±2.16322.14±1.71325.00±2.39324.69±0.410.161
), ArticleFig(id=1307282429148947349, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=表4, caption=

红象草花青素对白羽肉鸡血清抗氧化能力的影响

, figureFileSmall=null, figureFileBig=null, tableContent=
项目 Item组别 Group

P值

P-value

对照组

Control group

试验1组

Treatment 1 group

试验2组

Treatment 2 group

试验3组

Treatment 3 group

试验4组

Treatment 4 group

21日龄 21-day-old

总抗氧化能力/(mmol·L-1)

T-AOC

0.84±0.24ab1.31±0.60a0.86±0.12ab0.75±0.12b1.02±0.19ab0.038
过氧化氢酶/(U·mL-1) CAT2.37±0.342.54±0.522.69±0.422.04±0.272.48±0.380.089

还原型谷胱甘肽/(µmol·L-1)

GSH

50.00±9.8267.86±11.6652.17±29.9775.00±34.4263.04±29.070.400
丙二醛/(nmol·mL-1) MDA7.65±0.84a6.85±0.32a3.59±0.41c6.34±0.88ab5.00±1.24b<0.01

超氧化物歧化酶/(U·mL-1)

SOD

10.86±2.8214.61±2.7212.48±3.4211.15±4.1012.44±3.840.370

谷胱甘肽过氧化物酶/(U·mL-1)

GSH-Px

286.67±41.53c353.85±67.41abc418.46±46.3ab430.77±54.21a340.51±10.24bc<0.01
42日龄 42-day-old

总抗氧化能力/(mmol·L-1)

T-AOC

0.98±0.301.04±0.281.07±0.281.03±0.211.04±0.280.987
过氧化氢酶 CAT/(U·mL-1)8.93±3.9511.25±0.5210.12±3.958.88±4.6512.23±1.990.366

还原型谷胱甘肽/(µmol·L-1)

GSH

37.94±3.4239.65±3.4942.36±2.4438.07±7.3138.57±5.580.492
丙二醛/(nmol·mL-1) MDA6.95±1.816.74±2.256.57±1.856.06±1.346.64±0.760.917

超氧化物歧化酶/(U·mL-1)

SOD

15.31±0.46c18.74±0.92a17.91±2.06ab16.16±1.92bc16.02±0.60bc<0.01

谷胱甘肽过氧化物酶/(U·mL-1)

GSH-Px

325.10±1.72324.90±2.16322.14±1.71325.00±2.39324.69±0.410.161
), ArticleFig(id=1307282429228639127, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Table 5, caption=

Effect of anthocyanins from red elephant grass on the hepatic antioxidant capacity of white-feathered broilers

, figureFileSmall=null, figureFileBig=null, tableContent=

项目

Item

组别 Group

P值

P-value

对照组

Control group

试验1组

Treatment 1 group

试验2组

Treatment 2 group

试验3组

Treatment 3 group

试验4组

Treatment 4 group

21日龄 21-day-old

总抗氧化能力/(mmol·L-1)

T-AOC

0.09±0.010.11±0.010.11±0.030.09±0.020.10±0.020.329
过氧化氢酶/(U·mL-1) CAT6.76±0.72b8.87±1.62a9.84±0.67a6.85±1.27b10.05±0.99a<0.01

还原型谷胱甘肽/(µmol·L-1)

GSH

31.54±0.98b33.62±1.46b40.76±2.84a31.71±2.34b26.50±1.07c<0.01
丙二醛/(nmol·mL-1) MDA1.12±0.15a1.05±0.18ab0.80±0.13bc0.55±0.20c0.64±0.15c<0.01

超氧化物歧化酶/(U·mL-1)

SOD

3.47±0.96b4.00±0.26ab4.67±0.71a4.28±0.46ab4.07±0.31ab0.031

谷胱甘肽过氧化物酶/(U·mL-1)

GSH-Px

151.57±12.23b169.65±4.16b214.56±16.07a198.62±14.26a153.28±9.65b<0.01
42日龄 42-day-old

总抗氧化能力/(mmol·L-1)

T-AOC

0.10±0.02b0.12±0.02ab0.10±0.01ab0.11±0.02ab0.13±0.01a0.030
过氧化氢酶/(U·mL-1) CAT9.83±0.889.94±1.0311.33±1.779.95±2.6910.22±1.280.473

还原型谷胱甘肽/(µmol·L-1)

GSH

41.26±3.65b50.68±7.82ab51.61±4.17a43.86±2.90bc40.57±1.66b<0.01
丙二醛/(nmol·mL-1) MDA1.53±0.311.41±0.231.14±0.141.36±0.571.42±0.310.380

超氧化物歧化酶/(U·mL-1)

SOD

3.83±0.43b4.77±0.70a4.60±0.48ab4.54±0.30ab4.69±0.43a0.018

谷胱甘肽过氧化物酶/(U·mL-1)

GSH-Px

174.58±28.85bc209.88±34.99b326.67±23.55a175.05±10.58bc149.97±9.58c<0.01
), ArticleFig(id=1307282429559989144, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=表5, caption=

红象草花青素对21日龄白羽肉鸡肝脏抗氧化能力的影响

, figureFileSmall=null, figureFileBig=null, tableContent=

项目

Item

组别 Group

P值

P-value

对照组

Control group

试验1组

Treatment 1 group

试验2组

Treatment 2 group

试验3组

Treatment 3 group

试验4组

Treatment 4 group

21日龄 21-day-old

总抗氧化能力/(mmol·L-1)

T-AOC

0.09±0.010.11±0.010.11±0.030.09±0.020.10±0.020.329
过氧化氢酶/(U·mL-1) CAT6.76±0.72b8.87±1.62a9.84±0.67a6.85±1.27b10.05±0.99a<0.01

还原型谷胱甘肽/(µmol·L-1)

GSH

31.54±0.98b33.62±1.46b40.76±2.84a31.71±2.34b26.50±1.07c<0.01
丙二醛/(nmol·mL-1) MDA1.12±0.15a1.05±0.18ab0.80±0.13bc0.55±0.20c0.64±0.15c<0.01

超氧化物歧化酶/(U·mL-1)

SOD

3.47±0.96b4.00±0.26ab4.67±0.71a4.28±0.46ab4.07±0.31ab0.031

谷胱甘肽过氧化物酶/(U·mL-1)

GSH-Px

151.57±12.23b169.65±4.16b214.56±16.07a198.62±14.26a153.28±9.65b<0.01
42日龄 42-day-old

总抗氧化能力/(mmol·L-1)

T-AOC

0.10±0.02b0.12±0.02ab0.10±0.01ab0.11±0.02ab0.13±0.01a0.030
过氧化氢酶/(U·mL-1) CAT9.83±0.889.94±1.0311.33±1.779.95±2.6910.22±1.280.473

还原型谷胱甘肽/(µmol·L-1)

GSH

41.26±3.65b50.68±7.82ab51.61±4.17a43.86±2.90bc40.57±1.66b<0.01
丙二醛/(nmol·mL-1) MDA1.53±0.311.41±0.231.14±0.141.36±0.571.42±0.310.380

超氧化物歧化酶/(U·mL-1)

SOD

3.83±0.43b4.77±0.70a4.60±0.48ab4.54±0.30ab4.69±0.43a0.018

谷胱甘肽过氧化物酶/(U·mL-1)

GSH-Px

174.58±28.85bc209.88±34.99b326.67±23.55a175.05±10.58bc149.97±9.58c<0.01
), ArticleFig(id=1307282429702595481, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Table 6, caption=

Effect of anthocyanins from red elephant grass on Alpha diversity index of cecal microbiota in white-feathered broilers

, figureFileSmall=null, figureFileBig=null, tableContent=

项目

Item

组别 Group

P值

P-value

对照组

Control group

试验1组

Treatment 1

试验2组

Treatment 2

试验3组

Treatment 3

试验4组

Treatment 4

21日龄 21-day-old
观测物种 Observed_species1 501.50±188.16a1 297.17±163.05b1 496.67±81.48a1 347.17±101.60ab1 305.83±137.87b0.031
Chao 1 指数Chao11 844.89±182.291 717.24±216.931 900.48±99.811 790.67±121.221 688.25±203.730.211
ACE指数 ACE1 920.97±210.161 730.25±228.911 938.26±82.461 811.05±119.311 707.65±199.310.105
香浓指数 Shannon4.74±0.28a4.89±0.27a4.94±0.24a4.62±0.16ab4.41±0.31b0.010
辛普森指数 Simpson0.97±0.01ab0.98±0.01a0.98±0.01ab0.96±0.01bc0.95±0.01c0.004
Pielou均匀度指数 Pielou_J0.65±0.03abc0.68±0.03a0.68±0.03ab0.64±0.02bc0.61±0.03c0.003
谱系多样性 Pd_faith56.09±17.88a34.98±3.64b41.26±4.55b34.89±4.50b31.43±2.59b0.000
42日龄 42-day-old
观测物种 Observed_species1 404.67±177.35ab1 306.67±135.74b1 267.67±149.66b1 342.00±133.31ab1 531.50±180.55a0.006
Chao 1 指数Chao11 812.78±218.48ab1 750.84±143.33b1 653.79±190.63b1 727.31±158.69b1 994.80±172.33a0.033
ACE指数 ACE1 843.08±216.83ab1 749.81±134.89b1 678.64±165.82b1 759.54±152.93b2 013.02±169.52a0.024
香浓指数 Shannon4.54±0.454.07±0.513.97±0.814.56±0.294.29±0.890.401
辛普森指数 Simpson0.93±0.030.89±0.050.87±0.110.94±0.030.89±0.120.442
Pielou均匀度指数 Pielou_J0.63±0.060.57±0.070.56±0.110.63±0.040.58±0.110.388
谱系多样性 Pd_faith37.30±2.8236.55±2.9842.49±7.2739.31±4.8040.04±3.170.202
), ArticleFig(id=1307282430071694234, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=表6, caption=

红象草花青素对白羽肉鸡盲肠微生物Alpha多样性指数影响

, figureFileSmall=null, figureFileBig=null, tableContent=

项目

Item

组别 Group

P值

P-value

对照组

Control group

试验1组

Treatment 1

试验2组

Treatment 2

试验3组

Treatment 3

试验4组

Treatment 4

21日龄 21-day-old
观测物种 Observed_species1 501.50±188.16a1 297.17±163.05b1 496.67±81.48a1 347.17±101.60ab1 305.83±137.87b0.031
Chao 1 指数Chao11 844.89±182.291 717.24±216.931 900.48±99.811 790.67±121.221 688.25±203.730.211
ACE指数 ACE1 920.97±210.161 730.25±228.911 938.26±82.461 811.05±119.311 707.65±199.310.105
香浓指数 Shannon4.74±0.28a4.89±0.27a4.94±0.24a4.62±0.16ab4.41±0.31b0.010
辛普森指数 Simpson0.97±0.01ab0.98±0.01a0.98±0.01ab0.96±0.01bc0.95±0.01c0.004
Pielou均匀度指数 Pielou_J0.65±0.03abc0.68±0.03a0.68±0.03ab0.64±0.02bc0.61±0.03c0.003
谱系多样性 Pd_faith56.09±17.88a34.98±3.64b41.26±4.55b34.89±4.50b31.43±2.59b0.000
42日龄 42-day-old
观测物种 Observed_species1 404.67±177.35ab1 306.67±135.74b1 267.67±149.66b1 342.00±133.31ab1 531.50±180.55a0.006
Chao 1 指数Chao11 812.78±218.48ab1 750.84±143.33b1 653.79±190.63b1 727.31±158.69b1 994.80±172.33a0.033
ACE指数 ACE1 843.08±216.83ab1 749.81±134.89b1 678.64±165.82b1 759.54±152.93b2 013.02±169.52a0.024
香浓指数 Shannon4.54±0.454.07±0.513.97±0.814.56±0.294.29±0.890.401
辛普森指数 Simpson0.93±0.030.89±0.050.87±0.110.94±0.030.89±0.120.442
Pielou均匀度指数 Pielou_J0.63±0.060.57±0.070.56±0.110.63±0.040.58±0.110.388
谱系多样性 Pd_faith37.30±2.8236.55±2.9842.49±7.2739.31±4.8040.04±3.170.202
), ArticleFig(id=1307282430403044251, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=EN, label=Table 7, caption=

Effect of anthocyanins from red elephant grass on relative abundance of species at phylum level and genus level of cecal microbiota in white-feathered broilers

, figureFileSmall=null, figureFileBig=null, tableContent=

项目

Item

组别Group

P值

P-value

对照组

Control group

试验1组

Treatment 1

group

试验2组

Treatment 2

group

试验3组

Treatment 3

group

试验4组

Treatment 4

group

21日龄 21-day-old
门水平 Phylum level
厚壁菌门 Firmicutes93.30±3.35a92.42±3.72a86.26±9.94a70.19±8.01b85.99±11.19a<0.01
拟杆菌门 Bacteroidetes2.79±4.11b5.11±4.66b10.39±9.72b28.29±8.31a12.44±11.57b<0.01
变形菌门 Proteobacteria3.03±1.992.02±1.712.96±1.211.41±0.870.95±0.680.055
属水平 Genus level
链球菌属 Streptococcus11.60±14.68ab7.56±6.61b8.13±7.46b5.66±3.62b25.46±7.57a0.004
拟杆菌属 Bacteroides2.68±4.09b4.89±4.61b8.05±10.27b26.65±8.62a11.60±11.44b<0.01
蓝绿藻菌属 Lachnoclostridium5.74±1.078.55±2.528.41±3.926.65±2.644.63±2.890.091
粪球菌属 Coprococcus7.82±3.475.22±2.944.99±5.412.31±1.199.37±13.580.452
瘤胃球菌 Ruminococcus5.38±2.574.79±3.293.19±3.525.78±4.151.90±1.020.193
布劳特氏菌属 Blautia3.39±2.463.43±1.833.01±1.832.13±0.844.59±2.190.300
艾森贝格氏菌属 Eisenbergiella2.40±1.804.43±2.124.06±2.992.57±0.731.89±1.920.189
龙包茨氏菌属 Romboutsia1.99±1.59ab3.33±3.15ab2.32±1.98ab1.70±1.54b5.54±2.36a0.038
阴性杆菌属 Negativibacillus3.06±2.014.02±4.863.51±1.992.58±1.430.88±0.660.306
大肠杆菌属 Colidextribacter1.70±1.89ab2.24±1.41a1.34±0.81ab2.15±1.13a0.34±0.12b0.082
其他 others54.22±13.00a51.65±14.34a53.00±13.42a15.22±10.69ab41.82±4.07b0.012
42日龄 42-day-old
门水平 Phylum level
厚壁菌门 Firmicutes62.31±10.1550.82±12.9551.36±4.8262.53±8.8255.53±19.930.380
拟杆菌门 Bacteroidetes34.37±11.5047.06±13.7746.10±5.2233.27±9.3640.27±23.450.390
变形菌门 Proteobacteria2.23±0.801.39±1.401.81±0.593.29±1.812.14±2.540.390
属水平 Genus level
巴恩斯氏菌属 Barnesiella31.19±12.1943.84±13.5345.3±18.4628.18±12.2138.75±23.300.312
蓝绿藻菌属 Lachnoclostridium5.22±1.484.43±1.834.63±1.967.38±4.127.04±4.350.311
栖粪杆菌属 Faecalibacterium3.45±1.782.39±1.202.36±1.433.93±3.312.67±2.040.616
大肠杆菌属 Colidextribacter3.21±2.97b3.30±1.91a2.64±1.58ab3.61±2.39a0.53±0.30b0.096
布劳特氏菌属 Blautia2.54±1.861.50±1.222.09±1.162.05±1.714.04±3.270.261
乳杆菌属 Lactobacillus1.72±3.01b5.16±3.54a2.45±2.49ab1.35±0.96b0.82±0.71b0.038
幼婴粪杆菌属 Coprobacter1.07±0.531.63±0.322.32±1.613.08±5.100.53±0.330.403
链球菌属 Streptococcus2.11±2.27ab0.29±0.20b0.12±0.10b0.68±0.85b5.41±5.99a0.021
宿主关联乳杆菌 Ligilactobacillus2.29±2.321.74±2.940.97±1.462.50±4.340.63±0.570.694
艾森贝格氏菌属 Eisenbergiella2.71±1.38a1.05±0.44b1.47±1.16b1.70±1.00ab0.89±0.42b0.025
其他 others44.48±11.5934.67±10.0235.64±12.0545.53±4.6538.67±16.620.377
), ArticleFig(id=1307282432114320284, tenantId=1146029695717560320, journalId=1306274286668972124, articleId=1307013129938948436, language=CN, label=表7, caption=

红象草花青素对白羽肉鸡盲肠微生物门水平与属水平物种相对丰度的影响 (%)

, figureFileSmall=null, figureFileBig=null, tableContent=

项目

Item

组别Group

P值

P-value

对照组

Control group

试验1组

Treatment 1

group

试验2组

Treatment 2

group

试验3组

Treatment 3

group

试验4组

Treatment 4

group

21日龄 21-day-old
门水平 Phylum level
厚壁菌门 Firmicutes93.30±3.35a92.42±3.72a86.26±9.94a70.19±8.01b85.99±11.19a<0.01
拟杆菌门 Bacteroidetes2.79±4.11b5.11±4.66b10.39±9.72b28.29±8.31a12.44±11.57b<0.01
变形菌门 Proteobacteria3.03±1.992.02±1.712.96±1.211.41±0.870.95±0.680.055
属水平 Genus level
链球菌属 Streptococcus11.60±14.68ab7.56±6.61b8.13±7.46b5.66±3.62b25.46±7.57a0.004
拟杆菌属 Bacteroides2.68±4.09b4.89±4.61b8.05±10.27b26.65±8.62a11.60±11.44b<0.01
蓝绿藻菌属 Lachnoclostridium5.74±1.078.55±2.528.41±3.926.65±2.644.63±2.890.091
粪球菌属 Coprococcus7.82±3.475.22±2.944.99±5.412.31±1.199.37±13.580.452
瘤胃球菌 Ruminococcus5.38±2.574.79±3.293.19±3.525.78±4.151.90±1.020.193
布劳特氏菌属 Blautia3.39±2.463.43±1.833.01±1.832.13±0.844.59±2.190.300
艾森贝格氏菌属 Eisenbergiella2.40±1.804.43±2.124.06±2.992.57±0.731.89±1.920.189
龙包茨氏菌属 Romboutsia1.99±1.59ab3.33±3.15ab2.32±1.98ab1.70±1.54b5.54±2.36a0.038
阴性杆菌属 Negativibacillus3.06±2.014.02±4.863.51±1.992.58±1.430.88±0.660.306
大肠杆菌属 Colidextribacter1.70±1.89ab2.24±1.41a1.34±0.81ab2.15±1.13a0.34±0.12b0.082
其他 others54.22±13.00a51.65±14.34a53.00±13.42a15.22±10.69ab41.82±4.07b0.012
42日龄 42-day-old
门水平 Phylum level
厚壁菌门 Firmicutes62.31±10.1550.82±12.9551.36±4.8262.53±8.8255.53±19.930.380
拟杆菌门 Bacteroidetes34.37±11.5047.06±13.7746.10±5.2233.27±9.3640.27±23.450.390
变形菌门 Proteobacteria2.23±0.801.39±1.401.81±0.593.29±1.812.14±2.540.390
属水平 Genus level
巴恩斯氏菌属 Barnesiella31.19±12.1943.84±13.5345.3±18.4628.18±12.2138.75±23.300.312
蓝绿藻菌属 Lachnoclostridium5.22±1.484.43±1.834.63±1.967.38±4.127.04±4.350.311
栖粪杆菌属 Faecalibacterium3.45±1.782.39±1.202.36±1.433.93±3.312.67±2.040.616
大肠杆菌属 Colidextribacter3.21±2.97b3.30±1.91a2.64±1.58ab3.61±2.39a0.53±0.30b0.096
布劳特氏菌属 Blautia2.54±1.861.50±1.222.09±1.162.05±1.714.04±3.270.261
乳杆菌属 Lactobacillus1.72±3.01b5.16±3.54a2.45±2.49ab1.35±0.96b0.82±0.71b0.038
幼婴粪杆菌属 Coprobacter1.07±0.531.63±0.322.32±1.613.08±5.100.53±0.330.403
链球菌属 Streptococcus2.11±2.27ab0.29±0.20b0.12±0.10b0.68±0.85b5.41±5.99a0.021
宿主关联乳杆菌 Ligilactobacillus2.29±2.321.74±2.940.97±1.462.50±4.340.63±0.570.694
艾森贝格氏菌属 Eisenbergiella2.71±1.38a1.05±0.44b1.47±1.16b1.70±1.00ab0.89±0.42b0.025
其他 others44.48±11.5934.67±10.0235.64±12.0545.53±4.6538.67±16.620.377
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红象草花青素对白羽肉鸡生长性能、抗氧化能力和盲肠微生物的影响
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陈鑫珠 1 , 林平冬 1 , 高龙 1, 2 , 岳稳 1
畜牧兽医学报 | 营养与饲料 2026,57(2): 889-906
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畜牧兽医学报 |营养与饲料 2026 , 57 (2) : 889 -906
红象草花青素对白羽肉鸡生长性能、抗氧化能力和盲肠微生物的影响
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陈鑫珠1 , 林平冬1 , 高龙1, 2, 岳稳1
作者信息
  • 1.福建省农业科学院畜牧兽医研究所/福建省畜禽遗传育种重点实验室,福州 350013
  • 2.福建农林大学动物科学学院,福州 350002
通讯作者:
陈鑫珠,主要从事动物营养与饲料资源的开发利用研究,E-mail:
作者简介:

陈鑫珠与林平冬为同等贡献作者

陈鑫珠,副研究员,博士,主要从事动物营养与饲料资源的开发利用研究

林平冬,助理研究员,博士,主要从事植物活性成分研究和动物营养研究,E-mail:

Effects of Anthocyanins from Red Elephant Grass on the Growth Performance, Antioxidant Capacity and Cecal Microbes of White-feathered Broilers
Xinzhu CHEN1 , Pingdong LIN1 , Long GAO1, 2, Wen YUE1
Affiliations
  • 1.Institute of Animal Husbandry and Veterinary Medicine/Fujian Key Laboratory of Animal Genetics and Breeding,Fujian Academy of Agricultural Sciences,Fuzhou 350013,China
  • 2.College of Animal Sciences,Fujian Agriculture and Forestry University,Fuzhou 350002,China
  • Corresponding Author:
    CHEN Xinzhu,E-mail:
出版时间: 2026-02-23 doi: 10.11843/j.issn.0366-6964.2026.02.027
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旨在研究红象草花青素对白羽肉鸡生长性能、抗氧化能力和盲肠微生物结构的影响。选取210只健康、体重相近的圣泽“901”1日龄白羽肉鸡公雏,随机分为5组,每组6个重复,每个重复7只鸡。各组饲喂相同基础日粮,对照组饮水中不添加花青素,试验1组、2组、3组饮水中分别添加50、100和200 mg·kg-1红象草花青素,试验4组饮水中添加100 mg·kg-1紫薯花青素,试验期42 d。结果显示:1)饮水中添加红象草花青素对白羽肉鸡的生长性能无显著影响(P>0.05)。2)21日龄肉鸡中,试验2组的血清和肝脏丙二醛(MDA)含量均显著低于对照组(P<0.05),血清谷胱甘肽过氧化物酶(GSH-Px)含量及肝脏过氧化氢酶(CAT)、还原型谷胱甘肽(GSH)、超氧化物歧化酶(SOD)含量均显著高于对照组(P<0.05);42日龄肉鸡中,试验2组的血清SOD含量及肝脏GSH、GSH-Px含量均显著高于对照组(P<0.05)。3)与对照组相比,21日龄试验组中SOD1、SOD2、GPX1、HO-1的mRNA相对表达量和42日龄试验组中NQO1、GPX1、SOD1、HO-1的mRNA相对表达量显著提高(P<0.05)。4)与对照组相比,21日龄试验3组的厚壁菌门显著减少(P<0.05),拟杆菌门、拟杆菌属显著增加(P<0.05);42日龄试验1组的大肠杆菌属和乳杆菌属及试验3组的大肠杆菌属均显著增加(P<0.05),试验1、2、4组的艾森贝格氏菌属均显著减少(P<0.05)。综上,本试验条件下,饲粮添加红象草花青素可提高白羽肉鸡的血清和肝抗氧化能力,并可调节肠道微生物群落结构,提高抵抗氧化应激的能力。

红象草花青素  /  白羽肉鸡  /  生长性能  /  抗氧化  /  肠道微生物

This experiment aimed to study the effects of anthocyanins from red elephant grass (Pennisetum purpureum Schumab cv. Red) on the growth performance, antioxidant capacity, and cecal microbial microbial structure of white-feathered broilers. A total of 210 healthy and similar-sized Shengze “901” 1-day-old male chicks were randomly divided into 5 groups, with 6 replicates in each group and 7 chicks in each replicate. Each group was fed the same basal diet, and the control group had no anthocyanin added to the drinking water. The drinking water of the treatment groups 1, 2, and 3 contained 50, 100, and 200 mg·kg-1 of anthocyanin extracted from red elephant grass, respectively, while the drinking water of the treatment group 4 contained 100 mg·kg-1 of anthocyanin from purple sweet potato (Ipomoea batatas L.). The treatment period was 42 days. The results showed that: 1) The addition of red elephant grass anthocyanin to the drinking water had no significant effect on the growth performance of white-feathered broilers (P>0.05). 2) At 21 days of age, the serum and liver malondialdehyde (MDA) content of the treatment group 2 was significantly lower than those of the control group (P<0.05), and the serum glutathione peroxidase (GSH-Px) content and liver catalase (CAT), glutathione (GSH), and superoxide dismutase (SOD) contents were significantly higher than those of the control group (P<0.05); at 42 days of age, the serum SOD content and liver GSH, GSH-Px content of the treatment group 2 were significantly higher than those of the control group (P<0.05). 3) Compared with the control group, the relative expressions of SOD1, SOD2, GPX1, and HO-1 mRNA in the treatment groups at 21 days of age and the relative expressions of NQO1, GPX1, SOD1, and HO-1 mRNA in the treatment groups at 42 days of age were significantly increased (P<0.05). 4) Compared with the control group, the Firmicutes in the treatment group 3 at 21 days of age were significantly reduced (P<0.05), while the Bacteroidetes and Bacteroidetes were significantly increased (P<0.05). At 42 days of age, Colidextribacter and Lactobacillus in treatment group 1, as well as Colidextribacter in treatment group 3, were significantly increased (P<0.05). Conversely, Eisenbergiella in treatment groups 1, 2, and 4 were significantly decreased (P<0.05). In conclusion, under the condition of the current study, supplementation of red elephant grass anthocyanins can enhance the antioxidant capacity in the serum and liver of white-feathered broilers, modulate the intestinal microbial community structure, and improve their resistance to oxidative stress.

Pennisetum purpureumSchumab cv. Red anthocyanins  /  white-feathered broiler  /  growth performance  /  antioxidant  /  intestinal microbiota
陈鑫珠, 林平冬, 高龙, 岳稳. 红象草花青素对白羽肉鸡生长性能、抗氧化能力和盲肠微生物的影响. 畜牧兽医学报, 2026 , 57 (2) : 889 -906 . DOI: 10.11843/j.issn.0366-6964.2026.02.027
Xinzhu CHEN, Pingdong LIN, Long GAO, Wen YUE. Effects of Anthocyanins from Red Elephant Grass on the Growth Performance, Antioxidant Capacity and Cecal Microbes of White-feathered Broilers[J]. Acta Veterinaria et Zootechnica Sinica, 2026 , 57 (2) : 889 -906 . DOI: 10.11843/j.issn.0366-6964.2026.02.027
在畜禽养殖过程中,环境变化、生长时期的改变以及外来致病菌的侵扰,均可导致氧化应激[1]。氧化应激是一种机体内部的化学反应失衡状态,可造成动物肝脏损伤和肝功能障碍,严重危害畜禽健康及生产,给养殖业发展带来不利影响[2⁃3]。为减少氧化应激对肉鸡造成的负面影响,寻找缓解氧化应激的方法显得尤为重要。花青素(Anthocyanin)是广泛存在于植物中的水溶性黄酮类色素,也是一种强效的天然抗氧化剂,凭借其卓越的抗氧化性能成为饲料添加剂领域抗生素替代研究关注的焦点[4⁃5]。邢玉娟等[6]研究表明,饲粮中添加15 mg·kg-1的低聚原花青素,可显著提高肉鸡血浆中的谷胱甘肽过氧化物酶(GSH-Px)、超氧化物歧化酶(SOD)及总抗氧化能力(T-AOC)水平,提升肉鸡抗氧化性能。Fang等[7]给热应激文昌鸡不同剂量的紫薯花青素(PSPA)处理,发现PSPA处理通过改善血清和肝抗氧化指标(GSH-Px、SOD)和降低丙二醛(MDA)水平显著增强了肝的氧化还原状态。岭南黄鸡日粮中添加100 mg·kg-1越橘花青素可缓解沙门氏菌引发的体重减轻,减少肝和脾中的沙门菌数量,降低肠道中变形菌门和拟杆菌门的丰度,增加厚壁菌门的丰度,调节绒毛高度、隐窝深度,恢复肠道形态,便于营养物质的吸收和利用,建立肠道屏障[8]。Islam等[9]研究发现,与正常饮食相比,饲料中加入富含花青素的野生蓝莓果渣后,肉鸡肠道中的乳酸杆菌、拟杆菌和双歧杆菌增加,而大肠杆菌、梭状芽孢杆菌、幽门螺杆菌和肠球菌减少。红象草(Pennisetum purpureum Schumab cv. Red)是禾本科狼尾草属牧草品种,富含花色苷且其生长迅速,再生能力强,产量高,是非常有潜力的花青素来源[10]。目前,关于红象草花青素的研究较少,本课题组前期对其花青素的提取方法做了相关研究,但作为饲料添加剂对肉鸡的影响尚未有相关研究报道。本研究旨在探究红象草花青素对白羽肉鸡生长性能、抗氧化能力以及盲肠微生物的影响,为红象草花青素在白羽肉鸡的营养调控、减小氧化应激这些实际生产的应用提供理论依据和技术支持。
白羽肉鸡:1日龄圣泽“901”白羽肉鸡公雏购自圣农集团。
红象草花青素:使用本实验室优化过的超声辅助提取工艺制备红象草花青素提取液,所得提取液中花青素含量为2.09 mg·g-1,低温保存备用[11]。
紫薯花青素:购自青岛鹏远康华天然产物有限公司,总花色苷(以矢车菊-3-葡萄糖苷计)≥0.7%。
本试验选取210只健康、体重为(30.27±2.26) g的1日龄白羽肉鸡公雏,随机分为5组,每组6个重复,每个重复7只鸡,各组饲喂基础日粮。空白对照组饮用正常水(无添加);试验1组、2组、3组饮水中添加红象草花青素,添加剂量分别为50、100和200 mg·kg-1,于每日清晨固定时间均匀稀释至饮水中,全天自由饮用;试验4组饮水中添加100 mg·kg-1紫薯花青素(添加方法同红象草花青素),作为阳性对照。试验期42 d。在肉鸡饲养第21天和第42天时,每个重复随机挑选2只体重相近的白羽肉鸡进行屠宰取样。动物试验伦理批准编号:202207FJ005,审批机构:福建省农业科学院畜牧兽医研究所。
本试验基础日粮参照中国鸡饲养标准(NY/T 33—2004)和《中国饲料成分及营养价值表》(2022年第33版)进行配制。试验所用基础日粮组成和营养水平如表1所示。日粮中粗蛋白质、钙的含量分别参照GB/T 6432—2018、GB/T 6436—2018中的方法测定,氨基酸含量参照GB/T 18246—2000中的方法测定;非植酸磷含量=总磷含量-植酸磷含量,其中总磷含量参照GB/T 6437—2018中的方法测定,植酸磷含量测定方法参考《饲料分析及饲料质量检测技术》[12]。
试验在福建省农科院动物饲养试验场开展。试验开始前,对鸡舍及其所有用品进行彻底清洁及熏蒸消毒。试验采用密闭鸡舍单层笼养方式,自由采食、充足饮水。参照白羽肉鸡饲养管理手册进行日常管理和免疫。每日记录各组鸡只的死亡和死淘数量、鸡舍温湿度、饲料消化情况等。所有试验程序均经福建省农业科学院畜牧兽医研究所动物伦理委员会批准。
以重复为单位,对每笼1日龄、21日龄和42日龄的肉鸡进行称重记录,每日记录每笼投喂量和剩余料量,计算平均日增重、平均日采食量和料重比(日采食量/日体增重)。
在试验第21天和第42天,从各组每个重复中随机选取两只健康、体重相近的白羽肉鸡(提前12 h禁食),进行翅静脉采血,离心收集血清,保存于-20 ℃待测。将采血后鸡只进行放血和屠宰,取盲肠内容物和肝脏组织,保存于-80 ℃待测。每个重复两只鸡的样品分别进行指标检测与分析。
测定血清和肝样品的T-AOC(A015-3-1)、过氧化氢酶(CAT,A007-1-1)、还原型谷胱甘肽(GSH,A006-2-1)、GSH-Px(A005-1-2)、MDA(A003-1-2)和SOD(A001-3-2)水平。所用检测试剂盒均购自南京建成生物工程研究所。
采用TRIzol法提取肝组织总RNA,并测定其浓度与纯度,使用TransScript One-Step gDNA Removal and cDNA Synthesis SuperMix试剂盒(南京诺唯赞生物科技股份有限公司)反转录制备cDNA,使用PerfectStart Green qPCR SuperMix试剂盒(南京诺唯赞生物科技股份有限公司)配制qPCR反应体系,并在Roche LightCycler 96 RT-qPCR仪(Roche公司,美国)上完成扩增反应。以β⁃actin作为内参基因,采用2-ΔΔCT方法计算目的基因的mRNA相对表达量[13]。引物通过NCBI在线设计,并交由福州尚亚生物公司合成。引物信息见表2。
盲肠内容物样品的微生物基因测序委托上海凌恩生物科技有限公司进行:提取样品总DNA并测定其浓度和纯度,对基因16S rRNA V1-V9区进行PCR扩增,采用PacBio sequel IIe平台对PCR产物进行高通量测序。
采用SPSS 20.0软件对试验数据进行单因素方差分析,采用Tukey法进行多重比较,结果数据以“平均值±标准差”表示,P≤0.05为差异显著。RT-qPCR数据的分析结果使用GraphPad Prism 10软件作图。
使用UPARSE(7.1 版,http://drive5.com/uparse/)将OTU(Operational Taxonomic Units)按照98.65%的相似性阈值聚类,并使用UCHIME鉴定并去除嵌合序列。RDP Classifier(http://rdp.cme.msu.edu/)针对Silva(SSU132)16S rRNA 数据库,使用70%的置信度阈值分析每个16S rRNA基因序列的系统发育关系。利用RDP classifier(http://rdp.cme.msu.edu/,version 2.2)对每条序列进行物种分类注释,比对Silva 16S rRNA数据库(v138),设置比对阈值为80%。使用Qiime软件、R软件(Version 4.0.2)和LEfSe软件进行Alpha多样性、Beta多样性和LEfSe计算分析指数。
由表2可知,在1~21 d、21~42 d和1~42 d时,各组间平均日增重、平均日采食量和料重比均无显著性差异(P>0.05)。
由表4可知,添加花青素对21日龄肉鸡血清T-AOC、MDA含量和GSH-Px活性有显著影响,而对CAT、GSH和SOD活性没有显著影响;对42日龄肉鸡血清SOD活性有显著影响,对其余指标水平没有显著影响。21日龄鸡只中,试验2、4组的血清MDA含量显著低于对照组(P<0.05),且试验2组显著低于试验4组(P<0.05);试验2、3组的血清GSH-Px含量显著高于对照组(P<0.05),且试验3组显著高于试验4组(P<0.05)。42日龄鸡只中,试验1、2组的血清SOD含量显著高于对照组(P<0.05),且试验1组显著高于试验4组(P<0.05)。
由表5可知,添加花青素对21日龄肉鸡肝CAT、GSH、MDA含量及SOD和GSH-Px的活性均有显著影响,而对T-AOC水平无显著影响;对42日龄肉鸡肝的T-AOC、GSH、SOD及GSH-Px水平均有显著影响,而对CAT和MDA含量无显著影响。21日龄鸡只中,试验2、3、4组的肝脏MDA含量显著低于对照组(P<0.05),试验1组的肝脏CAT、试验2组的肝CAT、GSH、SOD及试验4组的CAT、GSH含量均显著高于对照组(P<0.05);42日龄鸡只中,试验1组的肝SOD、试验2组的GSH、GSH-Px及试验4组的T-AOC、SOD、GSH-Px含量均显著高于对照组(P<0.05)。
添加花青素对21日龄肉鸡肝中GPX1、SOD1、SOD2、HO-1的mRNA相对表达量有显著影响;其中,试验1、2、3组肝中GPX1的mRNA相对表达量显著高于对照组(P>0.05),且试验1、2组显著高于试验4组(P>0.05);4个试验组的SOD1和SOD2的mRNA相对表达量均显著高于对照组(P>0.05),且试验1、2组显著高于试验4组(P>0.05);试验1、4组HO-1的mRNA相对表达量显著高于对照组和试验2、3组(P>0.05,图1)。
添加花青素对42日龄肉鸡肝中NQO1、GPX1、SOD1、SOD2、Nrf2、HO-1的mRNA相对表达量有显著影响;其中,试验1、2、3组肝中NQO1和SOD1的mRNA相对表达量显著高于对照组和试验4组(P<0.05);试验1、2、3组GPX1的mRNA相对表达量显著高于对照组(P<0.05),且试验1、2组显著高于试验4组(P<0.05);试验1、2组SOD2的mRNA相对表达量显著高于对照组和试验3、4组(P<0.05);试验1组HO-1的mRNA相对表达量显著高于其他4组(P<0.05)(图2)。
如图3A-1、A-2所示,随着样本量的增加,稀释曲线趋向平坦,说明测序数据量渐进合理,测序数据深度足以体现样本内微生物的多样性。
在21日龄肉鸡盲肠样本中,将序列相似水平为97% 的OTUs进行聚类后,成功识别出5 508个OTUs,其中5个处理组共有的OTUs有1 564个,对照组及试验1、2、3、4组特有的OTUs数量分别为660、44、145、59和230个(图3B-1)。同法,在42日龄肉鸡盲肠样本中成功识别出5 602个OTUs,其中5个处理组共有的OTUs有1 495个,对照组及试验1、2、3、4组特有的OTUs数量分别为63、44、81、103和102个(图3B-2)。
由表6可知,添加花青素对21日龄肉鸡盲肠微生物的观测物种(Observed_species)、香浓(Shannon)指数、辛普森(Simpson)指数、Pielou均匀度(Pielou_J)指数、谱系多样性(Pd_faith)有显著影响,对Chao 1指数和ACE指数无显著影响。但与对照组相比,4个试验组的Pielou_J指数均无显著差异(P>0.05),Pd_faith均显著降低(P<0.05);试验1、4组的Observed_species显著降低(P<0.05);试验4组的Shannon指数和Simpson指数均显著降低(P<0.05)。
添加花青素对42日龄肉鸡盲肠微生物的Observed_species、Chao 1指数和ACE指数均有显著影响,而对Shannon指数、Simpson指数、Pielou_J指数及Pd_faith均无显著影响。但与对照组相比,4个试验组的Alpha多样性指数均无显著差异(P>0.05)。
21日龄和42日龄白羽肉鸡盲肠微生物物种组成分析结果如图4和表7所示。
在门水平上,厚壁菌门(Firmicutes)、拟杆菌门(Bacteroidetes)和变形菌门(Proteobacteria)的相对丰度总占比超过99%,Firmicutes为各组中的优势菌门,其次为Bacteroidetes。添加花青素对21日龄肉鸡盲肠中的Firmicutes和Bacteroidetes两个菌门有显著影响;与对照相比,试验3组Firmicutes的相对丰度显著降低(P<0.05),Bacteroidetes的相对丰度显著提高(P<0.05);42日龄样本中,各组在门水平上的相对丰度均无显著差异(P>0.05)。
属水平上,主要分析各组相对丰度Top10的菌属。21日龄样本中,链球菌属(Streptococcus)和拟杆菌属(Bacteroides)为优势菌属,其次为蓝绿藻菌属(Lachnoclostridium)、粪球菌属(Coprococcus)、瘤胃球菌属(Ruminococcus)、布劳特氏菌属(Blautia)、艾森伯格菌属(Eisenbergiella)、龙包茨氏菌属(Romboutsia)、阴性杆菌属(Negativibacillus)和大肠杆菌属(Colidextribacter),添加花青素对Streptococcus、Bacteroides、Romboutsia和Colidextribacter的相对丰度有显著影响;与对照组相比,试验3组的Bacteroides相对丰度显著提高(P<0.05),Romboutsia相对丰度显著降低(P<0.05)。42日龄样本中,巴恩斯氏菌属(Barnesiella)和Lachnoclostridium为优势菌属,其次为栖粪杆菌属(Faecalibacterium)、Colidextribacter、Blautia、乳杆菌属(Lactobacillus)、幼婴粪杆菌属(Coprobacter)、Streptococcus、宿主关联乳杆菌属(Ligilactobacillus)和Eisenbergiella,添加花青素对Lactobacillus、Streptococcus和Eisenbergiella的相对丰度有显著影响;与对照组相比,试验1、3组的Colidextribacter相对丰度显著提高(P<0.05),且试验1组的Lactobacillus相对丰度也显著提高(P<0.05),试验1、2、4组的Eisenbergiella相对丰度均显著降低(P<0.05)。
红象草花青素对肉鸡肠道微生物Beta多样性的影响见图5。
由图5A可知,21日龄样本差异的贡献值第一主成分(PC1)和第二主成分(PC2)分别为26%和9%;非参数多元方差分析(PERMANOVA)的检验结果R2 =0.2777,P值为0.002;试验3、4组第一主成分多样性距离显著低于对照组(P<0.05),试验1、2、3组第二主成分多样性距离显著低于对照组和试验4组(P<0.05)。各组微生物组成坐标点分布,试验1、2、3组的坐标点分布距离较接近,其中试验1组主要分布在第三象限,试验2组主要分布在第三象限和第四象限纵坐标两侧,试验3组主要分布在第四象限;对照组和试验4组坐标点分布距离较远,对照组主要分布在第二象限,试验4组主要分布在第一象限。
由图5B可知,42日龄样本差异的贡献值PC1和PC2分别为20%和9%;PERMANOVA的检验结果R2 =0.2413,P值为0.001;试验1、2、3组第一主成分多样性距离显著高于试验4组(P<0.05),但与对照组无显著差异(P>0.05);试验1组第二主成分多样性距离显著低于试验4组(P<0.05),但与对照组无显著差异(P>0.05)。各组微生物组成坐标点分布,对照组、试验1、3组坐标点分布距离较接近,其中对照组和试验1组主要分布在第三和第四象限纵坐标两侧,试验3组主要分布在第三象限;试验2、3组坐标点分布距离较远,试验2组主要分布在第二象限,试验4组主要分布在第一象限。
如图6A所示,21日龄样本中,各组间线性判别分析(LDA)分数>4的生物标志物总计有18种,其中对照组的生物标志物是Firmicutes和Proteobacteria,试验1组的生物标志物是Lachnoclostridium和真细菌目,试验2组的生物标志物是罕见小球菌属(Subdoligranulum)和巴恩斯氏菌科(Barnesiellaceae),试验3组的生物标志物是Bacteroidetes,试验Ⅳ组的生物标志物是Bacteria和消化链球菌科(Peptostreptococcaceae)。
如图6B所示,42日龄时,各组间LDA评分>4的生物标志物共有7个,Eisenbergiella是对照组的生物标志物,Colidextribacter和Coprobacter是试验Ⅲ组的生物标志物,Streptococcus、Peptostreptococcaceae和Romboutsia是试验Ⅳ组的生物标志物。
花青素作为植物源性饲料添加剂,在促进动物健康方面具有积极作用,这种作用更多地体现在对动物血清生化指标水平的调节和改善,而对动物生长性能的影响则相对有限。本研究中,红象草花青素的添加并未显著提高白羽肉鸡的平均日增重、平均日采食量和料重比等生长性能指标。Wang等[14]发现,添加越橘花青素对肉鸡日增重、采食量和料重比均无显著性影响。Farahat等[15]发现,日粮中添加不同浓度的富含花青素的葡萄籽提取物对肉鸡生长性能也无显著性影响。这些与本研究结果相似。可能是因为花青素的添加量未达到能使动物生长性能发生显著变化的水平。尽管如此,花青素在调节生理代谢和增强健康方面的潜在作用仍值得进一步研究。如花青素能够降低血清中的胆固醇和甘油三酯水平,这有助于改善肉鸡的脂质代谢;花青素还可能通过其抗氧化特性,对肉鸡的免疫功能产生正面效应[16⁃18]。同时,这反映了在肉鸡生产中,营养管理、遗传选择和健康维护等多个因素共同影响着生长性能,而单一添加剂的直接作用可能有限[19]。
氧化应激是家禽在养殖过程中因饲养环境温度骤变、饲料变化、病原微生物侵害等因素影响而使机体内自由基产生过多,导致体内氧化与抗氧化作用失衡的一种状态,给动物的生理机能带来不可忽略的损伤[20⁃21]。这种情况下,动物机体的抗氧化能力明显降低,生理生化上表现为ROS、MDA等氧化应激指标水平的明显升高和SOD、CAT以及GSH-Px等抗氧化酶活性的下降。花青素是强效的天然抗氧化剂,能够中和自由基,增强抗氧化酶活性,维持细胞的正常功能,减少细胞和组织的氧化损伤,从而改善机体抗氧化功能[19, 22]。Wang等[23]研究表明,日粮中添加花青素可以提高黄羽肉鸡血清T-AOC水平,增加肝SOD和GSH-Px活性,降低MDA含量,减轻脂多糖诱导的氧化损伤。AMER等[24]研究发现,日粮中添加100~400 mg·kg-1玫瑰茄花青素可增加肉鸡血清T-AOC和SOD活性,并降低MDA含量。本研究中,添加50 mg·kg-1红象草花青素可以显著增加42日龄白羽肉鸡血清和肝SOD活性;添加100 mg·kg-1和200 mg·kg-1红象草花青素可以降低21日龄白羽肉鸡的血清的MDA水平,显著增加GSH-Px活性;此外100 mg·kg-1红象草花青素还可以显著增加SOD和GSH水平。因此,红象草花青素可通过提高相关抗氧化酶和标志物的水平,提高白羽肉鸡的抗氧化能力。
为进一步探究红象草花青素抗氧化的作用机制,本研究基于Keap1-Nrf2/ARE信号通路分析了红象草花青素对白羽肉鸡肝脏中氧化应激反应因子基因表达量的影响。Keap1-Nrf2/ARE信号通路是细胞维持氧化还原平衡和防御氧化应激的重要机制[25]。正常状态下,Keap1与转录因子Nrf2结合并将其束缚于细胞质中,以便Nrf2被蛋白酶体降解;当氧化应激发生时,ROS修饰导致Keap1构象改变,无法有效结合Nrf2,阻断其泛素化降解,Nrf2在胞浆中积累,并进一步转运至细胞核,与抗氧化反应元件(ARE)结合,启动下游抗氧化酶基因的转录[26⁃28]。本研究中,添加红象草花青素使21日龄和42日龄白羽肉鸡肝中GPX1、SOD1、SOD2及HO-1的mRNA相对表达量显著升高,42日龄肝中NQO1的mRNA相对表达量显著升高,说明红象草花青素能够通过上调抗氧化基因的转录水平来提高相应的抗氧化酶活性,提示红象草花青素的抗氧化作用途径可能与激活Keap1-Nrf2/ARE信号通路有关,但其具体的调控机制有待更深入的研究。
肉鸡胃肠道的微生物组已被广泛研究,并已充分证明它对宿主的健康起着重要作用[29]。本试验结果表明,红象草花青素对白羽肉鸡盲肠微生物的Alpha多样性无显著影响。但Beta多样性分析发现,添加红象草花青素使21日龄白羽肉鸡微生物的相对丰度发生显著变化,说明红象草花青素在一定程度上改变了白羽肉鸡生长前期盲肠微生物的结构。物种组成分析结果显示,白羽肉鸡盲肠微生物的优势菌门主要是Firmicutes、Bacteroidetes和Proteobacteria,其中Firmicutes和Bacteroidetes相关菌属分别在短链脂肪酸生成和多糖降解方面发挥各自优势,可为肠道细胞提供能量和营养物质。对于21日龄肉鸡,添加200 mg·kg-1红象草花青素显著降低了Firmicutes的相对丰度但显著提高了Bacteroidetes的相对丰度;从属水平来看,这主要与该红象草花青素浓度下Streptococcus的减少和Bacteroides的增加有关。相比之下,42日龄肉鸡盲肠中优势菌门的相对丰度无明显变化。从属水平来看,42日龄肉鸡盲肠中优势菌属为Barnesiella,添加红象草花青素使Barnesiella水平较对照组发生了波动但差异不显著。Peng等[30]在向小鼠饲喂枸杞花青素后,肠道中的优势菌属为Barnesiella,这与本研究的发现相符。另外,42日龄白羽肉鸡盲肠中检测出了Lactobacillus、Coprobacter等益生菌菌属,而21日龄时并未检出,这可能是因为随着肠道的发育成熟,肠道环境变得更加稳定,更有利于这些菌属的生长。其中50 mg·kg-1红象草花青素组Lactobacillus的相对丰度显著高于对照组,说明一定添加量的红象草花青素能促进肠道益生菌生长。Hidalgo等[31]的研究也表明,花青素可以显著促进乳酸杆菌属的生长,产生短链脂肪酸,维护机体健康。综上,添加红象草花青素可以不同程度地影响白羽肉鸡盲肠微生物的组成,改善菌群结构,对白羽肉鸡维持机体健康、抵抗氧化应激具有一定的促进作用。
红象草花青素(50~200 mg·kg-1)未显著改变白羽肉鸡生长性能,但能通过上调肝抗氧化因子mRNA表达,提高血清抗氧化酶水平并降低氧化损伤标志物含量,显著增强其抗氧化能力,其中50、100 mg·kg-1剂量的抗氧化提升效果优于200 mg·kg-1。该物质还能调节肉鸡肠道微生物多样性,改善菌群结构;在肉鸡生长前期主要对肠道微生物的多样性影响更显著,后期主要促进有益菌生长。
  • 国家自然科学基金(32302791)
  • 国家自然科学基金项目延伸研究项目(GJYS202406)
  • 福建省人民政府中国农业科学院农业高质量发展超越“5511”协同创新工程项目(XTCXGC2021019)
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2026年第57卷第2期
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doi: 10.11843/j.issn.0366-6964.2026.02.027
  • 接收时间:2025-02-27
  • 首发时间:2026-09-16
  • 出版时间:2026-02-23
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  • 收稿日期:2025-02-27
基金
国家自然科学基金(32302791)
国家自然科学基金项目延伸研究项目(GJYS202406)
福建省人民政府中国农业科学院农业高质量发展超越“5511”协同创新工程项目(XTCXGC2021019)
作者信息
    1.福建省农业科学院畜牧兽医研究所/福建省畜禽遗传育种重点实验室,福州 350013
    2.福建农林大学动物科学学院,福州 350002

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陈鑫珠,主要从事动物营养与饲料资源的开发利用研究,E-mail:
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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